./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_stack-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_bf7bbf01-bcfa-44b6-827f-a1dadc074d98/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf7bbf01-bcfa-44b6-827f-a1dadc074d98/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf7bbf01-bcfa-44b6-827f-a1dadc074d98/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf7bbf01-bcfa-44b6-827f-a1dadc074d98/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf7bbf01-bcfa-44b6-827f-a1dadc074d98/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf7bbf01-bcfa-44b6-827f-a1dadc074d98/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0a870e8a4a7dff1b238c9b19b47586f7abd44e3f0eb9969b7dad7bbd7f80e506 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:09:49,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:09:49,951 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf7bbf01-bcfa-44b6-827f-a1dadc074d98/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-23 20:09:49,958 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:09:49,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:09:49,999 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:09:50,000 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:09:50,001 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:09:50,002 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:09:50,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:09:50,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:09:50,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:09:50,009 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:09:50,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:09:50,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:09:50,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:09:50,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:09:50,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:09:50,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:09:50,013 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:09:50,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:09:50,013 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:09:50,014 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:09:50,015 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:09:50,015 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:09:50,015 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:09:50,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:50,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:09:50,016 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:09:50,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:09:50,018 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:09:50,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:09:50,018 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:09:50,019 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_bf7bbf01-bcfa-44b6-827f-a1dadc074d98/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf7bbf01-bcfa-44b6-827f-a1dadc074d98/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a870e8a4a7dff1b238c9b19b47586f7abd44e3f0eb9969b7dad7bbd7f80e506 [2023-11-23 20:09:50,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:09:50,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:09:50,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:09:50,351 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:09:50,351 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:09:50,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf7bbf01-bcfa-44b6-827f-a1dadc074d98/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/seq-pthread/cs_stack-2.i [2023-11-23 20:09:53,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:09:53,761 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:09:53,761 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf7bbf01-bcfa-44b6-827f-a1dadc074d98/sv-benchmarks/c/seq-pthread/cs_stack-2.i [2023-11-23 20:09:53,795 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf7bbf01-bcfa-44b6-827f-a1dadc074d98/bin/ukojak-verify-1t5iHCbJaC/data/dd5b5ee47/96de0dbccc5c41b7a4fa2b0c4bf5e416/FLAGe024bc437 [2023-11-23 20:09:53,813 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf7bbf01-bcfa-44b6-827f-a1dadc074d98/bin/ukojak-verify-1t5iHCbJaC/data/dd5b5ee47/96de0dbccc5c41b7a4fa2b0c4bf5e416 [2023-11-23 20:09:53,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:09:53,822 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:09:53,826 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:53,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:09:53,831 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:09:53,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:53" (1/1) ... [2023-11-23 20:09:53,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45887853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:53, skipping insertion in model container [2023-11-23 20:09:53,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:53" (1/1) ... [2023-11-23 20:09:53,938 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:09:54,462 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf7bbf01-bcfa-44b6-827f-a1dadc074d98/sv-benchmarks/c/seq-pthread/cs_stack-2.i[34556,34569] [2023-11-23 20:09:54,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:54,588 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:09:54,624 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf7bbf01-bcfa-44b6-827f-a1dadc074d98/sv-benchmarks/c/seq-pthread/cs_stack-2.i[34556,34569] [2023-11-23 20:09:54,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:54,836 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:09:54,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:54 WrapperNode [2023-11-23 20:09:54,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:54,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:54,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:09:54,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:09:54,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:54" (1/1) ... [2023-11-23 20:09:54,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:54" (1/1) ... [2023-11-23 20:09:54,978 INFO L138 Inliner]: procedures = 252, calls = 268, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 601 [2023-11-23 20:09:54,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:54,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:09:54,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:09:54,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:09:54,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:54" (1/1) ... [2023-11-23 20:09:54,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:54" (1/1) ... [2023-11-23 20:09:55,012 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:54" (1/1) ... [2023-11-23 20:09:55,021 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:54" (1/1) ... [2023-11-23 20:09:55,066 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:54" (1/1) ... [2023-11-23 20:09:55,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:54" (1/1) ... [2023-11-23 20:09:55,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:54" (1/1) ... [2023-11-23 20:09:55,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:54" (1/1) ... [2023-11-23 20:09:55,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:09:55,133 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:09:55,133 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:09:55,133 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:09:55,134 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:54" (1/1) ... [2023-11-23 20:09:55,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:55,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf7bbf01-bcfa-44b6-827f-a1dadc074d98/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:09:55,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf7bbf01-bcfa-44b6-827f-a1dadc074d98/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:09:55,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf7bbf01-bcfa-44b6-827f-a1dadc074d98/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:09:55,260 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:09:55,260 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:09:55,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:09:55,260 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2023-11-23 20:09:55,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2023-11-23 20:09:55,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:09:55,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:09:55,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:09:55,262 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2023-11-23 20:09:55,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2023-11-23 20:09:55,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:09:55,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:09:55,263 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-23 20:09:55,263 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-23 20:09:55,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:09:55,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:09:55,264 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-23 20:09:55,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-23 20:09:55,265 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-23 20:09:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-23 20:09:55,266 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-23 20:09:55,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-23 20:09:55,266 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-23 20:09:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-23 20:09:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-23 20:09:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-23 20:09:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:09:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:09:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:09:55,548 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:09:55,553 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:09:55,651 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-23 20:09:55,651 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);#res := 0; [2023-11-23 20:09:55,704 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L930-1: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296); [2023-11-23 20:09:55,705 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L930-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-23 20:09:55,705 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-23 20:09:55,705 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296); [2023-11-23 20:09:55,705 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296); [2023-11-23 20:09:55,705 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-23 20:09:55,706 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-23 20:09:55,706 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296); [2023-11-23 20:09:55,706 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L930: SUMMARY for call __CS_cs(); srcloc: null [2023-11-23 20:09:56,175 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##97: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-23 20:09:56,176 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##96: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);push_#res#1 := 0; [2023-11-23 20:09:56,176 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-23 20:09:56,176 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);pop_#res#1 := 0; [2023-11-23 20:09:56,176 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##58: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-23 20:09:56,177 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);pop_#res#1 := 0; [2023-11-23 20:09:56,177 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-23 20:09:56,177 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);pop_#res#1 := 0; [2023-11-23 20:09:56,177 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);pop_#res#1 := 0; [2023-11-23 20:09:56,178 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L1002: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296));pop_#res#1 := 0; [2023-11-23 20:09:56,178 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L986-4: SUMMARY for call __CS_cs(); srcloc: null [2023-11-23 20:09:56,178 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);push_#res#1 := 0; [2023-11-23 20:09:56,178 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-23 20:10:03,639 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:10:03,812 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:10:03,813 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:10:03,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:03 BoogieIcfgContainer [2023-11-23 20:10:03,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:10:03,815 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:10:03,816 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:10:03,826 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:10:03,826 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:03" (1/1) ... [2023-11-23 20:10:03,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:10:03,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:03,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 196 states and 309 transitions. [2023-11-23 20:10:03,905 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 309 transitions. [2023-11-23 20:10:03,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:10:03,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:03,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:05,276 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-23 20:10:10,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:10:11,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:11,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 230 states and 361 transitions. [2023-11-23 20:10:11,176 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 361 transitions. [2023-11-23 20:10:11,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-23 20:10:11,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:11,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:12,024 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 20:10:18,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:10:18,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:18,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 238 states and 387 transitions. [2023-11-23 20:10:18,360 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 387 transitions. [2023-11-23 20:10:18,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-23 20:10:18,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:18,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:19,025 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 20:10:23,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:10:24,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:24,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 246 states and 412 transitions. [2023-11-23 20:10:24,389 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 412 transitions. [2023-11-23 20:10:24,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-23 20:10:24,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:24,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:25,229 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 20:10:25,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:25,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 251 states and 440 transitions. [2023-11-23 20:10:25,714 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 440 transitions. [2023-11-23 20:10:25,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-23 20:10:25,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:25,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:26,352 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 20:10:32,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:10:33,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:33,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 256 states and 459 transitions. [2023-11-23 20:10:33,173 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 459 transitions. [2023-11-23 20:10:33,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-23 20:10:33,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:33,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:33,789 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 20:10:33,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:33,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 257 states and 467 transitions. [2023-11-23 20:10:33,837 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 467 transitions. [2023-11-23 20:10:33,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-23 20:10:33,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:33,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:34,464 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 20:10:34,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:34,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 259 states and 478 transitions. [2023-11-23 20:10:34,781 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 478 transitions. [2023-11-23 20:10:34,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-23 20:10:34,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:34,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:35,380 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 20:10:35,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:35,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 261 states and 485 transitions. [2023-11-23 20:10:35,690 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 485 transitions. [2023-11-23 20:10:35,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-23 20:10:35,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:35,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:36,325 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 20:10:42,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:10:43,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:43,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 261 states and 482 transitions. [2023-11-23 20:10:43,162 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 482 transitions. [2023-11-23 20:10:43,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-23 20:10:43,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:43,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:43,866 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 20:10:51,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:10:52,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:52,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 262 states and 489 transitions. [2023-11-23 20:10:52,475 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 489 transitions. [2023-11-23 20:10:52,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-23 20:10:52,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:52,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:10:53,116 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 20:10:53,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:10:53,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 265 states and 496 transitions. [2023-11-23 20:10:53,829 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 496 transitions. [2023-11-23 20:10:53,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-23 20:10:53,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:10:53,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:10:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat