./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 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1b6754-7c0f-4c11-8451-df53e2d156cf/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1b6754-7c0f-4c11-8451-df53e2d156cf/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_3e1b6754-7c0f-4c11-8451-df53e2d156cf/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1b6754-7c0f-4c11-8451-df53e2d156cf/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_lazy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1b6754-7c0f-4c11-8451-df53e2d156cf/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1b6754-7c0f-4c11-8451-df53e2d156cf/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 32bit --witnessprinter.graph.data.programhash b26873cfd586f35040b8fa56225beaa479db089ab89500d17d6395862bf9072f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:41:16,741 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:41:16,867 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1b6754-7c0f-4c11-8451-df53e2d156cf/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:41:16,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:41:16,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:41:16,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:41:16,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:41:16,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:41:16,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:41:16,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:41:16,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:41:16,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:41:16,923 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:41:16,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:41:16,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:41:16,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:41:16,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:41:16,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:41:16,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:41:16,927 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:41:16,927 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:41:16,928 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:41:16,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:41:16,929 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:41:16,929 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:41:16,930 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:41:16,930 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:41:16,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:41:16,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:16,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:41:16,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:41:16,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:41:16,933 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:41:16,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:41:16,934 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:41:16,934 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_3e1b6754-7c0f-4c11-8451-df53e2d156cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1b6754-7c0f-4c11-8451-df53e2d156cf/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b26873cfd586f35040b8fa56225beaa479db089ab89500d17d6395862bf9072f [2023-11-21 18:41:17,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:41:17,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:41:17,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:41:17,247 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:41:17,247 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:41:17,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1b6754-7c0f-4c11-8451-df53e2d156cf/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/seq-pthread/cs_lazy.i [2023-11-21 18:41:20,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:41:20,661 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:41:20,662 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1b6754-7c0f-4c11-8451-df53e2d156cf/sv-benchmarks/c/seq-pthread/cs_lazy.i [2023-11-21 18:41:20,681 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1b6754-7c0f-4c11-8451-df53e2d156cf/bin/ukojak-verify-i0I2FZA1j2/data/25bca3830/2c469ff7eb9640649f1f190a2186a51b/FLAGa7438fc9d [2023-11-21 18:41:20,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1b6754-7c0f-4c11-8451-df53e2d156cf/bin/ukojak-verify-i0I2FZA1j2/data/25bca3830/2c469ff7eb9640649f1f190a2186a51b [2023-11-21 18:41:20,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:41:20,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:41:20,701 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:20,701 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:41:20,706 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:41:20,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:20" (1/1) ... [2023-11-21 18:41:20,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70eba909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:20, skipping insertion in model container [2023-11-21 18:41:20,709 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:20" (1/1) ... [2023-11-21 18:41:20,774 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:41:21,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:21,272 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:41:21,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:21,393 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:41:21,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21 WrapperNode [2023-11-21 18:41:21,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:21,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:21,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:41:21,410 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:41:21,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,448 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,517 INFO L138 Inliner]: procedures = 145, calls = 213, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 530 [2023-11-21 18:41:21,518 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:21,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:41:21,519 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:41:21,519 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:41:21,538 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,614 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,630 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:41:21,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:41:21,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:41:21,640 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:41:21,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:21,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1b6754-7c0f-4c11-8451-df53e2d156cf/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:41:21,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1b6754-7c0f-4c11-8451-df53e2d156cf/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:41:21,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e1b6754-7c0f-4c11-8451-df53e2d156cf/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:41:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:41:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:41:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:41:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:41:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:41:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2023-11-21 18:41:21,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2023-11-21 18:41:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-21 18:41:21,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-21 18:41:21,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:41:21,753 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-21 18:41:21,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-21 18:41:21,754 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-21 18:41:21,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-21 18:41:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:41:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:41:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-21 18:41:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-21 18:41:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:41:21,757 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2023-11-21 18:41:21,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2023-11-21 18:41:21,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:41:21,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:41:21,980 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:41:21,991 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:41:22,521 INFO L774 $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; [2023-11-21 18:41:22,522 INFO L774 $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)); [2023-11-21 18:41:22,522 INFO L774 $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; [2023-11-21 18:41:22,522 INFO L774 $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)); [2023-11-21 18:41:22,522 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint L714: SUMMARY for call __CS_cs(); srcloc: null [2023-11-21 18:41:22,522 INFO L774 $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; [2023-11-21 18:41:22,523 INFO L774 $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)); [2023-11-21 18:41:24,811 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:41:25,064 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:41:25,064 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:41:25,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:25 BoogieIcfgContainer [2023-11-21 18:41:25,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:41:25,068 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:41:25,068 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:41:25,079 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:41:25,080 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:25" (1/1) ... [2023-11-21 18:41:25,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:41:25,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:25,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 141 states and 198 transitions. [2023-11-21 18:41:25,187 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 198 transitions. [2023-11-21 18:41:25,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:41:25,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:25,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:25,609 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 18:41:31,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 18:41:31,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:31,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 143 states and 201 transitions. [2023-11-21 18:41:31,951 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 201 transitions. [2023-11-21 18:41:31,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:41:31,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:31,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:32,056 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 18:41:32,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:32,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 144 states and 202 transitions. [2023-11-21 18:41:32,080 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 202 transitions. [2023-11-21 18:41:32,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:41:32,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:32,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:32,246 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 18:41:32,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:32,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 146 states and 205 transitions. [2023-11-21 18:41:32,328 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 205 transitions. [2023-11-21 18:41:32,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:41:32,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:32,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:32,478 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 18:41:32,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:32,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 147 states and 206 transitions. [2023-11-21 18:41:32,550 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 206 transitions. [2023-11-21 18:41:32,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:41:32,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:32,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:32,765 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 18:41:42,823 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 [] [2023-11-21 18:41:42,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:42,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 147 states and 207 transitions. [2023-11-21 18:41:42,866 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 207 transitions. [2023-11-21 18:41:42,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:41:42,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:42,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:42,962 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 18:41:43,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:43,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 146 states and 206 transitions. [2023-11-21 18:41:43,102 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 206 transitions. [2023-11-21 18:41:43,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:41:43,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:43,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:43,230 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 18:41:43,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:43,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 145 states and 205 transitions. [2023-11-21 18:41:43,426 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 205 transitions. [2023-11-21 18:41:43,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:41:43,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:43,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:43,539 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 18:41:44,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:44,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 153 states and 217 transitions. [2023-11-21 18:41:44,194 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 217 transitions. [2023-11-21 18:41:44,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:41:44,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:44,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:44,335 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 18:41:44,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:44,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 154 states and 218 transitions. [2023-11-21 18:41:44,357 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 218 transitions. [2023-11-21 18:41:44,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:41:44,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:44,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:44,462 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:41:44,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:44,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 156 states and 219 transitions. [2023-11-21 18:41:44,659 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 219 transitions. [2023-11-21 18:41:44,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:41:44,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:44,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:44,948 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:41:49,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 18:41:49,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:49,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 156 states and 219 transitions. [2023-11-21 18:41:49,713 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 219 transitions. [2023-11-21 18:41:49,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:41:49,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:49,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:49,885 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:41:51,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:51,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 165 states and 232 transitions. [2023-11-21 18:41:51,037 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 232 transitions. [2023-11-21 18:41:51,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:41:51,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:51,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:51,190 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-21 18:41:52,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:52,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 174 states and 245 transitions. [2023-11-21 18:41:52,141 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 245 transitions. [2023-11-21 18:41:52,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:41:52,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:52,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:52,307 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-21 18:41:52,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:52,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 176 states and 246 transitions. [2023-11-21 18:41:52,625 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 246 transitions. [2023-11-21 18:41:52,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:41:52,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:52,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:52,776 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:41:53,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:53,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 166 states and 232 transitions. [2023-11-21 18:41:53,078 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 232 transitions. [2023-11-21 18:41:53,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:41:53,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:53,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:53,269 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-21 18:41:53,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:53,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 165 states and 231 transitions. [2023-11-21 18:41:53,289 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 231 transitions. [2023-11-21 18:41:53,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:41:53,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:53,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:53,646 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-21 18:41:55,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:55,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 173 states and 243 transitions. [2023-11-21 18:41:55,523 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 243 transitions. [2023-11-21 18:41:55,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:41:55,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:55,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:55,751 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-21 18:41:55,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:55,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 172 states and 242 transitions. [2023-11-21 18:41:55,769 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 242 transitions. [2023-11-21 18:41:55,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:41:55,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:55,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:55,928 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-21 18:41:56,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:56,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 163 states and 229 transitions. [2023-11-21 18:41:56,369 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 229 transitions. [2023-11-21 18:41:56,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:41:56,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:56,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:56,576 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-21 18:41:56,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:56,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 162 states and 228 transitions. [2023-11-21 18:41:56,599 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 228 transitions. [2023-11-21 18:41:56,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:41:56,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:56,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:56,767 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-21 18:41:56,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:56,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 161 states and 227 transitions. [2023-11-21 18:41:56,784 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 227 transitions. [2023-11-21 18:41:56,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:41:56,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:56,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:57,180 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:41:57,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:57,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 164 states and 230 transitions. [2023-11-21 18:41:57,787 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 230 transitions. [2023-11-21 18:41:57,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:41:57,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:57,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:58,068 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 26 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:41:58,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:58,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 167 states and 232 transitions. [2023-11-21 18:41:58,387 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 232 transitions. [2023-11-21 18:41:58,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:41:58,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:58,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:58,655 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-21 18:41:59,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:59,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 170 states and 235 transitions. [2023-11-21 18:41:59,322 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 235 transitions. [2023-11-21 18:41:59,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:41:59,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:59,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:59,677 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 48 proven. 12 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-21 18:42:00,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:00,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 173 states and 237 transitions. [2023-11-21 18:42:00,119 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 237 transitions. [2023-11-21 18:42:00,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:42:00,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:00,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:03,233 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked.