./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/head-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_763c2a69-28fd-44ea-9e41-bb8d6d204a4c/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763c2a69-28fd-44ea-9e41-bb8d6d204a4c/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763c2a69-28fd-44ea-9e41-bb8d6d204a4c/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763c2a69-28fd-44ea-9e41-bb8d6d204a4c/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763c2a69-28fd-44ea-9e41-bb8d6d204a4c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763c2a69-28fd-44ea-9e41-bb8d6d204a4c/bin/ukojak-verify-1t5iHCbJaC --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e7c6e6d6b508cc7e8b4b8b024471ff0eb17f579c7977a910bbe95623e5bb1a4e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:07:02,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:07:02,220 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763c2a69-28fd-44ea-9e41-bb8d6d204a4c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:07:02,227 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:07:02,228 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:07:02,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:07:02,267 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:07:02,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:07:02,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:07:02,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:07:02,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:07:02,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:07:02,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:07:02,278 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:07:02,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:07:02,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:07:02,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:07:02,280 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:07:02,280 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:07:02,281 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:07:02,281 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:07:02,282 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:07:02,283 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:07:02,283 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:07:02,285 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:07:02,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:02,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:07:02,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:07:02,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:07:02,287 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:07:02,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:07:02,289 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:07:02,289 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_763c2a69-28fd-44ea-9e41-bb8d6d204a4c/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763c2a69-28fd-44ea-9e41-bb8d6d204a4c/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7c6e6d6b508cc7e8b4b8b024471ff0eb17f579c7977a910bbe95623e5bb1a4e [2023-11-23 20:07:02,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:07:02,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:07:02,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:07:02,609 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:07:02,610 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:07:02,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763c2a69-28fd-44ea-9e41-bb8d6d204a4c/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/busybox-1.22.0/head-2.i [2023-11-23 20:07:05,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:07:06,222 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:07:06,224 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763c2a69-28fd-44ea-9e41-bb8d6d204a4c/sv-benchmarks/c/busybox-1.22.0/head-2.i [2023-11-23 20:07:06,255 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763c2a69-28fd-44ea-9e41-bb8d6d204a4c/bin/ukojak-verify-1t5iHCbJaC/data/abea0e5cb/f29141f1df324d2d8ba50ae1bcb36769/FLAG70a4b492c [2023-11-23 20:07:06,274 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763c2a69-28fd-44ea-9e41-bb8d6d204a4c/bin/ukojak-verify-1t5iHCbJaC/data/abea0e5cb/f29141f1df324d2d8ba50ae1bcb36769 [2023-11-23 20:07:06,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:07:06,281 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:07:06,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:06,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:07:06,289 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:07:06,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:06" (1/1) ... [2023-11-23 20:07:06,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc6d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:06, skipping insertion in model container [2023-11-23 20:07:06,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:06" (1/1) ... [2023-11-23 20:07:06,392 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:07:07,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:07,875 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:07:08,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:08,328 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:08,329 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:08,329 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:08,329 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:08,329 WARN L675 CHandler]: The function ferror is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:08,330 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:08,330 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:08,330 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:08,330 WARN L675 CHandler]: The function fgetc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:08,338 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:07:08,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:08 WrapperNode [2023-11-23 20:07:08,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:08,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:08,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:07:08,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:07:08,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:08" (1/1) ... [2023-11-23 20:07:08,402 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:08" (1/1) ... [2023-11-23 20:07:08,477 INFO L138 Inliner]: procedures = 581, calls = 371, calls flagged for inlining = 30, calls inlined = 28, statements flattened = 1128 [2023-11-23 20:07:08,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:08,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:07:08,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:07:08,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:07:08,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:08" (1/1) ... [2023-11-23 20:07:08,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:08" (1/1) ... [2023-11-23 20:07:08,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:08" (1/1) ... [2023-11-23 20:07:08,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:08" (1/1) ... [2023-11-23 20:07:08,570 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:08" (1/1) ... [2023-11-23 20:07:08,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:08" (1/1) ... [2023-11-23 20:07:08,614 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:08" (1/1) ... [2023-11-23 20:07:08,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:08" (1/1) ... [2023-11-23 20:07:08,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:07:08,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:07:08,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:07:08,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:07:08,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:08" (1/1) ... [2023-11-23 20:07:08,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:08,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763c2a69-28fd-44ea-9e41-bb8d6d204a4c/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:07:08,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763c2a69-28fd-44ea-9e41-bb8d6d204a4c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:07:08,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_763c2a69-28fd-44ea-9e41-bb8d6d204a4c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:07:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-23 20:07:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc [2023-11-23 20:07:08,726 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc [2023-11-23 20:07:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2023-11-23 20:07:08,727 INFO L138 BoogieDeclarations]: Found implementation of procedure _IO_getc [2023-11-23 20:07:08,727 INFO L130 BoogieDeclarations]: Found specification of procedure xrealloc [2023-11-23 20:07:08,727 INFO L138 BoogieDeclarations]: Found implementation of procedure xrealloc [2023-11-23 20:07:08,727 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-23 20:07:08,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:07:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 20:07:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-23 20:07:08,728 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-23 20:07:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-11-23 20:07:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:07:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:07:08,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:07:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-23 20:07:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-23 20:07:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:07:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:07:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:07:08,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:07:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 20:07:08,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 20:07:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-23 20:07:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-23 20:07:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure getopt [2023-11-23 20:07:08,733 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt [2023-11-23 20:07:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 20:07:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 20:07:08,734 INFO L130 BoogieDeclarations]: Found specification of procedure bb_simple_perror_msg [2023-11-23 20:07:08,735 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_simple_perror_msg [2023-11-23 20:07:08,735 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-23 20:07:08,735 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:07:08,736 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:07:08,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:07:08,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:07:08,737 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-11-23 20:07:08,737 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2023-11-23 20:07:08,738 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-11-23 20:07:08,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:07:08,738 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc_fgets [2023-11-23 20:07:08,738 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc_fgets [2023-11-23 20:07:08,738 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-23 20:07:08,738 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-23 20:07:08,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:07:09,321 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:07:09,324 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:07:10,625 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:07:10,937 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:07:10,937 INFO L309 CfgBuilder]: Removed 18 assume(true) statements. [2023-11-23 20:07:10,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:10 BoogieIcfgContainer [2023-11-23 20:07:10,939 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:07:10,940 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:07:10,940 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:07:10,951 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:07:10,951 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:10" (1/1) ... [2023-11-23 20:07:10,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:07:11,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:11,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 306 states and 421 transitions. [2023-11-23 20:07:11,031 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 421 transitions. [2023-11-23 20:07:11,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:07:11,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:11,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:11,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:11,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:11,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 308 states and 424 transitions. [2023-11-23 20:07:11,801 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 424 transitions. [2023-11-23 20:07:11,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:07:11,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:11,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:11,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:11,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:12,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 309 states and 425 transitions. [2023-11-23 20:07:12,004 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 425 transitions. [2023-11-23 20:07:12,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:07:12,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:12,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:12,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:12,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:12,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 311 states and 428 transitions. [2023-11-23 20:07:12,282 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 428 transitions. [2023-11-23 20:07:12,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:07:12,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:12,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:12,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:07:12,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:12,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 310 states and 427 transitions. [2023-11-23 20:07:12,575 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 427 transitions. [2023-11-23 20:07:12,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:07:12,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:12,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:12,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:12,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:12,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 311 states and 428 transitions. [2023-11-23 20:07:12,791 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 428 transitions. [2023-11-23 20:07:12,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:07:12,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:12,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:13,004 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:07:13,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:13,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 310 states and 427 transitions. [2023-11-23 20:07:13,142 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 427 transitions. [2023-11-23 20:07:13,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:07:13,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:13,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:13,301 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:07:13,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:13,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 309 states and 426 transitions. [2023-11-23 20:07:13,349 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 426 transitions. [2023-11-23 20:07:13,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:07:13,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:13,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:13,589 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:13,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:13,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 312 states and 429 transitions. [2023-11-23 20:07:13,795 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 429 transitions. [2023-11-23 20:07:13,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:07:13,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:13,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:14,035 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:14,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:14,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 315 states and 432 transitions. [2023-11-23 20:07:14,200 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 432 transitions. [2023-11-23 20:07:14,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:07:14,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:14,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:14,568 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:14,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:14,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 318 states and 435 transitions. [2023-11-23 20:07:14,767 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 435 transitions. [2023-11-23 20:07:14,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:07:14,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:14,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:15,045 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:15,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:15,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 321 states and 438 transitions. [2023-11-23 20:07:15,251 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 438 transitions. [2023-11-23 20:07:15,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:07:15,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:15,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:15,562 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:15,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:15,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 324 states and 441 transitions. [2023-11-23 20:07:15,790 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 441 transitions. [2023-11-23 20:07:15,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:07:15,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:15,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:16,135 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:16,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:16,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 327 states and 444 transitions. [2023-11-23 20:07:16,364 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 444 transitions. [2023-11-23 20:07:16,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:07:16,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:16,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:16,740 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:16,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:16,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 330 states and 447 transitions. [2023-11-23 20:07:16,980 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 447 transitions. [2023-11-23 20:07:16,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:07:16,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:16,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:17,444 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:07:17,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:17,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 333 states and 449 transitions. [2023-11-23 20:07:17,608 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 449 transitions. [2023-11-23 20:07:17,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:07:17,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:17,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:18,034 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:07:18,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:18,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 332 states and 448 transitions. [2023-11-23 20:07:18,287 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 448 transitions. [2023-11-23 20:07:18,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:07:18,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:18,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:18,457 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:07:18,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:18,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 331 states and 447 transitions. [2023-11-23 20:07:18,482 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 447 transitions. [2023-11-23 20:07:18,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:07:18,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:18,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:18,646 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:07:18,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:18,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 330 states and 446 transitions. [2023-11-23 20:07:18,778 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 446 transitions. [2023-11-23 20:07:18,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:07:18,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:18,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:19,008 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:07:19,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:19,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 332 states and 449 transitions. [2023-11-23 20:07:19,091 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 449 transitions. [2023-11-23 20:07:19,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:07:19,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:19,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:19,300 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:07:19,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:19,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 333 states and 450 transitions. [2023-11-23 20:07:19,324 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 450 transitions. [2023-11-23 20:07:19,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:07:19,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:19,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:19,441 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:07:19,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:19,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 332 states and 449 transitions. [2023-11-23 20:07:19,456 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 449 transitions. [2023-11-23 20:07:19,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:07:19,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:19,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:19,558 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:07:19,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:19,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 331 states and 448 transitions. [2023-11-23 20:07:19,571 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 448 transitions. [2023-11-23 20:07:19,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:07:19,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:19,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:19,878 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:07:20,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:20,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 333 states and 451 transitions. [2023-11-23 20:07:20,042 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 451 transitions. [2023-11-23 20:07:20,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:07:20,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:20,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:20,290 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-23 20:07:20,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:20,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 339 states and 462 transitions. [2023-11-23 20:07:20,718 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 462 transitions. [2023-11-23 20:07:20,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:07:20,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:20,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:20,931 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-23 20:07:21,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:21,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 338 states and 461 transitions. [2023-11-23 20:07:21,186 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 461 transitions. [2023-11-23 20:07:21,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:07:21,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:21,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:21,387 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-23 20:07:21,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:21,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 339 states and 462 transitions. [2023-11-23 20:07:21,414 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 462 transitions. [2023-11-23 20:07:21,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:07:21,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:21,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:21,518 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:07:21,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:21,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 335 states and 457 transitions. [2023-11-23 20:07:21,533 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 457 transitions. [2023-11-23 20:07:21,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:07:21,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:21,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:21,721 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-23 20:07:22,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:22,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 337 states and 460 transitions. [2023-11-23 20:07:22,137 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 460 transitions. [2023-11-23 