./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_fib_longer-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8864b37-37c9-4cef-898e-69a430de53ec/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8864b37-37c9-4cef-898e-69a430de53ec/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_f8864b37-37c9-4cef-898e-69a430de53ec/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8864b37-37c9-4cef-898e-69a430de53ec/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_fib_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8864b37-37c9-4cef-898e-69a430de53ec/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_f8864b37-37c9-4cef-898e-69a430de53ec/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 583ab92a7056287b3071cc8588dd414024160b1da2815b90013f83f6f32564a1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:49:55,567 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:49:55,685 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8864b37-37c9-4cef-898e-69a430de53ec/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:49:55,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:49:55,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:49:55,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:49:55,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:49:55,733 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:49:55,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:49:55,739 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:49:55,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:49:55,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:49:55,741 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:49:55,743 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:49:55,743 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:49:55,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:49:55,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:49:55,745 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:49:55,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:49:55,746 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:49:55,746 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:49:55,747 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:49:55,747 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:49:55,749 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:49:55,750 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:49:55,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:55,751 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:49:55,751 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:49:55,751 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:49:55,752 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:49:55,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:49:55,753 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:49:55,754 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_f8864b37-37c9-4cef-898e-69a430de53ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8864b37-37c9-4cef-898e-69a430de53ec/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 583ab92a7056287b3071cc8588dd414024160b1da2815b90013f83f6f32564a1 [2023-11-11 23:49:56,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:49:56,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:49:56,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:49:56,075 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:49:56,076 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:49:56,077 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8864b37-37c9-4cef-898e-69a430de53ec/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/seq-pthread/cs_fib_longer-2.i [2023-11-11 23:49:59,325 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:49:59,618 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:49:59,618 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8864b37-37c9-4cef-898e-69a430de53ec/sv-benchmarks/c/seq-pthread/cs_fib_longer-2.i [2023-11-11 23:49:59,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8864b37-37c9-4cef-898e-69a430de53ec/bin/ukojak-verify-0OAaufAVZV/data/2f1ba49c8/03515cbd3ed242fc8bbe2092bc4c4b81/FLAGf3b4c3234 [2023-11-11 23:49:59,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8864b37-37c9-4cef-898e-69a430de53ec/bin/ukojak-verify-0OAaufAVZV/data/2f1ba49c8/03515cbd3ed242fc8bbe2092bc4c4b81 [2023-11-11 23:49:59,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:49:59,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:49:59,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:59,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:49:59,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:49:59,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:59" (1/1) ... [2023-11-11 23:49:59,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5661b004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:59, skipping insertion in model container [2023-11-11 23:49:59,680 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:59" (1/1) ... [2023-11-11 23:49:59,747 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:50:00,052 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_f8864b37-37c9-4cef-898e-69a430de53ec/sv-benchmarks/c/seq-pthread/cs_fib_longer-2.i[23464,23477] [2023-11-11 23:50:00,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:00,285 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:50:00,324 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_f8864b37-37c9-4cef-898e-69a430de53ec/sv-benchmarks/c/seq-pthread/cs_fib_longer-2.i[23464,23477] [2023-11-11 23:50:00,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:00,455 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:50:00,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:00 WrapperNode [2023-11-11 23:50:00,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:00,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:00,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:50:00,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:50:00,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:00" (1/1) ... [2023-11-11 23:50:00,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:00" (1/1) ... [2023-11-11 23:50:00,592 INFO L138 Inliner]: procedures = 144, calls = 393, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 735 [2023-11-11 23:50:00,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:00,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:50:00,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:50:00,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:50:00,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:00" (1/1) ... [2023-11-11 23:50:00,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:00" (1/1) ... [2023-11-11 23:50:00,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:00" (1/1) ... [2023-11-11 23:50:00,642 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:00" (1/1) ... [2023-11-11 23:50:00,714 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:00" (1/1) ... [2023-11-11 23:50:00,732 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:00" (1/1) ... [2023-11-11 23:50:00,737 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:00" (1/1) ... [2023-11-11 23:50:00,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:00" (1/1) ... [2023-11-11 23:50:00,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:50:00,753 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:50:00,753 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:50:00,753 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:50:00,754 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:00" (1/1) ... [2023-11-11 23:50:00,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:00,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8864b37-37c9-4cef-898e-69a430de53ec/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:50:00,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8864b37-37c9-4cef-898e-69a430de53ec/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:50:00,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8864b37-37c9-4cef-898e-69a430de53ec/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:50:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:50:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:50:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:50:00,831 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:50:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:50:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:50:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:50:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-11 23:50:00,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-11 23:50:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:50:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-11 23:50:00,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-11 23:50:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:50:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-11 23:50:00,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-11 23:50:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:50:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:50:00,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:50:01,078 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:50:01,080 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:50:01,449 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2023-11-11 23:50:01,449 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: 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 23:50:01,450 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2023-11-11 23:50:01,450 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: 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 23:50:01,450 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L733: SUMMARY for call __CS_cs(); srcloc: null [2023-11-11 23:50:01,450 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L733-1: assume 0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296);main_thread_#res#1.base, main_thread_#res#1.offset := 0, 0;call ULTIMATE.dealloc(main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset);havoc main_thread_~#id1~0#1.base, main_thread_~#id1~0#1.offset;call ULTIMATE.dealloc(main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset);havoc main_thread_~#id2~0#1.base, main_thread_~#id2~0#1.offset; [2023-11-11 23:50:01,451 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint L733-1: assume !(0 != (if ~__CS_ret~0 % 256 % 4294967296 <= 2147483647 then ~__CS_ret~0 % 256 % 4294967296 else ~__CS_ret~0 % 256 % 4294967296 - 4294967296)); [2023-11-11 23:50:13,712 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:50:13,906 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:50:13,906 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-11 23:50:13,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:13 BoogieIcfgContainer [2023-11-11 23:50:13,910 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:50:13,911 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:50:13,911 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:50:13,921 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:50:13,922 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:13" (1/1) ... [2023-11-11 23:50:13,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:50:14,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:14,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 165 states and 247 transitions. [2023-11-11 23:50:14,021 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 247 transitions. [2023-11-11 23:50:14,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-11 23:50:14,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:14,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:16,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2023-11-11 23:50:26,321 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 23:50:26,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:26,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 166 states and 248 transitions. [2023-11-11 23:50:26,510 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 248 transitions. [2023-11-11 23:50:26,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-11 23:50:26,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:26,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:27,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2257 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2023-11-11 23:50:27,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:27,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 167 states and 250 transitions. [2023-11-11 23:50:27,978 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 250 transitions. [2023-11-11 23:50:27,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-11-11 23:50:27,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:27,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:29,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2258 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2256 trivial. 0 not checked. [2023-11-11 23:50:29,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:29,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 168 states and 252 transitions. [2023-11-11 23:50:29,751 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 252 transitions. [2023-11-11 23:50:29,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-11 23:50:29,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:29,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:31,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2260 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2259 trivial. 0 not checked. [2023-11-11 23:50:41,983 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 23:50:42,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:42,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 172 states and 260 transitions. [2023-11-11 23:50:42,112 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 260 transitions. [2023-11-11 23:50:42,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-11-11 23:50:42,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:42,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:43,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2274 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2260 trivial. 0 not checked. [2023-11-11 23:50:44,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:44,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 173 states and 260 transitions. [2023-11-11 23:50:44,104 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 260 transitions. [2023-11-11 23:50:44,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-11 23:50:44,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:44,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:45,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2280 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2265 trivial. 0 not checked. [2023-11-11 23:50:57,079 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 23:50:57,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:57,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 177 states and 267 transitions. [2023-11-11 23:50:57,220 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 267 transitions. [2023-11-11 23:50:57,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-11-11 23:50:57,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:57,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms