./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-pthread/cs_lazy.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a38dd9e-9ed0-47a8-82b2-cc2f989ed408/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a38dd9e-9ed0-47a8-82b2-cc2f989ed408/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a38dd9e-9ed0-47a8-82b2-cc2f989ed408/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a38dd9e-9ed0-47a8-82b2-cc2f989ed408/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_lazy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a38dd9e-9ed0-47a8-82b2-cc2f989ed408/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a38dd9e-9ed0-47a8-82b2-cc2f989ed408/bin/ukojak-verify-G8NBE6pJGL --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 32bit --witnessprinter.graph.data.programhash b26873cfd586f35040b8fa56225beaa479db089ab89500d17d6395862bf9072f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:11:27,060 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:11:27,186 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a38dd9e-9ed0-47a8-82b2-cc2f989ed408/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:11:27,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:11:27,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:11:27,241 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:11:27,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:11:27,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:11:27,244 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:11:27,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:11:27,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:11:27,252 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:11:27,252 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:11:27,254 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:11:27,254 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:11:27,255 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:11:27,255 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:11:27,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:11:27,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:11:27,257 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:11:27,258 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:11:27,258 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:11:27,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:11:27,261 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:11:27,261 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:11:27,262 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:11:27,262 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:11:27,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:11:27,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:11:27,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:11:27,266 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:11:27,266 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:11:27,267 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:11:27,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:11:27,267 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:11:27,268 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_5a38dd9e-9ed0-47a8-82b2-cc2f989ed408/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a38dd9e-9ed0-47a8-82b2-cc2f989ed408/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b26873cfd586f35040b8fa56225beaa479db089ab89500d17d6395862bf9072f [2023-11-19 03:11:27,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:11:27,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:11:27,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:11:27,634 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:11:27,635 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:11:27,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a38dd9e-9ed0-47a8-82b2-cc2f989ed408/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/seq-pthread/cs_lazy.i [2023-11-19 03:11:30,838 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:11:31,136 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:11:31,137 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a38dd9e-9ed0-47a8-82b2-cc2f989ed408/sv-benchmarks/c/seq-pthread/cs_lazy.i [2023-11-19 03:11:31,156 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a38dd9e-9ed0-47a8-82b2-cc2f989ed408/bin/ukojak-verify-G8NBE6pJGL/data/c6c56baa1/24b8c7abaa53495791d1d09fa6602fe3/FLAG862e9eb51 [2023-11-19 03:11:31,171 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a38dd9e-9ed0-47a8-82b2-cc2f989ed408/bin/ukojak-verify-G8NBE6pJGL/data/c6c56baa1/24b8c7abaa53495791d1d09fa6602fe3 [2023-11-19 03:11:31,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:11:31,177 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:11:31,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:11:31,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:11:31,188 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:11:31,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:11:31" (1/1) ... [2023-11-19 03:11:31,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b3a284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:31, skipping insertion in model container [2023-11-19 03:11:31,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:11:31" (1/1) ... [2023-11-19 03:11:31,256 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:11:31,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:11:31,712 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:11:31,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:11:31,880 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:11:31,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:31 WrapperNode [2023-11-19 03:11:31,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:11:31,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:11:31,883 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:11:31,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:11:31,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:31" (1/1) ... [2023-11-19 03:11:31,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:31" (1/1) ... [2023-11-19 03:11:31,974 INFO L138 Inliner]: procedures = 145, calls = 213, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 530 [2023-11-19 03:11:31,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:11:31,976 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:11:31,976 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:11:31,976 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:11:31,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:31" (1/1) ... [2023-11-19 03:11:31,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:31" (1/1) ... [2023-11-19 03:11:32,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:31" (1/1) ... [2023-11-19 03:11:32,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:31" (1/1) ... [2023-11-19 03:11:32,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:31" (1/1) ... [2023-11-19 03:11:32,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:31" (1/1) ... [2023-11-19 03:11:32,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:31" (1/1) ... [2023-11-19 03:11:32,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:31" (1/1) ... [2023-11-19 03:11:32,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:11:32,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:11:32,123 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:11:32,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:11:32,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:31" (1/1) ... [2023-11-19 03:11:32,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:11:32,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a38dd9e-9ed0-47a8-82b2-cc2f989ed408/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:11:32,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a38dd9e-9ed0-47a8-82b2-cc2f989ed408/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:11:32,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a38dd9e-9ed0-47a8-82b2-cc2f989ed408/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:11:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:11:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:11:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:11:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:11:32,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:11:32,232 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2023-11-19 03:11:32,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2023-11-19 03:11:32,232 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-19 03:11:32,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-19 03:11:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:11:32,233 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-19 03:11:32,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-19 03:11:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-19 03:11:32,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-19 03:11:32,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:11:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:11:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-19 03:11:32,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-19 03:11:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:11:32,235 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2023-11-19 03:11:32,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2023-11-19 03:11:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:11:32,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:11:32,475 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:11:32,478 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:11:32,986 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##32: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);thread3_#res#1.base, thread3_#res#1.offset := 0, 0; [2023-11-19 03:11:32,987 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##31: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-19 03:11:32,987 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);thread3_#res#1.base, thread3_#res#1.offset := 0, 0; [2023-11-19 03:11:32,987 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-19 03:11:32,987 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L714: SUMMARY for call __CS_cs(); srcloc: null [2023-11-19 03:11:32,988 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L714-1: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);thread3_#res#1.base, thread3_#res#1.offset := 0, 0; [2023-11-19 03:11:32,988 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint L714-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-19 03:11:35,132 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:11:35,384 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:11:35,385 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:11:35,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:35 BoogieIcfgContainer [2023-11-19 03:11:35,391 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:11:35,392 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:11:35,392 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:11:35,402 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:11:35,402 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:35" (1/1) ... [2023-11-19 03:11:35,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:11:35,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:35,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 141 states and 198 transitions. [2023-11-19 03:11:35,478 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 198 transitions. [2023-11-19 03:11:35,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:11:35,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:35,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:35,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:45,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 03:11:46,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:46,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 143 states and 201 transitions. [2023-11-19 03:11:46,013 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 201 transitions. [2023-11-19 03:11:46,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:11:46,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:46,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:46,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:46,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:46,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 144 states and 202 transitions. [2023-11-19 03:11:46,261 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 202 transitions. [2023-11-19 03:11:46,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:11:46,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:46,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:46,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:46,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:46,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 146 states and 205 transitions. [2023-11-19 03:11:46,619 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 205 transitions. [2023-11-19 03:11:46,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:11:46,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:46,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:46,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:46,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:46,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 147 states and 206 transitions. [2023-11-19 03:11:46,821 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 206 transitions. [2023-11-19 03:11:46,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:11:46,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:46,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:47,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:47,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:47,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 147 states and 207 transitions. [2023-11-19 03:11:47,761 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 207 transitions. [2023-11-19 03:11:47,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:11:47,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:47,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:47,870 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:11:48,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:48,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 146 states and 206 transitions. [2023-11-19 03:11:48,061 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 206 transitions. [2023-11-19 03:11:48,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:11:48,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:48,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:48,253 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:11:48,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:48,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 145 states and 205 transitions. [2023-11-19 03:11:48,496 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 205 transitions. [2023-11-19 03:11:48,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:11:48,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:48,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:48,614 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:11:49,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:49,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 153 states and 217 transitions. [2023-11-19 03:11:49,256 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 217 transitions. [2023-11-19 03:11:49,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:11:49,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:49,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:49,344 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:11:49,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:49,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 154 states and 218 transitions. [2023-11-19 03:11:49,365 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 218 transitions. [2023-11-19 03:11:49,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:11:49,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:49,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:49,462 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:11:49,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:49,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 156 states and 219 transitions. [2023-11-19 03:11:49,671 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 219 transitions. [2023-11-19 03:11:49,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:11:49,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:49,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:49,916 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:12:00,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 03:12:00,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:00,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 156 states and 219 transitions. [2023-11-19 03:12:00,100 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 219 transitions. [2023-11-19 03:12:00,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:12:00,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:00,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:00,303 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:12:01,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:01,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 165 states and 232 transitions. [2023-11-19 03:12:01,570 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 232 transitions. [2023-11-19 03:12:01,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:12:01,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:01,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:01,672 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:12:02,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:02,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 174 states and 245 transitions. [2023-11-19 03:12:02,709 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 245 transitions. [2023-11-19 03:12:02,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:12:02,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:02,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:02,890 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:12:03,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:03,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 176 states and 246 transitions. [2023-11-19 03:12:03,207 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 246 transitions. [2023-11-19 03:12:03,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:12:03,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:03,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:03,337 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 03:12:03,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:03,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 166 states and 232 transitions. [2023-11-19 03:12:03,671 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 232 transitions. [2023-11-19 03:12:03,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:12:03,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:03,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:03,885 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-19 03:12:03,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:03,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 165 states and 231 transitions. [2023-11-19 03:12:03,900 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 231 transitions. [2023-11-19 03:12:03,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:12:03,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:03,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:04,249 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-19 03:12:06,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:06,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 173 states and 243 transitions. [2023-11-19 03:12:06,316 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 243 transitions. [2023-11-19 03:12:06,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:12:06,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:06,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:06,500 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-19 03:12:06,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:06,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 172 states and 242 transitions. [2023-11-19 03:12:06,516 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 242 transitions. [2023-11-19 03:12:06,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:12:06,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:06,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:06,710 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-19 03:12:07,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:07,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 163 states and 229 transitions. [2023-11-19 03:12:07,169 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 229 transitions. [2023-11-19 03:12:07,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:12:07,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:07,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:07,358 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-19 03:12:07,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:07,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 162 states and 228 transitions. [2023-11-19 03:12:07,388 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 228 transitions. [2023-11-19 03:12:07,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:12:07,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:07,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:07,606 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-19 03:12:07,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:07,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 161 states and 227 transitions. [2023-11-19 03:12:07,625 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 227 transitions. [2023-11-19 03:12:07,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:12:07,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:07,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:08,021 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:12:08,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:08,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 164 states and 230 transitions. [2023-11-19 03:12:08,712 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 230 transitions. [2023-11-19 03:12:08,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:12:08,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:08,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:09,065 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 26 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:12:09,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:09,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 167 states and 232 transitions. [2023-11-19 03:12:09,421 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 232 transitions. [2023-11-19 03:12:09,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:12:09,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:09,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:09,727 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-19 03:12:10,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:10,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 170 states and 235 transitions. [2023-11-19 03:12:10,435 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 235 transitions. [2023-11-19 03:12:10,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:12:10,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:10,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:10,764 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 48 proven. 12 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-19 03:12:11,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:12:11,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 173 states and 237 transitions. [2023-11-19 03:12:11,082 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 237 transitions. [2023-11-19 03:12:11,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:12:11,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:12:11,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:12:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:12:16,883 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.