./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/cut-3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/cut-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya --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 acfe637d8173d077e02b78ce91ba4a7c6687b6a4bde786279a65675146edec40 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:08:48,979 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:08:49,044 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 01:08:49,048 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:08:49,049 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:08:49,074 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:08:49,074 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:08:49,075 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:08:49,076 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:08:49,076 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:08:49,077 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:08:49,077 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:08:49,078 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:08:49,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:08:49,079 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:08:49,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:08:49,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:08:49,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:08:49,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:08:49,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:08:49,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:08:49,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:08:49,085 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 01:08:49,086 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 01:08:49,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:08:49,087 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:08:49,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:08:49,087 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:08:49,088 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:08:49,088 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:08:49,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:08:49,089 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:08:49,089 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:08:49,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:08:49,090 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:08:49,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:08:49,090 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:08:49,090 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:08:49,090 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:08:49,091 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:08:49,091 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:08:49,091 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_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acfe637d8173d077e02b78ce91ba4a7c6687b6a4bde786279a65675146edec40 [2023-11-29 01:08:49,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:08:49,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:08:49,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:08:49,332 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:08:49,332 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:08:49,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/busybox-1.22.0/cut-3.i [2023-11-29 01:08:52,093 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:08:52,435 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:08:52,436 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/sv-benchmarks/c/busybox-1.22.0/cut-3.i [2023-11-29 01:08:52,465 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/data/b190fa2ce/15e933ac12cd4bb4ba8cba41f2705ba1/FLAG97afef57a [2023-11-29 01:08:52,480 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/data/b190fa2ce/15e933ac12cd4bb4ba8cba41f2705ba1 [2023-11-29 01:08:52,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:08:52,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:08:52,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:08:52,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:08:52,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:08:52,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:08:52" (1/1) ... [2023-11-29 01:08:52,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3640caf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:52, skipping insertion in model container [2023-11-29 01:08:52,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:08:52" (1/1) ... [2023-11-29 01:08:52,574 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:08:53,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:08:53,951 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:08:54,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:08:54,279 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:08:54,279 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:08:54,279 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:08:54,279 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:08:54,279 WARN L675 CHandler]: The function ferror is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:08:54,280 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:08:54,280 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:08:54,280 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:08:54,280 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:08:54,280 WARN L675 CHandler]: The function strtok is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:08:54,280 WARN L675 CHandler]: The function fgetc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:08:54,286 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:08:54,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:54 WrapperNode [2023-11-29 01:08:54,287 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:08:54,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:08:54,288 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:08:54,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:08:54,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:54" (1/1) ... [2023-11-29 01:08:54,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:54" (1/1) ... [2023-11-29 01:08:54,440 INFO L138 Inliner]: procedures = 581, calls = 575, calls flagged for inlining = 30, calls inlined = 28, statements flattened = 2211 [2023-11-29 01:08:54,440 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:08:54,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:08:54,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:08:54,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:08:54,450 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:54" (1/1) ... [2023-11-29 01:08:54,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:54" (1/1) ... [2023-11-29 01:08:54,464 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:54" (1/1) ... [2023-11-29 01:08:54,580 INFO L175 MemorySlicer]: Split 394 memory accesses to 22 slices as follows [2, 57, 6, 6, 3, 8, 7, 2, 124, 18, 3, 2, 11, 3, 16, 44, 17, 1, 40, 3, 1, 20]. 31 percent of accesses are in the largest equivalence class. The 115 initializations are split as follows [2, 20, 0, 4, 3, 0, 0, 0, 52, 0, 0, 2, 1, 0, 16, 0, 4, 0, 11, 0, 0, 0]. The 91 writes are split as follows [0, 23, 2, 2, 0, 8, 4, 1, 21, 4, 0, 0, 5, 0, 0, 12, 4, 1, 0, 0, 1, 3]. [2023-11-29 01:08:54,580 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:54" (1/1) ... [2023-11-29 01:08:54,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:54" (1/1) ... [2023-11-29 01:08:54,644 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:54" (1/1) ... [2023-11-29 01:08:54,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:54" (1/1) ... [2023-11-29 01:08:54,702 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:54" (1/1) ... [2023-11-29 01:08:54,717 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:54" (1/1) ... [2023-11-29 01:08:54,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:08:54,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:08:54,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:08:54,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:08:54,748 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:54" (1/1) ... [2023-11-29 01:08:54,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:08:54,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:54,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:08:54,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:08:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-29 01:08:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#0 [2023-11-29 01:08:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#1 [2023-11-29 01:08:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#2 [2023-11-29 01:08:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#3 [2023-11-29 01:08:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#4 [2023-11-29 01:08:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#5 [2023-11-29 01:08:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#6 [2023-11-29 01:08:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#7 [2023-11-29 01:08:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#8 [2023-11-29 01:08:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#9 [2023-11-29 01:08:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#10 [2023-11-29 01:08:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#11 [2023-11-29 01:08:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#12 [2023-11-29 01:08:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#13 [2023-11-29 01:08:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#14 [2023-11-29 01:08:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#15 [2023-11-29 01:08:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#16 [2023-11-29 01:08:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#17 [2023-11-29 01:08:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#18 [2023-11-29 01:08:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#19 [2023-11-29 01:08:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#20 [2023-11-29 01:08:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#21 [2023-11-29 01:08:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#0 [2023-11-29 01:08:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#1 [2023-11-29 01:08:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#2 [2023-11-29 01:08:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#3 [2023-11-29 01:08:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#4 [2023-11-29 01:08:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#5 [2023-11-29 01:08:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#6 [2023-11-29 01:08:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#7 [2023-11-29 01:08:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#8 [2023-11-29 01:08:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#9 [2023-11-29 01:08:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#10 [2023-11-29 01:08:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#11 [2023-11-29 01:08:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#12 [2023-11-29 01:08:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#13 [2023-11-29 01:08:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#14 [2023-11-29 01:08:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#15 [2023-11-29 01:08:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#16 [2023-11-29 01:08:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#17 [2023-11-29 01:08:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#18 [2023-11-29 01:08:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#19 [2023-11-29 01:08:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#20 [2023-11-29 01:08:54,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#21 [2023-11-29 01:08:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure xatoi_positive [2023-11-29 01:08:54,811 INFO L138 BoogieDeclarations]: Found implementation of procedure xatoi_positive [2023-11-29 01:08:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure xrealloc [2023-11-29 01:08:54,811 INFO L138 BoogieDeclarations]: Found implementation of procedure xrealloc [2023-11-29 01:08:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-29 01:08:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:08:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure xzalloc [2023-11-29 01:08:54,811 INFO L138 BoogieDeclarations]: Found implementation of procedure xzalloc [2023-11-29 01:08:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-29 01:08:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-29 01:08:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-29 01:08:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-29 01:08:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-29 01:08:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-29 01:08:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-29 01:08:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-29 01:08:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-29 01:08:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-29 01:08:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-29 01:08:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-29 01:08:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-29 01:08:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-29 01:08:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-29 01:08:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-29 01:08:54,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-29 01:08:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-29 01:08:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2023-11-29 01:08:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2023-11-29 01:08:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2023-11-29 01:08:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2023-11-29 01:08:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-29 01:08:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-29 01:08:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-11-29 01:08:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-29 01:08:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-29 01:08:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-29 01:08:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-29 01:08:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-29 01:08:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-29 01:08:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-29 01:08:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-29 01:08:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-29 01:08:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-29 01:08:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-29 01:08:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-29 01:08:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-29 01:08:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-29 01:08:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-29 01:08:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-29 01:08:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-29 01:08:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-29 01:08:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2023-11-29 01:08:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2023-11-29 01:08:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2023-11-29 01:08:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2023-11-29 01:08:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 01:08:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 01:08:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 01:08:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 01:08:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 01:08:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 01:08:54,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 01:08:54,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 01:08:54,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-29 01:08:54,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-29 01:08:54,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-29 01:08:54,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-29 01:08:54,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-29 01:08:54,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-29 01:08:54,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-29 01:08:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-29 01:08:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-29 01:08:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-29 01:08:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-29 01:08:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-29 01:08:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-29 01:08:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-29 01:08:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 01:08:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-29 01:08:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-29 01:08:54,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:08:54,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 01:08:54,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 01:08:54,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 01:08:54,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 01:08:54,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 01:08:54,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 01:08:54,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 01:08:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 01:08:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 01:08:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 01:08:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-29 01:08:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-29 01:08:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-29 01:08:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-29 01:08:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-29 01:08:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-29 01:08:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-29 01:08:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-29 01:08:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-29 01:08:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-29 01:08:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-29 01:08:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-29 01:08:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:08:54,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:08:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2023-11-29 01:08:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2023-11-29 01:08:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2023-11-29 01:08:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2023-11-29 01:08:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2023-11-29 01:08:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2023-11-29 01:08:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2023-11-29 01:08:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2023-11-29 01:08:54,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2023-11-29 01:08:54,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2023-11-29 01:08:54,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2023-11-29 01:08:54,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2023-11-29 01:08:54,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2023-11-29 01:08:54,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2023-11-29 01:08:54,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2023-11-29 01:08:54,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2023-11-29 01:08:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2023-11-29 01:08:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2023-11-29 01:08:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2023-11-29 01:08:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2023-11-29 01:08:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2023-11-29 01:08:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#21 [2023-11-29 01:08:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2023-11-29 01:08:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2023-11-29 01:08:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2023-11-29 01:08:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2023-11-29 01:08:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2023-11-29 01:08:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2023-11-29 01:08:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2023-11-29 01:08:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2023-11-29 01:08:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2023-11-29 01:08:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2023-11-29 01:08:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2023-11-29 01:08:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2023-11-29 01:08:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2023-11-29 01:08:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2023-11-29 01:08:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2023-11-29 01:08:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2023-11-29 01:08:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2023-11-29 01:08:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2023-11-29 01:08:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2023-11-29 01:08:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2023-11-29 01:08:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2023-11-29 01:08:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#21 [2023-11-29 01:08:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-29 01:08:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-29 01:08:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-29 01:08:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-29 01:08:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-29 01:08:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-29 01:08:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-29 01:08:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-29 01:08:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-29 01:08:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-29 01:08:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-29 01:08:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-29 01:08:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-29 01:08:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-29 01:08:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-29 01:08:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-29 01:08:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-29 01:08:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-29 01:08:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-29 01:08:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-29 01:08:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-29 01:08:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2023-11-29 01:08:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2023-11-29 01:08:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2023-11-29 01:08:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-29 01:08:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-29 01:08:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-29 01:08:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-29 01:08:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-29 01:08:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-29 01:08:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-29 01:08:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-29 01:08:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-29 01:08:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-29 01:08:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-29 01:08:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-29 01:08:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-29 01:08:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-29 01:08:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-29 01:08:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-29 01:08:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-29 01:08:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-29 01:08:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-29 01:08:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2023-11-29 01:08:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2023-11-29 01:08:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2023-11-29 01:08:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2023-11-29 01:08:54,833 INFO L138 BoogieDeclarations]: Found implementation of procedure strsep [2023-11-29 01:08:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-29 01:08:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-29 01:08:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-29 01:08:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-29 01:08:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-29 01:08:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-29 01:08:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-29 01:08:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-29 01:08:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-29 01:08:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-29 01:08:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-29 01:08:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-29 01:08:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-29 01:08:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-29 01:08:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-29 01:08:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-29 01:08:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-29 01:08:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2023-11-29 01:08:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2023-11-29 01:08:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2023-11-29 01:08:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2023-11-29 01:08:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2023-11-29 01:08:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2023-11-29 01:08:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-29 01:08:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-29 01:08:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-29 01:08:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-29 01:08:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-29 01:08:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-29 01:08:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-29 01:08:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-29 01:08:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-29 01:08:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-29 01:08:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-29 01:08:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-29 01:08:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-29 01:08:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-29 01:08:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-29 01:08:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-29 01:08:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2023-11-29 01:08:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2023-11-29 01:08:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2023-11-29 01:08:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2023-11-29 01:08:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2023-11-29 01:08:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2023-11-29 01:08:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 01:08:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 01:08:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:08:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 01:08:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 01:08:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 01:08:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 01:08:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 01:08:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 01:08:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 01:08:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 01:08:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 01:08:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 01:08:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-29 01:08:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-29 01:08:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-29 01:08:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-29 01:08:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-29 01:08:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-29 01:08:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-29 01:08:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-29 01:08:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-29 01:08:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-29 01:08:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-29 01:08:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-29 01:08:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-11-29 01:08:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 01:08:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 01:08:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 01:08:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 01:08:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 01:08:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 01:08:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 01:08:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 01:08:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 01:08:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 01:08:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-29 01:08:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-29 01:08:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-29 01:08:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-29 01:08:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-29 01:08:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-29 01:08:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-29 01:08:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-29 01:08:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-29 01:08:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-29 01:08:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-29 01:08:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-29 01:08:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2023-11-29 01:08:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 01:08:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 01:08:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 01:08:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 01:08:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 01:08:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 01:08:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 01:08:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 01:08:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-29 01:08:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-29 01:08:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-29 01:08:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-29 01:08:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-29 01:08:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-29 01:08:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-29 01:08:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-29 01:08:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-29 01:08:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-29 01:08:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-29 01:08:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-29 01:08:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-29 01:08:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-29 01:08:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-29 01:08:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtok [2023-11-29 01:08:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-29 01:08:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-29 01:08:54,844 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-29 01:08:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:08:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 01:08:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 01:08:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 01:08:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 01:08:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 01:08:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 01:08:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 01:08:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-29 01:08:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-29 01:08:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-29 01:08:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-29 01:08:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-29 01:08:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-29 01:08:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-29 01:08:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-29 01:08:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-29 01:08:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-29 01:08:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-29 01:08:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-29 01:08:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-29 01:08:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-29 01:08:55,459 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:08:55,463 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:08:57,547 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:08:57,637 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:08:57,637 INFO L309 CfgBuilder]: Removed 56 assume(true) statements. [2023-11-29 01:08:57,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:08:57 BoogieIcfgContainer [2023-11-29 01:08:57,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:08:57,641 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:08:57,641 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:08:57,643 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:08:57,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:08:52" (1/3) ... [2023-11-29 01:08:57,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cce640b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:08:57, skipping insertion in model container [2023-11-29 01:08:57,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:08:54" (2/3) ... [2023-11-29 01:08:57,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cce640b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:08:57, skipping insertion in model container [2023-11-29 01:08:57,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:08:57" (3/3) ... [2023-11-29 01:08:57,646 INFO L112 eAbstractionObserver]: Analyzing ICFG cut-3.i [2023-11-29 01:08:57,661 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:08:57,662 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 89 error locations. [2023-11-29 01:08:57,721 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:08:57,727 INFO L357 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, mHoare=true, 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;@70383260, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:08:57,728 INFO L358 AbstractCegarLoop]: Starting to check reachability of 89 error locations. [2023-11-29 01:08:57,735 INFO L276 IsEmpty]: Start isEmpty. Operand has 662 states, 518 states have (on average 1.7393822393822393) internal successors, (901), 606 states have internal predecessors, (901), 40 states have call successors, (40), 15 states have call predecessors, (40), 15 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 01:08:57,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-29 01:08:57,740 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:08:57,741 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-29 01:08:57,741 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:08:57,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:57,745 INFO L85 PathProgramCache]: Analyzing trace with hash 2744008, now seen corresponding path program 1 times [2023-11-29 01:08:57,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:57,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645726646] [2023-11-29 01:08:57,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:57,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:08:58,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:08:58,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:08:58,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645726646] [2023-11-29 01:08:58,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645726646] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:08:58,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:08:58,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 01:08:58,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890597634] [2023-11-29 01:08:58,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:08:58,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:08:58,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:08:58,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:08:58,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:08:58,190 INFO L87 Difference]: Start difference. First operand has 662 states, 518 states have (on average 1.7393822393822393) internal successors, (901), 606 states have internal predecessors, (901), 40 states have call successors, (40), 15 states have call predecessors, (40), 15 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:08:58,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:08:58,391 INFO L93 Difference]: Finished difference Result 1312 states and 1972 transitions. [2023-11-29 01:08:58,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:08:58,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2023-11-29 01:08:58,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:08:58,409 INFO L225 Difference]: With dead ends: 1312 [2023-11-29 01:08:58,409 INFO L226 Difference]: Without dead ends: 651 [2023-11-29 01:08:58,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:08:58,420 INFO L413 NwaCegarLoop]: 871 mSDtfsCounter, 1 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1738 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:08:58,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1738 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:08:58,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2023-11-29 01:08:58,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 651. [2023-11-29 01:08:58,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 508 states have (on average 1.6594488188976377) internal successors, (843), 606 states have internal predecessors, (843), 40 states have call successors, (40), 15 states have call predecessors, (40), 14 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-29 01:08:58,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 912 transitions. [2023-11-29 01:08:58,503 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 912 transitions. Word has length 3 [2023-11-29 01:08:58,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:08:58,503 INFO L495 AbstractCegarLoop]: Abstraction has 651 states and 912 transitions. [2023-11-29 01:08:58,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:08:58,504 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 912 transitions. [2023-11-29 01:08:58,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-29 01:08:58,504 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:08:58,504 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2023-11-29 01:08:58,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 01:08:58,505 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:08:58,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:58,505 INFO L85 PathProgramCache]: Analyzing trace with hash 143393288, now seen corresponding path program 1 times [2023-11-29 01:08:58,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:58,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530116835] [2023-11-29 01:08:58,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:58,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:08:58,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:08:58,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:08:58,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530116835] [2023-11-29 01:08:58,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530116835] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:08:58,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966603377] [2023-11-29 01:08:58,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:58,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:08:58,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:08:58,681 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:08:58,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 01:08:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:08:59,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 01:08:59,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:08:59,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:08:59,212 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:08:59,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966603377] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:08:59,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:08:59,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2023-11-29 01:08:59,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609528286] [2023-11-29 01:08:59,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:08:59,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:08:59,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:08:59,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:08:59,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:08:59,215 INFO L87 Difference]: Start difference. First operand 651 states and 912 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-29 01:08:59,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:08:59,381 INFO L93 Difference]: Finished difference Result 651 states and 912 transitions. [2023-11-29 01:08:59,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:08:59,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2023-11-29 01:08:59,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:08:59,386 INFO L225 Difference]: With dead ends: 651 [2023-11-29 01:08:59,386 INFO L226 Difference]: Without dead ends: 650 [2023-11-29 01:08:59,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:08:59,388 INFO L413 NwaCegarLoop]: 866 mSDtfsCounter, 5 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:08:59,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1731 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:08:59,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2023-11-29 01:08:59,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 650. [2023-11-29 01:08:59,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 508 states have (on average 1.6574803149606299) internal successors, (842), 605 states have internal predecessors, (842), 40 states have call successors, (40), 15 states have call predecessors, (40), 14 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-29 01:08:59,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 911 transitions. [2023-11-29 01:08:59,414 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 911 transitions. Word has length 6 [2023-11-29 01:08:59,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:08:59,414 INFO L495 AbstractCegarLoop]: Abstraction has 650 states and 911 transitions. [2023-11-29 01:08:59,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-29 01:08:59,414 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 911 transitions. [2023-11-29 01:08:59,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-29 01:08:59,415 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:08:59,415 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2023-11-29 01:08:59,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:08:59,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:08:59,616 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:08:59,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:59,616 INFO L85 PathProgramCache]: Analyzing trace with hash 150225669, now seen corresponding path program 1 times [2023-11-29 01:08:59,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:59,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748950188] [2023-11-29 01:08:59,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:59,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:08:59,742 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:08:59,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:08:59,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748950188] [2023-11-29 01:08:59,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748950188] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:08:59,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:08:59,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:08:59,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759714071] [2023-11-29 01:08:59,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:08:59,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:08:59,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:08:59,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:08:59,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:08:59,744 INFO L87 Difference]: Start difference. First operand 650 states and 911 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2023-11-29 01:08:59,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:08:59,856 INFO L93 Difference]: Finished difference Result 650 states and 911 transitions. [2023-11-29 01:08:59,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:08:59,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 [2023-11-29 01:08:59,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:08:59,861 INFO L225 Difference]: With dead ends: 650 [2023-11-29 01:08:59,861 INFO L226 Difference]: Without dead ends: 649 [2023-11-29 01:08:59,862 INFO L412 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 [2023-11-29 01:08:59,863 INFO L413 NwaCegarLoop]: 867 mSDtfsCounter, 0 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1732 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:08:59,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1732 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:08:59,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2023-11-29 01:08:59,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 647. [2023-11-29 01:08:59,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 506 states have (on average 1.658102766798419) internal successors, (839), 602 states have internal predecessors, (839), 40 states have call successors, (40), 15 states have call predecessors, (40), 14 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-29 01:08:59,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 908 transitions. [2023-11-29 01:08:59,882 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 908 transitions. Word has length 7 [2023-11-29 01:08:59,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:08:59,883 INFO L495 AbstractCegarLoop]: Abstraction has 647 states and 908 transitions. [2023-11-29 01:08:59,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2023-11-29 01:08:59,883 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 908 transitions. [2023-11-29 01:08:59,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 01:08:59,883 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:08:59,884 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:08:59,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 01:08:59,884 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:08:59,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:08:59,884 INFO L85 PathProgramCache]: Analyzing trace with hash 2094001277, now seen corresponding path program 1 times [2023-11-29 01:08:59,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:08:59,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487284813] [2023-11-29 01:08:59,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:08:59,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:08:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:00,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 01:09:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:00,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:09:00,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:00,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487284813] [2023-11-29 01:09:00,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487284813] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:09:00,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78215277] [2023-11-29 01:09:00,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:00,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:00,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:00,025 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:09:00,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 01:09:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:00,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 01:09:00,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:09:00,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 01:09:00,536 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:09:00,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78215277] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:09:00,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:09:00,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 01:09:00,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592578916] [2023-11-29 01:09:00,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:09:00,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:09:00,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:00,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:09:00,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:09:00,538 INFO L87 Difference]: Start difference. First operand 647 states and 908 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2023-11-29 01:09:00,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:00,658 INFO L93 Difference]: Finished difference Result 647 states and 908 transitions. [2023-11-29 01:09:00,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:09:00,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 12 [2023-11-29 01:09:00,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:00,663 INFO L225 Difference]: With dead ends: 647 [2023-11-29 01:09:00,663 INFO L226 Difference]: Without dead ends: 645 [2023-11-29 01:09:00,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:09:00,664 INFO L413 NwaCegarLoop]: 858 mSDtfsCounter, 636 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:00,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [654 Valid, 1090 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:09:00,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2023-11-29 01:09:00,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 645. [2023-11-29 01:09:00,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 506 states have (on average 1.6541501976284585) internal successors, (837), 600 states have internal predecessors, (837), 40 states have call successors, (40), 15 states have call predecessors, (40), 14 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-29 01:09:00,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 906 transitions. [2023-11-29 01:09:00,684 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 906 transitions. Word has length 12 [2023-11-29 01:09:00,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:00,685 INFO L495 AbstractCegarLoop]: Abstraction has 645 states and 906 transitions. [2023-11-29 01:09:00,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2023-11-29 01:09:00,685 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 906 transitions. [2023-11-29 01:09:00,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-29 01:09:00,686 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:00,686 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:00,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 01:09:00,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:00,886 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:00,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:00,887 INFO L85 PathProgramCache]: Analyzing trace with hash 489531193, now seen corresponding path program 1 times [2023-11-29 01:09:00,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:00,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386750716] [2023-11-29 01:09:00,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:00,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:01,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 01:09:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:01,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:09:01,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:01,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386750716] [2023-11-29 01:09:01,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386750716] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:09:01,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101025223] [2023-11-29 01:09:01,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:01,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:01,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:01,026 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:09:01,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 01:09:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:01,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 01:09:01,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:09:01,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:09:01,520 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:09:01,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:09:01,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101025223] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:09:01,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:09:01,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 7 [2023-11-29 01:09:01,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931835805] [2023-11-29 01:09:01,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:09:01,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:09:01,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:01,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:09:01,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:09:01,579 INFO L87 Difference]: Start difference. First operand 645 states and 906 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:09:01,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:01,730 INFO L93 Difference]: Finished difference Result 1294 states and 1818 transitions. [2023-11-29 01:09:01,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:09:01,731 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2023-11-29 01:09:01,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:01,736 INFO L225 Difference]: With dead ends: 1294 [2023-11-29 01:09:01,736 INFO L226 Difference]: Without dead ends: 654 [2023-11-29 01:09:01,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:09:01,738 INFO L413 NwaCegarLoop]: 865 mSDtfsCounter, 4 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1728 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:01,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1728 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:09:01,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2023-11-29 01:09:01,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 654. [2023-11-29 01:09:01,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 515 states have (on average 1.6427184466019418) internal successors, (846), 609 states have internal predecessors, (846), 40 states have call successors, (40), 15 states have call predecessors, (40), 14 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-29 01:09:01,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 915 transitions. [2023-11-29 01:09:01,764 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 915 transitions. Word has length 13 [2023-11-29 01:09:01,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:01,764 INFO L495 AbstractCegarLoop]: Abstraction has 654 states and 915 transitions. [2023-11-29 01:09:01,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:09:01,764 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 915 transitions. [2023-11-29 01:09:01,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-29 01:09:01,765 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:01,765 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:01,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 01:09:01,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:01,966 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:01,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:01,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1774289529, now seen corresponding path program 2 times [2023-11-29 01:09:01,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:01,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848840437] [2023-11-29 01:09:01,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:01,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:02,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:09:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:02,278 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:09:02,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:02,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848840437] [2023-11-29 01:09:02,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848840437] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:09:02,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066486246] [2023-11-29 01:09:02,279 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:09:02,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:02,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:02,281 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:09:02,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 01:09:02,715 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 01:09:02,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:09:02,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:09:02,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:09:02,772 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 01:09:02,772 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:09:02,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066486246] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:09:02,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:09:02,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2023-11-29 01:09:02,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355405086] [2023-11-29 01:09:02,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:09:02,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:09:02,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:02,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:09:02,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-29 01:09:02,775 INFO L87 Difference]: Start difference. First operand 654 states and 915 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 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) [2023-11-29 01:09:03,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:03,038 INFO L93 Difference]: Finished difference Result 654 states and 915 transitions. [2023-11-29 01:09:03,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:09:03,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 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 22 [2023-11-29 01:09:03,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:03,043 INFO L225 Difference]: With dead ends: 654 [2023-11-29 01:09:03,043 INFO L226 Difference]: Without dead ends: 652 [2023-11-29 01:09:03,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:09:03,044 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 635 mSDsluCounter, 1923 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 2776 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:03,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 2776 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:09:03,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2023-11-29 01:09:03,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 652. [2023-11-29 01:09:03,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 515 states have (on average 1.6388349514563108) internal successors, (844), 607 states have internal predecessors, (844), 40 states have call successors, (40), 15 states have call predecessors, (40), 14 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-29 01:09:03,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 913 transitions. [2023-11-29 01:09:03,071 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 913 transitions. Word has length 22 [2023-11-29 01:09:03,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:03,071 INFO L495 AbstractCegarLoop]: Abstraction has 652 states and 913 transitions. [2023-11-29 01:09:03,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 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) [2023-11-29 01:09:03,071 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 913 transitions. [2023-11-29 01:09:03,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-29 01:09:03,072 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:03,072 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:03,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 01:09:03,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:03,281 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:03,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:03,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1727508426, now seen corresponding path program 1 times [2023-11-29 01:09:03,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:03,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965922865] [2023-11-29 01:09:03,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:03,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:03,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:09:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:03,452 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 01:09:03,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:03,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965922865] [2023-11-29 01:09:03,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965922865] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:09:03,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:09:03,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:09:03,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516752389] [2023-11-29 01:09:03,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:09:03,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:09:03,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:03,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:09:03,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:09:03,454 INFO L87 Difference]: Start difference. First operand 652 states and 913 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-11-29 01:09:03,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:03,580 INFO L93 Difference]: Finished difference Result 1287 states and 1810 transitions. [2023-11-29 01:09:03,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:09:03,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 27 [2023-11-29 01:09:03,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:03,584 INFO L225 Difference]: With dead ends: 1287 [2023-11-29 01:09:03,584 INFO L226 Difference]: Without dead ends: 655 [2023-11-29 01:09:03,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:09:03,586 INFO L413 NwaCegarLoop]: 863 mSDtfsCounter, 1 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1721 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:03,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1721 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:09:03,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2023-11-29 01:09:03,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 655. [2023-11-29 01:09:03,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 518 states have (on average 1.635135135135135) internal successors, (847), 610 states have internal predecessors, (847), 40 states have call successors, (40), 15 states have call predecessors, (40), 14 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-29 01:09:03,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 916 transitions. [2023-11-29 01:09:03,607 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 916 transitions. Word has length 27 [2023-11-29 01:09:03,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:03,608 INFO L495 AbstractCegarLoop]: Abstraction has 655 states and 916 transitions. [2023-11-29 01:09:03,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-11-29 01:09:03,608 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 916 transitions. [2023-11-29 01:09:03,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-29 01:09:03,609 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:03,609 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:03,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 01:09:03,609 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:03,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:03,610 INFO L85 PathProgramCache]: Analyzing trace with hash -2018003732, now seen corresponding path program 1 times [2023-11-29 01:09:03,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:03,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492508466] [2023-11-29 01:09:03,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:03,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:03,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:09:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:03,762 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 01:09:03,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:03,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492508466] [2023-11-29 01:09:03,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492508466] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:09:03,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:09:03,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:09:03,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046215391] [2023-11-29 01:09:03,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:09:03,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:09:03,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:03,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:09:03,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:09:03,764 INFO L87 Difference]: Start difference. First operand 655 states and 916 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-11-29 01:09:03,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:03,902 INFO L93 Difference]: Finished difference Result 900 states and 1286 transitions. [2023-11-29 01:09:03,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:09:03,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 29 [2023-11-29 01:09:03,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:03,908 INFO L225 Difference]: With dead ends: 900 [2023-11-29 01:09:03,908 INFO L226 Difference]: Without dead ends: 898 [2023-11-29 01:09:03,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:09:03,909 INFO L413 NwaCegarLoop]: 858 mSDtfsCounter, 348 mSDsluCounter, 850 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 1708 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:03,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 1708 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:09:03,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2023-11-29 01:09:03,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 659. [2023-11-29 01:09:03,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 522 states have (on average 1.632183908045977) internal successors, (852), 614 states have internal predecessors, (852), 40 states have call successors, (40), 15 states have call predecessors, (40), 14 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-29 01:09:03,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 921 transitions. [2023-11-29 01:09:03,945 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 921 transitions. Word has length 29 [2023-11-29 01:09:03,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:03,945 INFO L495 AbstractCegarLoop]: Abstraction has 659 states and 921 transitions. [2023-11-29 01:09:03,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-11-29 01:09:03,945 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 921 transitions. [2023-11-29 01:09:03,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-29 01:09:03,946 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:03,946 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:03,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 01:09:03,946 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:03,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:03,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1906441640, now seen corresponding path program 1 times [2023-11-29 01:09:03,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:03,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943318196] [2023-11-29 01:09:03,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:03,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:04,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 01:09:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:04,105 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 01:09:04,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:04,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943318196] [2023-11-29 01:09:04,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943318196] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:09:04,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743736415] [2023-11-29 01:09:04,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:04,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:04,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:04,106 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:09:04,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 01:09:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:04,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:09:04,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:09:04,655 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 01:09:04,656 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:09:04,735 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 01:09:04,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743736415] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:09:04,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:09:04,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6, 7] total 14 [2023-11-29 01:09:04,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043186896] [2023-11-29 01:09:04,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:09:04,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 01:09:04,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:04,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 01:09:04,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-29 01:09:04,737 INFO L87 Difference]: Start difference. First operand 659 states and 921 transitions. Second operand has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:09:05,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:05,072 