20:07:22,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:07:22,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:22,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:22,456 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-23 20:07:22,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:22,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 339 states and 464 transitions. [2023-11-23 20:07:22,944 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 464 transitions. [2023-11-23 20:07:22,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:07:22,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:22,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:23,432 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:07:23,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:23,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 340 states and 466 transitions. [2023-11-23 20:07:23,908 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 466 transitions. [2023-11-23 20:07:23,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:07:23,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:23,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:24,133 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2023-11-23 20:07:24,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:24,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 337 states and 461 transitions. [2023-11-23 20:07:24,409 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 461 transitions. [2023-11-23 20:07:24,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:07:24,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:24,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:24,617 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-11-23 20:07:24,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:24,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 339 states and 462 transitions. [2023-11-23 20:07:24,904 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 462 transitions. [2023-11-23 20:07:24,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:07:24,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:24,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:25,203 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-23 20:07:25,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:25,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 340 states and 463 transitions. [2023-11-23 20:07:25,515 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 463 transitions. [2023-11-23 20:07:25,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:07:25,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:25,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:25,779 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-23 20:07:26,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:26,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 341 states and 464 transitions. [2023-11-23 20:07:26,018 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 464 transitions. [2023-11-23 20:07:26,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:07:26,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:26,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:26,357 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-23 20:07:27,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:27,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 350 states and 479 transitions. [2023-11-23 20:07:27,917 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 479 transitions. [2023-11-23 20:07:27,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:07:27,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:27,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:28,288 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:07:28,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:28,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 353 states and 482 transitions. [2023-11-23 20:07:28,985 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 482 transitions. [2023-11-23 20:07:28,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:07:28,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:28,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:29,384 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:07:29,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:29,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 356 states and 485 transitions. [2023-11-23 20:07:29,970 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 485 transitions. [2023-11-23 20:07:29,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:07:29,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:29,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:30,330 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:07:30,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:30,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 359 states and 488 transitions. [2023-11-23 20:07:30,919 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 488 transitions. [2023-11-23 20:07:30,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 20:07:30,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:30,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:31,368 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:07:31,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:31,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 362 states and 491 transitions. [2023-11-23 20:07:31,999 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 491 transitions. [2023-11-23 20:07:31,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-23 20:07:31,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:32,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:32,437 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:07:33,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:33,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 365 states and 494 transitions. [2023-11-23 20:07:33,078 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 494 transitions. [2023-11-23 20:07:33,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-23 20:07:33,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:33,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:33,627 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 1 proven. 70 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:07:34,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:34,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 368 states and 497 transitions. [2023-11-23 20:07:34,304 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 497 transitions. [2023-11-23 20:07:34,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-23 20:07:34,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:34,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:34,943 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 1 proven. 92 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:07:35,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:35,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 371 states and 500 transitions. [2023-11-23 20:07:35,617 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 500 transitions. [2023-11-23 20:07:35,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-23 20:07:35,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:35,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:36,101 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 1 proven. 117 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:07:36,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:36,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 374 states and 502 transitions. [2023-11-23 20:07:36,539 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 502 transitions. [2023-11-23 20:07:36,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-23 20:07:36,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:36,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:38,391 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2023-11-23 20:07:45,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:45,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 416 states and 565 transitions. [2023-11-23 20:07:45,261 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 565 transitions. [2023-11-23 20:07:45,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-23 20:07:45,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:45,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:45,791 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2023-11-23 20:07:48,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:48,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 426 states and 582 transitions. [2023-11-23 20:07:48,481 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 582 transitions. [2023-11-23 20:07:48,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 20:07:48,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:48,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat