./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/who-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/who-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu --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 a6a74579d0a67b9b62563ed1c204fac87f3cb562f9fcfb0178f3c793ee1d716b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:48:29,372 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:48:29,443 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-19 07:48:29,448 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:48:29,449 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:48:29,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:48:29,475 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:48:29,476 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:48:29,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:48:29,477 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:48:29,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:48:29,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:48:29,479 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:48:29,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:48:29,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:48:29,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:48:29,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:48:29,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:48:29,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:48:29,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:48:29,484 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:48:29,485 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:48:29,485 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:48:29,486 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:48:29,486 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:48:29,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:48:29,487 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:48:29,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:29,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:48:29,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:48:29,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:48:29,490 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:48:29,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:48:29,490 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:48:29,491 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:48:29,491 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:48:29,492 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:48:29,492 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:48:29,493 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6a74579d0a67b9b62563ed1c204fac87f3cb562f9fcfb0178f3c793ee1d716b [2023-11-19 07:48:29,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:48:29,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:48:29,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:48:29,828 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:48:29,829 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:48:29,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/busybox-1.22.0/who-1.i [2023-11-19 07:48:32,861 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:48:33,434 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:48:33,435 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/sv-benchmarks/c/busybox-1.22.0/who-1.i [2023-11-19 07:48:33,489 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/data/c10357870/d862387e8a2844028e41ceb1579df74b/FLAG2df1f6919 [2023-11-19 07:48:33,507 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/data/c10357870/d862387e8a2844028e41ceb1579df74b [2023-11-19 07:48:33,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:48:33,517 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:48:33,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:33,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:48:33,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:48:33,531 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:33" (1/1) ... [2023-11-19 07:48:33,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bef2043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:33, skipping insertion in model container [2023-11-19 07:48:33,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:33" (1/1) ... [2023-11-19 07:48:33,628 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:48:35,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:35,538 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:48:35,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:35,970 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:48:35,970 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:48:35,970 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:48:35,971 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:48:35,971 WARN L675 CHandler]: The function ctime is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:48:35,971 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:48:35,971 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:48:35,980 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:48:35,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35 WrapperNode [2023-11-19 07:48:35,981 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:35,982 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:35,982 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:48:35,982 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:48:35,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:36,071 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:36,177 INFO L138 Inliner]: procedures = 639, calls = 391, calls flagged for inlining = 29, calls inlined = 28, statements flattened = 1740 [2023-11-19 07:48:36,178 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:36,179 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:48:36,179 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:48:36,179 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:48:36,197 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:36,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:36,219 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:36,220 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:36,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:36,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:36,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:36,398 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:36,425 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:48:36,427 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:48:36,427 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:48:36,428 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:48:36,429 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (1/1) ... [2023-11-19 07:48:36,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:36,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:36,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:48:36,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:48:36,502 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-19 07:48:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2023-11-19 07:48:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:48:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:48:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:48:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:48:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:48:36,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:48:36,504 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-19 07:48:36,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:48:36,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:48:36,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:48:36,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:48:36,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 07:48:36,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 07:48:36,507 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-19 07:48:36,507 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-19 07:48:36,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:48:36,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:48:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:48:36,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:48:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:48:36,509 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:48:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:48:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:48:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:48:36,510 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 07:48:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:48:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-19 07:48:36,511 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-19 07:48:36,512 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-19 07:48:36,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:48:36,512 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-19 07:48:37,087 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:48:37,090 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:48:38,763 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:48:38,781 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:48:38,782 INFO L302 CfgBuilder]: Removed 29 assume(true) statements. [2023-11-19 07:48:38,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:38 BoogieIcfgContainer [2023-11-19 07:48:38,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:48:38,792 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:48:38,793 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:48:38,796 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:48:38,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:48:33" (1/3) ... [2023-11-19 07:48:38,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8a084d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:38, skipping insertion in model container [2023-11-19 07:48:38,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:35" (2/3) ... [2023-11-19 07:48:38,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8a084d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:38, skipping insertion in model container [2023-11-19 07:48:38,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:38" (3/3) ... [2023-11-19 07:48:38,799 INFO L112 eAbstractionObserver]: Analyzing ICFG who-1.i [2023-11-19 07:48:38,820 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:48:38,820 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 78 error locations. [2023-11-19 07:48:38,886 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:48:38,894 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;@6ca2fb21, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:48:38,894 INFO L358 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2023-11-19 07:48:38,906 INFO L276 IsEmpty]: Start isEmpty. Operand has 529 states, 423 states have (on average 1.7139479905437351) internal successors, (725), 501 states have internal predecessors, (725), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 07:48:38,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 07:48:38,914 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:38,915 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-19 07:48:38,916 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:48:38,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:38,922 INFO L85 PathProgramCache]: Analyzing trace with hash 10438021, now seen corresponding path program 1 times [2023-11-19 07:48:38,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:38,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307527381] [2023-11-19 07:48:38,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:38,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:39,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:48:39,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:39,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307527381] [2023-11-19 07:48:39,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307527381] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:39,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:39,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:48:39,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083076578] [2023-11-19 07:48:39,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:39,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:48:39,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:39,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:48:39,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:39,616 INFO L87 Difference]: Start difference. First operand has 529 states, 423 states have (on average 1.7139479905437351) internal successors, (725), 501 states have internal predecessors, (725), 22 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:48:39,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:39,832 INFO L93 Difference]: Finished difference Result 1048 states and 1546 transitions. [2023-11-19 07:48:39,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:48:39,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-19 07:48:39,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:39,859 INFO L225 Difference]: With dead ends: 1048 [2023-11-19 07:48:39,859 INFO L226 Difference]: Without dead ends: 511 [2023-11-19 07:48:39,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:39,879 INFO L413 NwaCegarLoop]: 716 mSDtfsCounter, 1 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1426 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:39,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1426 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:48:39,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2023-11-19 07:48:39,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2023-11-19 07:48:39,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 409 states have (on average 1.6161369193154034) internal successors, (661), 487 states have internal predecessors, (661), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:48:39,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 701 transitions. [2023-11-19 07:48:39,988 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 701 transitions. Word has length 4 [2023-11-19 07:48:39,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:39,989 INFO L495 AbstractCegarLoop]: Abstraction has 511 states and 701 transitions. [2023-11-19 07:48:39,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:48:39,989 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 701 transitions. [2023-11-19 07:48:39,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 07:48:39,990 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:39,990 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-19 07:48:39,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:48:39,991 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:48:39,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:39,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1721789664, now seen corresponding path program 1 times [2023-11-19 07:48:39,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:39,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925909769] [2023-11-19 07:48:39,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:39,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:40,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:48:40,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:40,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925909769] [2023-11-19 07:48:40,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925909769] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:48:40,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886633998] [2023-11-19 07:48:40,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:40,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:40,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:40,232 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:48:40,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:48:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:40,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:48:40,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:40,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:48:40,629 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:48:40,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [886633998] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:40,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:48:40,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-11-19 07:48:40,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518031415] [2023-11-19 07:48:40,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:40,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:48:40,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:40,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:48:40,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:48:40,639 INFO L87 Difference]: Start difference. First operand 511 states and 701 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:48:40,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:40,691 INFO L93 Difference]: Finished difference Result 511 states and 701 transitions. [2023-11-19 07:48:40,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:48:40,692 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-19 07:48:40,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:40,696 INFO L225 Difference]: With dead ends: 511 [2023-11-19 07:48:40,696 INFO L226 Difference]: Without dead ends: 510 [2023-11-19 07:48:40,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:48:40,698 INFO L413 NwaCegarLoop]: 692 mSDtfsCounter, 5 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1382 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:40,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1382 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:48:40,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2023-11-19 07:48:40,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 510. [2023-11-19 07:48:40,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 409 states have (on average 1.6136919315403424) internal successors, (660), 486 states have internal predecessors, (660), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:48:40,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 700 transitions. [2023-11-19 07:48:40,747 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 700 transitions. Word has length 7 [2023-11-19 07:48:40,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:40,748 INFO L495 AbstractCegarLoop]: Abstraction has 510 states and 700 transitions. [2023-11-19 07:48:40,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:48:40,749 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 700 transitions. [2023-11-19 07:48:40,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 07:48:40,750 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:40,750 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2023-11-19 07:48:40,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:40,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:40,966 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:48:40,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:40,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1835872386, now seen corresponding path program 1 times [2023-11-19 07:48:40,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:40,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423759938] [2023-11-19 07:48:40,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:40,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:41,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:48:41,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:41,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423759938] [2023-11-19 07:48:41,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423759938] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:41,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:41,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:48:41,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038468713] [2023-11-19 07:48:41,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:41,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:48:41,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:41,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:48:41,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:41,144 INFO L87 Difference]: Start difference. First operand 510 states and 700 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:48:41,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:41,181 INFO L93 Difference]: Finished difference Result 510 states and 700 transitions. [2023-11-19 07:48:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:48:41,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-19 07:48:41,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:41,186 INFO L225 Difference]: With dead ends: 510 [2023-11-19 07:48:41,186 INFO L226 Difference]: Without dead ends: 509 [2023-11-19 07:48:41,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:41,188 INFO L413 NwaCegarLoop]: 693 mSDtfsCounter, 0 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1383 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:41,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1383 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:48:41,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2023-11-19 07:48:41,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 507. [2023-11-19 07:48:41,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 407 states have (on average 1.6142506142506143) internal successors, (657), 483 states have internal predecessors, (657), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:48:41,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 697 transitions. [2023-11-19 07:48:41,212 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 697 transitions. Word has length 8 [2023-11-19 07:48:41,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:41,213 INFO L495 AbstractCegarLoop]: Abstraction has 507 states and 697 transitions. [2023-11-19 07:48:41,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:48:41,214 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 697 transitions. [2023-11-19 07:48:41,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 07:48:41,214 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:41,215 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:41,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:48:41,215 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:48:41,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:41,216 INFO L85 PathProgramCache]: Analyzing trace with hash -50387537, now seen corresponding path program 1 times [2023-11-19 07:48:41,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:41,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70243875] [2023-11-19 07:48:41,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:41,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:41,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-19 07:48:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:41,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:48:41,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:41,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70243875] [2023-11-19 07:48:41,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70243875] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:48:41,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170294577] [2023-11-19 07:48:41,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:41,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:41,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:41,463 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:48:41,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:48:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:41,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:48:41,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:41,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:48:41,776 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:48:41,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170294577] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:41,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:48:41,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-19 07:48:41,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86287851] [2023-11-19 07:48:41,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:41,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:48:41,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:41,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:48:41,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:48:41,780 INFO L87 Difference]: Start difference. First operand 507 states and 697 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:41,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:41,828 INFO L93 Difference]: Finished difference Result 507 states and 697 transitions. [2023-11-19 07:48:41,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:48:41,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2023-11-19 07:48:41,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:41,833 INFO L225 Difference]: With dead ends: 507 [2023-11-19 07:48:41,833 INFO L226 Difference]: Without dead ends: 505 [2023-11-19 07:48:41,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:48:41,835 INFO L413 NwaCegarLoop]: 684 mSDtfsCounter, 513 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:41,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 851 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:48:41,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2023-11-19 07:48:41,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 505. [2023-11-19 07:48:41,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 407 states have (on average 1.6093366093366093) internal successors, (655), 481 states have internal predecessors, (655), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:48:41,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 695 transitions. [2023-11-19 07:48:41,868 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 695 transitions. Word has length 13 [2023-11-19 07:48:41,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:41,870 INFO L495 AbstractCegarLoop]: Abstraction has 505 states and 695 transitions. [2023-11-19 07:48:41,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:41,870 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 695 transitions. [2023-11-19 07:48:41,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 07:48:41,871 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:41,871 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:41,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:42,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:42,094 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:48:42,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:42,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1562013284, now seen corresponding path program 1 times [2023-11-19 07:48:42,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:42,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415044400] [2023-11-19 07:48:42,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:42,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:42,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-19 07:48:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:42,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:48:42,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:42,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415044400] [2023-11-19 07:48:42,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415044400] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:48:42,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348427126] [2023-11-19 07:48:42,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:42,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:42,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:42,352 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:48:42,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:48:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:42,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:48:42,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:42,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:48:42,676 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:48:42,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:48:42,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348427126] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:48:42,718 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:48:42,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-19 07:48:42,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472694929] [2023-11-19 07:48:42,719 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:48:42,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:48:42,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:42,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:48:42,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:48:42,722 INFO L87 Difference]: Start difference. First operand 505 states and 695 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:48:42,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:42,829 INFO L93 Difference]: Finished difference Result 1013 states and 1395 transitions. [2023-11-19 07:48:42,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:48:42,830 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2023-11-19 07:48:42,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:42,834 INFO L225 Difference]: With dead ends: 1013 [2023-11-19 07:48:42,834 INFO L226 Difference]: Without dead ends: 514 [2023-11-19 07:48:42,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:48:42,842 INFO L413 NwaCegarLoop]: 691 mSDtfsCounter, 4 mSDsluCounter, 2064 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2755 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:42,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2755 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:48:42,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2023-11-19 07:48:42,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 514. [2023-11-19 07:48:42,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 416 states have (on average 1.5961538461538463) internal successors, (664), 490 states have internal predecessors, (664), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:48:42,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 704 transitions. [2023-11-19 07:48:42,867 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 704 transitions. Word has length 14 [2023-11-19 07:48:42,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:42,868 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 704 transitions. [2023-11-19 07:48:42,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:48:42,868 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 704 transitions. [2023-11-19 07:48:42,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 07:48:42,869 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:42,870 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:42,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:43,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:43,087 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:48:43,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:43,087 INFO L85 PathProgramCache]: Analyzing trace with hash 143620375, now seen corresponding path program 2 times [2023-11-19 07:48:43,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:43,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217547444] [2023-11-19 07:48:43,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:43,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:43,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:48:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:43,462 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:48:43,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:43,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217547444] [2023-11-19 07:48:43,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217547444] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:48:43,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324181312] [2023-11-19 07:48:43,463 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 07:48:43,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:43,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:43,465 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:48:43,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 07:48:43,774 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-19 07:48:43,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:48:43,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:48:43,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:43,853 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 07:48:43,853 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:48:43,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324181312] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:43,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:48:43,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2023-11-19 07:48:43,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200548695] [2023-11-19 07:48:43,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:43,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:48:43,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:43,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:48:43,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:48:43,858 INFO L87 Difference]: Start difference. First operand 514 states and 704 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:44,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:44,016 INFO L93 Difference]: Finished difference Result 514 states and 704 transitions. [2023-11-19 07:48:44,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:48:44,017 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2023-11-19 07:48:44,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:44,022 INFO L225 Difference]: With dead ends: 514 [2023-11-19 07:48:44,023 INFO L226 Difference]: Without dead ends: 512 [2023-11-19 07:48:44,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-19 07:48:44,024 INFO L413 NwaCegarLoop]: 677 mSDtfsCounter, 512 mSDsluCounter, 1502 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 2179 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:44,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 2179 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:48:44,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2023-11-19 07:48:44,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 512. [2023-11-19 07:48:44,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 416 states have (on average 1.5913461538461537) internal successors, (662), 488 states have internal predecessors, (662), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:48:44,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 702 transitions. [2023-11-19 07:48:44,051 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 702 transitions. Word has length 23 [2023-11-19 07:48:44,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:44,052 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 702 transitions. [2023-11-19 07:48:44,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:44,052 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 702 transitions. [2023-11-19 07:48:44,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 07:48:44,053 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:44,054 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:44,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:44,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:44,276 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:48:44,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:44,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1355308031, now seen corresponding path program 1 times [2023-11-19 07:48:44,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:44,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515799721] [2023-11-19 07:48:44,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:44,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:44,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:48:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:44,502 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 07:48:44,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:44,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515799721] [2023-11-19 07:48:44,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515799721] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:44,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:44,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:48:44,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499812470] [2023-11-19 07:48:44,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:44,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:48:44,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:44,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:48:44,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:44,506 INFO L87 Difference]: Start difference. First operand 512 states and 702 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:44,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:44,560 INFO L93 Difference]: Finished difference Result 1006 states and 1387 transitions. [2023-11-19 07:48:44,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:48:44,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2023-11-19 07:48:44,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:44,565 INFO L225 Difference]: With dead ends: 1006 [2023-11-19 07:48:44,565 INFO L226 Difference]: Without dead ends: 515 [2023-11-19 07:48:44,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:44,568 INFO L413 NwaCegarLoop]: 689 mSDtfsCounter, 1 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1372 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:44,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1372 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:48:44,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2023-11-19 07:48:44,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2023-11-19 07:48:44,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 419 states have (on average 1.5871121718377088) internal successors, (665), 491 states have internal predecessors, (665), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:48:44,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 705 transitions. [2023-11-19 07:48:44,594 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 705 transitions. Word has length 28 [2023-11-19 07:48:44,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:44,594 INFO L495 AbstractCegarLoop]: Abstraction has 515 states and 705 transitions. [2023-11-19 07:48:44,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:44,595 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 705 transitions. [2023-11-19 07:48:44,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 07:48:44,597 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:44,597 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:44,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:48:44,598 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:48:44,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:44,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1077206525, now seen corresponding path program 1 times [2023-11-19 07:48:44,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:44,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571789684] [2023-11-19 07:48:44,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:44,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:44,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:48:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:44,853 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 07:48:44,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:44,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571789684] [2023-11-19 07:48:44,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571789684] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:44,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:44,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:48:44,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846497658] [2023-11-19 07:48:44,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:44,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:48:44,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:44,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:48:44,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:44,861 INFO L87 Difference]: Start difference. First operand 515 states and 705 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:44,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:44,940 INFO L93 Difference]: Finished difference Result 801 states and 1129 transitions. [2023-11-19 07:48:44,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:48:44,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2023-11-19 07:48:44,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:44,947 INFO L225 Difference]: With dead ends: 801 [2023-11-19 07:48:44,948 INFO L226 Difference]: Without dead ends: 799 [2023-11-19 07:48:44,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:44,950 INFO L413 NwaCegarLoop]: 684 mSDtfsCounter, 400 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 1360 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:44,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 1360 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:48:44,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2023-11-19 07:48:44,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 519. [2023-11-19 07:48:44,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 423 states have (on average 1.5839243498817968) internal successors, (670), 495 states have internal predecessors, (670), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:48:44,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 710 transitions. [2023-11-19 07:48:44,987 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 710 transitions. Word has length 30 [2023-11-19 07:48:44,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:44,987 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 710 transitions. [2023-11-19 07:48:44,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:44,988 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 710 transitions. [2023-11-19 07:48:44,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 07:48:44,989 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:44,989 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:44,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:48:44,990 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:48:44,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:44,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1006383302, now seen corresponding path program 1 times [2023-11-19 07:48:44,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:44,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449415296] [2023-11-19 07:48:44,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:44,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:45,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:48:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:45,259 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 07:48:45,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:45,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449415296] [2023-11-19 07:48:45,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449415296] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:48:45,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464731359] [2023-11-19 07:48:45,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:45,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:45,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:45,262 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:48:45,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 07:48:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:45,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:48:45,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:45,717 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 07:48:45,717 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:48:45,826 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 07:48:45,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464731359] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:48:45,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:48:45,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2023-11-19 07:48:45,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805957998] [2023-11-19 07:48:45,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:48:45,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-19 07:48:45,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:45,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-19 07:48:45,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-19 07:48:45,830 INFO L87 Difference]: Start difference. First operand 519 states and 710 transitions. Second operand has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:48:46,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:46,111 INFO L93 Difference]: Finished difference Result 1040 states and 1428 transitions. [2023-11-19 07:48:46,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-19 07:48:46,112 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2023-11-19 07:48:46,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:46,117 INFO L225 Difference]: With dead ends: 1040 [2023-11-19 07:48:46,118 INFO L226 Difference]: Without dead ends: 536 [2023-11-19 07:48:46,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-19 07:48:46,122 INFO L413 NwaCegarLoop]: 683 mSDtfsCounter, 7 mSDsluCounter, 4080 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 4763 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:46,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 4763 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:48:46,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2023-11-19 07:48:46,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2023-11-19 07:48:46,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 441 states have (on average 1.5578231292517006) internal successors, (687), 512 states have internal predecessors, (687), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:48:46,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 727 transitions. [2023-11-19 07:48:46,158 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 727 transitions. Word has length 31 [2023-11-19 07:48:46,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:46,159 INFO L495 AbstractCegarLoop]: Abstraction has 536 states and 727 transitions. [2023-11-19 07:48:46,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:48:46,160 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 727 transitions. [2023-11-19 07:48:46,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 07:48:46,166 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:46,166 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:46,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:46,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:46,391 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:48:46,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:46,392 INFO L85 PathProgramCache]: Analyzing trace with hash 718359518, now seen corresponding path program 1 times [2023-11-19 07:48:46,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:46,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567903772] [2023-11-19 07:48:46,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:46,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:46,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:48:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:46,663 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-19 07:48:46,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:46,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567903772] [2023-11-19 07:48:46,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567903772] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:46,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:46,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:48:46,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797852775] [2023-11-19 07:48:46,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:46,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:48:46,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:46,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:48:46,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:46,668 INFO L87 Difference]: Start difference. First operand 536 states and 727 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:46,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:46,713 INFO L93 Difference]: Finished difference Result 536 states and 727 transitions. [2023-11-19 07:48:46,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:48:46,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2023-11-19 07:48:46,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:46,717 INFO L225 Difference]: With dead ends: 536 [2023-11-19 07:48:46,717 INFO L226 Difference]: Without dead ends: 535 [2023-11-19 07:48:46,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:46,719 INFO L413 NwaCegarLoop]: 687 mSDtfsCounter, 0 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1370 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:46,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1370 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:48:46,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2023-11-19 07:48:46,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 533. [2023-11-19 07:48:46,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 439 states have (on average 1.5580865603644647) internal successors, (684), 509 states have internal predecessors, (684), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:48:46,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 724 transitions. [2023-11-19 07:48:46,757 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 724 transitions. Word has length 50 [2023-11-19 07:48:46,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:46,758 INFO L495 AbstractCegarLoop]: Abstraction has 533 states and 724 transitions. [2023-11-19 07:48:46,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:46,758 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 724 transitions. [2023-11-19 07:48:46,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 07:48:46,763 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:46,763 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:46,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-19 07:48:46,764 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:48:46,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:46,765 INFO L85 PathProgramCache]: Analyzing trace with hash 718357789, now seen corresponding path program 1 times [2023-11-19 07:48:46,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:46,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342866957] [2023-11-19 07:48:46,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:46,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:47,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:48:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:47,034 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-19 07:48:47,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:47,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342866957] [2023-11-19 07:48:47,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342866957] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:47,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:47,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:48:47,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167927496] [2023-11-19 07:48:47,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:47,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:48:47,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:47,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:48:47,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:47,040 INFO L87 Difference]: Start difference. First operand 533 states and 724 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:47,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:47,108 INFO L93 Difference]: Finished difference Result 544 states and 737 transitions. [2023-11-19 07:48:47,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:48:47,109 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2023-11-19 07:48:47,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:47,116 INFO L225 Difference]: With dead ends: 544 [2023-11-19 07:48:47,116 INFO L226 Difference]: Without dead ends: 542 [2023-11-19 07:48:47,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:48:47,117 INFO L413 NwaCegarLoop]: 685 mSDtfsCounter, 2 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1365 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:47,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1365 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:48:47,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2023-11-19 07:48:47,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 541. [2023-11-19 07:48:47,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 447 states have (on average 1.552572706935123) internal successors, (694), 517 states have internal predecessors, (694), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:48:47,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 734 transitions. [2023-11-19 07:48:47,149 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 734 transitions. Word has length 50 [2023-11-19 07:48:47,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:47,149 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 734 transitions. [2023-11-19 07:48:47,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:47,150 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 734 transitions. [2023-11-19 07:48:47,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 07:48:47,151 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:47,151 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:47,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-19 07:48:47,152 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:48:47,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:47,152 INFO L85 PathProgramCache]: Analyzing trace with hash -179340164, now seen corresponding path program 1 times [2023-11-19 07:48:47,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:47,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562171131] [2023-11-19 07:48:47,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:47,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:47,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:48:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:47,474 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 07:48:47,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:47,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562171131] [2023-11-19 07:48:47,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562171131] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:48:47,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449141756] [2023-11-19 07:48:47,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:47,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:47,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:47,480 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:48:47,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 07:48:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:47,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:48:47,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:47,945 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 07:48:47,946 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:48:47,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449141756] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:47,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:48:47,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-11-19 07:48:47,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959585314] [2023-11-19 07:48:47,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:47,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:48:47,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:47,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:48:47,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:48:47,950 INFO L87 Difference]: Start difference. First operand 541 states and 734 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:48,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:48,081 INFO L93 Difference]: Finished difference Result 825 states and 1156 transitions. [2023-11-19 07:48:48,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:48:48,082 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2023-11-19 07:48:48,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:48,088 INFO L225 Difference]: With dead ends: 825 [2023-11-19 07:48:48,088 INFO L226 Difference]: Without dead ends: 824 [2023-11-19 07:48:48,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:48:48,090 INFO L413 NwaCegarLoop]: 1094 mSDtfsCounter, 800 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 2056 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:48,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 2056 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:48:48,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2023-11-19 07:48:48,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 540. [2023-11-19 07:48:48,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 447 states have (on average 1.5503355704697988) internal successors, (693), 516 states have internal predecessors, (693), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:48:48,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 733 transitions. [2023-11-19 07:48:48,128 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 733 transitions. Word has length 52 [2023-11-19 07:48:48,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:48,130 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 733 transitions. [2023-11-19 07:48:48,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:48,130 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 733 transitions. [2023-11-19 07:48:48,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 07:48:48,132 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:48,132 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:48,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:48,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-19 07:48:48,356 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:48:48,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:48,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1264577373, now seen corresponding path program 1 times [2023-11-19 07:48:48,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:48,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947585033] [2023-11-19 07:48:48,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:48,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:48,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:48:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:48,630 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 07:48:48,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:48,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947585033] [2023-11-19 07:48:48,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947585033] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:48:48,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49817685] [2023-11-19 07:48:48,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:48,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:48,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:48,632 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:48:48,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 07:48:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:49,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:48:49,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:49,067 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 07:48:49,068 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:48:49,096 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 07:48:49,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49817685] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:48:49,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:48:49,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-19 07:48:49,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34234872] [2023-11-19 07:48:49,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:48:49,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:48:49,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:49,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:48:49,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:48:49,099 INFO L87 Difference]: Start difference. First operand 540 states and 733 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:49,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:49,371 INFO L93 Difference]: Finished difference Result 1673 states and 2419 transitions. [2023-11-19 07:48:49,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:48:49,371 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2023-11-19 07:48:49,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:49,383 INFO L225 Difference]: With dead ends: 1673 [2023-11-19 07:48:49,383 INFO L226 Difference]: Without dead ends: 1672 [2023-11-19 07:48:49,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:48:49,386 INFO L413 NwaCegarLoop]: 681 mSDtfsCounter, 2090 mSDsluCounter, 3322 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2118 SdHoareTripleChecker+Valid, 4003 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:49,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2118 Valid, 4003 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:48:49,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2023-11-19 07:48:49,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 552. [2023-11-19 07:48:49,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 459 states have (on average 1.542483660130719) internal successors, (708), 528 states have internal predecessors, (708), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:48:49,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 748 transitions. [2023-11-19 07:48:49,436 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 748 transitions. Word has length 53 [2023-11-19 07:48:49,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:49,437 INFO L495 AbstractCegarLoop]: Abstraction has 552 states and 748 transitions. [2023-11-19 07:48:49,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:49,437 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 748 transitions. [2023-11-19 07:48:49,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 07:48:49,438 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:49,438 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:49,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:49,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-19 07:48:49,660 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:48:49,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:49,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1081468870, now seen corresponding path program 1 times [2023-11-19 07:48:49,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:49,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609599890] [2023-11-19 07:48:49,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:49,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:49,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:48:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:49,903 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-19 07:48:49,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:49,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609599890] [2023-11-19 07:48:49,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609599890] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:48:49,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302625901] [2023-11-19 07:48:49,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:49,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:49,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:49,908 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:48:49,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 07:48:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:50,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:48:50,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:50,423 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-19 07:48:50,423 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:48:50,448 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-19 07:48:50,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302625901] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:48:50,449 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:48:50,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-19 07:48:50,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720426290] [2023-11-19 07:48:50,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:48:50,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:48:50,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:50,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:48:50,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:48:50,451 INFO L87 Difference]: Start difference. First operand 552 states and 748 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:50,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:50,535 INFO L93 Difference]: Finished difference Result 1078 states and 1472 transitions. [2023-11-19 07:48:50,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:48:50,535 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 58 [2023-11-19 07:48:50,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:50,539 INFO L225 Difference]: With dead ends: 1078 [2023-11-19 07:48:50,540 INFO L226 Difference]: Without dead ends: 570 [2023-11-19 07:48:50,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:48:50,544 INFO L413 NwaCegarLoop]: 686 mSDtfsCounter, 4 mSDsluCounter, 1364 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2050 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:50,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2050 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:48:50,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2023-11-19 07:48:50,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 570. [2023-11-19 07:48:50,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 477 states have (on average 1.5220125786163523) internal successors, (726), 546 states have internal predecessors, (726), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:48:50,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 766 transitions. [2023-11-19 07:48:50,584 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 766 transitions. Word has length 58 [2023-11-19 07:48:50,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:50,585 INFO L495 AbstractCegarLoop]: Abstraction has 570 states and 766 transitions. [2023-11-19 07:48:50,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:50,585 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 766 transitions. [2023-11-19 07:48:50,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 07:48:50,586 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:50,586 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:50,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:50,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-19 07:48:50,817 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:48:50,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:50,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1619665230, now seen corresponding path program 1 times [2023-11-19 07:48:50,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:50,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371170824] [2023-11-19 07:48:50,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:50,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:51,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:48:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:51,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-19 07:48:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:51,102 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 07:48:51,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:51,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371170824] [2023-11-19 07:48:51,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371170824] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:51,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:51,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:48:51,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98580524] [2023-11-19 07:48:51,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:51,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:48:51,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:51,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:48:51,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:48:51,105 INFO L87 Difference]: Start difference. First operand 570 states and 766 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:48:51,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:51,738 INFO L93 Difference]: Finished difference Result 1165 states and 1597 transitions. [2023-11-19 07:48:51,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:48:51,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 62 [2023-11-19 07:48:51,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:51,745 INFO L225 Difference]: With dead ends: 1165 [2023-11-19 07:48:51,745 INFO L226 Difference]: Without dead ends: 699 [2023-11-19 07:48:51,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:48:51,748 INFO L413 NwaCegarLoop]: 695 mSDtfsCounter, 178 mSDsluCounter, 1109 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1804 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:51,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1804 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 07:48:51,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2023-11-19 07:48:51,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 611. [2023-11-19 07:48:51,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 517 states have (on average 1.5106382978723405) internal successors, (781), 586 states have internal predecessors, (781), 23 states have call successors, (23), 5 states have call predecessors, (23), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:48:51,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 823 transitions. [2023-11-19 07:48:51,795 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 823 transitions. Word has length 62 [2023-11-19 07:48:51,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:51,796 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 823 transitions. [2023-11-19 07:48:51,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:48:51,796 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 823 transitions. [2023-11-19 07:48:51,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 07:48:51,797 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:51,798 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:51,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-19 07:48:51,798 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:48:51,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:51,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1720110217, now seen corresponding path program 1 times [2023-11-19 07:48:51,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:51,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341217398] [2023-11-19 07:48:51,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:51,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:52,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:48:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:52,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-19 07:48:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:52,043 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 07:48:52,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:52,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341217398] [2023-11-19 07:48:52,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341217398] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:52,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:52,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:48:52,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95063962] [2023-11-19 07:48:52,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:52,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:48:52,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:52,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:48:52,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:48:52,046 INFO L87 Difference]: Start difference. First operand 611 states and 823 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:48:52,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:52,483 INFO L93 Difference]: Finished difference Result 644 states and 861 transitions. [2023-11-19 07:48:52,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:48:52,484 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2023-11-19 07:48:52,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:52,488 INFO L225 Difference]: With dead ends: 644 [2023-11-19 07:48:52,488 INFO L226 Difference]: Without dead ends: 642 [2023-11-19 07:48:52,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:48:52,489 INFO L413 NwaCegarLoop]: 675 mSDtfsCounter, 55 mSDsluCounter, 1157 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 1832 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:52,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 1832 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 07:48:52,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2023-11-19 07:48:52,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 611. [2023-11-19 07:48:52,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 517 states have (on average 1.506769825918762) internal successors, (779), 586 states have internal predecessors, (779), 23 states have call successors, (23), 5 states have call predecessors, (23), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:48:52,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 821 transitions. [2023-11-19 07:48:52,527 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 821 transitions. Word has length 64 [2023-11-19 07:48:52,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:52,527 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 821 transitions. [2023-11-19 07:48:52,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:48:52,528 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 821 transitions. [2023-11-19 07:48:52,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 07:48:52,528 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:52,529 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:52,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-19 07:48:52,529 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:48:52,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:52,530 INFO L85 PathProgramCache]: Analyzing trace with hash -560310088, now seen corresponding path program 2 times [2023-11-19 07:48:52,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:52,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106894078] [2023-11-19 07:48:52,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:52,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:52,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:48:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:52,844 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-19 07:48:52,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:52,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106894078] [2023-11-19 07:48:52,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106894078] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:48:52,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617290065] [2023-11-19 07:48:52,845 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 07:48:52,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:52,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:52,846 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:48:52,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-19 07:48:53,288 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-19 07:48:53,288 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:48:53,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 07:48:53,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:53,383 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-11-19 07:48:53,384 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:48:53,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617290065] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:53,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:48:53,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2023-11-19 07:48:53,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324740251] [2023-11-19 07:48:53,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:53,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:48:53,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:53,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:48:53,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-19 07:48:53,386 INFO L87 Difference]: Start difference. First operand 611 states and 821 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:53,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:53,568 INFO L93 Difference]: Finished difference Result 1147 states and 1561 transitions. [2023-11-19 07:48:53,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:48:53,569 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2023-11-19 07:48:53,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:53,573 INFO L225 Difference]: With dead ends: 1147 [2023-11-19 07:48:53,573 INFO L226 Difference]: Without dead ends: 611 [2023-11-19 07:48:53,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:48:53,576 INFO L413 NwaCegarLoop]: 671 mSDtfsCounter, 513 mSDsluCounter, 2149 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 2820 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:53,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 2820 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:48:53,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2023-11-19 07:48:53,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 611. [2023-11-19 07:48:53,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 517 states have (on average 1.504835589941973) internal successors, (778), 586 states have internal predecessors, (778), 23 states have call successors, (23), 5 states have call predecessors, (23), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:48:53,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 820 transitions. [2023-11-19 07:48:53,614 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 820 transitions. Word has length 65 [2023-11-19 07:48:53,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:53,614 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 820 transitions. [2023-11-19 07:48:53,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:53,614 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 820 transitions. [2023-11-19 07:48:53,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 07:48:53,620 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:53,620 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:53,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:53,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-19 07:48:53,836 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:48:53,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:53,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1078406964, now seen corresponding path program 2 times [2023-11-19 07:48:53,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:53,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833749684] [2023-11-19 07:48:53,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:53,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:54,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:48:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:54,176 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-11-19 07:48:54,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:54,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833749684] [2023-11-19 07:48:54,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833749684] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:48:54,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828709818] [2023-11-19 07:48:54,177 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 07:48:54,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:54,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:54,179 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:48:54,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-19 07:48:54,728 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-19 07:48:54,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:48:54,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 787 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:48:54,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:54,802 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-19 07:48:54,802 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:48:54,929 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-19 07:48:54,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828709818] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:48:54,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:48:54,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2023-11-19 07:48:54,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285940524] [2023-11-19 07:48:54,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:48:54,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-19 07:48:54,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:54,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-19 07:48:54,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-19 07:48:54,932 INFO L87 Difference]: Start difference. First operand 611 states and 820 transitions. Second operand has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:55,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:55,342 INFO L93 Difference]: Finished difference Result 1204 states and 1632 transitions. [2023-11-19 07:48:55,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-19 07:48:55,342 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 76 [2023-11-19 07:48:55,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:55,347 INFO L225 Difference]: With dead ends: 1204 [2023-11-19 07:48:55,347 INFO L226 Difference]: Without dead ends: 646 [2023-11-19 07:48:55,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=330, Invalid=792, Unknown=0, NotChecked=0, Total=1122 [2023-11-19 07:48:55,350 INFO L413 NwaCegarLoop]: 682 mSDtfsCounter, 11 mSDsluCounter, 2708 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 3390 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:55,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 3390 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:48:55,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2023-11-19 07:48:55,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 646. [2023-11-19 07:48:55,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 553 states have (on average 1.4701627486437614) internal successors, (813), 621 states have internal predecessors, (813), 23 states have call successors, (23), 5 states have call predecessors, (23), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:48:55,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 855 transitions. [2023-11-19 07:48:55,389 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 855 transitions. Word has length 76 [2023-11-19 07:48:55,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:55,390 INFO L495 AbstractCegarLoop]: Abstraction has 646 states and 855 transitions. [2023-11-19 07:48:55,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:55,390 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 855 transitions. [2023-11-19 07:48:55,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-19 07:48:55,391 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:55,392 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:55,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:55,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-19 07:48:55,615 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:48:55,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:55,615 INFO L85 PathProgramCache]: Analyzing trace with hash -46117046, now seen corresponding path program 1 times [2023-11-19 07:48:55,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:55,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069266194] [2023-11-19 07:48:55,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:55,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:56,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:48:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:56,054 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-19 07:48:56,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:56,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069266194] [2023-11-19 07:48:56,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069266194] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:48:56,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459832733] [2023-11-19 07:48:56,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:56,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:56,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:56,057 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:48:56,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-19 07:48:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:56,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:48:56,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:56,746 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-19 07:48:56,746 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:48:56,844 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-19 07:48:56,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459832733] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:48:56,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:48:56,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2023-11-19 07:48:56,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303089322] [2023-11-19 07:48:56,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:48:56,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-19 07:48:56,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:56,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-19 07:48:56,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-19 07:48:56,847 INFO L87 Difference]: Start difference. First operand 646 states and 855 transitions. Second operand has 13 states, 12 states have (on average 5.833333333333333) internal successors, (70), 13 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:57,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:57,533 INFO L93 Difference]: Finished difference Result 3881 states and 5611 transitions. [2023-11-19 07:48:57,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 07:48:57,534 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.833333333333333) internal successors, (70), 13 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 100 [2023-11-19 07:48:57,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:57,600 INFO L225 Difference]: With dead ends: 3881 [2023-11-19 07:48:57,600 INFO L226 Difference]: Without dead ends: 3880 [2023-11-19 07:48:57,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-19 07:48:57,602 INFO L413 NwaCegarLoop]: 680 mSDtfsCounter, 5940 mSDsluCounter, 7234 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6010 SdHoareTripleChecker+Valid, 7914 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:57,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6010 Valid, 7914 Invalid, 257 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [33 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:48:57,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3880 states. [2023-11-19 07:48:57,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3880 to 670. [2023-11-19 07:48:57,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 577 states have (on average 1.4610051993067592) internal successors, (843), 645 states have internal predecessors, (843), 23 states have call successors, (23), 5 states have call predecessors, (23), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:48:57,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 885 transitions. [2023-11-19 07:48:57,691 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 885 transitions. Word has length 100 [2023-11-19 07:48:57,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:57,692 INFO L495 AbstractCegarLoop]: Abstraction has 670 states and 885 transitions. [2023-11-19 07:48:57,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.833333333333333) internal successors, (70), 13 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:48:57,692 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 885 transitions. [2023-11-19 07:48:57,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-19 07:48:57,694 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:57,694 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:57,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:57,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:57,908 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:48:57,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:57,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1237524553, now seen corresponding path program 1 times [2023-11-19 07:48:57,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:57,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567920935] [2023-11-19 07:48:57,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:57,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:48:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:48:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,211 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-19 07:48:58,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:58,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567920935] [2023-11-19 07:48:58,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567920935] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:58,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:58,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:48:58,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018292291] [2023-11-19 07:48:58,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:58,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:48:58,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:58,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:48:58,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:48:58,214 INFO L87 Difference]: Start difference. First operand 670 states and 885 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:48:58,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:58,837 INFO L93 Difference]: Finished difference Result 1190 states and 1621 transitions. [2023-11-19 07:48:58,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:48:58,838 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 106 [2023-11-19 07:48:58,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:58,843 INFO L225 Difference]: With dead ends: 1190 [2023-11-19 07:48:58,843 INFO L226 Difference]: Without dead ends: 777 [2023-11-19 07:48:58,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:48:58,846 INFO L413 NwaCegarLoop]: 766 mSDtfsCounter, 172 mSDsluCounter, 1165 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 1931 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:58,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 1931 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 07:48:58,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2023-11-19 07:48:58,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 673. [2023-11-19 07:48:58,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 582 states have (on average 1.4553264604810996) internal successors, (847), 648 states have internal predecessors, (847), 23 states have call successors, (23), 5 states have call predecessors, (23), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:48:58,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 889 transitions. [2023-11-19 07:48:58,898 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 889 transitions. Word has length 106 [2023-11-19 07:48:58,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:58,898 INFO L495 AbstractCegarLoop]: Abstraction has 673 states and 889 transitions. [2023-11-19 07:48:58,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:48:58,899 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 889 transitions. [2023-11-19 07:48:58,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-19 07:48:58,900 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:58,900 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:58,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-19 07:48:58,901 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:48:58,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:58,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1238157044, now seen corresponding path program 1 times [2023-11-19 07:48:58,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:58,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485983415] [2023-11-19 07:48:58,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:58,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:59,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:48:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:59,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:48:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:59,250 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-19 07:48:59,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:59,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485983415] [2023-11-19 07:48:59,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485983415] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:59,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:59,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:48:59,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110740738] [2023-11-19 07:48:59,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:59,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:48:59,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:59,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:48:59,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:48:59,253 INFO L87 Difference]: Start difference. First operand 673 states and 889 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:48:59,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:59,847 INFO L93 Difference]: Finished difference Result 708 states and 932 transitions. [2023-11-19 07:48:59,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:48:59,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 106 [2023-11-19 07:48:59,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:59,853 INFO L225 Difference]: With dead ends: 708 [2023-11-19 07:48:59,853 INFO L226 Difference]: Without dead ends: 705 [2023-11-19 07:48:59,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:48:59,854 INFO L413 NwaCegarLoop]: 620 mSDtfsCounter, 407 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 1363 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:59,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 1363 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 07:48:59,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2023-11-19 07:48:59,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 670. [2023-11-19 07:48:59,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 582 states have (on average 1.4501718213058419) internal successors, (844), 645 states have internal predecessors, (844), 23 states have call successors, (23), 5 states have call predecessors, (23), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:48:59,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 886 transitions. [2023-11-19 07:48:59,902 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 886 transitions. Word has length 106 [2023-11-19 07:48:59,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:59,902 INFO L495 AbstractCegarLoop]: Abstraction has 670 states and 886 transitions. [2023-11-19 07:48:59,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:48:59,903 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 886 transitions. [2023-11-19 07:48:59,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-19 07:48:59,904 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:59,904 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:59,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-19 07:48:59,905 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:48:59,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:59,905 INFO L85 PathProgramCache]: Analyzing trace with hash -291443871, now seen corresponding path program 1 times [2023-11-19 07:48:59,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:59,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902172526] [2023-11-19 07:48:59,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:59,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:00,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:49:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:00,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:49:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:00,165 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-19 07:49:00,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:00,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902172526] [2023-11-19 07:49:00,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902172526] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:00,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:00,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:49:00,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432715694] [2023-11-19 07:49:00,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:00,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:49:00,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:00,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:49:00,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:49:00,168 INFO L87 Difference]: Start difference. First operand 670 states and 886 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:49:00,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:49:00,779 INFO L93 Difference]: Finished difference Result 1196 states and 1628 transitions. [2023-11-19 07:49:00,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:49:00,782 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 107 [2023-11-19 07:49:00,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:49:00,787 INFO L225 Difference]: With dead ends: 1196 [2023-11-19 07:49:00,787 INFO L226 Difference]: Without dead ends: 779 [2023-11-19 07:49:00,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:49:00,790 INFO L413 NwaCegarLoop]: 727 mSDtfsCounter, 293 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 1775 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:49:00,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 1775 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 07:49:00,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2023-11-19 07:49:00,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 655. [2023-11-19 07:49:00,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 571 states have (on average 1.4430823117338003) internal successors, (824), 630 states have internal predecessors, (824), 23 states have call successors, (23), 5 states have call predecessors, (23), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:49:00,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 866 transitions. [2023-11-19 07:49:00,836 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 866 transitions. Word has length 107 [2023-11-19 07:49:00,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:49:00,837 INFO L495 AbstractCegarLoop]: Abstraction has 655 states and 866 transitions. [2023-11-19 07:49:00,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:49:00,837 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 866 transitions. [2023-11-19 07:49:00,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-19 07:49:00,839 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:49:00,839 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:00,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-19 07:49:00,839 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:49:00,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:00,840 INFO L85 PathProgramCache]: Analyzing trace with hash -271836590, now seen corresponding path program 1 times [2023-11-19 07:49:00,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:00,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743470477] [2023-11-19 07:49:00,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:00,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:01,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:49:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:01,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:49:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:01,175 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-19 07:49:01,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:01,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743470477] [2023-11-19 07:49:01,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743470477] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:01,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:01,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:49:01,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755544289] [2023-11-19 07:49:01,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:01,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:49:01,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:01,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:49:01,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:49:01,178 INFO L87 Difference]: Start difference. First operand 655 states and 866 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:49:01,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:49:01,805 INFO L93 Difference]: Finished difference Result 735 states and 977 transitions. [2023-11-19 07:49:01,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:49:01,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 107 [2023-11-19 07:49:01,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:49:01,811 INFO L225 Difference]: With dead ends: 735 [2023-11-19 07:49:01,811 INFO L226 Difference]: Without dead ends: 734 [2023-11-19 07:49:01,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:49:01,812 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 435 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 445 SdHoareTripleChecker+Valid, 1457 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:49:01,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [445 Valid, 1457 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 07:49:01,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2023-11-19 07:49:01,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 654. [2023-11-19 07:49:01,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 571 states have (on average 1.4413309982486866) internal successors, (823), 629 states have internal predecessors, (823), 23 states have call successors, (23), 5 states have call predecessors, (23), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:49:01,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 865 transitions. [2023-11-19 07:49:01,859 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 865 transitions. Word has length 107 [2023-11-19 07:49:01,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:49:01,859 INFO L495 AbstractCegarLoop]: Abstraction has 654 states and 865 transitions. [2023-11-19 07:49:01,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:49:01,860 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 865 transitions. [2023-11-19 07:49:01,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 07:49:01,861 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:49:01,862 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:01,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-19 07:49:01,862 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:49:01,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:01,863 INFO L85 PathProgramCache]: Analyzing trace with hash 624452279, now seen corresponding path program 1 times [2023-11-19 07:49:01,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:01,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822230433] [2023-11-19 07:49:01,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:01,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:02,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:49:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:02,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:49:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:02,256 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-19 07:49:02,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:02,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822230433] [2023-11-19 07:49:02,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822230433] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:49:02,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557947127] [2023-11-19 07:49:02,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:02,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:49:02,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:49:02,260 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:49:02,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-19 07:49:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:02,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 992 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:49:02,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:49:02,941 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-19 07:49:02,941 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:49:02,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557947127] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:02,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:49:02,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2023-11-19 07:49:02,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154372653] [2023-11-19 07:49:02,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:02,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:49:02,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:02,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:49:02,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:49:02,943 INFO L87 Difference]: Start difference. First operand 654 states and 865 transitions. Second operand has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:49:03,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:49:03,163 INFO L93 Difference]: Finished difference Result 1192 states and 1619 transitions. [2023-11-19 07:49:03,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:49:03,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 108 [2023-11-19 07:49:03,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:49:03,168 INFO L225 Difference]: With dead ends: 1192 [2023-11-19 07:49:03,169 INFO L226 Difference]: Without dead ends: 728 [2023-11-19 07:49:03,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:49:03,171 INFO L413 NwaCegarLoop]: 729 mSDtfsCounter, 475 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 1772 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:49:03,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 1772 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:49:03,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2023-11-19 07:49:03,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 653. [2023-11-19 07:49:03,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 572 states have (on average 1.4335664335664335) internal successors, (820), 628 states have internal predecessors, (820), 23 states have call successors, (23), 5 states have call predecessors, (23), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:49:03,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 862 transitions. [2023-11-19 07:49:03,215 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 862 transitions. Word has length 108 [2023-11-19 07:49:03,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:49:03,216 INFO L495 AbstractCegarLoop]: Abstraction has 653 states and 862 transitions. [2023-11-19 07:49:03,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:49:03,216 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 862 transitions. [2023-11-19 07:49:03,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-19 07:49:03,218 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:49:03,218 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:03,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-19 07:49:03,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:49:03,432 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:49:03,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:03,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1196766598, now seen corresponding path program 1 times [2023-11-19 07:49:03,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:03,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764831196] [2023-11-19 07:49:03,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:03,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:03,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:49:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:03,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:49:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:03,688 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2023-11-19 07:49:03,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:03,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764831196] [2023-11-19 07:49:03,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764831196] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:03,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:03,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:49:03,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767295053] [2023-11-19 07:49:03,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:03,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:49:03,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:03,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:49:03,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:49:03,691 INFO L87 Difference]: Start difference. First operand 653 states and 862 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:49:04,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:49:04,158 INFO L93 Difference]: Finished difference Result 684 states and 900 transitions. [2023-11-19 07:49:04,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:49:04,159 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 110 [2023-11-19 07:49:04,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:49:04,164 INFO L225 Difference]: With dead ends: 684 [2023-11-19 07:49:04,164 INFO L226 Difference]: Without dead ends: 683 [2023-11-19 07:49:04,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:49:04,165 INFO L413 NwaCegarLoop]: 662 mSDtfsCounter, 56 mSDsluCounter, 1130 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:49:04,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 1792 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 07:49:04,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2023-11-19 07:49:04,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 652. [2023-11-19 07:49:04,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 572 states have (on average 1.4318181818181819) internal successors, (819), 627 states have internal predecessors, (819), 23 states have call successors, (23), 5 states have call predecessors, (23), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:49:04,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 861 transitions. [2023-11-19 07:49:04,208 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 861 transitions. Word has length 110 [2023-11-19 07:49:04,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:49:04,209 INFO L495 AbstractCegarLoop]: Abstraction has 652 states and 861 transitions. [2023-11-19 07:49:04,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:49:04,209 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 861 transitions. [2023-11-19 07:49:04,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-19 07:49:04,211 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:49:04,211 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:04,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-19 07:49:04,211 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:49:04,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:04,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1554941591, now seen corresponding path program 1 times [2023-11-19 07:49:04,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:04,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805072663] [2023-11-19 07:49:04,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:04,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:04,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:49:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:04,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:49:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:05,028 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-19 07:49:05,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:05,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805072663] [2023-11-19 07:49:05,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805072663] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:05,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:05,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:49:05,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954904347] [2023-11-19 07:49:05,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:05,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:49:05,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:05,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:49:05,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:49:05,032 INFO L87 Difference]: Start difference. First operand 652 states and 861 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:49:05,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:49:05,520 INFO L93 Difference]: Finished difference Result 1177 states and 1585 transitions. [2023-11-19 07:49:05,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:49:05,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 111 [2023-11-19 07:49:05,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:49:05,525 INFO L225 Difference]: With dead ends: 1177 [2023-11-19 07:49:05,525 INFO L226 Difference]: Without dead ends: 683 [2023-11-19 07:49:05,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:49:05,527 INFO L413 NwaCegarLoop]: 660 mSDtfsCounter, 56 mSDsluCounter, 1786 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 2446 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:49:05,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 2446 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 07:49:05,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2023-11-19 07:49:05,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 655. [2023-11-19 07:49:05,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 574 states have (on average 1.4320557491289199) internal successors, (822), 630 states have internal predecessors, (822), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 19 states have call predecessors, (22), 19 states have call successors, (22) [2023-11-19 07:49:05,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 867 transitions. [2023-11-19 07:49:05,575 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 867 transitions. Word has length 111 [2023-11-19 07:49:05,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:49:05,575 INFO L495 AbstractCegarLoop]: Abstraction has 655 states and 867 transitions. [2023-11-19 07:49:05,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:49:05,576 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 867 transitions. [2023-11-19 07:49:05,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-19 07:49:05,577 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:49:05,578 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:05,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-19 07:49:05,578 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 75 more)] === [2023-11-19 07:49:05,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:05,578 INFO L85 PathProgramCache]: Analyzing trace with hash -2086009576, now seen corresponding path program 1 times [2023-11-19 07:49:05,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:05,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292603667] [2023-11-19 07:49:05,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:05,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:06,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:49:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:06,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:49:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:06,472 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-19 07:49:06,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:06,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292603667] [2023-11-19 07:49:06,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292603667] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:49:06,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132127949] [2023-11-19 07:49:06,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:06,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:49:06,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:49:06,476 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:49:06,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad41f3e7-9074-4cae-9852-6f548d6e8752/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-19 07:49:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:07,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 1012 conjuncts, 110 conjunts are in the unsatisfiable core [2023-11-19 07:49:07,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:49:07,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:49:07,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:49:07,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-19 07:49:07,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:49:07,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 07:49:07,365 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-19 07:49:07,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-11-19 07:49:07,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 07:49:07,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 07:49:07,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 07:49:07,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 07:49:07,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 07:49:07,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 07:49:07,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 07:49:07,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 07:49:07,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 07:49:07,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 07:49:07,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 07:49:07,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 07:49:08,145 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-11-19 07:49:08,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2023-11-19 07:49:08,287 INFO L349 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2023-11-19 07:49:08,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 27 treesize of output 45 [2023-11-19 07:49:08,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 07:49:08,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 138 [2023-11-19 07:49:08,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:49:08,483 INFO L349 Elim1Store]: treesize reduction 45, result has 2.2 percent of original size [2023-11-19 07:49:08,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 95 treesize of output 78 [2023-11-19 07:49:08,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 26 [2023-11-19 07:49:08,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 132 [2023-11-19 07:49:08,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:49:08,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 144 [2023-11-19 07:49:08,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:49:08,552 INFO L349 Elim1Store]: treesize reduction 41, result has 10.9 percent of original size [2023-11-19 07:49:08,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 89 [2023-11-19 07:49:08,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:49:08,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 11 [2023-11-19 07:49:08,593 INFO L349 Elim1Store]: treesize reduction 8, result has 75.8 percent of original size [2023-11-19 07:49:08,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 40 [2023-11-19 07:49:08,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 138 [2023-11-19 07:49:08,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:49:08,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 106 [2023-11-19 07:49:08,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:49:08,653 INFO L349 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2023-11-19 07:49:08,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 78 [2023-11-19 07:49:08,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 100 [2023-11-19 07:49:08,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:49:08,685 INFO L349 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2023-11-19 07:49:08,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 72 [2023-11-19 07:49:08,734 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-19 07:49:08,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 68 [2023-11-19 07:49:08,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2023-11-19 07:49:08,826 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-19 07:49:08,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 68 [2023-11-19 07:49:08,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2023-11-19 07:49:08,884 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-19 07:49:08,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 68 [2023-11-19 07:49:08,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2023-11-19 07:49:08,940 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-19 07:49:08,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 68 [2023-11-19 07:49:08,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2023-11-19 07:49:08,997 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-19 07:49:08,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 68 [2023-11-19 07:49:09,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2023-11-19 07:49:09,053 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-19 07:49:09,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 68 [2023-11-19 07:49:09,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2023-11-19 07:49:09,107 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-19 07:49:09,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 68 [2023-11-19 07:49:09,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2023-11-19 07:49:09,159 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-19 07:49:09,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 68 [2023-11-19 07:49:09,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2023-11-19 07:49:09,215 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2023-11-19 07:49:09,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 68 [2023-11-19 07:49:09,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2023-11-19 07:49:09,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 17 [2023-11-19 07:49:09,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 07:49:09,446 WARN L876 $PredicateComparison]: unable to prove that (exists ((|#Ultimate.C_memset_#ptr.base| Int)) (= (store |c_old(#memory_int)| |#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_int)| |#Ultimate.C_memset_#ptr.base|) |c_#Ultimate.C_memset_#ptr.offset| |c_#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2023-11-19 07:49:09,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-19 07:49:09,744 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 241 trivial. 1 not checked. [2023-11-19 07:49:09,744 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:49:11,274 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4340 (Array Int Int)) (v_ArrVal_4336 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (v_ArrVal_4338 (Array Int Int)) (v_ArrVal_4339 (Array Int Int))) (let ((.cse0 (select (let ((.cse4 (+ (* |c_ULTIMATE.start_main_~i~5#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse4))) (let ((.cse3 (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_4337))) (let ((.cse2 (select (select .cse3 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse4))) (store (store (store |c_#memory_int| .cse1 v_ArrVal_4336) .cse2 v_ArrVal_4339) (select (select (store .cse3 .cse2 v_ArrVal_4338) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse4) v_ArrVal_4340))))) 12))) (or (not (= (select .cse0 0) 33)) (not (= (mod (select .cse0 1) 256) 43))))) is different from false [2023-11-19 07:49:11,329 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4340 (Array Int Int)) (v_ArrVal_4334 (Array Int Int)) (v_ArrVal_4335 (Array Int Int)) (v_ArrVal_4336 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (v_ArrVal_4338 (Array Int Int)) (v_ArrVal_4339 (Array Int Int))) (let ((.cse0 (select (let ((.cse5 (+ (* |c_ULTIMATE.start_main_~i~5#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse5))) (let ((.cse6 (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_4335))) (let ((.cse2 (select (select .cse6 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse5))) (let ((.cse4 (store .cse6 .cse2 v_ArrVal_4337))) (let ((.cse3 (select (select .cse4 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse5))) (store (store (store (store |c_#memory_int| .cse1 v_ArrVal_4334) .cse2 v_ArrVal_4336) .cse3 v_ArrVal_4339) (select (select (store .cse4 .cse3 v_ArrVal_4338) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse5) v_ArrVal_4340))))))) 12))) (or (not (= 43 (mod (select .cse0 1) 256))) (not (= (select .cse0 0) 33))))) is different from false [2023-11-19 07:49:11,397 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4340 (Array Int Int)) (v_ArrVal_4332 (Array Int Int)) (v_ArrVal_4333 (Array Int Int)) (v_ArrVal_4334 (Array Int Int)) (v_ArrVal_4335 (Array Int Int)) (v_ArrVal_4336 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (v_ArrVal_4338 (Array Int Int)) (v_ArrVal_4339 (Array Int Int))) (let ((.cse0 (select (let ((.cse6 (+ (* |c_ULTIMATE.start_main_~i~5#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse6))) (let ((.cse8 (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_4332))) (let ((.cse2 (select (select .cse8 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse6))) (let ((.cse7 (store .cse8 .cse2 v_ArrVal_4335))) (let ((.cse3 (select (select .cse7 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse6))) (let ((.cse5 (store .cse7 .cse3 v_ArrVal_4337))) (let ((.cse4 (select (select .cse5 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse6))) (store (store (store (store (store |c_#memory_int| .cse1 v_ArrVal_4333) .cse2 v_ArrVal_4334) .cse3 v_ArrVal_4336) .cse4 v_ArrVal_4339) (select (select (store .cse5 .cse4 v_ArrVal_4338) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse6) v_ArrVal_4340))))))))) 12))) (or (not (= 33 (select .cse0 0))) (not (= (mod (select .cse0 1) 256) 43))))) is different from false [2023-11-19 07:49:11,479 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4340 (Array Int Int)) (v_ArrVal_4330 (Array Int Int)) (v_ArrVal_4331 (Array Int Int)) (v_ArrVal_4332 (Array Int Int)) (v_ArrVal_4333 (Array Int Int)) (v_ArrVal_4334 (Array Int Int)) (v_ArrVal_4335 (Array Int Int)) (v_ArrVal_4336 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (v_ArrVal_4338 (Array Int Int)) (v_ArrVal_4339 (Array Int Int))) (let ((.cse0 (select (let ((.cse7 (+ (* |c_ULTIMATE.start_main_~i~5#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse7))) (let ((.cse10 (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_4331))) (let ((.cse2 (select (select .cse10 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse7))) (let ((.cse9 (store .cse10 .cse2 v_ArrVal_4332))) (let ((.cse3 (select (select .cse9 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse7))) (let ((.cse8 (store .cse9 .cse3 v_ArrVal_4335))) (let ((.cse4 (select (select .cse8 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse7))) (let ((.cse6 (store .cse8 .cse4 v_ArrVal_4337))) (let ((.cse5 (select (select .cse6 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse7))) (store (store (store (store (store (store |c_#memory_int| .cse1 v_ArrVal_4330) .cse2 v_ArrVal_4333) .cse3 v_ArrVal_4334) .cse4 v_ArrVal_4336) .cse5 v_ArrVal_4339) (select (select (store .cse6 .cse5 v_ArrVal_4338) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse7) v_ArrVal_4340))))))))))) 12))) (or (not (= (select .cse0 0) 33)) (not (= (mod (select .cse0 1) 256) 43))))) is different from false [2023-11-19 07:49:11,583 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4340 (Array Int Int)) (v_ArrVal_4330 (Array Int Int)) (v_ArrVal_4331 (Array Int Int)) (v_ArrVal_4332 (Array Int Int)) (v_ArrVal_4333 (Array Int Int)) (v_ArrVal_4334 (Array Int Int)) (v_ArrVal_4335 (Array Int Int)) (v_ArrVal_4336 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (v_ArrVal_4338 (Array Int Int)) (v_ArrVal_4328 (Array Int Int)) (v_ArrVal_4339 (Array Int Int)) (v_ArrVal_4329 (Array Int Int))) (let ((.cse0 (select (let ((.cse8 (+ (* |c_ULTIMATE.start_main_~i~5#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (let ((.cse12 (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_4329))) (let ((.cse2 (select (select .cse12 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (let ((.cse11 (store .cse12 .cse2 v_ArrVal_4331))) (let ((.cse3 (select (select .cse11 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (let ((.cse10 (store .cse11 .cse3 v_ArrVal_4332))) (let ((.cse4 (select (select .cse10 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (let ((.cse9 (store .cse10 .cse4 v_ArrVal_4335))) (let ((.cse5 (select (select .cse9 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (let ((.cse7 (store .cse9 .cse5 v_ArrVal_4337))) (let ((.cse6 (select (select .cse7 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (store (store (store (store (store (store (store |c_#memory_int| .cse1 v_ArrVal_4328) .cse2 v_ArrVal_4330) .cse3 v_ArrVal_4333) .cse4 v_ArrVal_4334) .cse5 v_ArrVal_4336) .cse6 v_ArrVal_4339) (select (select (store .cse7 .cse6 v_ArrVal_4338) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8) v_ArrVal_4340))))))))))))) 12))) (or (not (= (mod (select .cse0 1) 256) 43)) (not (= (select .cse0 0) 33))))) is different from false [2023-11-19 07:49:11,778 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4340 (Array Int Int)) (v_ArrVal_4330 (Array Int Int)) (v_ArrVal_4331 (Array Int Int)) (v_ArrVal_4332 (Array Int Int)) (v_ArrVal_4333 (Array Int Int)) (v_ArrVal_4334 (Array Int Int)) (v_ArrVal_4335 (Array Int Int)) (v_ArrVal_4336 (Array Int Int)) (v_ArrVal_4326 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (v_ArrVal_4327 (Array Int Int)) (v_ArrVal_4338 (Array Int Int)) (v_ArrVal_4328 (Array Int Int)) (v_ArrVal_4339 (Array Int Int)) (v_ArrVal_4329 (Array Int Int))) (let ((.cse0 (select (let ((.cse9 (+ (* |c_ULTIMATE.start_main_~i~5#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse14 (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_4327))) (let ((.cse2 (select (select .cse14 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse13 (store .cse14 .cse2 v_ArrVal_4329))) (let ((.cse3 (select (select .cse13 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse12 (store .cse13 .cse3 v_ArrVal_4331))) (let ((.cse4 (select (select .cse12 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse11 (store .cse12 .cse4 v_ArrVal_4332))) (let ((.cse5 (select (select .cse11 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse10 (store .cse11 .cse5 v_ArrVal_4335))) (let ((.cse6 (select (select .cse10 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse8 (store .cse10 .cse6 v_ArrVal_4337))) (let ((.cse7 (select (select .cse8 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (store (store (store (store (store (store (store (store |c_#memory_int| .cse1 v_ArrVal_4326) .cse2 v_ArrVal_4328) .cse3 v_ArrVal_4330) .cse4 v_ArrVal_4333) .cse5 v_ArrVal_4334) .cse6 v_ArrVal_4336) .cse7 v_ArrVal_4339) (select (select (store .cse8 .cse7 v_ArrVal_4338) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9) v_ArrVal_4340))))))))))))))) 12))) (or (not (= 33 (select .cse0 0))) (not (= 43 (mod (select .cse0 1) 256)))))) is different from false [2023-11-19 07:49:12,443 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4340 (Array Int Int)) (v_ArrVal_4330 (Array Int Int)) (v_ArrVal_4331 (Array Int Int)) (v_ArrVal_4332 (Array Int Int)) (v_ArrVal_4333 (Array Int Int)) (v_ArrVal_4334 (Array Int Int)) (v_ArrVal_4324 (Array Int Int)) (v_ArrVal_4335 (Array Int Int)) (v_ArrVal_4325 (Array Int Int)) (v_ArrVal_4336 (Array Int Int)) (v_ArrVal_4326 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (v_ArrVal_4327 (Array Int Int)) (v_ArrVal_4338 (Array Int Int)) (v_ArrVal_4328 (Array Int Int)) (v_ArrVal_4339 (Array Int Int)) (v_ArrVal_4329 (Array Int Int))) (let ((.cse0 (select (let ((.cse10 (+ (* |c_ULTIMATE.start_main_~i~5#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse16 (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_4324))) (let ((.cse2 (select (select .cse16 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse15 (store .cse16 .cse2 v_ArrVal_4327))) (let ((.cse3 (select (select .cse15 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse14 (store .cse15 .cse3 v_ArrVal_4329))) (let ((.cse4 (select (select .cse14 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse13 (store .cse14 .cse4 v_ArrVal_4331))) (let ((.cse5 (select (select .cse13 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse12 (store .cse13 .cse5 v_ArrVal_4332))) (let ((.cse6 (select (select .cse12 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse11 (store .cse12 .cse6 v_ArrVal_4335))) (let ((.cse7 (select (select .cse11 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse9 (store .cse11 .cse7 v_ArrVal_4337))) (let ((.cse8 (select (select .cse9 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (store (store (store (store (store (store (store (store (store |c_#memory_int| .cse1 v_ArrVal_4325) .cse2 v_ArrVal_4326) .cse3 v_ArrVal_4328) .cse4 v_ArrVal_4330) .cse5 v_ArrVal_4333) .cse6 v_ArrVal_4334) .cse7 v_ArrVal_4336) .cse8 v_ArrVal_4339) (select (select (store .cse9 .cse8 v_ArrVal_4338) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10) v_ArrVal_4340))))))))))))))))) 12))) (or (not (= (select .cse0 0) 33)) (not (= (mod (select .cse0 1) 256) 43))))) is different from false [2023-11-19 07:49:15,831 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4340 (Array Int Int)) (v_ArrVal_4330 (Array Int Int)) (v_ArrVal_4331 (Array Int Int)) (v_ArrVal_4332 (Array Int Int)) (v_ArrVal_4322 (Array Int Int)) (v_ArrVal_4333 (Array Int Int)) (v_ArrVal_4323 (Array Int Int)) (v_ArrVal_4334 (Array Int Int)) (v_ArrVal_4324 (Array Int Int)) (v_ArrVal_4335 (Array Int Int)) (v_ArrVal_4325 (Array Int Int)) (v_ArrVal_4336 (Array Int Int)) (v_ArrVal_4326 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (v_ArrVal_4327 (Array Int Int)) (v_ArrVal_4338 (Array Int Int)) (v_ArrVal_4328 (Array Int Int)) (v_ArrVal_4339 (Array Int Int)) (v_ArrVal_4329 (Array Int Int))) (let ((.cse0 (select (let ((.cse11 (+ (* |c_ULTIMATE.start_main_~i~5#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse11))) (let ((.cse18 (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_4323))) (let ((.cse2 (select (select .cse18 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse11))) (let ((.cse17 (store .cse18 .cse2 v_ArrVal_4324))) (let ((.cse3 (select (select .cse17 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse11))) (let ((.cse16 (store .cse17 .cse3 v_ArrVal_4327))) (let ((.cse4 (select (select .cse16 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse11))) (let ((.cse15 (store .cse16 .cse4 v_ArrVal_4329))) (let ((.cse5 (select (select .cse15 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse11))) (let ((.cse14 (store .cse15 .cse5 v_ArrVal_4331))) (let ((.cse6 (select (select .cse14 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse11))) (let ((.cse13 (store .cse14 .cse6 v_ArrVal_4332))) (let ((.cse7 (select (select .cse13 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse11))) (let ((.cse12 (store .cse13 .cse7 v_ArrVal_4335))) (let ((.cse8 (select (select .cse12 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse11))) (let ((.cse10 (store .cse12 .cse8 v_ArrVal_4337))) (let ((.cse9 (select (select .cse10 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse11))) (store (store (store (store (store (store (store (store (store (store |c_#memory_int| .cse1 v_ArrVal_4322) .cse2 v_ArrVal_4325) .cse3 v_ArrVal_4326) .cse4 v_ArrVal_4328) .cse5 v_ArrVal_4330) .cse6 v_ArrVal_4333) .cse7 v_ArrVal_4334) .cse8 v_ArrVal_4336) .cse9 v_ArrVal_4339) (select (select (store .cse10 .cse9 v_ArrVal_4338) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse11) v_ArrVal_4340))))))))))))))))))) 12))) (or (not (= 43 (mod (select .cse0 1) 256))) (not (= (select .cse0 0) 33))))) is different from false [2023-11-19 07:49:15,868 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:49:15,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 106475 treesize of output 57359