INFO L93 Difference]: Finished difference Result 1321 states and 1851 transitions. [2023-11-29 01:09:05,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 01:09:05,073 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2023-11-29 01:09:05,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:05,077 INFO L225 Difference]: With dead ends: 1321 [2023-11-29 01:09:05,077 INFO L226 Difference]: Without dead ends: 676 [2023-11-29 01:09:05,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-29 01:09:05,079 INFO L413 NwaCegarLoop]: 857 mSDtfsCounter, 7 mSDsluCounter, 4275 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 5132 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:05,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 5132 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:09:05,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2023-11-29 01:09:05,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 676. [2023-11-29 01:09:05,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 540 states have (on average 1.6092592592592592) internal successors, (869), 631 states have internal predecessors, (869), 40 states have call successors, (40), 15 states have call predecessors, (40), 14 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-29 01:09:05,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 938 transitions. [2023-11-29 01:09:05,107 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 938 transitions. Word has length 30 [2023-11-29 01:09:05,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:05,107 INFO L495 AbstractCegarLoop]: Abstraction has 676 states and 938 transitions. [2023-11-29 01:09:05,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 01:09:05,108 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 938 transitions. [2023-11-29 01:09:05,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-29 01:09:05,109 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:05,110 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:05,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 01:09:05,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-29 01:09:05,313 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:05,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:05,313 INFO L85 PathProgramCache]: Analyzing trace with hash -775529274, now seen corresponding path program 1 times [2023-11-29 01:09:05,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:05,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13540015] [2023-11-29 01:09:05,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:05,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:05,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:05,488 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-29 01:09:05,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:05,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13540015] [2023-11-29 01:09:05,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13540015] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:09:05,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:09:05,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:09:05,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871179095] [2023-11-29 01:09:05,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:09:05,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:09:05,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:05,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:09:05,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:09:05,490 INFO L87 Difference]: Start difference. First operand 676 states and 938 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2023-11-29 01:09:05,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:05,617 INFO L93 Difference]: Finished difference Result 690 states and 954 transitions. [2023-11-29 01:09:05,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:09:05,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 [2023-11-29 01:09:05,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:05,622 INFO L225 Difference]: With dead ends: 690 [2023-11-29 01:09:05,622 INFO L226 Difference]: Without dead ends: 688 [2023-11-29 01:09:05,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:09:05,623 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 3 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1716 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:05,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1716 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:09:05,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2023-11-29 01:09:05,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 686. [2023-11-29 01:09:05,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 550 states have (on average 1.6036363636363635) internal successors, (882), 641 states have internal predecessors, (882), 40 states have call successors, (40), 15 states have call predecessors, (40), 14 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-29 01:09:05,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 951 transitions. [2023-11-29 01:09:05,646 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 951 transitions. Word has length 49 [2023-11-29 01:09:05,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:05,646 INFO L495 AbstractCegarLoop]: Abstraction has 686 states and 951 transitions. [2023-11-29 01:09:05,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2023-11-29 01:09:05,647 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 951 transitions. [2023-11-29 01:09:05,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-29 01:09:05,648 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:05,648 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:05,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 01:09:05,649 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:05,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:05,649 INFO L85 PathProgramCache]: Analyzing trace with hash -775527545, now seen corresponding path program 1 times [2023-11-29 01:09:05,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:05,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754037155] [2023-11-29 01:09:05,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:05,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:05,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:05,805 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-29 01:09:05,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:05,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754037155] [2023-11-29 01:09:05,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754037155] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:09:05,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:09:05,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:09:05,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246682034] [2023-11-29 01:09:05,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:09:05,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:09:05,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:05,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:09:05,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:09:05,808 INFO L87 Difference]: Start difference. First operand 686 states and 951 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2023-11-29 01:09:05,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:05,918 INFO L93 Difference]: Finished difference Result 686 states and 951 transitions. [2023-11-29 01:09:05,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:09:05,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 [2023-11-29 01:09:05,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:05,922 INFO L225 Difference]: With dead ends: 686 [2023-11-29 01:09:05,922 INFO L226 Difference]: Without dead ends: 685 [2023-11-29 01:09:05,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:09:05,923 INFO L413 NwaCegarLoop]: 861 mSDtfsCounter, 0 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1719 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:05,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1719 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:09:05,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2023-11-29 01:09:05,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 681. [2023-11-29 01:09:05,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 546 states have (on average 1.6043956043956045) internal successors, (876), 636 states have internal predecessors, (876), 40 states have call successors, (40), 15 states have call predecessors, (40), 14 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-29 01:09:05,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 945 transitions. [2023-11-29 01:09:05,943 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 945 transitions. Word has length 49 [2023-11-29 01:09:05,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:05,943 INFO L495 AbstractCegarLoop]: Abstraction has 681 states and 945 transitions. [2023-11-29 01:09:05,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2023-11-29 01:09:05,944 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 945 transitions. [2023-11-29 01:09:05,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-29 01:09:05,944 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:05,945 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:05,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 01:09:05,945 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:05,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:05,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1285708987, now seen corresponding path program 1 times [2023-11-29 01:09:05,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:05,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321142200] [2023-11-29 01:09:05,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:05,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:06,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:06,186 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 01:09:06,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:06,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321142200] [2023-11-29 01:09:06,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321142200] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:09:06,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313589139] [2023-11-29 01:09:06,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:06,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:06,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:06,188 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:09:06,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 01:09:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:06,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 01:09:06,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:09:06,747 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 01:09:06,748 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:09:06,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313589139] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:09:06,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:09:06,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-11-29 01:09:06,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762320333] [2023-11-29 01:09:06,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:09:06,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:09:06,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:06,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:09:06,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:09:06,749 INFO L87 Difference]: Start difference. First operand 681 states and 945 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 01:09:06,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:06,942 INFO L93 Difference]: Finished difference Result 923 states and 1312 transitions. [2023-11-29 01:09:06,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:09:06,942 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 51 [2023-11-29 01:09:06,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:06,948 INFO L225 Difference]: With dead ends: 923 [2023-11-29 01:09:06,948 INFO L226 Difference]: Without dead ends: 922 [2023-11-29 01:09:06,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:09:06,949 INFO L413 NwaCegarLoop]: 1205 mSDtfsCounter, 697 mSDsluCounter, 851 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 2056 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:06,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 2056 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:09:06,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2023-11-29 01:09:06,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 680. [2023-11-29 01:09:06,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 546 states have (on average 1.6025641025641026) internal successors, (875), 635 states have internal predecessors, (875), 40 states have call successors, (40), 15 states have call predecessors, (40), 14 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-29 01:09:06,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 944 transitions. [2023-11-29 01:09:06,982 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 944 transitions. Word has length 51 [2023-11-29 01:09:06,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:06,982 INFO L495 AbstractCegarLoop]: Abstraction has 680 states and 944 transitions. [2023-11-29 01:09:06,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 01:09:06,983 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 944 transitions. [2023-11-29 01:09:06,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-29 01:09:06,984 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:06,984 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:06,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 01:09:07,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 01:09:07,189 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:07,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:07,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1202271835, now seen corresponding path program 1 times [2023-11-29 01:09:07,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:07,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143485863] [2023-11-29 01:09:07,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:07,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:07,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:07,451 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 01:09:07,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:07,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143485863] [2023-11-29 01:09:07,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143485863] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:09:07,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764296765] [2023-11-29 01:09:07,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:07,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:07,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:07,453 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:09:07,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 01:09:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:07,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 01:09:07,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:09:07,987 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 01:09:07,987 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:09:08,015 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 01:09:08,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764296765] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:09:08,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:09:08,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-29 01:09:08,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674740048] [2023-11-29 01:09:08,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:09:08,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:09:08,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:08,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:09:08,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:09:08,018 INFO L87 Difference]: Start difference. First operand 680 states and 944 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 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) [2023-11-29 01:09:08,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:08,324 INFO L93 Difference]: Finished difference Result 1649 states and 2414 transitions. [2023-11-29 01:09:08,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:09:08,324 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 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 52 [2023-11-29 01:09:08,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:08,333 INFO L225 Difference]: With dead ends: 1649 [2023-11-29 01:09:08,333 INFO L226 Difference]: Without dead ends: 1648 [2023-11-29 01:09:08,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:09:08,334 INFO L413 NwaCegarLoop]: 855 mSDtfsCounter, 2470 mSDsluCounter, 2184 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2498 SdHoareTripleChecker+Valid, 3039 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:08,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2498 Valid, 3039 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:09:08,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2023-11-29 01:09:08,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 692. [2023-11-29 01:09:08,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 558 states have (on average 1.5949820788530467) internal successors, (890), 647 states have internal predecessors, (890), 40 states have call successors, (40), 15 states have call predecessors, (40), 14 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-29 01:09:08,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 959 transitions. [2023-11-29 01:09:08,379 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 959 transitions. Word has length 52 [2023-11-29 01:09:08,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:08,379 INFO L495 AbstractCegarLoop]: Abstraction has 692 states and 959 transitions. [2023-11-29 01:09:08,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 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) [2023-11-29 01:09:08,380 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 959 transitions. [2023-11-29 01:09:08,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 01:09:08,381 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:08,381 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:08,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-29 01:09:08,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:08,585 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:08,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:08,585 INFO L85 PathProgramCache]: Analyzing trace with hash 636193775, now seen corresponding path program 1 times [2023-11-29 01:09:08,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:08,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308252525] [2023-11-29 01:09:08,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:08,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:08,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:08,809 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-29 01:09:08,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:08,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308252525] [2023-11-29 01:09:08,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308252525] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:09:08,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111261572] [2023-11-29 01:09:08,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:08,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:08,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:08,811 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:09:08,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 01:09:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:09,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 01:09:09,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:09:09,459 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-29 01:09:09,459 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:09:09,480 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-29 01:09:09,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111261572] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:09:09,480 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:09:09,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-29 01:09:09,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593674201] [2023-11-29 01:09:09,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:09:09,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:09:09,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:09,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:09:09,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:09:09,482 INFO L87 Difference]: Start difference. First operand 692 states and 959 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 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) [2023-11-29 01:09:09,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:09,649 INFO L93 Difference]: Finished difference Result 1359 states and 1895 transitions. [2023-11-29 01:09:09,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:09:09,651 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 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 57 [2023-11-29 01:09:09,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:09,655 INFO L225 Difference]: With dead ends: 1359 [2023-11-29 01:09:09,655 INFO L226 Difference]: Without dead ends: 710 [2023-11-29 01:09:09,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:09:09,658 INFO L413 NwaCegarLoop]: 860 mSDtfsCounter, 4 mSDsluCounter, 1714 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2574 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:09,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2574 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:09:09,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2023-11-29 01:09:09,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 710. [2023-11-29 01:09:09,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 576 states have (on average 1.5763888888888888) internal successors, (908), 665 states have internal predecessors, (908), 40 states have call successors, (40), 15 states have call predecessors, (40), 14 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-29 01:09:09,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 977 transitions. [2023-11-29 01:09:09,691 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 977 transitions. Word has length 57 [2023-11-29 01:09:09,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:09,692 INFO L495 AbstractCegarLoop]: Abstraction has 710 states and 977 transitions. [2023-11-29 01:09:09,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 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) [2023-11-29 01:09:09,692 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 977 transitions. [2023-11-29 01:09:09,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-29 01:09:09,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:09,693 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:09,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 01:09:09,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 01:09:09,897 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:09,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:09,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1432921450, now seen corresponding path program 1 times [2023-11-29 01:09:09,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:09,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105023648] [2023-11-29 01:09:09,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:09,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:10,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:10,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 01:09:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:10,511 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 01:09:10,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:10,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105023648] [2023-11-29 01:09:10,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105023648] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:09:10,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:09:10,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 01:09:10,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854039210] [2023-11-29 01:09:10,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:09:10,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:09:10,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:10,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:09:10,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:09:10,513 INFO L87 Difference]: Start difference. First operand 710 states and 977 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:09:11,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:11,713 INFO L93 Difference]: Finished difference Result 1319 states and 1841 transitions. [2023-11-29 01:09:11,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:09:11,716 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 60 [2023-11-29 01:09:11,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:11,722 INFO L225 Difference]: With dead ends: 1319 [2023-11-29 01:09:11,722 INFO L226 Difference]: Without dead ends: 712 [2023-11-29 01:09:11,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:09:11,725 INFO L413 NwaCegarLoop]: 621 mSDtfsCounter, 1734 mSDsluCounter, 1110 mSDsCounter, 0 mSdLazyCounter, 898 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1745 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:11,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1745 Valid, 1731 Invalid, 1000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 898 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 01:09:11,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2023-11-29 01:09:11,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 710. [2023-11-29 01:09:11,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 576 states have (on average 1.5729166666666667) internal successors, (906), 665 states have internal predecessors, (906), 40 states have call successors, (40), 15 states have call predecessors, (40), 14 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-29 01:09:11,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 975 transitions. [2023-11-29 01:09:11,765 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 975 transitions. Word has length 60 [2023-11-29 01:09:11,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:11,766 INFO L495 AbstractCegarLoop]: Abstraction has 710 states and 975 transitions. [2023-11-29 01:09:11,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:09:11,766 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 975 transitions. [2023-11-29 01:09:11,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-29 01:09:11,767 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:11,767 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:11,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 01:09:11,768 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:11,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:11,768 INFO L85 PathProgramCache]: Analyzing trace with hash 623574824, now seen corresponding path program 1 times [2023-11-29 01:09:11,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:11,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544931353] [2023-11-29 01:09:11,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:11,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:11,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:11,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 01:09:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:12,043 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 01:09:12,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:12,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544931353] [2023-11-29 01:09:12,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544931353] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:09:12,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:09:12,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:09:12,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944874416] [2023-11-29 01:09:12,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:09:12,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:09:12,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:12,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:09:12,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:09:12,045 INFO L87 Difference]: Start difference. First operand 710 states and 975 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:09:12,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:12,849 INFO L93 Difference]: Finished difference Result 1411 states and 1976 transitions. [2023-11-29 01:09:12,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:09:12,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 60 [2023-11-29 01:09:12,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:12,853 INFO L225 Difference]: With dead ends: 1411 [2023-11-29 01:09:12,854 INFO L226 Difference]: Without dead ends: 807 [2023-11-29 01:09:12,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:09:12,856 INFO L413 NwaCegarLoop]: 655 mSDtfsCounter, 328 mSDsluCounter, 1143 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 1798 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:12,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 1798 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 01:09:12,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2023-11-29 01:09:12,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 750. [2023-11-29 01:09:12,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 615 states have (on average 1.5609756097560976) internal successors, (960), 704 states have internal predecessors, (960), 41 states have call successors, (41), 15 states have call predecessors, (41), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 01:09:12,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1031 transitions. [2023-11-29 01:09:12,898 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1031 transitions. Word has length 60 [2023-11-29 01:09:12,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:12,898 INFO L495 AbstractCegarLoop]: Abstraction has 750 states and 1031 transitions. [2023-11-29 01:09:12,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:09:12,899 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1031 transitions. [2023-11-29 01:09:12,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-29 01:09:12,899 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:12,899 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:12,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 01:09:12,900 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:12,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:12,900 INFO L85 PathProgramCache]: Analyzing trace with hash -2039979059, now seen corresponding path program 1 times [2023-11-29 01:09:12,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:12,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835682086] [2023-11-29 01:09:12,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:12,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:13,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:13,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 01:09:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:13,110 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 01:09:13,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:13,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835682086] [2023-11-29 01:09:13,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835682086] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:09:13,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:09:13,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:09:13,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418313679] [2023-11-29 01:09:13,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:09:13,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:09:13,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:13,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:09:13,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:09:13,112 INFO L87 Difference]: Start difference. First operand 750 states and 1031 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:09:13,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:13,854 INFO L93 Difference]: Finished difference Result 754 states and 1034 transitions. [2023-11-29 01:09:13,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:09:13,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 62 [2023-11-29 01:09:13,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:13,859 INFO L225 Difference]: With dead ends: 754 [2023-11-29 01:09:13,859 INFO L226 Difference]: Without dead ends: 752 [2023-11-29 01:09:13,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:09:13,860 INFO L413 NwaCegarLoop]: 657 mSDtfsCounter, 209 mSDsluCounter, 1207 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 1864 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:13,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 1864 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 01:09:13,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2023-11-29 01:09:13,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 750. [2023-11-29 01:09:13,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 615 states have (on average 1.5577235772357723) internal successors, (958), 704 states have internal predecessors, (958), 41 states have call successors, (41), 15 states have call predecessors, (41), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 01:09:13,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1029 transitions. [2023-11-29 01:09:13,935 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1029 transitions. Word has length 62 [2023-11-29 01:09:13,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:13,936 INFO L495 AbstractCegarLoop]: Abstraction has 750 states and 1029 transitions. [2023-11-29 01:09:13,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:09:13,936 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1029 transitions. [2023-11-29 01:09:13,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-29 01:09:13,937 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:13,937 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:13,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 01:09:13,937 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:13,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:13,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1779698950, now seen corresponding path program 2 times [2023-11-29 01:09:13,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:13,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328592894] [2023-11-29 01:09:13,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:13,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:14,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:14,245 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 01:09:14,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:14,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328592894] [2023-11-29 01:09:14,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328592894] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:09:14,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291300274] [2023-11-29 01:09:14,246 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:09:14,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:14,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:14,247 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:09:14,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 01:09:14,893 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 01:09:14,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:09:14,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 01:09:14,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:09:14,969 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-11-29 01:09:14,969 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:09:14,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291300274] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:09:14,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:09:14,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2023-11-29 01:09:14,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873173993] [2023-11-29 01:09:14,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:09:14,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:09:14,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:14,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:09:14,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:09:14,971 INFO L87 Difference]: Start difference. First operand 750 states and 1029 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) [2023-11-29 01:09:15,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:15,255 INFO L93 Difference]: Finished difference Result 1426 states and 1978 transitions. [2023-11-29 01:09:15,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:09:15,269 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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 64 [2023-11-29 01:09:15,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:15,273 INFO L225 Difference]: With dead ends: 1426 [2023-11-29 01:09:15,273 INFO L226 Difference]: Without dead ends: 750 [2023-11-29 01:09:15,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-11-29 01:09:15,275 INFO L413 NwaCegarLoop]: 845 mSDtfsCounter, 642 mSDsluCounter, 2503 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 3348 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:15,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 3348 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:09:15,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2023-11-29 01:09:15,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 750. [2023-11-29 01:09:15,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 615 states have (on average 1.5560975609756098) internal successors, (957), 704 states have internal predecessors, (957), 41 states have call successors, (41), 15 states have call predecessors, (41), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 01:09:15,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1028 transitions. [2023-11-29 01:09:15,300 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1028 transitions. Word has length 64 [2023-11-29 01:09:15,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:15,300 INFO L495 AbstractCegarLoop]: Abstraction has 750 states and 1028 transitions. [2023-11-29 01:09:15,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) [2023-11-29 01:09:15,300 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1028 transitions. [2023-11-29 01:09:15,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-29 01:09:15,301 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:15,301 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:15,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 01:09:15,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 01:09:15,503 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:15,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:15,504 INFO L85 PathProgramCache]: Analyzing trace with hash -492430467, now seen corresponding path program 2 times [2023-11-29 01:09:15,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:15,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382826843] [2023-11-29 01:09:15,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:15,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:15,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:15,808 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-11-29 01:09:15,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:15,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382826843] [2023-11-29 01:09:15,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382826843] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:09:15,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168777763] [2023-11-29 01:09:15,809 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:09:15,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:15,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:15,810 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:09:15,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 01:09:16,709 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 01:09:16,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:09:16,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 972 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:09:16,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:09:16,762 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-29 01:09:16,762 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:09:16,821 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-29 01:09:16,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168777763] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:09:16,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:09:16,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2023-11-29 01:09:16,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837980793] [2023-11-29 01:09:16,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:09:16,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 01:09:16,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:16,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 01:09:16,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-29 01:09:16,824 INFO L87 Difference]: Start difference. First operand 750 states and 1028 transitions. Second operand has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 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) [2023-11-29 01:09:17,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:17,412 INFO L93 Difference]: Finished difference Result 1483 states and 2049 transitions. [2023-11-29 01:09:17,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 01:09:17,413 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 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 75 [2023-11-29 01:09:17,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:17,418 INFO L225 Difference]: With dead ends: 1483 [2023-11-29 01:09:17,418 INFO L226 Difference]: Without dead ends: 785 [2023-11-29 01:09:17,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=330, Invalid=792, Unknown=0, NotChecked=0, Total=1122 [2023-11-29 01:09:17,421 INFO L413 NwaCegarLoop]: 854 mSDtfsCounter, 11 mSDsluCounter, 5100 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 5954 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:17,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 5954 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 01:09:17,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2023-11-29 01:09:17,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 785. [2023-11-29 01:09:17,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 651 states have (on average 1.5238095238095237) internal successors, (992), 739 states have internal predecessors, (992), 41 states have call successors, (41), 15 states have call predecessors, (41), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 01:09:17,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1063 transitions. [2023-11-29 01:09:17,464 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1063 transitions. Word has length 75 [2023-11-29 01:09:17,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:17,465 INFO L495 AbstractCegarLoop]: Abstraction has 785 states and 1063 transitions. [2023-11-29 01:09:17,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 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) [2023-11-29 01:09:17,465 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1063 transitions. [2023-11-29 01:09:17,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-29 01:09:17,466 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:17,466 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:17,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 01:09:17,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:17,667 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:17,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:17,668 INFO L85 PathProgramCache]: Analyzing trace with hash -682131181, now seen corresponding path program 1 times [2023-11-29 01:09:17,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:17,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921627781] [2023-11-29 01:09:17,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:17,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:18,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:18,087 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 01:09:18,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:18,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921627781] [2023-11-29 01:09:18,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921627781] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:09:18,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153110199] [2023-11-29 01:09:18,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:18,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:18,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:18,089 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:09:18,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 01:09:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:18,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 1148 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:09:18,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:09:18,730 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 01:09:18,730 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:09:18,787 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 01:09:18,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153110199] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:09:18,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:09:18,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2023-11-29 01:09:18,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557338241] [2023-11-29 01:09:18,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:09:18,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 01:09:18,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:18,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 01:09:18,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-29 01:09:18,789 INFO L87 Difference]: Start difference. First operand 785 states and 1063 transitions. Second operand has 13 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 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) [2023-11-29 01:09:19,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:19,384 INFO L93 Difference]: Finished difference Result 3600 states and 5249 transitions. [2023-11-29 01:09:19,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 01:09:19,385 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 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 99 [2023-11-29 01:09:19,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:19,399 INFO L225 Difference]: With dead ends: 3600 [2023-11-29 01:09:19,399 INFO L226 Difference]: Without dead ends: 3599 [2023-11-29 01:09:19,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-29 01:09:19,401 INFO L413 NwaCegarLoop]: 853 mSDtfsCounter, 4946 mSDsluCounter, 6186 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5016 SdHoareTripleChecker+Valid, 7039 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:19,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5016 Valid, 7039 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 01:09:19,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3599 states. [2023-11-29 01:09:19,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3599 to 809. [2023-11-29 01:09:19,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 675 states have (on average 1.5140740740740741) internal successors, (1022), 763 states have internal predecessors, (1022), 41 states have call successors, (41), 15 states have call predecessors, (41), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 01:09:19,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1093 transitions. [2023-11-29 01:09:19,454 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1093 transitions. Word has length 99 [2023-11-29 01:09:19,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:19,454 INFO L495 AbstractCegarLoop]: Abstraction has 809 states and 1093 transitions. [2023-11-29 01:09:19,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 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) [2023-11-29 01:09:19,455 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1093 transitions. [2023-11-29 01:09:19,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 01:09:19,455 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:19,455 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:19,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 01:09:19,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:19,656 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:19,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:19,656 INFO L85 PathProgramCache]: Analyzing trace with hash -474109389, now seen corresponding path program 1 times [2023-11-29 01:09:19,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:19,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967213965] [2023-11-29 01:09:19,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:19,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:19,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:19,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 01:09:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:19,854 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 01:09:19,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:19,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967213965] [2023-11-29 01:09:19,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967213965] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:09:19,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:09:19,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:09:19,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550044104] [2023-11-29 01:09:19,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:09:19,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:09:19,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:19,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:09:19,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:09:19,856 INFO L87 Difference]: Start difference. First operand 809 states and 1093 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:09:20,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:20,678 INFO L93 Difference]: Finished difference Result 1433 states and 1997 transitions. [2023-11-29 01:09:20,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:09:20,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2023-11-29 01:09:20,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:20,683 INFO L225 Difference]: With dead ends: 1433 [2023-11-29 01:09:20,683 INFO L226 Difference]: Without dead ends: 884 [2023-11-29 01:09:20,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:09:20,685 INFO L413 NwaCegarLoop]: 742 mSDtfsCounter, 323 mSDsluCounter, 1227 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 1969 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:20,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 1969 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 01:09:20,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2023-11-29 01:09:20,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 812. [2023-11-29 01:09:20,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 680 states have (on average 1.5088235294117647) internal successors, (1026), 766 states have internal predecessors, (1026), 41 states have call successors, (41), 15 states have call predecessors, (41), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 01:09:20,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1097 transitions. [2023-11-29 01:09:20,729 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1097 transitions. Word has length 104 [2023-11-29 01:09:20,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:20,729 INFO L495 AbstractCegarLoop]: Abstraction has 812 states and 1097 transitions. [2023-11-29 01:09:20,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:09:20,729 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1097 transitions. [2023-11-29 01:09:20,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 01:09:20,731 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:20,731 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:20,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 01:09:20,731 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:20,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:20,732 INFO L85 PathProgramCache]: Analyzing trace with hash -473476898, now seen corresponding path program 1 times [2023-11-29 01:09:20,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:20,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759139799] [2023-11-29 01:09:20,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:20,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:20,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:20,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 01:09:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:21,005 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 01:09:21,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:21,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759139799] [2023-11-29 01:09:21,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759139799] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:09:21,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:09:21,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:09:21,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915201521] [2023-11-29 01:09:21,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:09:21,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:09:21,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:21,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:09:21,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:09:21,007 INFO L87 Difference]: Start difference. First operand 812 states and 1097 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:09:21,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:21,831 INFO L93 Difference]: Finished difference Result 817 states and 1103 transitions. [2023-11-29 01:09:21,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:09:21,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2023-11-29 01:09:21,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:21,835 INFO L225 Difference]: With dead ends: 817 [2023-11-29 01:09:21,836 INFO L226 Difference]: Without dead ends: 814 [2023-11-29 01:09:21,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:09:21,836 INFO L413 NwaCegarLoop]: 602 mSDtfsCounter, 507 mSDsluCounter, 855 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 1457 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:21,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [525 Valid, 1457 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 01:09:21,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2023-11-29 01:09:21,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 809. [2023-11-29 01:09:21,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 680 states have (on average 1.5044117647058823) internal successors, (1023), 763 states have internal predecessors, (1023), 41 states have call successors, (41), 15 states have call predecessors, (41), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 01:09:21,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1094 transitions. [2023-11-29 01:09:21,884 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1094 transitions. Word has length 104 [2023-11-29 01:09:21,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:21,884 INFO L495 AbstractCegarLoop]: Abstraction has 809 states and 1094 transitions. [2023-11-29 01:09:21,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:09:21,885 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1094 transitions. [2023-11-29 01:09:21,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-29 01:09:21,886 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:21,886 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:21,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 01:09:21,886 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:21,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:21,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1812487838, now seen corresponding path program 1 times [2023-11-29 01:09:21,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:21,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147999611] [2023-11-29 01:09:21,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:21,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:22,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:22,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 01:09:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:22,127 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 01:09:22,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:22,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147999611] [2023-11-29 01:09:22,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147999611] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:09:22,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:09:22,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:09:22,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172740654] [2023-11-29 01:09:22,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:09:22,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:09:22,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:22,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:09:22,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:09:22,129 INFO L87 Difference]: Start difference. First operand 809 states and 1094 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:09:23,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:23,004 INFO L93 Difference]: Finished difference Result 1438 states and 2002 transitions. [2023-11-29 01:09:23,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:09:23,005 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2023-11-29 01:09:23,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:23,010 INFO L225 Difference]: With dead ends: 1438 [2023-11-29 01:09:23,010 INFO L226 Difference]: Without dead ends: 885 [2023-11-29 01:09:23,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:09:23,012 INFO L413 NwaCegarLoop]: 683 mSDtfsCounter, 441 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 1772 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:23,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 1772 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 01:09:23,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2023-11-29 01:09:23,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 794. [2023-11-29 01:09:23,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 669 states have (on average 1.499252615844544) internal successors, (1003), 748 states have internal predecessors, (1003), 41 states have call successors, (41), 15 states have call predecessors, (41), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 01:09:23,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1074 transitions. [2023-11-29 01:09:23,058 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1074 transitions. Word has length 105 [2023-11-29 01:09:23,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:23,058 INFO L495 AbstractCegarLoop]: Abstraction has 794 states and 1074 transitions. [2023-11-29 01:09:23,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:09:23,058 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1074 transitions. [2023-11-29 01:09:23,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-29 01:09:23,060 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:23,060 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:23,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 01:09:23,060 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:23,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:23,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1792880557, now seen corresponding path program 1 times [2023-11-29 01:09:23,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:23,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052668746] [2023-11-29 01:09:23,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:23,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:23,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:23,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 01:09:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:23,348 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 01:09:23,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:23,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052668746] [2023-11-29 01:09:23,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052668746] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:09:23,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:09:23,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:09:23,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600911752] [2023-11-29 01:09:23,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:09:23,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:09:23,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:23,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:09:23,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:09:23,350 INFO L87 Difference]: Start difference. First operand 794 states and 1074 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:09:24,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:24,209 INFO L93 Difference]: Finished difference Result 843 states and 1148 transitions. [2023-11-29 01:09:24,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:09:24,209 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2023-11-29 01:09:24,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:24,214 INFO L225 Difference]: With dead ends: 843 [2023-11-29 01:09:24,214 INFO L226 Difference]: Without dead ends: 842 [2023-11-29 01:09:24,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:09:24,215 INFO L413 NwaCegarLoop]: 604 mSDtfsCounter, 536 mSDsluCounter, 907 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 1511 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:24,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 1511 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 01:09:24,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2023-11-29 01:09:24,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 793. [2023-11-29 01:09:24,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 669 states have (on average 1.4977578475336324) internal successors, (1002), 747 states have internal predecessors, (1002), 41 states have call successors, (41), 15 states have call predecessors, (41), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 01:09:24,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1073 transitions. [2023-11-29 01:09:24,263 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1073 transitions. Word has length 105 [2023-11-29 01:09:24,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:24,263 INFO L495 AbstractCegarLoop]: Abstraction has 793 states and 1073 transitions. [2023-11-29 01:09:24,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:09:24,263 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1073 transitions. [2023-11-29 01:09:24,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-29 01:09:24,265 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:24,265 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:24,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 01:09:24,265 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:24,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:24,266 INFO L85 PathProgramCache]: Analyzing trace with hash 716730241, now seen corresponding path program 1 times [2023-11-29 01:09:24,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:24,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917314913] [2023-11-29 01:09:24,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:24,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:24,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:24,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 01:09:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:24,653 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 01:09:24,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:24,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917314913] [2023-11-29 01:09:24,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917314913] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:09:24,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285860377] [2023-11-29 01:09:24,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:24,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:24,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:24,655 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:09:24,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 01:09:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:25,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 1234 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 01:09:25,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:09:25,378 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 01:09:25,378 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:09:25,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285860377] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:09:25,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:09:25,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2023-11-29 01:09:25,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635496139] [2023-11-29 01:09:25,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:09:25,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:09:25,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:25,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:09:25,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:09:25,380 INFO L87 Difference]: Start difference. First operand 793 states and 1073 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 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) [2023-11-29 01:09:25,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:25,634 INFO L93 Difference]: Finished difference Result 1466 states and 2031 transitions. [2023-11-29 01:09:25,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:09:25,634 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 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) Word has length 106 [2023-11-29 01:09:25,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:25,638 INFO L225 Difference]: With dead ends: 1466 [2023-11-29 01:09:25,638 INFO L226 Difference]: Without dead ends: 864 [2023-11-29 01:09:25,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:09:25,639 INFO L413 NwaCegarLoop]: 921 mSDtfsCounter, 470 mSDsluCounter, 1632 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 2553 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:25,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 2553 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 01:09:25,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2023-11-29 01:09:25,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 792. [2023-11-29 01:09:25,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 670 states have (on average 1.491044776119403) internal successors, (999), 746 states have internal predecessors, (999), 41 states have call successors, (41), 15 states have call predecessors, (41), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 01:09:25,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1070 transitions. [2023-11-29 01:09:25,670 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1070 transitions. Word has length 106 [2023-11-29 01:09:25,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:25,670 INFO L495 AbstractCegarLoop]: Abstraction has 792 states and 1070 transitions. [2023-11-29 01:09:25,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 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) [2023-11-29 01:09:25,670 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1070 transitions. [2023-11-29 01:09:25,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-29 01:09:25,671 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:25,671 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:25,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 01:09:25,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-11-29 01:09:25,872 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:25,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:25,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1583030820, now seen corresponding path program 1 times [2023-11-29 01:09:25,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:25,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332021171] [2023-11-29 01:09:25,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:25,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:26,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:26,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 01:09:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:26,066 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2023-11-29 01:09:26,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:26,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332021171] [2023-11-29 01:09:26,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332021171] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:09:26,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:09:26,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:09:26,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411069041] [2023-11-29 01:09:26,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:09:26,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 01:09:26,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:26,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:09:26,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:09:26,069 INFO L87 Difference]: Start difference. First operand 792 states and 1070 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:09:26,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:26,746 INFO L93 Difference]: Finished difference Result 794 states and 1073 transitions. [2023-11-29 01:09:26,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:09:26,747 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 108 [2023-11-29 01:09:26,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:26,750 INFO L225 Difference]: With dead ends: 794 [2023-11-29 01:09:26,751 INFO L226 Difference]: Without dead ends: 793 [2023-11-29 01:09:26,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:09:26,751 INFO L413 NwaCegarLoop]: 644 mSDtfsCounter, 210 mSDsluCounter, 1180 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 1824 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:26,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 1824 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 01:09:26,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2023-11-29 01:09:26,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 791. [2023-11-29 01:09:26,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 670 states have (on average 1.48955223880597) internal successors, (998), 745 states have internal predecessors, (998), 41 states have call successors, (41), 15 states have call predecessors, (41), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 01:09:26,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1069 transitions. [2023-11-29 01:09:26,780 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1069 transitions. Word has length 108 [2023-11-29 01:09:26,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:26,780 INFO L495 AbstractCegarLoop]: Abstraction has 791 states and 1069 transitions. [2023-11-29 01:09:26,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:09:26,781 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1069 transitions. [2023-11-29 01:09:26,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-29 01:09:26,781 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:26,782 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 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, 1, 1, 1, 1, 1] [2023-11-29 01:09:26,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 01:09:26,782 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:26,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:26,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1829316312, now seen corresponding path program 1 times [2023-11-29 01:09:26,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:26,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635844267] [2023-11-29 01:09:26,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:26,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:27,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:27,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 01:09:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:27,713 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 01:09:27,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:27,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635844267] [2023-11-29 01:09:27,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635844267] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:09:27,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:09:27,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 01:09:27,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141698719] [2023-11-29 01:09:27,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:09:27,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:09:27,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:27,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:09:27,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:09:27,715 INFO L87 Difference]: Start difference. First operand 791 states and 1069 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:09:28,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:28,689 INFO L93 Difference]: Finished difference Result 1420 states and 1959 transitions. [2023-11-29 01:09:28,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:09:28,690 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 109 [2023-11-29 01:09:28,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:28,694 INFO L225 Difference]: With dead ends: 1420 [2023-11-29 01:09:28,694 INFO L226 Difference]: Without dead ends: 793 [2023-11-29 01:09:28,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-29 01:09:28,696 INFO L413 NwaCegarLoop]: 607 mSDtfsCounter, 1346 mSDsluCounter, 1392 mSDsCounter, 0 mSdLazyCounter, 939 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1357 SdHoareTripleChecker+Valid, 1999 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:28,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1357 Valid, 1999 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 939 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 01:09:28,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2023-11-29 01:09:28,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 791. [2023-11-29 01:09:28,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 670 states have (on average 1.4880597014925374) internal successors, (997), 745 states have internal predecessors, (997), 41 states have call successors, (41), 15 states have call predecessors, (41), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 01:09:28,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1068 transitions. [2023-11-29 01:09:28,742 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1068 transitions. Word has length 109 [2023-11-29 01:09:28,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:28,742 INFO L495 AbstractCegarLoop]: Abstraction has 791 states and 1068 transitions. [2023-11-29 01:09:28,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 01:09:28,742 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1068 transitions. [2023-11-29 01:09:28,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-29 01:09:28,743 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:28,744 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 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, 1, 1, 1, 1, 1] [2023-11-29 01:09:28,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 01:09:28,744 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:28,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:28,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1011667862, now seen corresponding path program 1 times [2023-11-29 01:09:28,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:28,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427277169] [2023-11-29 01:09:28,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:28,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:29,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:29,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 01:09:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:29,243 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 01:09:29,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:29,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427277169] [2023-11-29 01:09:29,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427277169] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:09:29,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:09:29,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:09:29,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778070262] [2023-11-29 01:09:29,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:09:29,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 01:09:29,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:29,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 01:09:29,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 01:09:29,245 INFO L87 Difference]: Start difference. First operand 791 states and 1068 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:09:30,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:30,249 INFO L93 Difference]: Finished difference Result 1424 states and 1962 transitions. [2023-11-29 01:09:30,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 01:09:30,250 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 109 [2023-11-29 01:09:30,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:30,255 INFO L225 Difference]: With dead ends: 1424 [2023-11-29 01:09:30,255 INFO L226 Difference]: Without dead ends: 792 [2023-11-29 01:09:30,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:09:30,257 INFO L413 NwaCegarLoop]: 644 mSDtfsCounter, 209 mSDsluCounter, 1811 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 2455 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:30,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 2455 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 01:09:30,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2023-11-29 01:09:30,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 792. [2023-11-29 01:09:30,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 671 states have (on average 1.4873323397913563) internal successors, (998), 746 states have internal predecessors, (998), 41 states have call successors, (41), 15 states have call predecessors, (41), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 01:09:30,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1069 transitions. [2023-11-29 01:09:30,289 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1069 transitions. Word has length 109 [2023-11-29 01:09:30,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:30,290 INFO L495 AbstractCegarLoop]: Abstraction has 792 states and 1069 transitions. [2023-11-29 01:09:30,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 01:09:30,290 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1069 transitions. [2023-11-29 01:09:30,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-29 01:09:30,291 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:30,291 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 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, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:30,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 01:09:30,292 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:30,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:30,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1714029619, now seen corresponding path program 1 times [2023-11-29 01:09:30,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:30,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424881455] [2023-11-29 01:09:30,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:30,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:30,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:30,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 01:09:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:30,789 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 01:09:30,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:30,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424881455] [2023-11-29 01:09:30,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424881455] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:09:30,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136122524] [2023-11-29 01:09:30,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:30,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:30,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:30,791 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:09:30,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 01:09:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:34,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 1253 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-29 01:09:34,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:09:35,323 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2023-11-29 01:09:35,323 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:09:35,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136122524] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:09:35,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:09:35,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2023-11-29 01:09:35,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480916028] [2023-11-29 01:09:35,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:09:35,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:09:35,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:35,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:09:35,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:09:35,325 INFO L87 Difference]: Start difference. First operand 792 states and 1069 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 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) [2023-11-29 01:09:35,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:35,790 INFO L93 Difference]: Finished difference Result 1437 states and 1979 transitions. [2023-11-29 01:09:35,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 01:09:35,791 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 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) Word has length 110 [2023-11-29 01:09:35,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:35,795 INFO L225 Difference]: With dead ends: 1437 [2023-11-29 01:09:35,795 INFO L226 Difference]: Without dead ends: 811 [2023-11-29 01:09:35,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2023-11-29 01:09:35,797 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 2527 mSDsluCounter, 1681 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2527 SdHoareTripleChecker+Valid, 2488 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:35,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2527 Valid, 2488 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 01:09:35,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2023-11-29 01:09:35,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 792. [2023-11-29 01:09:35,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 671 states have (on average 1.4858420268256334) internal successors, (997), 746 states have internal predecessors, (997), 41 states have call successors, (41), 15 states have call predecessors, (41), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 01:09:35,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1068 transitions. [2023-11-29 01:09:35,836 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1068 transitions. Word has length 110 [2023-11-29 01:09:35,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:35,836 INFO L495 AbstractCegarLoop]: Abstraction has 792 states and 1068 transitions. [2023-11-29 01:09:35,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 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) [2023-11-29 01:09:35,836 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1068 transitions. [2023-11-29 01:09:35,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-29 01:09:35,838 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:35,838 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 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, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:35,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 01:09:36,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-11-29 01:09:36,038 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:36,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:36,039 INFO L85 PathProgramCache]: Analyzing trace with hash 25085877, now seen corresponding path program 1 times [2023-11-29 01:09:36,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:36,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790198544] [2023-11-29 01:09:36,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:36,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:36,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:36,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 01:09:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:36,617 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 01:09:36,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:36,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790198544] [2023-11-29 01:09:36,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790198544] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:09:36,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614597078] [2023-11-29 01:09:36,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:36,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:36,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:36,618 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:09:36,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 01:09:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:37,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 1250 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 01:09:37,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:09:37,848 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 01:09:37,848 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:09:37,927 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 01:09:37,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614597078] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:09:37,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:09:37,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2023-11-29 01:09:37,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649199473] [2023-11-29 01:09:37,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:09:37,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 01:09:37,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:37,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 01:09:37,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-11-29 01:09:37,930 INFO L87 Difference]: Start difference. First operand 792 states and 1068 transitions. Second operand has 11 states, 8 states have (on average 6.625) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 01:09:39,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:39,498 INFO L93 Difference]: Finished difference Result 1428 states and 1966 transitions. [2023-11-29 01:09:39,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 01:09:39,498 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 6.625) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 110 [2023-11-29 01:09:39,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:39,501 INFO L225 Difference]: With dead ends: 1428 [2023-11-29 01:09:39,501 INFO L226 Difference]: Without dead ends: 795 [2023-11-29 01:09:39,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-11-29 01:09:39,503 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 209 mSDsluCounter, 3678 mSDsCounter, 0 mSdLazyCounter, 1617 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 4321 SdHoareTripleChecker+Invalid, 1642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:39,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 4321 Invalid, 1642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1617 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 01:09:39,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2023-11-29 01:09:39,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 795. [2023-11-29 01:09:39,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 674 states have (on average 1.4836795252225519) internal successors, (1000), 749 states have internal predecessors, (1000), 41 states have call successors, (41), 15 states have call predecessors, (41), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 01:09:39,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1071 transitions. [2023-11-29 01:09:39,539 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1071 transitions. Word has length 110 [2023-11-29 01:09:39,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:39,540 INFO L495 AbstractCegarLoop]: Abstraction has 795 states and 1071 transitions. [2023-11-29 01:09:39,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 6.625) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 01:09:39,540 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1071 transitions. [2023-11-29 01:09:39,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-29 01:09:39,541 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:39,541 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 4, 2, 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, 1, 1, 1, 1, 1] [2023-11-29 01:09:39,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 01:09:39,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:39,741 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:39,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:39,742 INFO L85 PathProgramCache]: Analyzing trace with hash -38316456, now seen corresponding path program 2 times [2023-11-29 01:09:39,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:39,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829649330] [2023-11-29 01:09:39,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:39,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:40,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:40,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:40,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 01:09:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:40,409 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 01:09:40,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:40,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829649330] [2023-11-29 01:09:40,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829649330] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:09:40,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542822372] [2023-11-29 01:09:40,409 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:09:40,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:40,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:40,410 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:09:40,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 01:09:42,206 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 01:09:42,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:09:42,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 1295 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-29 01:09:42,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:09:42,749 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2023-11-29 01:09:42,749 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:09:42,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542822372] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:09:42,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:09:42,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2023-11-29 01:09:42,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874560791] [2023-11-29 01:09:42,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:09:42,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:09:42,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:42,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:09:42,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2023-11-29 01:09:42,750 INFO L87 Difference]: Start difference. First operand 795 states and 1071 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 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) [2023-11-29 01:09:43,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:43,336 INFO L93 Difference]: Finished difference Result 1413 states and 1946 transitions. [2023-11-29 01:09:43,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:09:43,336 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 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) Word has length 113 [2023-11-29 01:09:43,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:43,339 INFO L225 Difference]: With dead ends: 1413 [2023-11-29 01:09:43,339 INFO L226 Difference]: Without dead ends: 815 [2023-11-29 01:09:43,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:09:43,340 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1764 mSDsluCounter, 1899 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 2706 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:43,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1764 Valid, 2706 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 01:09:43,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2023-11-29 01:09:43,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 796. [2023-11-29 01:09:43,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 675 states have (on average 1.482962962962963) internal successors, (1001), 750 states have internal predecessors, (1001), 41 states have call successors, (41), 15 states have call predecessors, (41), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 01:09:43,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1072 transitions. [2023-11-29 01:09:43,378 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1072 transitions. Word has length 113 [2023-11-29 01:09:43,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:43,378 INFO L495 AbstractCegarLoop]: Abstraction has 796 states and 1072 transitions. [2023-11-29 01:09:43,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 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) [2023-11-29 01:09:43,378 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1072 transitions. [2023-11-29 01:09:43,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-29 01:09:43,379 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:43,379 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:43,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-29 01:09:43,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2023-11-29 01:09:43,580 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:43,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:43,580 INFO L85 PathProgramCache]: Analyzing trace with hash 998550683, now seen corresponding path program 1 times [2023-11-29 01:09:43,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:43,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764663935] [2023-11-29 01:09:43,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:43,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:43,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:43,962 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-29 01:09:43,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:43,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764663935] [2023-11-29 01:09:43,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764663935] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:09:43,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055896867] [2023-11-29 01:09:43,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:43,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:43,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:43,963 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:09:43,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 01:09:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:44,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 01:09:44,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:09:44,789 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-29 01:09:44,790 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:09:44,875 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-29 01:09:44,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055896867] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:09:44,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:09:44,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-29 01:09:44,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101983002] [2023-11-29 01:09:44,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:09:44,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 01:09:44,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:44,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 01:09:44,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:09:44,877 INFO L87 Difference]: Start difference. First operand 796 states and 1072 transitions. Second operand has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 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) [2023-11-29 01:09:45,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:45,079 INFO L93 Difference]: Finished difference Result 905 states and 1189 transitions. [2023-11-29 01:09:45,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:09:45,080 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 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 112 [2023-11-29 01:09:45,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:45,082 INFO L225 Difference]: With dead ends: 905 [2023-11-29 01:09:45,082 INFO L226 Difference]: Without dead ends: 904 [2023-11-29 01:09:45,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 01:09:45,083 INFO L413 NwaCegarLoop]: 840 mSDtfsCounter, 4 mSDsluCounter, 1682 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2522 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:45,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2522 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 01:09:45,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2023-11-29 01:09:45,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 901. [2023-11-29 01:09:45,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 901 states, 780 states have (on average 1.4256410256410257) internal successors, (1112), 855 states have internal predecessors, (1112), 41 states have call successors, (41), 15 states have call predecessors, (41), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 01:09:45,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1183 transitions. [2023-11-29 01:09:45,142 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 1183 transitions. Word has length 112 [2023-11-29 01:09:45,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:45,143 INFO L495 AbstractCegarLoop]: Abstraction has 901 states and 1183 transitions. [2023-11-29 01:09:45,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 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) [2023-11-29 01:09:45,143 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1183 transitions. [2023-11-29 01:09:45,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-29 01:09:45,144 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:45,144 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 4, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:45,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-29 01:09:45,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:45,344 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:45,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:45,345 INFO L85 PathProgramCache]: Analyzing trace with hash -312731225, now seen corresponding path program 1 times [2023-11-29 01:09:45,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:45,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964567214] [2023-11-29 01:09:45,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:45,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:45,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:45,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 01:09:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:46,081 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 01:09:46,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:46,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964567214] [2023-11-29 01:09:46,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964567214] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:09:46,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57926267] [2023-11-29 01:09:46,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:46,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:46,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:46,083 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:09:46,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-29 01:09:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:49,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 1319 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 01:09:49,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:09:49,233 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 01:09:49,233 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:09:49,438 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 01:09:49,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57926267] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:09:49,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:09:49,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 17 [2023-11-29 01:09:49,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205300418] [2023-11-29 01:09:49,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:09:49,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 01:09:49,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:09:49,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 01:09:49,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2023-11-29 01:09:49,441 INFO L87 Difference]: Start difference. First operand 901 states and 1183 transitions. Second operand has 17 states, 14 states have (on average 4.357142857142857) internal successors, (61), 16 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 01:09:51,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:09:51,642 INFO L93 Difference]: Finished difference Result 1541 states and 2088 transitions. [2023-11-29 01:09:51,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-29 01:09:51,642 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 4.357142857142857) internal successors, (61), 16 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 115 [2023-11-29 01:09:51,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:09:51,645 INFO L225 Difference]: With dead ends: 1541 [2023-11-29 01:09:51,645 INFO L226 Difference]: Without dead ends: 907 [2023-11-29 01:09:51,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 223 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=176, Invalid=330, Unknown=0, NotChecked=0, Total=506 [2023-11-29 01:09:51,646 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 209 mSDsluCounter, 3670 mSDsCounter, 0 mSdLazyCounter, 1656 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 4312 SdHoareTripleChecker+Invalid, 1682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 01:09:51,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 4312 Invalid, 1682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1656 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 01:09:51,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2023-11-29 01:09:51,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 907. [2023-11-29 01:09:51,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 786 states have (on average 1.4223918575063612) internal successors, (1118), 861 states have internal predecessors, (1118), 41 states have call successors, (41), 15 states have call predecessors, (41), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 01:09:51,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1189 transitions. [2023-11-29 01:09:51,691 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1189 transitions. Word has length 115 [2023-11-29 01:09:51,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:09:51,692 INFO L495 AbstractCegarLoop]: Abstraction has 907 states and 1189 transitions. [2023-11-29 01:09:51,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 4.357142857142857) internal successors, (61), 16 states have internal predecessors, (61), 1 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 01:09:51,692 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1189 transitions. [2023-11-29 01:09:51,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-29 01:09:51,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:09:51,693 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:09:51,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-29 01:09:51,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:51,894 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:09:51,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:09:51,894 INFO L85 PathProgramCache]: Analyzing trace with hash -607161209, now seen corresponding path program 2 times [2023-11-29 01:09:51,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:09:51,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574100752] [2023-11-29 01:09:51,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:09:51,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:09:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:52,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:09:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:52,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 01:09:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:09:52,881 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 01:09:52,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:09:52,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574100752] [2023-11-29 01:09:52,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574100752] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:09:52,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055865536] [2023-11-29 01:09:52,882 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:09:52,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:09:52,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:09:52,883 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:09:52,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-29 01:09:59,824 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 01:09:59,824 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:09:59,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 1409 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-29 01:09:59,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:10:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 01:10:00,049 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:10:00,650 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 01:10:00,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055865536] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:10:00,650 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:10:00,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 38 [2023-11-29 01:10:00,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368864118] [2023-11-29 01:10:00,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:10:00,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-11-29 01:10:00,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:00,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-11-29 01:10:00,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=1049, Unknown=0, NotChecked=0, Total=1406 [2023-11-29 01:10:00,653 INFO L87 Difference]: Start difference. First operand 907 states and 1189 transitions. Second operand has 38 states, 35 states have (on average 2.342857142857143) internal successors, (82), 37 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 01:10:08,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:10:08,949 INFO L93 Difference]: Finished difference Result 1553 states and 2106 transitions. [2023-11-29 01:10:08,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-29 01:10:08,950 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 35 states have (on average 2.342857142857143) internal successors, (82), 37 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 121 [2023-11-29 01:10:08,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:10:08,951 INFO L225 Difference]: With dead ends: 1553 [2023-11-29 01:10:08,951 INFO L226 Difference]: Without dead ends: 919 [2023-11-29 01:10:08,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=806, Invalid=1744, Unknown=0, NotChecked=0, Total=2550 [2023-11-29 01:10:08,953 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 209 mSDsluCounter, 7414 mSDsCounter, 0 mSdLazyCounter, 3373 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 8057 SdHoareTripleChecker+Invalid, 3398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 3373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-29 01:10:08,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 8057 Invalid, 3398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 3373 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-29 01:10:08,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2023-11-29 01:10:08,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 919. [2023-11-29 01:10:09,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 798 states have (on average 1.4160401002506267) internal successors, (1130), 873 states have internal predecessors, (1130), 41 states have call successors, (41), 15 states have call predecessors, (41), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 01:10:09,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1201 transitions. [2023-11-29 01:10:09,002 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1201 transitions. Word has length 121 [2023-11-29 01:10:09,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:10:09,002 INFO L495 AbstractCegarLoop]: Abstraction has 919 states and 1201 transitions. [2023-11-29 01:10:09,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 35 states have (on average 2.342857142857143) internal successors, (82), 37 states have internal predecessors, (82), 1 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 01:10:09,002 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1201 transitions. [2023-11-29 01:10:09,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-29 01:10:09,003 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:10:09,003 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:10:09,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-11-29 01:10:09,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2023-11-29 01:10:09,203 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:10:09,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:09,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1549374013, now seen corresponding path program 2 times [2023-11-29 01:10:09,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:09,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700381607] [2023-11-29 01:10:09,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:09,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:09,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:10:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:09,661 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 01:10:09,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:09,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700381607] [2023-11-29 01:10:09,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700381607] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:10:09,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812118435] [2023-11-29 01:10:09,661 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 01:10:09,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:10:09,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:10:09,662 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:10:09,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-29 01:10:10,492 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 01:10:10,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 01:10:10,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 1202 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 01:10:10,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:10:10,556 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 01:10:10,556 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:10:10,726 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 01:10:10,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812118435] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:10:10,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:10:10,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2023-11-29 01:10:10,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153429126] [2023-11-29 01:10:10,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:10:10,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-29 01:10:10,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:10:10,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-29 01:10:10,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2023-11-29 01:10:10,729 INFO L87 Difference]: Start difference. First operand 919 states and 1201 transitions. Second operand has 25 states, 24 states have (on average 4.875) internal successors, (117), 25 states have internal predecessors, (117), 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) [2023-11-29 01:10:12,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:10:12,635 INFO L93 Difference]: Finished difference Result 6732 states and 9853 transitions. [2023-11-29 01:10:12,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 01:10:12,635 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 4.875) internal successors, (117), 25 states have internal predecessors, (117), 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 123 [2023-11-29 01:10:12,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:10:12,647 INFO L225 Difference]: With dead ends: 6732 [2023-11-29 01:10:12,647 INFO L226 Difference]: Without dead ends: 6731 [2023-11-29 01:10:12,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2023-11-29 01:10:12,649 INFO L413 NwaCegarLoop]: 837 mSDtfsCounter, 10627 mSDsluCounter, 14345 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10781 SdHoareTripleChecker+Valid, 15182 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:10:12,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10781 Valid, 15182 Invalid, 1108 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [69 Valid, 1039 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 01:10:12,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6731 states. [2023-11-29 01:10:12,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6731 to 967. [2023-11-29 01:10:12,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 967 states, 846 states have (on average 1.4066193853427895) internal successors, (1190), 921 states have internal predecessors, (1190), 41 states have call successors, (41), 15 states have call predecessors, (41), 14 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 01:10:12,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 967 states and 1261 transitions. [2023-11-29 01:10:12,738 INFO L78 Accepts]: Start accepts. Automaton has 967 states and 1261 transitions. Word has length 123 [2023-11-29 01:10:12,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:10:12,738 INFO L495 AbstractCegarLoop]: Abstraction has 967 states and 1261 transitions. [2023-11-29 01:10:12,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 4.875) internal successors, (117), 25 states have internal predecessors, (117), 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) [2023-11-29 01:10:12,739 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1261 transitions. [2023-11-29 01:10:12,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 01:10:12,740 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:10:12,740 INFO L195 NwaCegarLoop]: trace histogram [22, 10, 10, 10, 10, 10, 10, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:10:12,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-29 01:10:12,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:10:12,941 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [xatoi_positiveErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xatoi_positiveErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] === [2023-11-29 01:10:12,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:10:12,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1087557049, now seen corresponding path program 3 times [2023-11-29 01:10:12,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:10:12,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549997509] [2023-11-29 01:10:12,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:10:12,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:10:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:13,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 01:10:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:13,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 01:10:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:10:14,798 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-29 01:10:14,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:10:14,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549997509] [2023-11-29 01:10:14,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549997509] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:10:14,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678833552] [2023-11-29 01:10:14,799 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 01:10:14,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:10:14,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:10:14,800 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:10:14,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb6b81ea-0f7b-4875-899d-a5538c6cdf27/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process