./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 0e0057cc 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_1566fb00-8111-4bd6-98a1-e692b1c67ff7/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566fb00-8111-4bd6-98a1-e692b1c67ff7/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566fb00-8111-4bd6-98a1-e692b1c67ff7/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566fb00-8111-4bd6-98a1-e692b1c67ff7/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566fb00-8111-4bd6-98a1-e692b1c67ff7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566fb00-8111-4bd6-98a1-e692b1c67ff7/bin/ukojak-verify-afCqCEvfdi --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 0.2.4-dev-0e0057c [2023-11-24 23:00:37,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:00:38,135 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566fb00-8111-4bd6-98a1-e692b1c67ff7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:00:38,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:00:38,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:00:38,217 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:00:38,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:00:38,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:00:38,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:00:38,229 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:00:38,229 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:00:38,230 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:00:38,231 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:00:38,233 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:00:38,233 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:00:38,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:00:38,234 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:00:38,235 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:00:38,235 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:00:38,236 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:00:38,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:00:38,238 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:00:38,239 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:00:38,239 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:00:38,240 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:00:38,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:00:38,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:38,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:00:38,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:00:38,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:00:38,245 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:00:38,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:00:38,246 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:00:38,246 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_1566fb00-8111-4bd6-98a1-e692b1c67ff7/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566fb00-8111-4bd6-98a1-e692b1c67ff7/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a870e8a4a7dff1b238c9b19b47586f7abd44e3f0eb9969b7dad7bbd7f80e506 [2023-11-24 23:00:38,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:00:38,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:00:38,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:00:38,659 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:00:38,660 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:00:38,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566fb00-8111-4bd6-98a1-e692b1c67ff7/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/seq-pthread/cs_stack-2.i [2023-11-24 23:00:41,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:42,283 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:42,283 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566fb00-8111-4bd6-98a1-e692b1c67ff7/sv-benchmarks/c/seq-pthread/cs_stack-2.i [2023-11-24 23:00:42,305 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566fb00-8111-4bd6-98a1-e692b1c67ff7/bin/ukojak-verify-afCqCEvfdi/data/5afa77d76/f5d0a88e1ddd49be964147a434eb2055/FLAG9f394cb7e [2023-11-24 23:00:42,321 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566fb00-8111-4bd6-98a1-e692b1c67ff7/bin/ukojak-verify-afCqCEvfdi/data/5afa77d76/f5d0a88e1ddd49be964147a434eb2055 [2023-11-24 23:00:42,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:42,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:42,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:42,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:42,333 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:42,334 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:42" (1/1) ... [2023-11-24 23:00:42,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b0f6c94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:42, skipping insertion in model container [2023-11-24 23:00:42,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:42" (1/1) ... [2023-11-24 23:00:42,428 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:43,036 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_1566fb00-8111-4bd6-98a1-e692b1c67ff7/sv-benchmarks/c/seq-pthread/cs_stack-2.i[34556,34569] [2023-11-24 23:00:43,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:43,215 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:43,263 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_1566fb00-8111-4bd6-98a1-e692b1c67ff7/sv-benchmarks/c/seq-pthread/cs_stack-2.i[34556,34569] [2023-11-24 23:00:43,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:43,408 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:43,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:43 WrapperNode [2023-11-24 23:00:43,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:43,410 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:43,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:43,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:43,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:43" (1/1) ... [2023-11-24 23:00:43,491 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:43" (1/1) ... [2023-11-24 23:00:43,588 INFO L138 Inliner]: procedures = 252, calls = 268, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 601 [2023-11-24 23:00:43,588 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:43,589 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:43,589 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:43,590 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:43,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:43" (1/1) ... [2023-11-24 23:00:43,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:43" (1/1) ... [2023-11-24 23:00:43,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:43" (1/1) ... [2023-11-24 23:00:43,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:43" (1/1) ... [2023-11-24 23:00:43,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:43" (1/1) ... [2023-11-24 23:00:43,743 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:43" (1/1) ... [2023-11-24 23:00:43,749 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:43" (1/1) ... [2023-11-24 23:00:43,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:43" (1/1) ... [2023-11-24 23:00:43,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:43,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:43,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:43,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:43,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:43" (1/1) ... [2023-11-24 23:00:43,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:43,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566fb00-8111-4bd6-98a1-e692b1c67ff7/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:43,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566fb00-8111-4bd6-98a1-e692b1c67ff7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:43,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566fb00-8111-4bd6-98a1-e692b1c67ff7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:00:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:00:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:00:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2023-11-24 23:00:44,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2023-11-24 23:00:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:00:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:00:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:00:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2023-11-24 23:00:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2023-11-24 23:00:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:00:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:00:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-24 23:00:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-24 23:00:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:00:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-24 23:00:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-24 23:00:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-24 23:00:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-24 23:00:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-24 23:00:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-24 23:00:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-24 23:00:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-24 23:00:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-24 23:00:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-24 23:00:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:00:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:44,300 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:44,304 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:44,386 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)); [2023-11-24 23:00:44,386 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; [2023-11-24 23:00:44,421 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); [2023-11-24 23:00:44,422 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)); [2023-11-24 23:00:44,422 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)); [2023-11-24 23:00:44,422 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); [2023-11-24 23:00:44,423 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); [2023-11-24 23:00:44,423 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)); [2023-11-24 23:00:44,423 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)); [2023-11-24 23:00:44,423 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); [2023-11-24 23:00:44,424 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L930: SUMMARY for call __CS_cs(); srcloc: null [2023-11-24 23:00:45,050 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)); [2023-11-24 23:00:45,050 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; [2023-11-24 23:00:45,050 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)); [2023-11-24 23:00:45,051 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; [2023-11-24 23:00:45,051 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)); [2023-11-24 23:00:45,051 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; [2023-11-24 23:00:45,052 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)); [2023-11-24 23:00:45,052 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; [2023-11-24 23:00:45,052 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; [2023-11-24 23:00:45,053 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; [2023-11-24 23:00:45,053 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L986-4: SUMMARY for call __CS_cs(); srcloc: null [2023-11-24 23:00:45,053 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; [2023-11-24 23:00:45,053 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)); [2023-11-24 23:00:55,397 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:55,639 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:00:55,639 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:00:55,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:55 BoogieIcfgContainer [2023-11-24 23:00:55,641 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:00:55,642 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:00:55,643 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:00:55,654 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:00:55,654 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:55" (1/1) ... [2023-11-24 23:00:55,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:00:55,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:55,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 196 states and 309 transitions. [2023-11-24 23:00:55,760 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 309 transitions. [2023-11-24 23:00:55,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 23:00:55,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:55,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:57,097 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-24 23:01:04,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:01:04,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:04,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 230 states and 361 transitions. [2023-11-24 23:01:04,867 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 361 transitions. [2023-11-24 23:01:04,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-24 23:01:04,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:04,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:05,869 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-24 23:01:06,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:06,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 235 states and 380 transitions. [2023-11-24 23:01:06,022 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 380 transitions. [2023-11-24 23:01:06,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-24 23:01:06,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:06,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:06,946 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-24 23:01:14,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:01:14,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:14,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 243 states and 405 transitions. [2023-11-24 23:01:14,862 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 405 transitions. [2023-11-24 23:01:14,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-24 23:01:14,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:14,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:15,432 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-24 23:01:21,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:01:22,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:22,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 251 states and 435 transitions. [2023-11-24 23:01:22,074 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 435 transitions. [2023-11-24 23:01:22,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-24 23:01:22,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:22,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:22,712 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-24 23:01:29,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:01:30,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:30,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 257 states and 463 transitions. [2023-11-24 23:01:30,197 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 463 transitions. [2023-11-24 23:01:30,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-24 23:01:30,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:30,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:30,980 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-24 23:01:31,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:31,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 259 states and 470 transitions. [2023-11-24 23:01:31,230 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 470 transitions. [2023-11-24 23:01:31,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-24 23:01:31,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:31,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:31,906 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-24 23:01:39,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:01:39,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:39,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 261 states and 475 transitions. [2023-11-24 23:01:39,615 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 475 transitions. [2023-11-24 23:01:39,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-24 23:01:39,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:39,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:40,316 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-24 23:01:40,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:40,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 263 states and 483 transitions. [2023-11-24 23:01:40,731 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 483 transitions. [2023-11-24 23:01:40,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-24 23:01:40,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:40,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:41,429 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-24 23:01:41,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:41,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 264 states and 483 transitions. [2023-11-24 23:01:41,783 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 483 transitions. [2023-11-24 23:01:41,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-24 23:01:41,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:41,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms