./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c4f91361 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 46b0ad08a581b5bde0454ec418cbe0193c7ec6a3f6e007f87f30934488ee8554 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-c4f9136-m [2023-11-23 16:00:47,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 16:00:47,360 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-23 16:00:47,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 16:00:47,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 16:00:47,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 16:00:47,406 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 16:00:47,406 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 16:00:47,407 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 16:00:47,409 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 16:00:47,410 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 16:00:47,410 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 16:00:47,411 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 16:00:47,411 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 16:00:47,412 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 16:00:47,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 16:00:47,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 16:00:47,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 16:00:47,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 16:00:47,412 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 16:00:47,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 16:00:47,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 16:00:47,413 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 16:00:47,413 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 16:00:47,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 16:00:47,414 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 16:00:47,414 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 16:00:47,414 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 16:00:47,414 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 16:00:47,415 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 16:00:47,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 16:00:47,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 16:00:47,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 16:00:47,416 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 16:00:47,416 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 16:00:47,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 16:00:47,417 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 16:00:47,417 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 16:00:47,417 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 16:00:47,417 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 16:00:47,417 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 16:00:47,418 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46b0ad08a581b5bde0454ec418cbe0193c7ec6a3f6e007f87f30934488ee8554 [2023-11-23 16:00:47,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 16:00:47,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 16:00:47,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 16:00:47,779 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 16:00:47,780 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 16:00:47,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2023-11-23 16:00:49,006 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 16:00:49,439 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 16:00:49,441 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2023-11-23 16:00:49,468 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a53983ecd/ce67c266ad32463eb37f23ae3db65ecb/FLAGef68fd051 [2023-11-23 16:00:49,480 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a53983ecd/ce67c266ad32463eb37f23ae3db65ecb [2023-11-23 16:00:49,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 16:00:49,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 16:00:49,484 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 16:00:49,484 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 16:00:49,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 16:00:49,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:00:49" (1/1) ... [2023-11-23 16:00:49,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24ffbcfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:49, skipping insertion in model container [2023-11-23 16:00:49,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:00:49" (1/1) ... [2023-11-23 16:00:49,600 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 16:00:49,935 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3504] [2023-11-23 16:00:49,937 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name readpages at C: (*readpages)(struct file___0 *filp , struct address_space___0 *mapping , struct list_head *pages , unsigned int nr_pages ) [3506-3507] [2023-11-23 16:00:49,938 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name write_begin at C: (*write_begin)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int flags , struct page **pagep , void **fsdata ) [3508-3510] [2023-11-23 16:00:49,938 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name write_end at C: (*write_end)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int copied , struct page *page , void *fsdata ) [3511-3512] [2023-11-23 16:00:49,939 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3513] [2023-11-23 16:00:49,940 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name get_xip_mem at C: (*get_xip_mem)(struct address_space___0 * , unsigned long , int , void ** , unsigned long * ) [3519-3520] [2023-11-23 16:00:49,941 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3521] [2023-11-23 16:00:49,941 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3524] [2023-11-23 16:00:49,947 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name lookup at C: *(*lookup)(struct tty_driver___0 *driver , struct inode___0 *inode , int idx ) [3838-3839] [2023-11-23 16:00:49,948 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name install at C: (*install)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3840] [2023-11-23 16:00:49,948 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name remove at C: (*remove)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3841] [2023-11-23 16:00:49,949 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name poll_init at C: (*poll_init)(struct tty_driver___0 *driver , int line , char *options ) [3872] [2023-11-23 16:00:49,950 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name poll_get_char at C: (*poll_get_char)(struct tty_driver___0 *driver , int line ) [3873] [2023-11-23 16:00:49,951 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name poll_put_char at C: (*poll_put_char)(struct tty_driver___0 *driver , int line , char ch ) [3874] [2023-11-23 16:00:49,954 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3934] [2023-11-23 16:00:49,954 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3935] [2023-11-23 16:00:49,955 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3936] [2023-11-23 16:00:49,955 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3937] [2023-11-23 16:00:49,955 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3938] [2023-11-23 16:00:49,955 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3939] [2023-11-23 16:00:50,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 16:00:50,315 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 16:00:50,386 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3504] [2023-11-23 16:00:50,386 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name readpages at C: (*readpages)(struct file___0 *filp , struct address_space___0 *mapping , struct list_head *pages , unsigned int nr_pages ) [3506-3507] [2023-11-23 16:00:50,386 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name write_begin at C: (*write_begin)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int flags , struct page **pagep , void **fsdata ) [3508-3510] [2023-11-23 16:00:50,387 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name write_end at C: (*write_end)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int copied , struct page *page , void *fsdata ) [3511-3512] [2023-11-23 16:00:50,387 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3513] [2023-11-23 16:00:50,388 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name get_xip_mem at C: (*get_xip_mem)(struct address_space___0 * , unsigned long , int , void ** , unsigned long * ) [3519-3520] [2023-11-23 16:00:50,388 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3521] [2023-11-23 16:00:50,388 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3524] [2023-11-23 16:00:50,392 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name lookup at C: *(*lookup)(struct tty_driver___0 *driver , struct inode___0 *inode , int idx ) [3838-3839] [2023-11-23 16:00:50,393 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name install at C: (*install)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3840] [2023-11-23 16:00:50,393 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name remove at C: (*remove)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3841] [2023-11-23 16:00:50,394 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name poll_init at C: (*poll_init)(struct tty_driver___0 *driver , int line , char *options ) [3872] [2023-11-23 16:00:50,395 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name poll_get_char at C: (*poll_get_char)(struct tty_driver___0 *driver , int line ) [3873] [2023-11-23 16:00:50,395 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name poll_put_char at C: (*poll_put_char)(struct tty_driver___0 *driver , int line , char ch ) [3874] [2023-11-23 16:00:50,395 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3934] [2023-11-23 16:00:50,396 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3935] [2023-11-23 16:00:50,396 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3936] [2023-11-23 16:00:50,396 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3937] [2023-11-23 16:00:50,396 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3938] [2023-11-23 16:00:50,397 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3939] [2023-11-23 16:00:50,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 16:00:50,585 WARN L675 CHandler]: The function kmem_cache_alloc_notrace is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 16:00:50,591 INFO L206 MainTranslator]: Completed translation [2023-11-23 16:00:50,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:50 WrapperNode [2023-11-23 16:00:50,592 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 16:00:50,593 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 16:00:50,593 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 16:00:50,593 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 16:00:50,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:50" (1/1) ... [2023-11-23 16:00:50,632 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:50" (1/1) ... [2023-11-23 16:00:50,701 INFO L138 Inliner]: procedures = 98, calls = 1035, calls flagged for inlining = 46, calls inlined = 44, statements flattened = 1999 [2023-11-23 16:00:50,702 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 16:00:50,703 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 16:00:50,703 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 16:00:50,703 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 16:00:50,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:50" (1/1) ... [2023-11-23 16:00:50,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:50" (1/1) ... [2023-11-23 16:00:50,731 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:50" (1/1) ... [2023-11-23 16:00:50,772 INFO L175 MemorySlicer]: Split 865 memory accesses to 15 slices as follows [3, 3, 2, 1, 1, 3, 8, 64, 6, 18, 2, 2, 5, 0, 747]. 86 percent of accesses are in the largest equivalence class. The 821 initializations are split as follows [0, 0, 2, 0, 0, 0, 8, 64, 0, 0, 0, 0, 0, 0, 747]. The 4 writes are split as follows [0, 0, 0, 0, 0, 1, 0, 0, 0, 2, 1, 0, 0, 0, 0]. [2023-11-23 16:00:50,772 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:50" (1/1) ... [2023-11-23 16:00:50,772 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:50" (1/1) ... [2023-11-23 16:00:50,801 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:50" (1/1) ... [2023-11-23 16:00:50,808 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:50" (1/1) ... [2023-11-23 16:00:50,818 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:50" (1/1) ... [2023-11-23 16:00:50,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:50" (1/1) ... [2023-11-23 16:00:50,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 16:00:50,861 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 16:00:50,862 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 16:00:50,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 16:00:50,863 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:50" (1/1) ... [2023-11-23 16:00:50,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 16:00:50,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:00:50,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 16:00:50,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 16:00:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2023-11-23 16:00:51,023 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2023-11-23 16:00:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 16:00:51,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 16:00:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 16:00:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 16:00:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-23 16:00:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-23 16:00:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-23 16:00:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-23 16:00:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-23 16:00:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-23 16:00:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-23 16:00:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-23 16:00:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-23 16:00:51,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-23 16:00:51,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-23 16:00:51,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-23 16:00:51,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-23 16:00:51,025 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2023-11-23 16:00:51,025 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2023-11-23 16:00:51,025 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-23 16:00:51,025 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-23 16:00:51,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 16:00:51,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 16:00:51,026 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 16:00:51,026 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 16:00:51,026 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2023-11-23 16:00:51,026 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2023-11-23 16:00:51,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 16:00:51,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 16:00:51,026 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2023-11-23 16:00:51,027 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2023-11-23 16:00:51,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-23 16:00:51,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-23 16:00:51,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-23 16:00:51,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-23 16:00:51,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-23 16:00:51,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-23 16:00:51,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-23 16:00:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-23 16:00:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-23 16:00:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-23 16:00:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-23 16:00:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-23 16:00:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-23 16:00:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-23 16:00:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-23 16:00:51,030 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-23 16:00:51,030 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-23 16:00:51,030 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-23 16:00:51,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-23 16:00:51,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-23 16:00:51,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-23 16:00:51,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-23 16:00:51,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-23 16:00:51,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-23 16:00:51,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-23 16:00:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-23 16:00:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-23 16:00:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-23 16:00:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-23 16:00:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-23 16:00:51,032 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2023-11-23 16:00:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2023-11-23 16:00:51,032 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 16:00:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 16:00:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 16:00:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2023-11-23 16:00:51,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2023-11-23 16:00:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2023-11-23 16:00:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 16:00:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-23 16:00:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-23 16:00:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-23 16:00:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-23 16:00:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-23 16:00:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-23 16:00:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-23 16:00:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-23 16:00:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-23 16:00:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-23 16:00:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-23 16:00:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-23 16:00:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-23 16:00:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-23 16:00:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-23 16:00:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 16:00:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-23 16:00:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-23 16:00:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-23 16:00:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-23 16:00:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-23 16:00:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-23 16:00:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-23 16:00:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-23 16:00:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-23 16:00:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-23 16:00:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-23 16:00:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-23 16:00:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-23 16:00:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-23 16:00:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-23 16:00:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2023-11-23 16:00:51,038 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2023-11-23 16:00:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2023-11-23 16:00:51,038 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2023-11-23 16:00:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 16:00:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-23 16:00:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-23 16:00:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-23 16:00:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-23 16:00:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-23 16:00:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-23 16:00:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-23 16:00:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-23 16:00:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-23 16:00:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-23 16:00:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-23 16:00:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-23 16:00:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-23 16:00:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-23 16:00:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-23 16:00:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2023-11-23 16:00:51,040 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2023-11-23 16:00:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 16:00:51,041 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 16:00:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 16:00:51,041 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 16:00:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2023-11-23 16:00:51,041 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2023-11-23 16:00:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2023-11-23 16:00:51,041 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2023-11-23 16:00:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2023-11-23 16:00:51,041 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2023-11-23 16:00:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 16:00:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 16:00:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-23 16:00:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-23 16:00:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-23 16:00:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-23 16:00:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-23 16:00:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-23 16:00:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-23 16:00:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-23 16:00:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-23 16:00:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-23 16:00:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-23 16:00:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-23 16:00:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-23 16:00:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2023-11-23 16:00:51,043 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2023-11-23 16:00:51,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 16:00:51,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 16:00:51,044 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2023-11-23 16:00:51,044 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2023-11-23 16:00:51,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 16:00:51,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 16:00:51,413 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 16:00:51,416 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 16:00:51,466 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 16:00:51,696 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2023-11-23 16:00:53,346 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 16:00:53,625 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 16:00:53,640 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 16:00:53,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:00:53 BoogieIcfgContainer [2023-11-23 16:00:53,641 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 16:00:53,642 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 16:00:53,643 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 16:00:53,645 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 16:00:53,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:00:49" (1/3) ... [2023-11-23 16:00:53,646 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa93981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:00:53, skipping insertion in model container [2023-11-23 16:00:53,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:50" (2/3) ... [2023-11-23 16:00:53,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa93981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:00:53, skipping insertion in model container [2023-11-23 16:00:53,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:00:53" (3/3) ... [2023-11-23 16:00:53,649 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2023-11-23 16:00:53,662 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 16:00:53,676 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-11-23 16:00:53,759 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 16:00:53,773 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;@7be319f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 16:00:53,774 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-11-23 16:00:53,779 INFO L276 IsEmpty]: Start isEmpty. Operand has 407 states, 297 states have (on average 1.5656565656565657) internal successors, (465), 317 states have internal predecessors, (465), 74 states have call successors, (74), 25 states have call predecessors, (74), 23 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-11-23 16:00:53,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 16:00:53,786 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 16:00:53,787 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 16:00:53,787 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 16:00:53,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:00:53,791 INFO L85 PathProgramCache]: Analyzing trace with hash 92554759, now seen corresponding path program 1 times [2023-11-23 16:00:53,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:00:53,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216730911] [2023-11-23 16:00:53,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:00:53,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:00:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:54,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 16:00:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:54,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 16:00:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:54,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 16:00:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:54,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 16:00:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:54,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 16:00:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:54,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 16:00:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:54,477 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 16:00:54,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 16:00:54,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216730911] [2023-11-23 16:00:54,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216730911] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 16:00:54,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 16:00:54,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 16:00:54,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173844722] [2023-11-23 16:00:54,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 16:00:54,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 16:00:54,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 16:00:54,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 16:00:54,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 16:00:54,512 INFO L87 Difference]: Start difference. First operand has 407 states, 297 states have (on average 1.5656565656565657) internal successors, (465), 317 states have internal predecessors, (465), 74 states have call successors, (74), 25 states have call predecessors, (74), 23 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-23 16:00:55,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 16:00:55,535 INFO L93 Difference]: Finished difference Result 1041 states and 1571 transitions. [2023-11-23 16:00:55,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 16:00:55,537 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 46 [2023-11-23 16:00:55,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 16:00:55,548 INFO L225 Difference]: With dead ends: 1041 [2023-11-23 16:00:55,548 INFO L226 Difference]: Without dead ends: 613 [2023-11-23 16:00:55,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-11-23 16:00:55,554 INFO L413 NwaCegarLoop]: 559 mSDtfsCounter, 569 mSDsluCounter, 1882 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 338 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 2441 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 338 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 16:00:55,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 2441 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [338 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 16:00:55,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2023-11-23 16:00:55,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 597. [2023-11-23 16:00:55,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 435 states have (on average 1.4896551724137932) internal successors, (648), 448 states have internal predecessors, (648), 116 states have call successors, (116), 36 states have call predecessors, (116), 36 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2023-11-23 16:00:55,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 880 transitions. [2023-11-23 16:00:55,617 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 880 transitions. Word has length 46 [2023-11-23 16:00:55,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 16:00:55,617 INFO L495 AbstractCegarLoop]: Abstraction has 597 states and 880 transitions. [2023-11-23 16:00:55,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-23 16:00:55,618 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 880 transitions. [2023-11-23 16:00:55,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 16:00:55,620 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 16:00:55,620 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 16:00:55,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 16:00:55,621 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 16:00:55,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:00:55,621 INFO L85 PathProgramCache]: Analyzing trace with hash 511089042, now seen corresponding path program 1 times [2023-11-23 16:00:55,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:00:55,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386576327] [2023-11-23 16:00:55,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:00:55,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:00:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:55,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 16:00:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:55,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 16:00:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:55,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 16:00:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:55,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 16:00:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:55,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 16:00:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:55,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 16:00:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:55,982 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 16:00:55,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 16:00:55,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386576327] [2023-11-23 16:00:55,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386576327] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 16:00:55,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 16:00:55,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 16:00:55,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919566987] [2023-11-23 16:00:55,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 16:00:55,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 16:00:55,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 16:00:55,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 16:00:55,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 16:00:55,985 INFO L87 Difference]: Start difference. First operand 597 states and 880 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-23 16:00:56,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 16:00:56,614 INFO L93 Difference]: Finished difference Result 1297 states and 1906 transitions. [2023-11-23 16:00:56,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 16:00:56,615 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 50 [2023-11-23 16:00:56,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 16:00:56,618 INFO L225 Difference]: With dead ends: 1297 [2023-11-23 16:00:56,618 INFO L226 Difference]: Without dead ends: 721 [2023-11-23 16:00:56,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-11-23 16:00:56,620 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 316 mSDsluCounter, 1168 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 1594 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 16:00:56,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 1594 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 16:00:56,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2023-11-23 16:00:56,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 697. [2023-11-23 16:00:56,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 697 states, 521 states have (on average 1.493282149712092) internal successors, (778), 534 states have internal predecessors, (778), 123 states have call successors, (123), 43 states have call predecessors, (123), 43 states have return successors, (123), 123 states have call predecessors, (123), 123 states have call successors, (123) [2023-11-23 16:00:56,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 1024 transitions. [2023-11-23 16:00:56,646 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 1024 transitions. Word has length 50 [2023-11-23 16:00:56,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 16:00:56,647 INFO L495 AbstractCegarLoop]: Abstraction has 697 states and 1024 transitions. [2023-11-23 16:00:56,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-23 16:00:56,647 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1024 transitions. [2023-11-23 16:00:56,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 16:00:56,648 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 16:00:56,649 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 16:00:56,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 16:00:56,649 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 16:00:56,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:00:56,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1472874174, now seen corresponding path program 1 times [2023-11-23 16:00:56,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:00:56,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254279584] [2023-11-23 16:00:56,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:00:56,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:00:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:56,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 16:00:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:56,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 16:00:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:56,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 16:00:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:56,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 16:00:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:56,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 16:00:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:56,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 16:00:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:56,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 16:00:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:56,952 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 16:00:56,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 16:00:56,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254279584] [2023-11-23 16:00:56,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254279584] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 16:00:56,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 16:00:56,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 16:00:56,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035407362] [2023-11-23 16:00:56,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 16:00:56,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 16:00:56,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 16:00:56,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 16:00:56,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-23 16:00:56,954 INFO L87 Difference]: Start difference. First operand 697 states and 1024 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 16:00:57,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 16:00:57,682 INFO L93 Difference]: Finished difference Result 1907 states and 2901 transitions. [2023-11-23 16:00:57,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 16:00:57,682 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 64 [2023-11-23 16:00:57,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 16:00:57,687 INFO L225 Difference]: With dead ends: 1907 [2023-11-23 16:00:57,687 INFO L226 Difference]: Without dead ends: 1247 [2023-11-23 16:00:57,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2023-11-23 16:00:57,689 INFO L413 NwaCegarLoop]: 700 mSDtfsCounter, 927 mSDsluCounter, 2004 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 328 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 999 SdHoareTripleChecker+Valid, 2704 SdHoareTripleChecker+Invalid, 1026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 328 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 16:00:57,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [999 Valid, 2704 Invalid, 1026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [328 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 16:00:57,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1247 states. [2023-11-23 16:00:57,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1247 to 685. [2023-11-23 16:00:57,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 511 states have (on average 1.4931506849315068) internal successors, (763), 525 states have internal predecessors, (763), 122 states have call successors, (122), 42 states have call predecessors, (122), 42 states have return successors, (122), 121 states have call predecessors, (122), 122 states have call successors, (122) [2023-11-23 16:00:57,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 1007 transitions. [2023-11-23 16:00:57,721 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 1007 transitions. Word has length 64 [2023-11-23 16:00:57,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 16:00:57,722 INFO L495 AbstractCegarLoop]: Abstraction has 685 states and 1007 transitions. [2023-11-23 16:00:57,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 16:00:57,722 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1007 transitions. [2023-11-23 16:00:57,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-23 16:00:57,724 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 16:00:57,724 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 16:00:57,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 16:00:57,724 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 16:00:57,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:00:57,725 INFO L85 PathProgramCache]: Analyzing trace with hash 212200011, now seen corresponding path program 1 times [2023-11-23 16:00:57,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:00:57,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301098800] [2023-11-23 16:00:57,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:00:57,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:00:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:57,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 16:00:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:57,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 16:00:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:57,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 16:00:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:57,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 16:00:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:57,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 16:00:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:57,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 16:00:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:57,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 16:00:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:57,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-23 16:00:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:57,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-23 16:00:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:57,997 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-23 16:00:57,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 16:00:57,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301098800] [2023-11-23 16:00:57,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301098800] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 16:00:57,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 16:00:57,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 16:00:57,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266276988] [2023-11-23 16:00:57,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 16:00:57,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 16:00:57,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 16:00:57,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 16:00:57,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 16:00:57,999 INFO L87 Difference]: Start difference. First operand 685 states and 1007 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-23 16:00:58,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 16:00:58,633 INFO L93 Difference]: Finished difference Result 1535 states and 2294 transitions. [2023-11-23 16:00:58,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 16:00:58,634 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 79 [2023-11-23 16:00:58,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 16:00:58,637 INFO L225 Difference]: With dead ends: 1535 [2023-11-23 16:00:58,637 INFO L226 Difference]: Without dead ends: 887 [2023-11-23 16:00:58,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-11-23 16:00:58,639 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 395 mSDsluCounter, 1341 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 1768 SdHoareTripleChecker+Invalid, 1008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 16:00:58,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 1768 Invalid, 1008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 16:00:58,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2023-11-23 16:00:58,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 836. [2023-11-23 16:00:58,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 655 states have (on average 1.4732824427480915) internal successors, (965), 669 states have internal predecessors, (965), 124 states have call successors, (124), 47 states have call predecessors, (124), 47 states have return successors, (124), 123 states have call predecessors, (124), 124 states have call successors, (124) [2023-11-23 16:00:58,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1213 transitions. [2023-11-23 16:00:58,664 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1213 transitions. Word has length 79 [2023-11-23 16:00:58,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 16:00:58,664 INFO L495 AbstractCegarLoop]: Abstraction has 836 states and 1213 transitions. [2023-11-23 16:00:58,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-23 16:00:58,664 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1213 transitions. [2023-11-23 16:00:58,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-23 16:00:58,666 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 16:00:58,666 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 16:00:58,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 16:00:58,666 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 16:00:58,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:00:58,667 INFO L85 PathProgramCache]: Analyzing trace with hash 274006149, now seen corresponding path program 1 times [2023-11-23 16:00:58,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:00:58,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567185909] [2023-11-23 16:00:58,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:00:58,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:00:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:58,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 16:00:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:58,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 16:00:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:58,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 16:00:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:58,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 16:00:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:58,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 16:00:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:58,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 16:00:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:58,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 16:00:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:58,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 16:00:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:58,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 16:00:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:59,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 16:00:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:00:59,008 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-23 16:00:59,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 16:00:59,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567185909] [2023-11-23 16:00:59,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567185909] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 16:00:59,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 16:00:59,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 16:00:59,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180885720] [2023-11-23 16:00:59,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 16:00:59,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 16:00:59,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 16:00:59,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 16:00:59,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 16:00:59,010 INFO L87 Difference]: Start difference. First operand 836 states and 1213 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-23 16:01:00,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 16:01:00,000 INFO L93 Difference]: Finished difference Result 1327 states and 1890 transitions. [2023-11-23 16:01:00,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 16:01:00,001 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 82 [2023-11-23 16:01:00,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 16:01:00,007 INFO L225 Difference]: With dead ends: 1327 [2023-11-23 16:01:00,007 INFO L226 Difference]: Without dead ends: 1319 [2023-11-23 16:01:00,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-11-23 16:01:00,008 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 459 mSDsluCounter, 1494 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 1911 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 16:01:00,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 1911 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 16:01:00,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2023-11-23 16:01:00,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1291. [2023-11-23 16:01:00,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1291 states, 1022 states have (on average 1.4305283757338552) internal successors, (1462), 1041 states have internal predecessors, (1462), 188 states have call successors, (188), 71 states have call predecessors, (188), 71 states have return successors, (188), 186 states have call predecessors, (188), 188 states have call successors, (188) [2023-11-23 16:01:00,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1291 states and 1838 transitions. [2023-11-23 16:01:00,084 INFO L78 Accepts]: Start accepts. Automaton has 1291 states and 1838 transitions. Word has length 82 [2023-11-23 16:01:00,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 16:01:00,084 INFO L495 AbstractCegarLoop]: Abstraction has 1291 states and 1838 transitions. [2023-11-23 16:01:00,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-23 16:01:00,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1838 transitions. [2023-11-23 16:01:00,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-23 16:01:00,086 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 16:01:00,086 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 16:01:00,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 16:01:00,087 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 16:01:00,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:01:00,087 INFO L85 PathProgramCache]: Analyzing trace with hash 608318654, now seen corresponding path program 1 times [2023-11-23 16:01:00,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:01:00,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148778405] [2023-11-23 16:01:00,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:01:00,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:01:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:00,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 16:01:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:00,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 16:01:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:00,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 16:01:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:00,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 16:01:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:00,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 16:01:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:00,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 16:01:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:00,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 16:01:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:00,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 16:01:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:00,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 16:01:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:00,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 16:01:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:00,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 16:01:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:00,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-23 16:01:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:00,413 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-11-23 16:01:00,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 16:01:00,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148778405] [2023-11-23 16:01:00,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148778405] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 16:01:00,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 16:01:00,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 16:01:00,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482987563] [2023-11-23 16:01:00,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 16:01:00,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 16:01:00,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 16:01:00,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 16:01:00,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 16:01:00,417 INFO L87 Difference]: Start difference. First operand 1291 states and 1838 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-23 16:01:01,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 16:01:01,342 INFO L93 Difference]: Finished difference Result 2922 states and 4198 transitions. [2023-11-23 16:01:01,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 16:01:01,343 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 93 [2023-11-23 16:01:01,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 16:01:01,348 INFO L225 Difference]: With dead ends: 2922 [2023-11-23 16:01:01,348 INFO L226 Difference]: Without dead ends: 1695 [2023-11-23 16:01:01,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-11-23 16:01:01,351 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 500 mSDsluCounter, 1957 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 2728 SdHoareTripleChecker+Invalid, 981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 16:01:01,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 2728 Invalid, 981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 16:01:01,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1695 states. [2023-11-23 16:01:01,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1695 to 1659. [2023-11-23 16:01:01,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1659 states, 1322 states have (on average 1.426626323751891) internal successors, (1886), 1343 states have internal predecessors, (1886), 239 states have call successors, (239), 88 states have call predecessors, (239), 88 states have return successors, (239), 237 states have call predecessors, (239), 239 states have call successors, (239) [2023-11-23 16:01:01,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 2364 transitions. [2023-11-23 16:01:01,397 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 2364 transitions. Word has length 93 [2023-11-23 16:01:01,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 16:01:01,397 INFO L495 AbstractCegarLoop]: Abstraction has 1659 states and 2364 transitions. [2023-11-23 16:01:01,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-23 16:01:01,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2364 transitions. [2023-11-23 16:01:01,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-23 16:01:01,399 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 16:01:01,399 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 16:01:01,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 16:01:01,399 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 16:01:01,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:01:01,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1983896074, now seen corresponding path program 1 times [2023-11-23 16:01:01,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:01:01,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83918474] [2023-11-23 16:01:01,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:01:01,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:01:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:01,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 16:01:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:01,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 16:01:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:01,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 16:01:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:01,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 16:01:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:01,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 16:01:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:01,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 16:01:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:01,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 16:01:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:01,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 16:01:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:01,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 16:01:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:01,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 16:01:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:01,640 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-23 16:01:01,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 16:01:01,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83918474] [2023-11-23 16:01:01,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83918474] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 16:01:01,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 16:01:01,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 16:01:01,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402249106] [2023-11-23 16:01:01,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 16:01:01,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 16:01:01,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 16:01:01,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 16:01:01,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 16:01:01,643 INFO L87 Difference]: Start difference. First operand 1659 states and 2364 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-23 16:01:02,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 16:01:02,619 INFO L93 Difference]: Finished difference Result 3266 states and 4711 transitions. [2023-11-23 16:01:02,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 16:01:02,620 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 92 [2023-11-23 16:01:02,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 16:01:02,626 INFO L225 Difference]: With dead ends: 3266 [2023-11-23 16:01:02,626 INFO L226 Difference]: Without dead ends: 2086 [2023-11-23 16:01:02,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-11-23 16:01:02,629 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 469 mSDsluCounter, 2562 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 3349 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 16:01:02,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [525 Valid, 3349 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 16:01:02,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2086 states. [2023-11-23 16:01:02,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2086 to 2046. [2023-11-23 16:01:02,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2046 states, 1635 states have (on average 1.4287461773700305) internal successors, (2336), 1658 states have internal predecessors, (2336), 292 states have call successors, (292), 109 states have call predecessors, (292), 109 states have return successors, (292), 290 states have call predecessors, (292), 292 states have call successors, (292) [2023-11-23 16:01:02,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2046 states to 2046 states and 2920 transitions. [2023-11-23 16:01:02,683 INFO L78 Accepts]: Start accepts. Automaton has 2046 states and 2920 transitions. Word has length 92 [2023-11-23 16:01:02,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 16:01:02,684 INFO L495 AbstractCegarLoop]: Abstraction has 2046 states and 2920 transitions. [2023-11-23 16:01:02,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-23 16:01:02,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2046 states and 2920 transitions. [2023-11-23 16:01:02,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-23 16:01:02,685 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 16:01:02,685 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 16:01:02,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 16:01:02,686 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 16:01:02,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:01:02,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1435972866, now seen corresponding path program 1 times [2023-11-23 16:01:02,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:01:02,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843732346] [2023-11-23 16:01:02,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:01:02,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:01:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:02,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 16:01:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:02,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 16:01:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:02,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 16:01:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:02,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 16:01:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:02,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 16:01:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:02,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 16:01:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:02,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 16:01:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:02,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 16:01:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:02,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 16:01:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:02,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 16:01:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:02,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-23 16:01:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:02,946 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-23 16:01:02,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 16:01:02,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843732346] [2023-11-23 16:01:02,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843732346] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 16:01:02,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137264170] [2023-11-23 16:01:02,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:01:02,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 16:01:02,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:01:02,965 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 16:01:02,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 16:01:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:03,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 2496 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 16:01:03,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 16:01:03,569 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-11-23 16:01:03,569 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 16:01:03,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137264170] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 16:01:03,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 16:01:03,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-11-23 16:01:03,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724273434] [2023-11-23 16:01:03,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 16:01:03,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 16:01:03,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 16:01:03,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 16:01:03,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-23 16:01:03,572 INFO L87 Difference]: Start difference. First operand 2046 states and 2920 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-23 16:01:04,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 16:01:04,077 INFO L93 Difference]: Finished difference Result 4645 states and 6657 transitions. [2023-11-23 16:01:04,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 16:01:04,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 97 [2023-11-23 16:01:04,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 16:01:04,109 INFO L225 Difference]: With dead ends: 4645 [2023-11-23 16:01:04,109 INFO L226 Difference]: Without dead ends: 4640 [2023-11-23 16:01:04,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-23 16:01:04,113 INFO L413 NwaCegarLoop]: 703 mSDtfsCounter, 963 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 963 SdHoareTripleChecker+Valid, 1402 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 16:01:04,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [963 Valid, 1402 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 16:01:04,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4640 states. [2023-11-23 16:01:04,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4640 to 4173. [2023-11-23 16:01:04,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4173 states, 3345 states have (on average 1.4325859491778774) internal successors, (4792), 3381 states have internal predecessors, (4792), 598 states have call successors, (598), 220 states have call predecessors, (598), 220 states have return successors, (598), 595 states have call predecessors, (598), 598 states have call successors, (598) [2023-11-23 16:01:04,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4173 states to 4173 states and 5988 transitions. [2023-11-23 16:01:04,290 INFO L78 Accepts]: Start accepts. Automaton has 4173 states and 5988 transitions. Word has length 97 [2023-11-23 16:01:04,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 16:01:04,291 INFO L495 AbstractCegarLoop]: Abstraction has 4173 states and 5988 transitions. [2023-11-23 16:01:04,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-23 16:01:04,291 INFO L276 IsEmpty]: Start isEmpty. Operand 4173 states and 5988 transitions. [2023-11-23 16:01:04,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-23 16:01:04,292 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 16:01:04,292 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 16:01:04,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 16:01:04,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 16:01:04,509 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 16:01:04,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:01:04,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1565484641, now seen corresponding path program 1 times [2023-11-23 16:01:04,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:01:04,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247864740] [2023-11-23 16:01:04,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:01:04,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:01:04,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:04,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 16:01:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:04,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 16:01:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:04,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 16:01:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:04,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 16:01:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:04,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 16:01:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:04,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 16:01:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:04,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 16:01:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:04,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 16:01:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:04,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 16:01:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:04,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 16:01:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:04,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-23 16:01:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:04,790 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-23 16:01:04,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 16:01:04,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247864740] [2023-11-23 16:01:04,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247864740] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 16:01:04,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808247503] [2023-11-23 16:01:04,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:01:04,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 16:01:04,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:01:04,792 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 16:01:04,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 16:01:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:05,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 2497 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 16:01:05,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 16:01:05,449 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 48 proven. 9 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-11-23 16:01:05,452 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 16:01:05,552 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-23 16:01:05,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808247503] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 16:01:05,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 16:01:05,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 3, 3] total 10 [2023-11-23 16:01:05,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232921122] [2023-11-23 16:01:05,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 16:01:05,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 16:01:05,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 16:01:05,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 16:01:05,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-23 16:01:05,556 INFO L87 Difference]: Start difference. First operand 4173 states and 5988 transitions. Second operand has 11 states, 10 states have (on average 12.6) internal successors, (126), 7 states have internal predecessors, (126), 6 states have call successors, (27), 7 states have call predecessors, (27), 3 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2023-11-23 16:01:06,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 16:01:06,894 INFO L93 Difference]: Finished difference Result 5861 states and 8367 transitions. [2023-11-23 16:01:06,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 16:01:06,894 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.6) internal successors, (126), 7 states have internal predecessors, (126), 6 states have call successors, (27), 7 states have call predecessors, (27), 3 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) Word has length 98 [2023-11-23 16:01:06,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 16:01:06,912 INFO L225 Difference]: With dead ends: 5861 [2023-11-23 16:01:06,912 INFO L226 Difference]: Without dead ends: 5856 [2023-11-23 16:01:06,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2023-11-23 16:01:06,915 INFO L413 NwaCegarLoop]: 405 mSDtfsCounter, 2094 mSDsluCounter, 2139 mSDsCounter, 0 mSdLazyCounter, 1128 mSolverCounterSat, 724 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2269 SdHoareTripleChecker+Valid, 2544 SdHoareTripleChecker+Invalid, 1852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 724 IncrementalHoareTripleChecker+Valid, 1128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-23 16:01:06,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2269 Valid, 2544 Invalid, 1852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [724 Valid, 1128 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-23 16:01:06,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5856 states. [2023-11-23 16:01:07,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5856 to 5353. [2023-11-23 16:01:07,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5353 states, 4297 states have (on average 1.419362345822667) internal successors, (6099), 4339 states have internal predecessors, (6099), 768 states have call successors, (768), 281 states have call predecessors, (768), 281 states have return successors, (768), 764 states have call predecessors, (768), 768 states have call successors, (768) [2023-11-23 16:01:07,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5353 states to 5353 states and 7635 transitions. [2023-11-23 16:01:07,063 INFO L78 Accepts]: Start accepts. Automaton has 5353 states and 7635 transitions. Word has length 98 [2023-11-23 16:01:07,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 16:01:07,063 INFO L495 AbstractCegarLoop]: Abstraction has 5353 states and 7635 transitions. [2023-11-23 16:01:07,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.6) internal successors, (126), 7 states have internal predecessors, (126), 6 states have call successors, (27), 7 states have call predecessors, (27), 3 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2023-11-23 16:01:07,063 INFO L276 IsEmpty]: Start isEmpty. Operand 5353 states and 7635 transitions. [2023-11-23 16:01:07,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-23 16:01:07,067 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 16:01:07,067 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 5, 5, 5, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 16:01:07,084 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-23 16:01:07,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-23 16:01:07,284 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 16:01:07,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:01:07,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1225144290, now seen corresponding path program 1 times [2023-11-23 16:01:07,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:01:07,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571072523] [2023-11-23 16:01:07,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:01:07,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:01:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:07,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 16:01:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:07,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 16:01:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:07,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 16:01:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:07,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 16:01:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:07,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 16:01:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:07,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 16:01:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:07,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 16:01:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:07,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 16:01:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:07,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 16:01:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:07,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 16:01:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:07,537 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-23 16:01:07,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 16:01:07,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571072523] [2023-11-23 16:01:07,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571072523] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 16:01:07,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 16:01:07,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 16:01:07,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188424694] [2023-11-23 16:01:07,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 16:01:07,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 16:01:07,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 16:01:07,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 16:01:07,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 16:01:07,539 INFO L87 Difference]: Start difference. First operand 5353 states and 7635 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-23 16:01:08,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 16:01:08,421 INFO L93 Difference]: Finished difference Result 10037 states and 14317 transitions. [2023-11-23 16:01:08,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 16:01:08,422 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 123 [2023-11-23 16:01:08,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 16:01:08,437 INFO L225 Difference]: With dead ends: 10037 [2023-11-23 16:01:08,438 INFO L226 Difference]: Without dead ends: 5090 [2023-11-23 16:01:08,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-11-23 16:01:08,446 INFO L413 NwaCegarLoop]: 784 mSDtfsCounter, 464 mSDsluCounter, 2550 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 3334 SdHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 16:01:08,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [520 Valid, 3334 Invalid, 1103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 16:01:08,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5090 states. [2023-11-23 16:01:08,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5090 to 5011. [2023-11-23 16:01:08,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5011 states, 4026 states have (on average 1.4063586686537506) internal successors, (5662), 4066 states have internal predecessors, (5662), 715 states have call successors, (715), 263 states have call predecessors, (715), 263 states have return successors, (715), 711 states have call predecessors, (715), 715 states have call successors, (715) [2023-11-23 16:01:08,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5011 states to 5011 states and 7092 transitions. [2023-11-23 16:01:08,605 INFO L78 Accepts]: Start accepts. Automaton has 5011 states and 7092 transitions. Word has length 123 [2023-11-23 16:01:08,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 16:01:08,605 INFO L495 AbstractCegarLoop]: Abstraction has 5011 states and 7092 transitions. [2023-11-23 16:01:08,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-23 16:01:08,606 INFO L276 IsEmpty]: Start isEmpty. Operand 5011 states and 7092 transitions. [2023-11-23 16:01:08,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-23 16:01:08,610 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 16:01:08,611 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 4, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 16:01:08,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-23 16:01:08,611 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 16:01:08,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:01:08,612 INFO L85 PathProgramCache]: Analyzing trace with hash 305646629, now seen corresponding path program 1 times [2023-11-23 16:01:08,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:01:08,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490686211] [2023-11-23 16:01:08,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:01:08,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:01:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:08,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 16:01:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:08,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 16:01:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:08,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 16:01:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:08,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 16:01:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:08,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 16:01:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:08,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 16:01:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:08,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 16:01:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:08,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 16:01:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:08,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 16:01:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:08,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 16:01:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:08,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 16:01:08,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:08,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-23 16:01:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:08,959 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-23 16:01:08,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 16:01:08,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490686211] [2023-11-23 16:01:08,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490686211] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 16:01:08,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 16:01:08,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 16:01:08,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017411495] [2023-11-23 16:01:08,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 16:01:08,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 16:01:08,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 16:01:08,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 16:01:08,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-23 16:01:08,961 INFO L87 Difference]: Start difference. First operand 5011 states and 7092 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 16:01:09,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 16:01:09,882 INFO L93 Difference]: Finished difference Result 13292 states and 18668 transitions. [2023-11-23 16:01:09,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 16:01:09,883 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 136 [2023-11-23 16:01:09,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 16:01:09,908 INFO L225 Difference]: With dead ends: 13292 [2023-11-23 16:01:09,911 INFO L226 Difference]: Without dead ends: 8345 [2023-11-23 16:01:09,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2023-11-23 16:01:09,921 INFO L413 NwaCegarLoop]: 691 mSDtfsCounter, 555 mSDsluCounter, 2361 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 3052 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 278 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 16:01:09,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 3052 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [278 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 16:01:09,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8345 states. [2023-11-23 16:01:10,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8345 to 5041. [2023-11-23 16:01:10,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5041 states, 4056 states have (on average 1.403353057199211) internal successors, (5692), 4096 states have internal predecessors, (5692), 715 states have call successors, (715), 263 states have call predecessors, (715), 263 states have return successors, (715), 711 states have call predecessors, (715), 715 states have call successors, (715) [2023-11-23 16:01:10,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5041 states to 5041 states and 7122 transitions. [2023-11-23 16:01:10,221 INFO L78 Accepts]: Start accepts. Automaton has 5041 states and 7122 transitions. Word has length 136 [2023-11-23 16:01:10,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 16:01:10,221 INFO L495 AbstractCegarLoop]: Abstraction has 5041 states and 7122 transitions. [2023-11-23 16:01:10,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 16:01:10,236 INFO L276 IsEmpty]: Start isEmpty. Operand 5041 states and 7122 transitions. [2023-11-23 16:01:10,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-23 16:01:10,241 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 16:01:10,242 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 4, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 16:01:10,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-23 16:01:10,243 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 16:01:10,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:01:10,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1774062585, now seen corresponding path program 1 times [2023-11-23 16:01:10,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:01:10,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16467331] [2023-11-23 16:01:10,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:01:10,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:01:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:10,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 16:01:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:10,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 16:01:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:10,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 16:01:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:10,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 16:01:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:10,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 16:01:10,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:10,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 16:01:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:10,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 16:01:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:10,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 16:01:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:10,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 16:01:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:10,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 16:01:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:10,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 16:01:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:10,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 16:01:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:10,756 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-23 16:01:10,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 16:01:10,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16467331] [2023-11-23 16:01:10,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16467331] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 16:01:10,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976264426] [2023-11-23 16:01:10,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:01:10,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 16:01:10,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:01:10,773 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 16:01:10,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 16:01:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:11,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 2703 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 16:01:11,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 16:01:11,333 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-23 16:01:11,333 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 16:01:11,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976264426] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 16:01:11,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 16:01:11,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 12 [2023-11-23 16:01:11,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112757907] [2023-11-23 16:01:11,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 16:01:11,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 16:01:11,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 16:01:11,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 16:01:11,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-23 16:01:11,335 INFO L87 Difference]: Start difference. First operand 5041 states and 7122 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-23 16:01:11,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 16:01:11,868 INFO L93 Difference]: Finished difference Result 13396 states and 18700 transitions. [2023-11-23 16:01:11,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 16:01:11,868 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 140 [2023-11-23 16:01:11,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 16:01:11,895 INFO L225 Difference]: With dead ends: 13396 [2023-11-23 16:01:11,896 INFO L226 Difference]: Without dead ends: 8419 [2023-11-23 16:01:11,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2023-11-23 16:01:11,906 INFO L413 NwaCegarLoop]: 710 mSDtfsCounter, 498 mSDsluCounter, 1518 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 2228 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 16:01:11,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 2228 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 16:01:11,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8419 states. [2023-11-23 16:01:12,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8419 to 5086. [2023-11-23 16:01:12,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5086 states, 4101 states have (on average 1.398927090953426) internal successors, (5737), 4111 states have internal predecessors, (5737), 715 states have call successors, (715), 263 states have call predecessors, (715), 263 states have return successors, (715), 711 states have call predecessors, (715), 715 states have call successors, (715) [2023-11-23 16:01:12,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5086 states to 5086 states and 7167 transitions. [2023-11-23 16:01:12,096 INFO L78 Accepts]: Start accepts. Automaton has 5086 states and 7167 transitions. Word has length 140 [2023-11-23 16:01:12,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 16:01:12,096 INFO L495 AbstractCegarLoop]: Abstraction has 5086 states and 7167 transitions. [2023-11-23 16:01:12,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-23 16:01:12,097 INFO L276 IsEmpty]: Start isEmpty. Operand 5086 states and 7167 transitions. [2023-11-23 16:01:12,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-23 16:01:12,103 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 16:01:12,103 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 4, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 16:01:12,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 16:01:12,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 16:01:12,316 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 16:01:12,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:01:12,317 INFO L85 PathProgramCache]: Analyzing trace with hash 2140919181, now seen corresponding path program 1 times [2023-11-23 16:01:12,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:01:12,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516020024] [2023-11-23 16:01:12,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:01:12,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:01:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:12,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 16:01:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:12,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 16:01:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:12,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 16:01:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:12,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 16:01:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:12,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 16:01:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:12,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 16:01:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:12,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 16:01:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:12,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 16:01:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:12,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 16:01:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:12,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 16:01:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:12,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 16:01:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:12,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 16:01:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:12,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-23 16:01:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:12,719 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-23 16:01:12,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 16:01:12,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516020024] [2023-11-23 16:01:12,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516020024] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 16:01:12,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695509389] [2023-11-23 16:01:12,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:01:12,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 16:01:12,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:01:12,736 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 16:01:12,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 16:01:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:13,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 2728 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 16:01:13,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 16:01:13,366 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 58 proven. 21 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-23 16:01:13,366 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 16:01:13,520 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-23 16:01:13,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695509389] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 16:01:13,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 16:01:13,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2023-11-23 16:01:13,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325887486] [2023-11-23 16:01:13,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 16:01:13,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-23 16:01:13,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 16:01:13,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-23 16:01:13,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2023-11-23 16:01:13,528 INFO L87 Difference]: Start difference. First operand 5086 states and 7167 transitions. Second operand has 13 states, 12 states have (on average 18.75) internal successors, (225), 9 states have internal predecessors, (225), 6 states have call successors, (33), 7 states have call predecessors, (33), 3 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2023-11-23 16:01:16,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 16:01:16,366 INFO L93 Difference]: Finished difference Result 16872 states and 23911 transitions. [2023-11-23 16:01:16,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-23 16:01:16,366 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 18.75) internal successors, (225), 9 states have internal predecessors, (225), 6 states have call successors, (33), 7 states have call predecessors, (33), 3 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) Word has length 149 [2023-11-23 16:01:16,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 16:01:16,408 INFO L225 Difference]: With dead ends: 16872 [2023-11-23 16:01:16,408 INFO L226 Difference]: Without dead ends: 16870 [2023-11-23 16:01:16,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 331 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=267, Invalid=545, Unknown=0, NotChecked=0, Total=812 [2023-11-23 16:01:16,416 INFO L413 NwaCegarLoop]: 405 mSDtfsCounter, 4517 mSDsluCounter, 2413 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 1992 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4862 SdHoareTripleChecker+Valid, 2818 SdHoareTripleChecker+Invalid, 3350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1992 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-23 16:01:16,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4862 Valid, 2818 Invalid, 3350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1992 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-23 16:01:16,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16870 states. [2023-11-23 16:01:17,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16870 to 15650. [2023-11-23 16:01:17,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15650 states, 12658 states have (on average 1.4077263390741033) internal successors, (17819), 12675 states have internal predecessors, (17819), 2190 states have call successors, (2190), 795 states have call predecessors, (2190), 795 states have return successors, (2190), 2179 states have call predecessors, (2190), 2190 states have call successors, (2190) [2023-11-23 16:01:17,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15650 states to 15650 states and 22199 transitions. [2023-11-23 16:01:17,089 INFO L78 Accepts]: Start accepts. Automaton has 15650 states and 22199 transitions. Word has length 149 [2023-11-23 16:01:17,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 16:01:17,090 INFO L495 AbstractCegarLoop]: Abstraction has 15650 states and 22199 transitions. [2023-11-23 16:01:17,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 18.75) internal successors, (225), 9 states have internal predecessors, (225), 6 states have call successors, (33), 7 states have call predecessors, (33), 3 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2023-11-23 16:01:17,090 INFO L276 IsEmpty]: Start isEmpty. Operand 15650 states and 22199 transitions. [2023-11-23 16:01:17,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-23 16:01:17,096 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 16:01:17,096 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 4, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 16:01:17,112 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-23 16:01:17,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 16:01:17,311 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 16:01:17,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:01:17,312 INFO L85 PathProgramCache]: Analyzing trace with hash -183310368, now seen corresponding path program 1 times [2023-11-23 16:01:17,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:01:17,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441700496] [2023-11-23 16:01:17,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:01:17,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:01:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:17,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 16:01:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:17,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 16:01:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:17,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 16:01:17,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:17,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 16:01:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:17,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 16:01:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:17,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 16:01:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:17,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 16:01:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:17,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 16:01:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:17,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 16:01:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:17,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 16:01:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:17,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 16:01:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:17,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 16:01:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:17,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 16:01:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:17,532 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-23 16:01:17,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 16:01:17,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441700496] [2023-11-23 16:01:17,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441700496] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 16:01:17,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 16:01:17,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 16:01:17,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137297645] [2023-11-23 16:01:17,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 16:01:17,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 16:01:17,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 16:01:17,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 16:01:17,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-23 16:01:17,534 INFO L87 Difference]: Start difference. First operand 15650 states and 22199 transitions. Second operand has 8 states, 7 states have (on average 14.714285714285714) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-23 16:01:19,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 16:01:19,124 INFO L93 Difference]: Finished difference Result 20334 states and 28678 transitions. [2023-11-23 16:01:19,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 16:01:19,125 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.714285714285714) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 162 [2023-11-23 16:01:19,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 16:01:19,162 INFO L225 Difference]: With dead ends: 20334 [2023-11-23 16:01:19,162 INFO L226 Difference]: Without dead ends: 20329 [2023-11-23 16:01:19,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2023-11-23 16:01:19,167 INFO L413 NwaCegarLoop]: 405 mSDtfsCounter, 1371 mSDsluCounter, 1115 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 626 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 1520 SdHoareTripleChecker+Invalid, 1178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 626 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-23 16:01:19,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1503 Valid, 1520 Invalid, 1178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [626 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-23 16:01:19,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20329 states. [2023-11-23 16:01:19,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20329 to 17355. [2023-11-23 16:01:19,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17355 states, 14035 states have (on average 1.4022087638047738) internal successors, (19680), 14050 states have internal predecessors, (19680), 2436 states have call successors, (2436), 879 states have call predecessors, (2436), 879 states have return successors, (2436), 2425 states have call predecessors, (2436), 2436 states have call successors, (2436) [2023-11-23 16:01:19,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17355 states to 17355 states and 24552 transitions. [2023-11-23 16:01:19,929 INFO L78 Accepts]: Start accepts. Automaton has 17355 states and 24552 transitions. Word has length 162 [2023-11-23 16:01:19,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 16:01:19,930 INFO L495 AbstractCegarLoop]: Abstraction has 17355 states and 24552 transitions. [2023-11-23 16:01:19,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.714285714285714) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-23 16:01:19,930 INFO L276 IsEmpty]: Start isEmpty. Operand 17355 states and 24552 transitions. [2023-11-23 16:01:19,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-11-23 16:01:19,950 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 16:01:19,950 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 7, 7, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 16:01:19,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-23 16:01:19,951 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 16:01:19,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:01:19,952 INFO L85 PathProgramCache]: Analyzing trace with hash -129555178, now seen corresponding path program 1 times [2023-11-23 16:01:19,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:01:19,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985163584] [2023-11-23 16:01:19,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:01:19,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:01:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:20,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 16:01:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:20,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 16:01:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:20,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 16:01:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:20,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 16:01:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:20,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 16:01:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:20,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 16:01:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:20,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 16:01:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:20,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 16:01:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:20,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 16:01:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:20,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 16:01:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:20,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 16:01:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:20,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 16:01:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:20,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 16:01:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:20,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-23 16:01:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:20,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-23 16:01:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:20,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-23 16:01:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:20,570 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 17 proven. 88 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-23 16:01:20,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 16:01:20,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985163584] [2023-11-23 16:01:20,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985163584] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 16:01:20,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286672744] [2023-11-23 16:01:20,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:01:20,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 16:01:20,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:01:20,571 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 16:01:20,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 16:01:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:21,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 3030 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 16:01:21,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 16:01:21,326 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 107 proven. 17 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2023-11-23 16:01:21,327 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 16:01:21,685 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 51 proven. 17 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2023-11-23 16:01:21,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286672744] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 16:01:21,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 16:01:21,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2023-11-23 16:01:21,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666717029] [2023-11-23 16:01:21,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 16:01:21,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-23 16:01:21,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 16:01:21,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-23 16:01:21,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-11-23 16:01:21,687 INFO L87 Difference]: Start difference. First operand 17355 states and 24552 transitions. Second operand has 13 states, 12 states have (on average 20.25) internal successors, (243), 9 states have internal predecessors, (243), 6 states have call successors, (35), 7 states have call predecessors, (35), 3 states have return successors, (29), 6 states have call predecessors, (29), 6 states have call successors, (29) [2023-11-23 16:01:23,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 16:01:23,803 INFO L93 Difference]: Finished difference Result 20363 states and 28685 transitions. [2023-11-23 16:01:23,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 16:01:23,804 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 20.25) internal successors, (243), 9 states have internal predecessors, (243), 6 states have call successors, (35), 7 states have call predecessors, (35), 3 states have return successors, (29), 6 states have call predecessors, (29), 6 states have call successors, (29) Word has length 232 [2023-11-23 16:01:23,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 16:01:23,844 INFO L225 Difference]: With dead ends: 20363 [2023-11-23 16:01:23,844 INFO L226 Difference]: Without dead ends: 20360 [2023-11-23 16:01:23,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 523 GetRequests, 499 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=161, Invalid=345, Unknown=0, NotChecked=0, Total=506 [2023-11-23 16:01:23,851 INFO L413 NwaCegarLoop]: 1047 mSDtfsCounter, 1898 mSDsluCounter, 3485 mSDsCounter, 0 mSdLazyCounter, 1665 mSolverCounterSat, 669 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2075 SdHoareTripleChecker+Valid, 4532 SdHoareTripleChecker+Invalid, 2334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 669 IncrementalHoareTripleChecker+Valid, 1665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-23 16:01:23,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2075 Valid, 4532 Invalid, 2334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [669 Valid, 1665 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-23 16:01:23,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20360 states. [2023-11-23 16:01:24,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20360 to 7958. [2023-11-23 16:01:24,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7958 states, 6427 states have (on average 1.4045433328146881) internal successors, (9027), 6434 states have internal predecessors, (9027), 1122 states have call successors, (1122), 407 states have call predecessors, (1122), 407 states have return successors, (1122), 1116 states have call predecessors, (1122), 1122 states have call successors, (1122) [2023-11-23 16:01:24,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7958 states to 7958 states and 11271 transitions. [2023-11-23 16:01:24,276 INFO L78 Accepts]: Start accepts. Automaton has 7958 states and 11271 transitions. Word has length 232 [2023-11-23 16:01:24,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 16:01:24,279 INFO L495 AbstractCegarLoop]: Abstraction has 7958 states and 11271 transitions. [2023-11-23 16:01:24,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 20.25) internal successors, (243), 9 states have internal predecessors, (243), 6 states have call successors, (35), 7 states have call predecessors, (35), 3 states have return successors, (29), 6 states have call predecessors, (29), 6 states have call successors, (29) [2023-11-23 16:01:24,280 INFO L276 IsEmpty]: Start isEmpty. Operand 7958 states and 11271 transitions. [2023-11-23 16:01:24,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2023-11-23 16:01:24,297 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 16:01:24,297 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 16:01:24,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-23 16:01:24,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-23 16:01:24,529 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 16:01:24,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:01:24,529 INFO L85 PathProgramCache]: Analyzing trace with hash 362261370, now seen corresponding path program 2 times [2023-11-23 16:01:24,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:01:24,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866420801] [2023-11-23 16:01:24,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:01:24,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:01:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:24,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 16:01:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:24,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 16:01:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:24,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 16:01:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:24,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 16:01:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:24,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 16:01:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:24,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 16:01:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:24,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 16:01:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:24,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 16:01:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:24,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 16:01:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:24,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 16:01:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:24,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 16:01:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:24,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 16:01:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:24,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-23 16:01:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:24,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-23 16:01:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:24,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-11-23 16:01:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:24,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-11-23 16:01:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:24,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-11-23 16:01:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:24,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-11-23 16:01:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:24,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-23 16:01:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:24,946 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2023-11-23 16:01:24,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 16:01:24,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866420801] [2023-11-23 16:01:24,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866420801] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 16:01:24,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 16:01:24,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 16:01:24,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013689479] [2023-11-23 16:01:24,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 16:01:24,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 16:01:24,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 16:01:24,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 16:01:24,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 16:01:24,948 INFO L87 Difference]: Start difference. First operand 7958 states and 11271 transitions. Second operand has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 16:01:25,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 16:01:25,996 INFO L93 Difference]: Finished difference Result 17458 states and 25068 transitions. [2023-11-23 16:01:25,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 16:01:25,997 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 272 [2023-11-23 16:01:25,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 16:01:26,015 INFO L225 Difference]: With dead ends: 17458 [2023-11-23 16:01:26,016 INFO L226 Difference]: Without dead ends: 9564 [2023-11-23 16:01:26,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-11-23 16:01:26,029 INFO L413 NwaCegarLoop]: 509 mSDtfsCounter, 280 mSDsluCounter, 1391 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 1900 SdHoareTripleChecker+Invalid, 962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 278 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 16:01:26,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 1900 Invalid, 962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [278 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 16:01:26,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9564 states. [2023-11-23 16:01:26,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9564 to 9284. [2023-11-23 16:01:26,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9284 states, 7705 states have (on average 1.391304347826087) internal successors, (10720), 7712 states have internal predecessors, (10720), 1128 states have call successors, (1128), 449 states have call predecessors, (1128), 449 states have return successors, (1128), 1122 states have call predecessors, (1128), 1128 states have call successors, (1128) [2023-11-23 16:01:26,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9284 states to 9284 states and 12976 transitions. [2023-11-23 16:01:26,558 INFO L78 Accepts]: Start accepts. Automaton has 9284 states and 12976 transitions. Word has length 272 [2023-11-23 16:01:26,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 16:01:26,558 INFO L495 AbstractCegarLoop]: Abstraction has 9284 states and 12976 transitions. [2023-11-23 16:01:26,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 16:01:26,559 INFO L276 IsEmpty]: Start isEmpty. Operand 9284 states and 12976 transitions. [2023-11-23 16:01:26,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2023-11-23 16:01:26,575 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 16:01:26,575 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 10, 8, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-23 16:01:26,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-23 16:01:26,576 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 16:01:26,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:01:26,576 INFO L85 PathProgramCache]: Analyzing trace with hash 2145490890, now seen corresponding path program 3 times [2023-11-23 16:01:26,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:01:26,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32709319] [2023-11-23 16:01:26,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:01:26,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:01:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:26,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 16:01:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:26,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 16:01:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:26,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 16:01:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:26,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 16:01:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:26,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 16:01:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:26,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 16:01:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:26,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 16:01:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:26,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 16:01:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:26,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 16:01:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:26,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 16:01:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:26,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 16:01:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:26,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 16:01:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:26,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-23 16:01:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:26,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-23 16:01:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:26,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-23 16:01:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:26,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-23 16:01:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:26,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-23 16:01:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:26,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-23 16:01:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:26,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-11-23 16:01:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:26,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-11-23 16:01:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:26,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-11-23 16:01:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:26,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-23 16:01:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:26,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-11-23 16:01:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:26,924 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2023-11-23 16:01:26,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 16:01:26,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32709319] [2023-11-23 16:01:26,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32709319] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 16:01:26,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 16:01:26,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 16:01:26,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627486772] [2023-11-23 16:01:26,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 16:01:26,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 16:01:26,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 16:01:26,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 16:01:26,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 16:01:26,926 INFO L87 Difference]: Start difference. First operand 9284 states and 12976 transitions. Second operand has 7 states, 7 states have (on average 21.142857142857142) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-23 16:01:27,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 16:01:27,932 INFO L93 Difference]: Finished difference Result 18131 states and 25371 transitions. [2023-11-23 16:01:27,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 16:01:27,933 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 21.142857142857142) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 282 [2023-11-23 16:01:27,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 16:01:27,947 INFO L225 Difference]: With dead ends: 18131 [2023-11-23 16:01:27,947 INFO L226 Difference]: Without dead ends: 8440 [2023-11-23 16:01:27,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-11-23 16:01:27,961 INFO L413 NwaCegarLoop]: 435 mSDtfsCounter, 468 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 16:01:27,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 1403 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 16:01:27,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8440 states. [2023-11-23 16:01:28,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8440 to 8382. [2023-11-23 16:01:28,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8382 states, 6951 states have (on average 1.3749100848798734) internal successors, (9557), 6952 states have internal predecessors, (9557), 1021 states have call successors, (1021), 408 states have call predecessors, (1021), 408 states have return successors, (1021), 1021 states have call predecessors, (1021), 1021 states have call successors, (1021) [2023-11-23 16:01:28,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8382 states to 8382 states and 11599 transitions. [2023-11-23 16:01:28,264 INFO L78 Accepts]: Start accepts. Automaton has 8382 states and 11599 transitions. Word has length 282 [2023-11-23 16:01:28,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 16:01:28,265 INFO L495 AbstractCegarLoop]: Abstraction has 8382 states and 11599 transitions. [2023-11-23 16:01:28,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.142857142857142) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-23 16:01:28,265 INFO L276 IsEmpty]: Start isEmpty. Operand 8382 states and 11599 transitions. [2023-11-23 16:01:28,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2023-11-23 16:01:28,282 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 16:01:28,282 INFO L195 NwaCegarLoop]: trace histogram [11, 7, 7, 7, 7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 16:01:28,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-23 16:01:28,282 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 16:01:28,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:01:28,283 INFO L85 PathProgramCache]: Analyzing trace with hash -785386862, now seen corresponding path program 1 times [2023-11-23 16:01:28,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:01:28,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459666770] [2023-11-23 16:01:28,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:01:28,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:01:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:28,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 16:01:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:28,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 16:01:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:28,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 16:01:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:28,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 16:01:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:28,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 16:01:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:28,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 16:01:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:28,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 16:01:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:28,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 16:01:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:28,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 16:01:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:28,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 16:01:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:28,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 16:01:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:28,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 16:01:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:28,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-23 16:01:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:28,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-23 16:01:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:28,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-23 16:01:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:28,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-23 16:01:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:28,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-23 16:01:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:28,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2023-11-23 16:01:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:28,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-11-23 16:01:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:28,589 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-23 16:01:28,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 16:01:28,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459666770] [2023-11-23 16:01:28,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459666770] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 16:01:28,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 16:01:28,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 16:01:28,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273575774] [2023-11-23 16:01:28,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 16:01:28,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 16:01:28,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 16:01:28,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 16:01:28,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 16:01:28,592 INFO L87 Difference]: Start difference. First operand 8382 states and 11599 transitions. Second operand has 7 states, 7 states have (on average 19.0) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 16:01:29,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 16:01:29,626 INFO L93 Difference]: Finished difference Result 18143 states and 25353 transitions. [2023-11-23 16:01:29,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 16:01:29,627 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.0) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 296 [2023-11-23 16:01:29,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 16:01:29,641 INFO L225 Difference]: With dead ends: 18143 [2023-11-23 16:01:29,642 INFO L226 Difference]: Without dead ends: 9861 [2023-11-23 16:01:29,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-23 16:01:29,654 INFO L413 NwaCegarLoop]: 498 mSDtfsCounter, 242 mSDsluCounter, 1733 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 2231 SdHoareTripleChecker+Invalid, 1002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 16:01:29,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 2231 Invalid, 1002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 16:01:29,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9861 states. [2023-11-23 16:01:29,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9861 to 9802. [2023-11-23 16:01:30,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9802 states, 8269 states have (on average 1.360986818236788) internal successors, (11254), 8270 states have internal predecessors, (11254), 1027 states have call successors, (1027), 504 states have call predecessors, (1027), 504 states have return successors, (1027), 1027 states have call predecessors, (1027), 1027 states have call successors, (1027) [2023-11-23 16:01:30,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9802 states to 9802 states and 13308 transitions. [2023-11-23 16:01:30,018 INFO L78 Accepts]: Start accepts. Automaton has 9802 states and 13308 transitions. Word has length 296 [2023-11-23 16:01:30,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 16:01:30,018 INFO L495 AbstractCegarLoop]: Abstraction has 9802 states and 13308 transitions. [2023-11-23 16:01:30,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.0) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 16:01:30,018 INFO L276 IsEmpty]: Start isEmpty. Operand 9802 states and 13308 transitions. [2023-11-23 16:01:30,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2023-11-23 16:01:30,037 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 16:01:30,037 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 16:01:30,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-23 16:01:30,037 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 16:01:30,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:01:30,038 INFO L85 PathProgramCache]: Analyzing trace with hash 2130225240, now seen corresponding path program 1 times [2023-11-23 16:01:30,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:01:30,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98956035] [2023-11-23 16:01:30,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:01:30,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:01:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:30,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 16:01:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:30,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 16:01:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:30,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 16:01:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:30,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 16:01:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:30,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 16:01:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:30,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 16:01:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:30,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 16:01:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:30,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 16:01:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:30,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 16:01:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:30,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 16:01:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:30,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 16:01:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:30,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 16:01:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:30,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 16:01:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:30,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-23 16:01:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:30,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-23 16:01:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:30,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-11-23 16:01:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:30,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-11-23 16:01:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:30,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-11-23 16:01:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:30,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-23 16:01:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:30,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2023-11-23 16:01:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:30,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-11-23 16:01:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:30,361 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2023-11-23 16:01:30,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 16:01:30,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98956035] [2023-11-23 16:01:30,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98956035] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 16:01:30,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 16:01:30,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 16:01:30,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772556105] [2023-11-23 16:01:30,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 16:01:30,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 16:01:30,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 16:01:30,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 16:01:30,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 16:01:30,365 INFO L87 Difference]: Start difference. First operand 9802 states and 13308 transitions. Second operand has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 16:01:31,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 16:01:31,397 INFO L93 Difference]: Finished difference Result 20929 states and 28717 transitions. [2023-11-23 16:01:31,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 16:01:31,397 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 332 [2023-11-23 16:01:31,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 16:01:31,414 INFO L225 Difference]: With dead ends: 20929 [2023-11-23 16:01:31,415 INFO L226 Difference]: Without dead ends: 11227 [2023-11-23 16:01:31,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-23 16:01:31,431 INFO L413 NwaCegarLoop]: 498 mSDtfsCounter, 231 mSDsluCounter, 1732 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 2230 SdHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 16:01:31,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 2230 Invalid, 1000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 16:01:31,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11227 states. [2023-11-23 16:01:31,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11227 to 11168. [2023-11-23 16:01:31,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11168 states, 9551 states have (on average 1.3522144278086063) internal successors, (12915), 9552 states have internal predecessors, (12915), 1033 states have call successors, (1033), 582 states have call predecessors, (1033), 582 states have return successors, (1033), 1033 states have call predecessors, (1033), 1033 states have call successors, (1033) [2023-11-23 16:01:31,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11168 states to 11168 states and 14981 transitions. [2023-11-23 16:01:31,913 INFO L78 Accepts]: Start accepts. Automaton has 11168 states and 14981 transitions. Word has length 332 [2023-11-23 16:01:31,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 16:01:31,914 INFO L495 AbstractCegarLoop]: Abstraction has 11168 states and 14981 transitions. [2023-11-23 16:01:31,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.142857142857142) internal successors, (155), 3 states have internal predecessors, (155), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 16:01:31,914 INFO L276 IsEmpty]: Start isEmpty. Operand 11168 states and 14981 transitions. [2023-11-23 16:01:31,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2023-11-23 16:01:31,928 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 16:01:31,928 INFO L195 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 16:01:31,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-23 16:01:31,929 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 16:01:31,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:01:31,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1621255862, now seen corresponding path program 1 times [2023-11-23 16:01:31,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:01:31,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282909444] [2023-11-23 16:01:31,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:01:31,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:01:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:32,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 16:01:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:32,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 16:01:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:32,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 16:01:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:32,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 16:01:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:32,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 16:01:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:32,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 16:01:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:32,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 16:01:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:32,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 16:01:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:32,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 16:01:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:32,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 16:01:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:32,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 16:01:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:32,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 16:01:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:32,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-23 16:01:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:32,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-23 16:01:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:32,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-23 16:01:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:32,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-23 16:01:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:32,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-23 16:01:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:32,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-23 16:01:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:32,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-11-23 16:01:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:32,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-11-23 16:01:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:32,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-11-23 16:01:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:32,204 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2023-11-23 16:01:32,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 16:01:32,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282909444] [2023-11-23 16:01:32,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282909444] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 16:01:32,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 16:01:32,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 16:01:32,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301987319] [2023-11-23 16:01:32,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 16:01:32,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 16:01:32,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 16:01:32,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 16:01:32,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 16:01:32,208 INFO L87 Difference]: Start difference. First operand 11168 states and 14981 transitions. Second operand has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 3 states have internal predecessors, (156), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 16:01:33,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 16:01:33,228 INFO L93 Difference]: Finished difference Result 23733 states and 32153 transitions. [2023-11-23 16:01:33,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 16:01:33,229 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 3 states have internal predecessors, (156), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 334 [2023-11-23 16:01:33,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 16:01:33,249 INFO L225 Difference]: With dead ends: 23733 [2023-11-23 16:01:33,250 INFO L226 Difference]: Without dead ends: 12665 [2023-11-23 16:01:33,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-23 16:01:33,263 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 240 mSDsluCounter, 1730 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 2227 SdHoareTripleChecker+Invalid, 1009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 16:01:33,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 2227 Invalid, 1009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 16:01:33,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12665 states. [2023-11-23 16:01:33,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12665 to 12606. [2023-11-23 16:01:33,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12606 states, 10887 states have (on average 1.343804537521815) internal successors, (14630), 10888 states have internal predecessors, (14630), 1039 states have call successors, (1039), 678 states have call predecessors, (1039), 678 states have return successors, (1039), 1039 states have call predecessors, (1039), 1039 states have call successors, (1039) [2023-11-23 16:01:33,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12606 states to 12606 states and 16708 transitions. [2023-11-23 16:01:33,844 INFO L78 Accepts]: Start accepts. Automaton has 12606 states and 16708 transitions. Word has length 334 [2023-11-23 16:01:33,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 16:01:33,845 INFO L495 AbstractCegarLoop]: Abstraction has 12606 states and 16708 transitions. [2023-11-23 16:01:33,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 3 states have internal predecessors, (156), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 16:01:33,845 INFO L276 IsEmpty]: Start isEmpty. Operand 12606 states and 16708 transitions. [2023-11-23 16:01:33,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2023-11-23 16:01:33,862 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 16:01:33,863 INFO L195 NwaCegarLoop]: trace histogram [15, 11, 11, 11, 7, 7, 7, 7, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 16:01:33,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-23 16:01:33,863 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 16:01:33,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 16:01:33,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1436756312, now seen corresponding path program 1 times [2023-11-23 16:01:33,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 16:01:33,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860555613] [2023-11-23 16:01:33,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 16:01:33,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 16:01:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:34,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 16:01:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:34,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 16:01:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:34,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 16:01:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:34,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 16:01:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:34,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 16:01:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:34,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-23 16:01:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:34,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 16:01:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:34,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-23 16:01:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:34,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 16:01:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:34,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 16:01:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:34,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 16:01:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:34,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 16:01:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:34,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-23 16:01:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:34,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-23 16:01:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:34,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-23 16:01:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:34,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-23 16:01:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:34,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-23 16:01:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:34,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-23 16:01:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:34,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-11-23 16:01:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:34,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-11-23 16:01:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:34,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-11-23 16:01:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:34,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-11-23 16:01:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:34,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2023-11-23 16:01:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 16:01:34,210 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2023-11-23 16:01:34,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 16:01:34,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860555613] [2023-11-23 16:01:34,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860555613] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 16:01:34,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 16:01:34,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 16:01:34,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91206454] [2023-11-23 16:01:34,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 16:01:34,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 16:01:34,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 16:01:34,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 16:01:34,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 16:01:34,214 INFO L87 Difference]: Start difference. First operand 12606 states and 16708 transitions. Second operand has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-23 16:01:35,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 16:01:35,013 INFO L93 Difference]: Finished difference Result 15242 states and 20182 transitions. [2023-11-23 16:01:35,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 16:01:35,014 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 364 [2023-11-23 16:01:35,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 16:01:35,014 INFO L225 Difference]: With dead ends: 15242 [2023-11-23 16:01:35,014 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 16:01:35,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-23 16:01:35,026 INFO L413 NwaCegarLoop]: 494 mSDtfsCounter, 262 mSDsluCounter, 1354 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 266 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 16:01:35,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 1848 Invalid, 907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [266 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 16:01:35,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 16:01:35,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 16:01:35,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2023-11-23 16:01:35,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 16:01:35,028 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 364 [2023-11-23 16:01:35,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 16:01:35,028 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 16:01:35,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-23 16:01:35,028 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 16:01:35,029 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 16:01:35,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2023-11-23 16:01:35,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2023-11-23 16:01:35,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2023-11-23 16:01:35,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2023-11-23 16:01:35,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2023-11-23 16:01:35,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2023-11-23 16:01:35,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2023-11-23 16:01:35,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2023-11-23 16:01:35,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2023-11-23 16:01:35,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2023-11-23 16:01:35,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2023-11-23 16:01:35,033 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2023-11-23 16:01:35,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-23 16:01:35,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 16:04:08,676 WARN L293 SmtUtils]: Spent 2.51m on a formula simplification. DAG size of input: 97 DAG size of output: 48 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) Killed by 15