./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_7d6bcd33-10c8-4342-9703-5aefc97f6d40/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6bcd33-10c8-4342-9703-5aefc97f6d40/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6bcd33-10c8-4342-9703-5aefc97f6d40/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6bcd33-10c8-4342-9703-5aefc97f6d40/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6bcd33-10c8-4342-9703-5aefc97f6d40/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6bcd33-10c8-4342-9703-5aefc97f6d40/bin/ukojak-verify-G8NBE6pJGL --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 5adc3402a12b42bc2aef7c382784898827eb467d1d3955bed162b3bd231708de --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:27:53,421 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:27:53,537 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6bcd33-10c8-4342-9703-5aefc97f6d40/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:27:53,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:27:53,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:27:53,585 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:27:53,587 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:27:53,588 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:27:53,589 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:27:53,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:27:53,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:27:53,595 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:27:53,595 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:27:53,597 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:27:53,598 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:27:53,598 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:27:53,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:27:53,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:27:53,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:27:53,600 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:27:53,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:27:53,601 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:27:53,602 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:27:53,602 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:27:53,603 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:27:53,604 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:27:53,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:53,605 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:27:53,605 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:27:53,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:27:53,607 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:27:53,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:27:53,608 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:27:53,608 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_7d6bcd33-10c8-4342-9703-5aefc97f6d40/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6bcd33-10c8-4342-9703-5aefc97f6d40/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5adc3402a12b42bc2aef7c382784898827eb467d1d3955bed162b3bd231708de [2023-11-19 03:27:53,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:27:53,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:27:53,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:27:53,941 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:27:53,942 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:27:53,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6bcd33-10c8-4342-9703-5aefc97f6d40/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c [2023-11-19 03:27:57,054 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:27:57,257 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:27:57,257 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6bcd33-10c8-4342-9703-5aefc97f6d40/sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c [2023-11-19 03:27:57,267 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6bcd33-10c8-4342-9703-5aefc97f6d40/bin/ukojak-verify-G8NBE6pJGL/data/393d4eeda/e266609a51a94f558733e888550c4500/FLAG87ebd1964 [2023-11-19 03:27:57,282 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6bcd33-10c8-4342-9703-5aefc97f6d40/bin/ukojak-verify-G8NBE6pJGL/data/393d4eeda/e266609a51a94f558733e888550c4500 [2023-11-19 03:27:57,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:27:57,286 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:27:57,287 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:57,288 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:27:57,292 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:27:57,293 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:57" (1/1) ... [2023-11-19 03:27:57,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ecab9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:57, skipping insertion in model container [2023-11-19 03:27:57,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:57" (1/1) ... [2023-11-19 03:27:57,330 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:27:57,494 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_7d6bcd33-10c8-4342-9703-5aefc97f6d40/sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c[643,656] [2023-11-19 03:27:57,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:57,594 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:27:57,609 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_7d6bcd33-10c8-4342-9703-5aefc97f6d40/sv-benchmarks/c/systemc/pc_sfifo_2.cil-2.c[643,656] [2023-11-19 03:27:57,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:57,651 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:27:57,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:57 WrapperNode [2023-11-19 03:27:57,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:57,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:57,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:27:57,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:27:57,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:57" (1/1) ... [2023-11-19 03:27:57,670 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:57" (1/1) ... [2023-11-19 03:27:57,695 INFO L138 Inliner]: procedures = 29, calls = 32, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 190 [2023-11-19 03:27:57,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:57,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:27:57,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:27:57,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:27:57,706 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:57" (1/1) ... [2023-11-19 03:27:57,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:57" (1/1) ... [2023-11-19 03:27:57,709 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:57" (1/1) ... [2023-11-19 03:27:57,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:57" (1/1) ... [2023-11-19 03:27:57,715 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:57" (1/1) ... [2023-11-19 03:27:57,720 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:57" (1/1) ... [2023-11-19 03:27:57,722 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:57" (1/1) ... [2023-11-19 03:27:57,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:57" (1/1) ... [2023-11-19 03:27:57,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:27:57,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:27:57,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:27:57,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:27:57,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:57" (1/1) ... [2023-11-19 03:27:57,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:57,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6bcd33-10c8-4342-9703-5aefc97f6d40/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:27:57,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6bcd33-10c8-4342-9703-5aefc97f6d40/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:27:57,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6bcd33-10c8-4342-9703-5aefc97f6d40/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:27:57,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:27:57,816 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-19 03:27:57,816 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-19 03:27:57,817 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2023-11-19 03:27:57,817 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2023-11-19 03:27:57,818 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2023-11-19 03:27:57,818 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2023-11-19 03:27:57,818 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2023-11-19 03:27:57,819 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2023-11-19 03:27:57,819 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2023-11-19 03:27:57,819 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2023-11-19 03:27:57,819 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2023-11-19 03:27:57,819 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2023-11-19 03:27:57,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:27:57,820 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2023-11-19 03:27:57,820 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2023-11-19 03:27:57,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:27:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:27:57,821 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2023-11-19 03:27:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2023-11-19 03:27:57,901 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:27:57,903 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:27:58,230 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:27:58,432 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:27:58,432 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 03:27:58,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:58 BoogieIcfgContainer [2023-11-19 03:27:58,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:27:58,449 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:27:58,449 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:27:58,465 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:27:58,465 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:58" (1/1) ... [2023-11-19 03:27:58,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:27:58,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:58,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 101 transitions. [2023-11-19 03:27:58,546 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2023-11-19 03:27:58,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:27:58,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:58,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:59,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:59,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:59,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 78 states and 103 transitions. [2023-11-19 03:27:59,155 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 103 transitions. [2023-11-19 03:27:59,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:27:59,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:59,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:59,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:59,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:59,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 83 states and 110 transitions. [2023-11-19 03:27:59,693 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 110 transitions. [2023-11-19 03:27:59,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:27:59,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:59,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:27:59,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:27:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:27:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:27:59,914 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:27:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:28:00,000 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-19 03:28:00,076 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret7 could not be translated [2023-11-19 03:28:00,080 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-11-19 03:28:00,082 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret9 could not be translated [2023-11-19 03:28:00,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:28:00 ImpRootNode [2023-11-19 03:28:00,105 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:28:00,106 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:28:00,106 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:28:00,106 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:28:00,106 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:58" (3/4) ... [2023-11-19 03:28:00,107 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:28:00,134 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret7 could not be translated [2023-11-19 03:28:00,135 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-11-19 03:28:00,136 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret9 could not be translated [2023-11-19 03:28:00,247 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6bcd33-10c8-4342-9703-5aefc97f6d40/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:28:00,247 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:28:00,248 INFO L158 Benchmark]: Toolchain (without parser) took 2962.34ms. Allocated memory is still 195.0MB. Free memory was 146.1MB in the beginning and 162.3MB in the end (delta: -16.2MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2023-11-19 03:28:00,249 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 144.7MB. Free memory was 88.7MB in the beginning and 88.5MB in the end (delta: 120.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:28:00,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.13ms. Allocated memory is still 195.0MB. Free memory was 145.8MB in the beginning and 132.4MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:28:00,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.27ms. Allocated memory is still 195.0MB. Free memory was 132.4MB in the beginning and 130.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:28:00,250 INFO L158 Benchmark]: Boogie Preprocessor took 31.03ms. Allocated memory is still 195.0MB. Free memory was 130.6MB in the beginning and 129.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:28:00,250 INFO L158 Benchmark]: RCFGBuilder took 720.20ms. Allocated memory is still 195.0MB. Free memory was 128.9MB in the beginning and 159.2MB in the end (delta: -30.3MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2023-11-19 03:28:00,251 INFO L158 Benchmark]: CodeCheck took 1656.09ms. Allocated memory is still 195.0MB. Free memory was 159.2MB in the beginning and 95.3MB in the end (delta: 63.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-19 03:28:00,251 INFO L158 Benchmark]: Witness Printer took 142.13ms. Allocated memory is still 195.0MB. Free memory was 95.1MB in the beginning and 162.3MB in the end (delta: -67.2MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-11-19 03:28:00,253 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 235 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 162 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 146 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 638 GetRequests, 622 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 133 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 20]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L25] int q_buf_0 ; [L26] int q_free ; [L27] int q_read_ev ; [L28] int q_write_ev ; [L29] int q_req_up ; [L30] int q_ev ; [L51] int p_num_write ; [L52] int p_last_write ; [L53] int p_dw_st ; [L54] int p_dw_pc ; [L55] int p_dw_i ; [L56] int c_num_read ; [L57] int c_last_read ; [L58] int c_dr_st ; [L59] int c_dr_pc ; [L60] int c_dr_i ; [L164] static int a_t ; [L466] int __retres1 ; [L470] CALL init_model() [L452] q_free = 1 [L453] q_write_ev = 2 [L454] q_read_ev = q_write_ev [L455] p_num_write = 0 [L456] p_dw_pc = 0 [L457] p_dw_i = 1 [L458] c_num_read = 0 [L459] c_dr_pc = 0 [L460] c_dr_i = 1 [L470] RET init_model() [L471] CALL start_simulation() [L406] int kernel_st ; [L407] int tmp ; [L411] kernel_st = 0 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L412] CALL update_channels() VAL [\old(q_ev)=0, \old(q_read_ev)=2, \old(q_req_up)=0, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L222] COND FALSE !((int )q_req_up == 1) [L412] RET update_channels() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L413] CALL init_threads() [L237] COND TRUE (int )p_dw_i == 1 [L238] p_dw_st = 0 [L242] COND TRUE (int )c_dr_i == 1 [L243] c_dr_st = 0 [L413] RET init_threads() [L414] CALL fire_delta_events() VAL [\old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L275] COND FALSE !((int )q_read_ev == 0) [L280] COND FALSE !((int )q_write_ev == 0) [L414] RET fire_delta_events() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L415] CALL activate_threads() VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L308] int tmp ; [L309] int tmp___0 ; VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L313] CALL, EXPR is_do_write_p_triggered() VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L62] int __retres1 ; VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L65] COND FALSE !((int )p_dw_pc == 1) VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L75] __retres1 = 0 VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, __retres1=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L77] return (__retres1); [L313] RET, EXPR is_do_write_p_triggered() VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L313] tmp = is_do_write_p_triggered() [L315] COND FALSE !(\read(tmp)) VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, tmp=0] [L321] CALL, EXPR is_do_read_c_triggered() VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L81] int __retres1 ; VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L84] COND FALSE !((int )c_dr_pc == 1) VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L94] __retres1 = 0 VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, __retres1=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L96] return (__retres1); [L321] RET, EXPR is_do_read_c_triggered() VAL [\old(c_dr_st)=0, \old(p_dw_st)=0, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, tmp=0] [L321] tmp___0 = is_do_read_c_triggered() [L323] COND FALSE !(\read(tmp___0)) [L415] RET activate_threads() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L416] CALL reset_delta_events() VAL [\old(q_read_ev)=2, \old(q_write_ev)=2, a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L293] COND FALSE !((int )q_read_ev == 1) [L298] COND FALSE !((int )q_write_ev == 1) [L416] RET reset_delta_events() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, kernel_st=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L419] COND TRUE 1 [L422] kernel_st = 1 [L423] CALL eval() [L333] int tmp ; [L334] int tmp___0 ; [L335] int tmp___1 ; VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L339] COND TRUE 1 VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L342] CALL, EXPR exists_runnable_thread() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L252] int __retres1 ; [L255] COND TRUE (int )p_dw_st == 0 [L256] __retres1 = 1 [L268] return (__retres1); [L342] RET, EXPR exists_runnable_thread() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L342] tmp___1 = exists_runnable_thread() [L344] COND TRUE \read(tmp___1) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, tmp___1=1] [L349] COND TRUE (int )p_dw_st == 0 [L351] tmp = __VERIFIER_nondet_int() [L353] COND FALSE !(\read(tmp)) VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2, tmp=0, tmp___1=1] [L359] CALL error() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] [L20] reach_error() VAL [a_t=0, c_dr_i=1, c_dr_pc=0, c_dr_st=0, c_last_read=0, c_num_read=0, p_dw_i=1, p_dw_pc=0, p_dw_st=0, p_last_write=0, p_num_write=0, q_buf_0=0, q_ev=0, q_free=1, q_read_ev=2, q_req_up=0, q_write_ev=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 144.7MB. Free memory was 88.7MB in the beginning and 88.5MB in the end (delta: 120.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.13ms. Allocated memory is still 195.0MB. Free memory was 145.8MB in the beginning and 132.4MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.27ms. Allocated memory is still 195.0MB. Free memory was 132.4MB in the beginning and 130.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.03ms. Allocated memory is still 195.0MB. Free memory was 130.6MB in the beginning and 129.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 720.20ms. Allocated memory is still 195.0MB. Free memory was 128.9MB in the beginning and 159.2MB in the end (delta: -30.3MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * CodeCheck took 1656.09ms. Allocated memory is still 195.0MB. Free memory was 159.2MB in the beginning and 95.3MB in the end (delta: 63.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Witness Printer took 142.13ms. Allocated memory is still 195.0MB. Free memory was 95.1MB in the beginning and 162.3MB in the end (delta: -67.2MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret9 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret9 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 03:28:00,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d6bcd33-10c8-4342-9703-5aefc97f6d40/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE