./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_fa64f00e-9960-4ec8-b9c5-ef394af7615a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa64f00e-9960-4ec8-b9c5-ef394af7615a/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_fa64f00e-9960-4ec8-b9c5-ef394af7615a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa64f00e-9960-4ec8-b9c5-ef394af7615a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa64f00e-9960-4ec8-b9c5-ef394af7615a/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_fa64f00e-9960-4ec8-b9c5-ef394af7615a/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 cbb2fc13b8cfe94a8598776143f7662f536c656f69c1b5d29afc37de7c1d9e70 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:36:09,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:36:09,843 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa64f00e-9960-4ec8-b9c5-ef394af7615a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:36:09,852 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:36:09,853 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:36:09,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:36:09,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:36:09,896 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:36:09,897 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:36:09,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:36:09,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:36:09,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:36:09,904 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:36:09,906 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:36:09,907 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:36:09,907 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:36:09,907 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:36:09,908 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:36:09,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:36:09,909 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:36:09,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:36:09,910 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:36:09,910 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:36:09,911 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:36:09,911 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:36:09,912 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:36:09,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:36:09,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:36:09,913 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:36:09,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:36:09,915 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:36:09,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:36:09,916 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:36:09,916 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_fa64f00e-9960-4ec8-b9c5-ef394af7615a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa64f00e-9960-4ec8-b9c5-ef394af7615a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbb2fc13b8cfe94a8598776143f7662f536c656f69c1b5d29afc37de7c1d9e70 [2023-11-19 03:36:10,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:36:10,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:36:10,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:36:10,352 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:36:10,352 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:36:10,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa64f00e-9960-4ec8-b9c5-ef394af7615a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-11-19 03:36:13,962 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:36:14,632 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:36:14,633 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa64f00e-9960-4ec8-b9c5-ef394af7615a/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-11-19 03:36:14,706 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa64f00e-9960-4ec8-b9c5-ef394af7615a/bin/ukojak-verify-G8NBE6pJGL/data/dfda74f29/1012b75955a24d6ba762c769d01ae8b6/FLAG36ca38021 [2023-11-19 03:36:14,735 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa64f00e-9960-4ec8-b9c5-ef394af7615a/bin/ukojak-verify-G8NBE6pJGL/data/dfda74f29/1012b75955a24d6ba762c769d01ae8b6 [2023-11-19 03:36:14,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:36:14,740 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:36:14,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:36:14,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:36:14,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:36:14,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:36:14" (1/1) ... [2023-11-19 03:36:14,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fada008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:14, skipping insertion in model container [2023-11-19 03:36:14,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:36:14" (1/1) ... [2023-11-19 03:36:14,955 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:36:15,532 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_fa64f00e-9960-4ec8-b9c5-ef394af7615a/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13772,13785] [2023-11-19 03:36:15,547 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_fa64f00e-9960-4ec8-b9c5-ef394af7615a/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14419,14432] [2023-11-19 03:36:15,567 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_fa64f00e-9960-4ec8-b9c5-ef394af7615a/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15695,15708] [2023-11-19 03:36:15,589 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_fa64f00e-9960-4ec8-b9c5-ef394af7615a/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16671,16684] [2023-11-19 03:36:15,679 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_fa64f00e-9960-4ec8-b9c5-ef394af7615a/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25142,25155] [2023-11-19 03:36:15,742 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:36:15,758 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:36:15,882 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_fa64f00e-9960-4ec8-b9c5-ef394af7615a/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13772,13785] [2023-11-19 03:36:15,892 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_fa64f00e-9960-4ec8-b9c5-ef394af7615a/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14419,14432] [2023-11-19 03:36:15,905 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_fa64f00e-9960-4ec8-b9c5-ef394af7615a/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15695,15708] [2023-11-19 03:36:15,917 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_fa64f00e-9960-4ec8-b9c5-ef394af7615a/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16671,16684] [2023-11-19 03:36:16,056 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_fa64f00e-9960-4ec8-b9c5-ef394af7615a/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25142,25155] [2023-11-19 03:36:16,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:36:16,144 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:36:16,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:16 WrapperNode [2023-11-19 03:36:16,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:36:16,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:36:16,147 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:36:16,147 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:36:16,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:16" (1/1) ... [2023-11-19 03:36:16,181 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:16" (1/1) ... [2023-11-19 03:36:16,301 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1602 [2023-11-19 03:36:16,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:36:16,302 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:36:16,302 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:36:16,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:36:16,312 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:16" (1/1) ... [2023-11-19 03:36:16,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:16" (1/1) ... [2023-11-19 03:36:16,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:16" (1/1) ... [2023-11-19 03:36:16,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:16" (1/1) ... [2023-11-19 03:36:16,348 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:16" (1/1) ... [2023-11-19 03:36:16,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:16" (1/1) ... [2023-11-19 03:36:16,373 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:16" (1/1) ... [2023-11-19 03:36:16,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:16" (1/1) ... [2023-11-19 03:36:16,397 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:36:16,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:36:16,398 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:36:16,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:36:16,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:36:16" (1/1) ... [2023-11-19 03:36:16,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:36:16,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa64f00e-9960-4ec8-b9c5-ef394af7615a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:36:16,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa64f00e-9960-4ec8-b9c5-ef394af7615a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:36:16,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa64f00e-9960-4ec8-b9c5-ef394af7615a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:36:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:36:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:36:16,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:36:16,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:36:16,717 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:36:16,720 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:36:18,247 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:36:18,779 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:36:18,779 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:36:18,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:36:18 BoogieIcfgContainer [2023-11-19 03:36:18,788 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:36:18,789 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:36:18,789 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:36:18,799 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:36:18,800 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:36:18" (1/1) ... [2023-11-19 03:36:18,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:36:18,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:18,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 286 states and 497 transitions. [2023-11-19 03:36:18,876 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 497 transitions. [2023-11-19 03:36:18,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 03:36:18,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:18,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:20,964 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 03:36:21,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:21,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 296 states and 515 transitions. [2023-11-19 03:36:21,249 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 515 transitions. [2023-11-19 03:36:21,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 03:36:21,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:21,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:21,458 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 03:36:21,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:21,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 340 states and 601 transitions. [2023-11-19 03:36:21,687 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 601 transitions. [2023-11-19 03:36:21,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 03:36:21,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:21,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:21,844 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 03:36:21,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:21,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 339 states and 598 transitions. [2023-11-19 03:36:21,936 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 598 transitions. [2023-11-19 03:36:21,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 03:36:21,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:21,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:22,138 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 03:36:22,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:22,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 384 states and 687 transitions. [2023-11-19 03:36:22,518 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 687 transitions. [2023-11-19 03:36:22,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 03:36:22,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:22,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:22,709 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 03:36:22,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:22,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 382 states and 681 transitions. [2023-11-19 03:36:22,807 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 681 transitions. [2023-11-19 03:36:22,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 03:36:22,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:22,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:22,948 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 03:36:23,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:23,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 427 states and 770 transitions. [2023-11-19 03:36:23,682 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 770 transitions. [2023-11-19 03:36:23,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 03:36:23,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:23,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:23,821 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 03:36:23,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:23,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 425 states and 764 transitions. [2023-11-19 03:36:23,979 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 764 transitions. [2023-11-19 03:36:23,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 03:36:23,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:23,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:24,895 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 03:36:26,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:26,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 439 states and 790 transitions. [2023-11-19 03:36:26,423 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 790 transitions. [2023-11-19 03:36:26,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 03:36:26,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:26,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:26,839 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 03:36:29,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:29,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 441 states and 795 transitions. [2023-11-19 03:36:29,789 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 795 transitions. [2023-11-19 03:36:29,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 03:36:29,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:29,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:30,760 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 03:36:33,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:33,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 442 states and 796 transitions. [2023-11-19 03:36:33,147 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 796 transitions. [2023-11-19 03:36:33,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 03:36:33,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:33,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:33,364 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 03:36:33,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:33,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 442 states and 795 transitions. [2023-11-19 03:36:33,822 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 795 transitions. [2023-11-19 03:36:33,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-19 03:36:33,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:33,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:34,013 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 03:36:35,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:35,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 445 states and 801 transitions. [2023-11-19 03:36:35,648 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 801 transitions. [2023-11-19 03:36:35,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-19 03:36:35,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:35,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:35,834 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 03:36:37,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:37,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 442 states and 791 transitions. [2023-11-19 03:36:37,430 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 791 transitions. [2023-11-19 03:36:37,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 03:36:37,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:37,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:38,411 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 03:36:46,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:46,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 494 states and 898 transitions. [2023-11-19 03:36:46,643 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 898 transitions. [2023-11-19 03:36:46,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 03:36:46,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:46,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:47,807 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 03:36:57,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:57,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 507 states and 921 transitions. [2023-11-19 03:36:57,992 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 921 transitions. [2023-11-19 03:36:57,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 03:36:57,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:57,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:58,101 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 03:36:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:58,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 510 states and 926 transitions. [2023-11-19 03:36:58,223 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 926 transitions. [2023-11-19 03:36:58,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 03:36:58,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:58,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:58,326 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 03:36:58,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:58,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 511 states and 926 transitions. [2023-11-19 03:36:58,442 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 926 transitions. [2023-11-19 03:36:58,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 03:36:58,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:58,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:36:58,595 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 03:36:59,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:36:59,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 513 states and 934 transitions. [2023-11-19 03:36:59,943 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 934 transitions. [2023-11-19 03:36:59,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 03:36:59,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:36:59,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:36:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:37:00,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.