./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/tee-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_16e550ec-1b1a-4796-b887-4d8d007d656d/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e550ec-1b1a-4796-b887-4d8d007d656d/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e550ec-1b1a-4796-b887-4d8d007d656d/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e550ec-1b1a-4796-b887-4d8d007d656d/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tee-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e550ec-1b1a-4796-b887-4d8d007d656d/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e550ec-1b1a-4796-b887-4d8d007d656d/bin/ukojak-verify-i0I2FZA1j2 --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 03b53479a229860326bd9a16bcf220f48f51b37308f964b035d484d603486daf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:41:50,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:41:50,881 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e550ec-1b1a-4796-b887-4d8d007d656d/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:41:50,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:41:50,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:41:50,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:41:50,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:41:50,914 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:41:50,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:41:50,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:41:50,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:41:50,918 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:41:50,918 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:41:50,919 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:41:50,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:41:50,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:41:50,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:41:50,922 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:41:50,922 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:41:50,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:41:50,924 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:41:50,925 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:41:50,925 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:41:50,926 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:41:50,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:41:50,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:50,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:41:50,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:41:50,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:41:50,930 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:41:50,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:41:50,935 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:41:50,935 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_16e550ec-1b1a-4796-b887-4d8d007d656d/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e550ec-1b1a-4796-b887-4d8d007d656d/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03b53479a229860326bd9a16bcf220f48f51b37308f964b035d484d603486daf [2023-11-21 18:41:51,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:41:51,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:41:51,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:41:51,266 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:41:51,266 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:41:51,268 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e550ec-1b1a-4796-b887-4d8d007d656d/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/busybox-1.22.0/tee-1.i [2023-11-21 18:41:54,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:41:54,880 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:41:54,881 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e550ec-1b1a-4796-b887-4d8d007d656d/sv-benchmarks/c/busybox-1.22.0/tee-1.i [2023-11-21 18:41:54,919 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e550ec-1b1a-4796-b887-4d8d007d656d/bin/ukojak-verify-i0I2FZA1j2/data/1411b6768/3f3a9d9db2794afbbb031127cc5f299b/FLAGe2f8b778a [2023-11-21 18:41:54,942 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e550ec-1b1a-4796-b887-4d8d007d656d/bin/ukojak-verify-i0I2FZA1j2/data/1411b6768/3f3a9d9db2794afbbb031127cc5f299b [2023-11-21 18:41:54,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:41:54,953 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:41:54,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:54,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:41:54,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:41:54,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:54" (1/1) ... [2023-11-21 18:41:54,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69f5d934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:54, skipping insertion in model container [2023-11-21 18:41:54,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:54" (1/1) ... [2023-11-21 18:41:55,063 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:41:56,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:56,754 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:41:56,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:57,090 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:57,090 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:57,091 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:57,122 WARN L675 CHandler]: The function ferror is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:57,122 WARN L675 CHandler]: The function setbuf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:57,122 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:57,122 WARN L675 CHandler]: The function fwrite is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:57,130 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:41:57,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:57 WrapperNode [2023-11-21 18:41:57,131 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:57,133 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:57,133 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:41:57,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:41:57,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:57" (1/1) ... [2023-11-21 18:41:57,224 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:57" (1/1) ... [2023-11-21 18:41:57,310 INFO L138 Inliner]: procedures = 575, calls = 420, calls flagged for inlining = 28, calls inlined = 26, statements flattened = 1755 [2023-11-21 18:41:57,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:57,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:41:57,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:41:57,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:41:57,322 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:57" (1/1) ... [2023-11-21 18:41:57,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:57" (1/1) ... [2023-11-21 18:41:57,334 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:57" (1/1) ... [2023-11-21 18:41:57,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:57" (1/1) ... [2023-11-21 18:41:57,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:57" (1/1) ... [2023-11-21 18:41:57,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:57" (1/1) ... [2023-11-21 18:41:57,433 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:57" (1/1) ... [2023-11-21 18:41:57,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:57" (1/1) ... [2023-11-21 18:41:57,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:41:57,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:41:57,477 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:41:57,477 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:41:57,478 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:57" (1/1) ... [2023-11-21 18:41:57,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:57,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e550ec-1b1a-4796-b887-4d8d007d656d/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:41:57,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e550ec-1b1a-4796-b887-4d8d007d656d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:41:57,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16e550ec-1b1a-4796-b887-4d8d007d656d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:41:57,557 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-21 18:41:57,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:41:57,558 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2023-11-21 18:41:57,558 INFO L130 BoogieDeclarations]: Found specification of procedure xzalloc [2023-11-21 18:41:57,558 INFO L138 BoogieDeclarations]: Found implementation of procedure xzalloc [2023-11-21 18:41:57,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 18:41:57,559 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-21 18:41:57,559 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-21 18:41:57,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:41:57,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:41:57,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:41:57,560 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-21 18:41:57,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:41:57,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:41:57,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:41:57,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:41:57,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-21 18:41:57,562 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-21 18:41:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-21 18:41:57,563 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-21 18:41:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 18:41:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 18:41:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-21 18:41:57,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:41:57,564 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:41:57,564 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:41:57,565 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:41:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:41:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:41:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-11-21 18:41:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:41:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:41:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-21 18:41:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-21 18:41:57,568 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-21 18:41:57,568 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2023-11-21 18:41:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:41:58,116 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:41:58,118 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:41:59,715 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:42:00,342 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:42:00,343 INFO L308 CfgBuilder]: Removed 30 assume(true) statements. [2023-11-21 18:42:00,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:42:00 BoogieIcfgContainer [2023-11-21 18:42:00,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:42:00,346 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:42:00,346 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:42:00,356 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:42:00,356 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:42:00" (1/1) ... [2023-11-21 18:42:00,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:42:00,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:00,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 398 states and 552 transitions. [2023-11-21 18:42:00,449 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 552 transitions. [2023-11-21 18:42:00,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:42:00,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:00,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:01,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:01,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:01,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 400 states and 555 transitions. [2023-11-21 18:42:01,111 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 555 transitions. [2023-11-21 18:42:01,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:42:01,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:01,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:01,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:01,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:01,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 401 states and 556 transitions. [2023-11-21 18:42:01,261 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 556 transitions. [2023-11-21 18:42:01,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:42:01,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:01,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:01,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:01,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:01,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 403 states and 559 transitions. [2023-11-21 18:42:01,513 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 559 transitions. [2023-11-21 18:42:01,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:42:01,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:01,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:01,632 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:42:01,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:01,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 402 states and 558 transitions. [2023-11-21 18:42:01,709 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 558 transitions. [2023-11-21 18:42:01,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:42:01,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:01,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:01,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:01,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:01,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 403 states and 559 transitions. [2023-11-21 18:42:01,980 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 559 transitions. [2023-11-21 18:42:01,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:42:01,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:01,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:02,207 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:42:02,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:02,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 402 states and 558 transitions. [2023-11-21 18:42:02,378 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 558 transitions. [2023-11-21 18:42:02,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:42:02,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:02,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:02,539 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:42:02,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:02,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 401 states and 557 transitions. [2023-11-21 18:42:02,584 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 557 transitions. [2023-11-21 18:42:02,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:42:02,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:02,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:02,814 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:03,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:03,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 404 states and 560 transitions. [2023-11-21 18:42:03,038 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 560 transitions. [2023-11-21 18:42:03,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:42:03,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:03,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:03,280 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:03,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:03,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 407 states and 563 transitions. [2023-11-21 18:42:03,457 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 563 transitions. [2023-11-21 18:42:03,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:42:03,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:03,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:03,721 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:03,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:03,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 410 states and 566 transitions. [2023-11-21 18:42:03,924 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 566 transitions. [2023-11-21 18:42:03,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:42:03,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:03,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:04,212 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:04,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:04,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 413 states and 569 transitions. [2023-11-21 18:42:04,413 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 569 transitions. [2023-11-21 18:42:04,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:42:04,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:04,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:04,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:04,740 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:04,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:04,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 416 states and 572 transitions. [2023-11-21 18:42:04,968 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 572 transitions. [2023-11-21 18:42:04,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:42:04,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:04,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:05,328 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:05,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:05,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 419 states and 575 transitions. [2023-11-21 18:42:05,607 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 575 transitions. [2023-11-21 18:42:05,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:42:05,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:05,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:06,007 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:06,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:06,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 422 states and 578 transitions. [2023-11-21 18:42:06,272 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 578 transitions. [2023-11-21 18:42:06,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:42:06,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:06,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:06,649 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:42:06,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:06,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 425 states and 580 transitions. [2023-11-21 18:42:06,824 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 580 transitions. [2023-11-21 18:42:06,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:42:06,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:06,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:07,169 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:07,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:07,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 424 states and 579 transitions. [2023-11-21 18:42:07,429 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 579 transitions. [2023-11-21 18:42:07,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:42:07,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:07,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:07,586 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:07,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:07,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 423 states and 578 transitions. [2023-11-21 18:42:07,613 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 578 transitions. [2023-11-21 18:42:07,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:42:07,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:07,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:07,784 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:07,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:07,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 422 states and 577 transitions. [2023-11-21 18:42:07,941 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 577 transitions. [2023-11-21 18:42:07,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:42:07,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:07,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:08,149 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:08,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:08,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 423 states and 579 transitions. [2023-11-21 18:42:08,220 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 579 transitions. [2023-11-21 18:42:08,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:42:08,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:08,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:08,427 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:08,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:08,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 424 states and 580 transitions. [2023-11-21 18:42:08,455 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 580 transitions. [2023-11-21 18:42:08,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:42:08,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:08,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:08,668 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:08,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:08,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 427 states and 584 transitions. [2023-11-21 18:42:08,744 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 584 transitions. [2023-11-21 18:42:08,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:42:08,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:08,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:08,911 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:08,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:08,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 428 states and 585 transitions. [2023-11-21 18:42:08,933 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 585 transitions. [2023-11-21 18:42:08,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:42:08,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:08,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:09,129 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:09,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:09,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 429 states and 586 transitions. [2023-11-21 18:42:09,156 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 586 transitions. [2023-11-21 18:42:09,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:42:09,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:09,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:09,383 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:42:09,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:09,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 435 states and 597 transitions. [2023-11-21 18:42:09,795 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 597 transitions. [2023-11-21 18:42:09,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:42:09,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:09,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:09,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:10,034 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:10,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:10,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 437 states and 601 transitions. [2023-11-21 18:42:10,408 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 601 transitions. [2023-11-21 18:42:10,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:42:10,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:10,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:10,608 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:42:10,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:10,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 438 states and 602 transitions. [2023-11-21 18:42:10,633 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 602 transitions. [2023-11-21 18:42:10,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:42:10,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:10,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:10,834 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:42:11,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:11,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 437 states and 601 transitions. [2023-11-21 18:42:11,128 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 601 transitions. [2023-11-21 18:42:11,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:42:11,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:11,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:11,387 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:11,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:11,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 440 states and 606 transitions. [2023-11-21 18:42:11,602 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 606 transitions. [2023-11-21 18:42:11,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:42:11,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:11,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:11,931 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:12,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:12,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 444 states and 611 transitions. [2023-11-21 18:42:12,279 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 611 transitions. [2023-11-21 18:42:12,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:42:12,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:12,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:12,484 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-21 18:42:13,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:13,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 446 states and 613 transitions. [2023-11-21 18:42:13,014 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 613 transitions. [2023-11-21 18:42:13,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:42:13,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:13,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:13,391 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:42:14,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:14,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 447 states and 616 transitions. [2023-11-21 18:42:14,435 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 616 transitions. [2023-11-21 18:42:14,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:42:14,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:14,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:14,802 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:14,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:14,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 451 states and 621 transitions. [2023-11-21 18:42:14,946 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 621 transitions. [2023-11-21 18:42:14,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:42:14,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:14,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:15,342 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-21 18:42:15,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:15,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 450 states and 620 transitions. [2023-11-21 18:42:15,966 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 620 transitions. [2023-11-21 18:42:15,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:42:15,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:15,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:16,292 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-11-21 18:42:16,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:16,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 451 states and 620 transitions. [2023-11-21 18:42:16,487 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 620 transitions. [2023-11-21 18:42:16,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:42:16,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:16,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:16,890 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:17,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:17,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 450 states and 619 transitions. [2023-11-21 18:42:17,009 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 619 transitions. [2023-11-21 18:42:17,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:42:17,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:17,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:17,489 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:17,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:17,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 454 states and 624 transitions. [2023-11-21 18:42:17,763 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 624 transitions. [2023-11-21 18:42:17,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:42:17,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:17,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:18,275 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:42:18,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:18,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 455 states and 625 transitions. [2023-11-21 18:42:18,714 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 625 transitions. [2023-11-21 18:42:18,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:42:18,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:18,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:19,069 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:19,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:19,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 457 states and 627 transitions. [2023-11-21 18:42:19,396 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 627 transitions. [2023-11-21 18:42:19,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:42:19,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:19,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:19,643 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-21 18:42:20,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:20,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 458 states and 629 transitions. [2023-11-21 18:42:20,053 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 629 transitions. [2023-11-21 18:42:20,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:42:20,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:20,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:20,318 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-21 18:42:20,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:20,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 459 states and 629 transitions. [2023-11-21 18:42:20,803 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 629 transitions. [2023-11-21 18:42:20,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:42:20,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:20,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:21,016 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:21,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:21,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 462 states and 633 transitions. [2023-11-21 18:42:21,828 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 633 transitions. [2023-11-21 18:42:21,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:42:21,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:21,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:22,230 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:22,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:22,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 466 states and 638 transitions. [2023-11-21 18:42:22,581 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 638 transitions. [2023-11-21 18:42:22,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:42:22,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:22,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:22,801 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:22,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:22,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 467 states and 639 transitions. [2023-11-21 18:42:22,834 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 639 transitions. [2023-11-21 18:42:22,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:42:22,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:22,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:23,087 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:23,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:23,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 469 states and 642 transitions. [2023-11-21 18:42:23,108 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 642 transitions. [2023-11-21 18:42:23,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:42:23,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:23,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:23,503 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-21 18:42:25,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:25,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 478 states and 658 transitions. [2023-11-21 18:42:25,978 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 658 transitions. [2023-11-21 18:42:25,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:42:25,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:25,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:26,275 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2023-11-21 18:42:26,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:26,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 479 states and 659 transitions. [2023-11-21 18:42:26,992 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 659 transitions. [2023-11-21 18:42:26,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:42:26,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:26,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:27,340 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:27,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:27,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 478 states and 657 transitions. [2023-11-21 18:42:27,496 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 657 transitions. [2023-11-21 18:42:27,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:42:27,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:27,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:27,872 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:28,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:28,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 477 states and 656 transitions. [2023-11-21 18:42:28,025 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 656 transitions. [2023-11-21 18:42:28,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:42:28,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:28,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:28,426 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-21 18:42:31,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:31,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 487 states and 672 transitions. [2023-11-21 18:42:31,171 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 672 transitions. [2023-11-21 18:42:31,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:42:31,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:31,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:31,534 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:31,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:31,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 486 states and 671 transitions. [2023-11-21 18:42:31,905 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 671 transitions. [2023-11-21 18:42:31,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:42:31,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:31,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:32,083 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:32,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:32,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 485 states and 670 transitions. [2023-11-21 18:42:32,118 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 670 transitions. [2023-11-21 18:42:32,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:42:32,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:32,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:32,473 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:32,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:32,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 484 states and 669 transitions. [2023-11-21 18:42:32,867 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 669 transitions. [2023-11-21 18:42:32,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:42:32,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:32,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:33,335 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:33,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:33,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 488 states and 674 transitions. [2023-11-21 18:42:33,687 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 674 transitions. [2023-11-21 18:42:33,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:42:33,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:33,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:33,848 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:33,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:33,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 487 states and 673 transitions. [2023-11-21 18:42:33,878 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 673 transitions. [2023-11-21 18:42:33,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:42:33,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:33,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:34,396 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:42:35,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:35,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 491 states and 678 transitions. [2023-11-21 18:42:35,182 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 678 transitions. [2023-11-21 18:42:35,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:42:35,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:35,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat