./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_stack-1.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_0735f1fb-2b7e-4617-8afb-bfd9583a0848/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0735f1fb-2b7e-4617-8afb-bfd9583a0848/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_0735f1fb-2b7e-4617-8afb-bfd9583a0848/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0735f1fb-2b7e-4617-8afb-bfd9583a0848/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0735f1fb-2b7e-4617-8afb-bfd9583a0848/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_0735f1fb-2b7e-4617-8afb-bfd9583a0848/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 f673ebb9e7e04aacff207de4acfe748a76999a1319247236c14ae51e44f23889 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:30:48,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:30:48,383 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0735f1fb-2b7e-4617-8afb-bfd9583a0848/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-23 20:30:48,389 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:30:48,390 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:30:48,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:30:48,426 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:30:48,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:30:48,427 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:30:48,428 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:30:48,429 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:30:48,430 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:30:48,430 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:30:48,431 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:30:48,431 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:30:48,432 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:30:48,433 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:30:48,433 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:30:48,434 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:30:48,435 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:30:48,435 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:30:48,436 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:30:48,437 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:30:48,437 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:30:48,438 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:30:48,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:30:48,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:48,440 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:30:48,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:30:48,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:30:48,442 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:30:48,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:30:48,443 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:30:48,443 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_0735f1fb-2b7e-4617-8afb-bfd9583a0848/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0735f1fb-2b7e-4617-8afb-bfd9583a0848/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f673ebb9e7e04aacff207de4acfe748a76999a1319247236c14ae51e44f23889 [2023-11-23 20:30:48,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:30:48,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:30:48,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:30:48,722 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:30:48,723 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:30:48,724 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0735f1fb-2b7e-4617-8afb-bfd9583a0848/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/seq-pthread/cs_stack-1.i [2023-11-23 20:30:51,861 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:30:52,242 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:30:52,243 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0735f1fb-2b7e-4617-8afb-bfd9583a0848/sv-benchmarks/c/seq-pthread/cs_stack-1.i [2023-11-23 20:30:52,287 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0735f1fb-2b7e-4617-8afb-bfd9583a0848/bin/ukojak-verify-1t5iHCbJaC/data/9e4a459b2/d4654831e9374806a6153690e953de37/FLAG802b26cc3 [2023-11-23 20:30:52,302 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0735f1fb-2b7e-4617-8afb-bfd9583a0848/bin/ukojak-verify-1t5iHCbJaC/data/9e4a459b2/d4654831e9374806a6153690e953de37 [2023-11-23 20:30:52,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:30:52,311 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:30:52,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:52,312 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:30:52,317 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:30:52,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:52" (1/1) ... [2023-11-23 20:30:52,319 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3915e5e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:52, skipping insertion in model container [2023-11-23 20:30:52,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:52" (1/1) ... [2023-11-23 20:30:52,385 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:30:52,906 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_0735f1fb-2b7e-4617-8afb-bfd9583a0848/sv-benchmarks/c/seq-pthread/cs_stack-1.i[34744,34757] [2023-11-23 20:30:53,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:53,048 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:30:53,109 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_0735f1fb-2b7e-4617-8afb-bfd9583a0848/sv-benchmarks/c/seq-pthread/cs_stack-1.i[34744,34757] [2023-11-23 20:30:53,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:53,309 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:30:53,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:53 WrapperNode [2023-11-23 20:30:53,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:53,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:53,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:30:53,312 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:30:53,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:53" (1/1) ... [2023-11-23 20:30:53,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:53" (1/1) ... [2023-11-23 20:30:53,446 INFO L138 Inliner]: procedures = 254, calls = 274, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 646 [2023-11-23 20:30:53,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:53,458 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:30:53,458 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:30:53,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:30:53,468 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:53" (1/1) ... [2023-11-23 20:30:53,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:53" (1/1) ... [2023-11-23 20:30:53,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:53" (1/1) ... [2023-11-23 20:30:53,478 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:53" (1/1) ... [2023-11-23 20:30:53,507 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:53" (1/1) ... [2023-11-23 20:30:53,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:53" (1/1) ... [2023-11-23 20:30:53,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:53" (1/1) ... [2023-11-23 20:30:53,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:53" (1/1) ... [2023-11-23 20:30:53,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:30:53,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:30:53,536 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:30:53,536 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:30:53,537 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:53" (1/1) ... [2023-11-23 20:30:53,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:53,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0735f1fb-2b7e-4617-8afb-bfd9583a0848/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:30:53,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0735f1fb-2b7e-4617-8afb-bfd9583a0848/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:30:53,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0735f1fb-2b7e-4617-8afb-bfd9583a0848/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:30:53,622 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:30:53,622 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:30:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:30:53,623 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2023-11-23 20:30:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2023-11-23 20:30:53,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:30:53,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:30:53,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:30:53,626 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2023-11-23 20:30:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2023-11-23 20:30:53,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:30:53,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:30:53,627 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-23 20:30:53,627 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-23 20:30:53,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:30:53,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:30:53,628 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-23 20:30:53,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-23 20:30:53,628 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-23 20:30:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-23 20:30:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-23 20:30:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-23 20:30:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-23 20:30:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-23 20:30:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-23 20:30:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-23 20:30:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:30:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:30:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:30:53,873 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:30:53,875 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:30:53,930 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 20:30:53,930 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 20:30:53,962 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 20:30:53,962 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 20:30:53,963 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 20:30:53,963 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 20:30:53,963 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 20:30:53,963 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L933: SUMMARY for call __CS_cs(); srcloc: null [2023-11-23 20:30:53,964 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L933-1: 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 20:30:53,964 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L933-1: 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 20:30:53,964 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 20:30:54,516 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 20:30:54,517 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 20:30:54,517 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 20:30:54,517 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 20:30:54,517 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 20:30:54,517 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 20:30:54,518 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 20:30:54,518 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 20:30:54,518 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L1005: 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 20:30:54,518 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L1005: 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 20:30:54,518 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L989-2: SUMMARY for call __CS_cs(); srcloc: null [2023-11-23 20:30:54,519 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 20:30:54,519 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 20:31:04,871 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:31:05,041 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:31:05,042 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-23 20:31:05,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:05 BoogieIcfgContainer [2023-11-23 20:31:05,044 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:31:05,045 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:31:05,045 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:31:05,060 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:31:05,060 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:05" (1/1) ... [2023-11-23 20:31:05,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:05,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:05,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 195 states and 308 transitions. [2023-11-23 20:31:05,152 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 308 transitions. [2023-11-23 20:31:05,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 20:31:05,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:05,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:06,052 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 20:31:08,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:31:08,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:08,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 196 states and 309 transitions. [2023-11-23 20:31:08,710 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 309 transitions. [2023-11-23 20:31:08,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-23 20:31:08,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:08,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:09,139 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-23 20:31:09,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:09,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 197 states and 311 transitions. [2023-11-23 20:31:09,213 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 311 transitions. [2023-11-23 20:31:09,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-23 20:31:09,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:09,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:09,647 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-23 20:31:09,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:09,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 198 states and 313 transitions. [2023-11-23 20:31:09,721 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 313 transitions. [2023-11-23 20:31:09,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-23 20:31:09,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:09,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:10,018 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-11-23 20:31:10,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:10,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 199 states and 315 transitions. [2023-11-23 20:31:10,044 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 315 transitions. [2023-11-23 20:31:10,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-23 20:31:10,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:10,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:10,354 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-11-23 20:31:10,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:10,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 200 states and 317 transitions. [2023-11-23 20:31:10,394 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 317 transitions. [2023-11-23 20:31:10,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 20:31:10,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:10,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:10,775 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2023-11-23 20:31:21,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:31:21,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:21,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 207 states and 330 transitions. [2023-11-23 20:31:21,332 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 330 transitions. [2023-11-23 20:31:21,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-23 20:31:21,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:21,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:21,886 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2023-11-23 20:31:22,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:22,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 208 states and 330 transitions. [2023-11-23 20:31:22,087 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 330 transitions. [2023-11-23 20:31:22,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-23 20:31:22,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:22,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:22,573 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2023-11-23 20:31:22,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:22,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 209 states and 331 transitions. [2023-11-23 20:31:22,609 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 331 transitions. [2023-11-23 20:31:22,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-23 20:31:22,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:22,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:23,069 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2023-11-23 20:31:23,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:23,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 210 states and 332 transitions. [2023-11-23 20:31:23,286 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 332 transitions. [2023-11-23 20:31:23,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-23 20:31:23,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:23,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:23,838 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 29 proven. 10 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2023-11-23 20:31:24,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:24,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 211 states and 332 transitions. [2023-11-23 20:31:24,065 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 332 transitions. [2023-11-23 20:31:24,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 20:31:24,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:24,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:24,505 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2023-11-23 20:31:24,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:24,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 212 states and 332 transitions. [2023-11-23 20:31:24,679 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 332 transitions. [2023-11-23 20:31:24,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-23 20:31:24,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:24,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:25,106 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2023-11-23 20:31:25,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:25,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 213 states and 333 transitions. [2023-11-23 20:31:25,141 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 333 transitions. [2023-11-23 20:31:25,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-23 20:31:25,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:25,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:25,647 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2023-11-23 20:31:25,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:25,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 214 states and 334 transitions. [2023-11-23 20:31:25,890 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 334 transitions. [2023-11-23 20:31:25,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-23 20:31:25,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:25,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:26,399 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2023-11-23 20:31:26,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:26,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 215 states and 334 transitions. [2023-11-23 20:31:26,626 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 334 transitions. [2023-11-23 20:31:26,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-23 20:31:26,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:26,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:27,575 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2023-11-23 20:31:42,728 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 []