./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_9a0123d8-8ad9-474e-82b2-3c385b6ab963/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0123d8-8ad9-474e-82b2-3c385b6ab963/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0123d8-8ad9-474e-82b2-3c385b6ab963/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0123d8-8ad9-474e-82b2-3c385b6ab963/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0123d8-8ad9-474e-82b2-3c385b6ab963/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0123d8-8ad9-474e-82b2-3c385b6ab963/bin/ukojak-verify-0OAaufAVZV --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 e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:46:10,598 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:46:10,734 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0123d8-8ad9-474e-82b2-3c385b6ab963/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:46:10,746 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:46:10,746 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:46:10,772 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:46:10,774 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:46:10,775 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:46:10,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:46:10,781 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:46:10,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:46:10,782 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:46:10,783 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:46:10,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:46:10,785 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:46:10,785 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:46:10,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:46:10,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:46:10,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:46:10,787 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:46:10,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:46:10,789 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:46:10,789 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:46:10,790 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:46:10,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:46:10,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:10,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:46:10,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:46:10,792 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:46:10,793 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:46:10,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:46:10,794 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:46:10,794 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_9a0123d8-8ad9-474e-82b2-3c385b6ab963/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0123d8-8ad9-474e-82b2-3c385b6ab963/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 [2023-11-11 23:46:11,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:46:11,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:46:11,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:46:11,128 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:46:11,129 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:46:11,130 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0123d8-8ad9-474e-82b2-3c385b6ab963/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2023-11-11 23:46:14,168 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:46:14,570 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:46:14,571 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0123d8-8ad9-474e-82b2-3c385b6ab963/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2023-11-11 23:46:14,591 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0123d8-8ad9-474e-82b2-3c385b6ab963/bin/ukojak-verify-0OAaufAVZV/data/b0ce54c23/d0c1131ac34f446e8eccd41fc9c09512/FLAGbdf6a2112 [2023-11-11 23:46:14,607 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0123d8-8ad9-474e-82b2-3c385b6ab963/bin/ukojak-verify-0OAaufAVZV/data/b0ce54c23/d0c1131ac34f446e8eccd41fc9c09512 [2023-11-11 23:46:14,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:46:14,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:46:14,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:14,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:46:14,618 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:46:14,619 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:14" (1/1) ... [2023-11-11 23:46:14,620 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@154dbcdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:14, skipping insertion in model container [2023-11-11 23:46:14,620 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:46:14" (1/1) ... [2023-11-11 23:46:14,678 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:46:15,075 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_9a0123d8-8ad9-474e-82b2-3c385b6ab963/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2023-11-11 23:46:15,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:15,198 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:46:15,244 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_9a0123d8-8ad9-474e-82b2-3c385b6ab963/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2023-11-11 23:46:15,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:46:15,373 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:46:15,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:15 WrapperNode [2023-11-11 23:46:15,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:46:15,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:15,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:46:15,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:46:15,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:15" (1/1) ... [2023-11-11 23:46:15,414 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:15" (1/1) ... [2023-11-11 23:46:15,477 INFO L138 Inliner]: procedures = 147, calls = 289, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 606 [2023-11-11 23:46:15,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:46:15,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:46:15,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:46:15,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:46:15,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:15" (1/1) ... [2023-11-11 23:46:15,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:15" (1/1) ... [2023-11-11 23:46:15,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:15" (1/1) ... [2023-11-11 23:46:15,516 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:15" (1/1) ... [2023-11-11 23:46:15,557 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:15" (1/1) ... [2023-11-11 23:46:15,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:15" (1/1) ... [2023-11-11 23:46:15,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:15" (1/1) ... [2023-11-11 23:46:15,588 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:15" (1/1) ... [2023-11-11 23:46:15,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:46:15,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:46:15,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:46:15,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:46:15,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:46:15" (1/1) ... [2023-11-11 23:46:15,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:46:15,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0123d8-8ad9-474e-82b2-3c385b6ab963/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:46:15,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0123d8-8ad9-474e-82b2-3c385b6ab963/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:46:15,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a0123d8-8ad9-474e-82b2-3c385b6ab963/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:46:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:46:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:46:15,678 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:46:15,678 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:46:15,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:46:15,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:46:15,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:46:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-11 23:46:15,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-11 23:46:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:46:15,681 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-11 23:46:15,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-11 23:46:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-11 23:46:15,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-11 23:46:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:46:15,682 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-11 23:46:15,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-11 23:46:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:46:15,683 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2023-11-11 23:46:15,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2023-11-11 23:46:15,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:46:15,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:46:15,903 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:46:15,905 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:46:16,473 INFO L770 $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)); [2023-11-11 23:46:16,473 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);reader_#res#1.base, reader_#res#1.offset := 0, 0; [2023-11-11 23:46:27,019 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:46:27,194 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:46:27,194 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:46:27,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:27 BoogieIcfgContainer [2023-11-11 23:46:27,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:46:27,199 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:46:27,199 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:46:27,211 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:46:27,211 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:46:27" (1/1) ... [2023-11-11 23:46:27,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:46:27,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:27,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 145 states and 221 transitions. [2023-11-11 23:46:27,309 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 221 transitions. [2023-11-11 23:46:27,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-11 23:46:27,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:27,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:28,124 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-11 23:46:38,212 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 [] [2023-11-11 23:46:38,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:38,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 146 states and 222 transitions. [2023-11-11 23:46:38,292 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 222 transitions. [2023-11-11 23:46:38,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-11 23:46:38,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:38,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:38,734 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-11 23:46:38,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:38,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 147 states and 224 transitions. [2023-11-11 23:46:38,794 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 224 transitions. [2023-11-11 23:46:38,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-11 23:46:38,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:38,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:39,191 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-11 23:46:39,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:39,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 148 states and 226 transitions. [2023-11-11 23:46:39,286 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 226 transitions. [2023-11-11 23:46:39,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-11 23:46:39,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:39,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:39,707 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-11-11 23:46:50,133 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 [] [2023-11-11 23:46:50,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:50,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 152 states and 233 transitions. [2023-11-11 23:46:50,187 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 233 transitions. [2023-11-11 23:46:50,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-11 23:46:50,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:50,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:50,667 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-11-11 23:46:50,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:50,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 153 states and 234 transitions. [2023-11-11 23:46:50,835 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 234 transitions. [2023-11-11 23:46:50,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-11 23:46:50,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:50,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:51,318 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-11-11 23:46:51,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:51,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 154 states and 235 transitions. [2023-11-11 23:46:51,502 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 235 transitions. [2023-11-11 23:46:51,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-11 23:46:51,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:51,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:52,023 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-11-11 23:46:52,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:52,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 155 states and 235 transitions. [2023-11-11 23:46:52,239 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 235 transitions. [2023-11-11 23:46:52,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-11 23:46:52,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:52,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:52,691 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-11-11 23:46:52,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:52,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 156 states and 236 transitions. [2023-11-11 23:46:52,867 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 236 transitions. [2023-11-11 23:46:52,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-11 23:46:52,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:52,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:53,366 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-11-11 23:46:53,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:53,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 157 states and 237 transitions. [2023-11-11 23:46:53,558 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 237 transitions. [2023-11-11 23:46:53,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-11 23:46:53,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:53,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:54,081 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-11-11 23:46:54,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:46:54,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 158 states and 237 transitions. [2023-11-11 23:46:54,262 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 237 transitions. [2023-11-11 23:46:54,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-11 23:46:54,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:46:54,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:46:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:46:55,101 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2023-11-11 23:47:08,590 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 []