./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_183eac4f-208f-4280-83de-b221d0d0b02c/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183eac4f-208f-4280-83de-b221d0d0b02c/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183eac4f-208f-4280-83de-b221d0d0b02c/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183eac4f-208f-4280-83de-b221d0d0b02c/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183eac4f-208f-4280-83de-b221d0d0b02c/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183eac4f-208f-4280-83de-b221d0d0b02c/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 b4e7977192ae56aeb09dc050b873d7b40c1e47d710f31b358c00a46d3bffe743 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 23:02:45,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:02:45,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:02:45,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:02:45,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:02:45,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:02:45,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:02:45,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:02:45,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:02:45,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:02:45,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:02:45,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:02:45,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:02:45,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:02:45,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:02:45,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:02:45,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:02:45,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:02:45,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:02:45,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:02:45,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:02:45,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:02:45,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:02:45,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:02:45,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:02:45,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:02:45,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:02:45,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:02:45,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:02:45,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:02:45,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:02:45,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:02:45,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:02:45,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:02:45,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:02:45,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:02:45,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:02:45,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:02:45,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:02:45,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:02:45,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:02:45,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183eac4f-208f-4280-83de-b221d0d0b02c/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 23:02:45,427 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:02:45,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:02:45,428 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:02:45,428 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:02:45,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:02:45,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:02:45,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:02:45,429 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:02:45,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:02:45,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:02:45,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:02:45,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:02:45,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:02:45,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:02:45,433 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:02:45,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:02:45,433 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:02:45,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:02:45,434 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:02:45,434 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:02:45,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:02:45,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:02:45,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:02:45,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:02:45,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:02:45,435 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:02:45,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:02:45,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:02:45,436 INFO L138 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_183eac4f-208f-4280-83de-b221d0d0b02c/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183eac4f-208f-4280-83de-b221d0d0b02c/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4e7977192ae56aeb09dc050b873d7b40c1e47d710f31b358c00a46d3bffe743 [2022-12-14 23:02:45,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:02:45,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:02:45,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:02:45,656 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:02:45,657 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:02:45,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183eac4f-208f-4280-83de-b221d0d0b02c/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.pals.c [2022-12-14 23:02:48,182 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:02:48,361 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:02:48,361 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183eac4f-208f-4280-83de-b221d0d0b02c/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.pals.c [2022-12-14 23:02:48,370 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183eac4f-208f-4280-83de-b221d0d0b02c/bin/ukojak-rkRKPMF4O4/data/abdd4e3a4/be45af913e78488c93abb0f5ec7497d6/FLAGa8bdd1c80 [2022-12-14 23:02:48,749 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183eac4f-208f-4280-83de-b221d0d0b02c/bin/ukojak-rkRKPMF4O4/data/abdd4e3a4/be45af913e78488c93abb0f5ec7497d6 [2022-12-14 23:02:48,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:02:48,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:02:48,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:02:48,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:02:48,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:02:48,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:02:48" (1/1) ... [2022-12-14 23:02:48,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@464b5c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:48, skipping insertion in model container [2022-12-14 23:02:48,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:02:48" (1/1) ... [2022-12-14 23:02:48,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:02:48,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:02:48,966 WARN L237 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_183eac4f-208f-4280-83de-b221d0d0b02c/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.pals.c[15112,15125] [2022-12-14 23:02:48,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:02:48,980 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:02:49,024 WARN L237 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_183eac4f-208f-4280-83de-b221d0d0b02c/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.pals.c[15112,15125] [2022-12-14 23:02:49,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:02:49,036 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:02:49,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:49 WrapperNode [2022-12-14 23:02:49,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:02:49,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:02:49,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:02:49,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:02:49,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:49" (1/1) ... [2022-12-14 23:02:49,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:49" (1/1) ... [2022-12-14 23:02:49,068 INFO L138 Inliner]: procedures = 25, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 369 [2022-12-14 23:02:49,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:02:49,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:02:49,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:02:49,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:02:49,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:49" (1/1) ... [2022-12-14 23:02:49,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:49" (1/1) ... [2022-12-14 23:02:49,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:49" (1/1) ... [2022-12-14 23:02:49,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:49" (1/1) ... [2022-12-14 23:02:49,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:49" (1/1) ... [2022-12-14 23:02:49,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:49" (1/1) ... [2022-12-14 23:02:49,088 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:49" (1/1) ... [2022-12-14 23:02:49,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:49" (1/1) ... [2022-12-14 23:02:49,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:02:49,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:02:49,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:02:49,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:02:49,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:02:49" (1/1) ... [2022-12-14 23:02:49,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:02:49,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183eac4f-208f-4280-83de-b221d0d0b02c/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:02:49,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183eac4f-208f-4280-83de-b221d0d0b02c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:02:49,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_183eac4f-208f-4280-83de-b221d0d0b02c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:02:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:02:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:02:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:02:49,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:02:49,212 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:02:49,213 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:02:49,576 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:02:50,003 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:02:50,003 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 23:02:50,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:02:50 BoogieIcfgContainer [2022-12-14 23:02:50,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:02:50,007 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:02:50,007 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:02:50,016 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:02:50,016 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:02:50" (1/1) ... [2022-12-14 23:02:50,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:02:50,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:50,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-12-14 23:02:50,074 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-12-14 23:02:50,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 23:02:50,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:50,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:51,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:02:51,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:51,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2022-12-14 23:02:51,274 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2022-12-14 23:02:51,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 23:02:51,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:51,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:51,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:02:51,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:51,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 17 states and 28 transitions. [2022-12-14 23:02:51,773 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 28 transitions. [2022-12-14 23:02:51,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 23:02:51,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:51,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:52,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:02:52,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:52,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 21 states and 36 transitions. [2022-12-14 23:02:52,858 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 36 transitions. [2022-12-14 23:02:52,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 23:02:52,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:52,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:53,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:02:53,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:02:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2022-12-14 23:02:53,189 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2022-12-14 23:02:53,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 23:02:53,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:02:53,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:02:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:02:58,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:03:03,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:03:03,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 63 transitions. [2022-12-14 23:03:03,769 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2022-12-14 23:03:03,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:03:03,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:03:03,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:03:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:03:04,342 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:03:10,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:03:10,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 44 states and 82 transitions. [2022-12-14 23:03:10,486 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 82 transitions. [2022-12-14 23:03:10,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:03:10,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:03:10,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:03:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:03:14,930 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:03:23,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:03:23,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 53 states and 100 transitions. [2022-12-14 23:03:23,290 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 100 transitions. [2022-12-14 23:03:23,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 23:03:23,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:03:23,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:03:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:03:25,043 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:03:34,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:03:34,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 69 states and 134 transitions. [2022-12-14 23:03:34,896 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 134 transitions. [2022-12-14 23:03:34,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:03:34,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:03:34,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:03:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:03:36,630 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:03:45,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:03:45,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 79 states and 158 transitions. [2022-12-14 23:03:45,211 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 158 transitions. [2022-12-14 23:03:45,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:03:45,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:03:45,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:03:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:03:47,121 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:03:56,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:03:56,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 90 states and 185 transitions. [2022-12-14 23:03:56,902 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 185 transitions. [2022-12-14 23:03:56,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:03:56,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:03:56,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:03:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:03:59,013 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:04:03,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:04:03,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 98 states and 210 transitions. [2022-12-14 23:04:03,693 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 210 transitions. [2022-12-14 23:04:03,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:04:03,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:04:03,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:04:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:04:05,646 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:04:08,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:04:08,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 101 states and 224 transitions. [2022-12-14 23:04:08,732 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 224 transitions. [2022-12-14 23:04:08,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:04:08,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:04:08,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:04:08,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:04:10,170 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:04:16,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:04:16,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 106 states and 245 transitions. [2022-12-14 23:04:16,596 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 245 transitions. [2022-12-14 23:04:16,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:04:16,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:04:16,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:04:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:05:04,252 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:06:34,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:06:34,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 131 states and 325 transitions. [2022-12-14 23:06:34,507 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 325 transitions. [2022-12-14 23:06:34,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:06:34,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:06:34,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:06:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:07:11,006 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:09:31,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:09:31,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 156 states and 416 transitions. [2022-12-14 23:09:31,263 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 416 transitions. [2022-12-14 23:09:31,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:09:31,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:09:31,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:09:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:10:50,143 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:11:46,297 WARN L233 SmtUtils]: Spent 6.92s on a formula simplification. DAG size of input: 606 DAG size of output: 511 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:11:55,238 WARN L233 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 608 DAG size of output: 504 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:12:13,891 WARN L233 SmtUtils]: Spent 6.47s on a formula simplification. DAG size of input: 607 DAG size of output: 512 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:12:20,450 WARN L233 SmtUtils]: Spent 5.81s on a formula simplification. DAG size of input: 609 DAG size of output: 505 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:12:44,219 WARN L233 SmtUtils]: Spent 7.39s on a formula simplification. DAG size of input: 611 DAG size of output: 512 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:12:52,128 WARN L233 SmtUtils]: Spent 7.15s on a formula simplification. DAG size of input: 613 DAG size of output: 506 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:13:11,278 WARN L233 SmtUtils]: Spent 7.52s on a formula simplification. DAG size of input: 613 DAG size of output: 514 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:13:19,552 WARN L233 SmtUtils]: Spent 7.44s on a formula simplification. DAG size of input: 615 DAG size of output: 508 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:13:40,362 WARN L233 SmtUtils]: Spent 6.94s on a formula simplification. DAG size of input: 577 DAG size of output: 523 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:13:50,033 WARN L233 SmtUtils]: Spent 8.87s on a formula simplification. DAG size of input: 579 DAG size of output: 526 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:15:01,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:15:01,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 181 states and 517 transitions. [2022-12-14 23:15:01,617 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 517 transitions. [2022-12-14 23:15:01,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 23:15:01,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:15:01,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:15:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat