./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/pnr3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_c19e9fba-39a0-4c30-a13d-99487da6b6f2/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19e9fba-39a0-4c30-a13d-99487da6b6f2/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_c19e9fba-39a0-4c30-a13d-99487da6b6f2/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19e9fba-39a0-4c30-a13d-99487da6b6f2/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/pnr3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19e9fba-39a0-4c30-a13d-99487da6b6f2/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_c19e9fba-39a0-4c30-a13d-99487da6b6f2/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 e32269e91be552d606173d0b8eafd4ffa81c0e735dd375e4417d1ccfc27eaf5e --- 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 [2022-12-15 02:19:15,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:19:15,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:19:15,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:19:15,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:19:15,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:19:15,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:19:15,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:19:15,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:19:15,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:19:15,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:19:15,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:19:15,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:19:15,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:19:15,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:19:15,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:19:15,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:19:15,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:19:15,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:19:15,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:19:15,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:19:15,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:19:15,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:19:15,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:19:15,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:19:15,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:19:15,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:19:15,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:19:15,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:19:15,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:19:15,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:19:15,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:19:15,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:19:15,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:19:15,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:19:15,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:19:15,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:19:15,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:19:15,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:19:15,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:19:15,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:19:15,488 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19e9fba-39a0-4c30-a13d-99487da6b6f2/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 02:19:15,503 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:19:15,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:19:15,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:19:15,504 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:19:15,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:19:15,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:19:15,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:19:15,505 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:19:15,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:19:15,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:19:15,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:19:15,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:19:15,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:19:15,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:19:15,506 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:19:15,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:19:15,506 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:19:15,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:19:15,506 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:19:15,507 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:19:15,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:19:15,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:19:15,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:19:15,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:19:15,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:19:15,508 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:19:15,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:19:15,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:19:15,508 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_c19e9fba-39a0-4c30-a13d-99487da6b6f2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19e9fba-39a0-4c30-a13d-99487da6b6f2/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e32269e91be552d606173d0b8eafd4ffa81c0e735dd375e4417d1ccfc27eaf5e [2022-12-15 02:19:15,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:19:15,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:19:15,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:19:15,695 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:19:15,695 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:19:15,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19e9fba-39a0-4c30-a13d-99487da6b6f2/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/array-tiling/pnr3.c [2022-12-15 02:19:18,388 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:19:18,531 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:19:18,532 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19e9fba-39a0-4c30-a13d-99487da6b6f2/sv-benchmarks/c/array-tiling/pnr3.c [2022-12-15 02:19:18,536 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19e9fba-39a0-4c30-a13d-99487da6b6f2/bin/ukojak-rkRKPMF4O4/data/e66502929/2c3dc5b6bc104bcfbd9b0b6f3e87671a/FLAGbe6a3787e [2022-12-15 02:19:18,546 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19e9fba-39a0-4c30-a13d-99487da6b6f2/bin/ukojak-rkRKPMF4O4/data/e66502929/2c3dc5b6bc104bcfbd9b0b6f3e87671a [2022-12-15 02:19:18,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:19:18,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:19:18,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:19:18,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:19:18,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:19:18,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:19:18" (1/1) ... [2022-12-15 02:19:18,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f1bea11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:19:18, skipping insertion in model container [2022-12-15 02:19:18,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:19:18" (1/1) ... [2022-12-15 02:19:18,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:19:18,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:19:18,681 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_c19e9fba-39a0-4c30-a13d-99487da6b6f2/sv-benchmarks/c/array-tiling/pnr3.c[395,408] [2022-12-15 02:19:18,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:19:18,703 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:19:18,712 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_c19e9fba-39a0-4c30-a13d-99487da6b6f2/sv-benchmarks/c/array-tiling/pnr3.c[395,408] [2022-12-15 02:19:18,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:19:18,727 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:19:18,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:19:18 WrapperNode [2022-12-15 02:19:18,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:19:18,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:19:18,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:19:18,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:19:18,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:19:18" (1/1) ... [2022-12-15 02:19:18,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:19:18" (1/1) ... [2022-12-15 02:19:18,754 INFO L138 Inliner]: procedures = 17, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84 [2022-12-15 02:19:18,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:19:18,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:19:18,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:19:18,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:19:18,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:19:18" (1/1) ... [2022-12-15 02:19:18,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:19:18" (1/1) ... [2022-12-15 02:19:18,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:19:18" (1/1) ... [2022-12-15 02:19:18,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:19:18" (1/1) ... [2022-12-15 02:19:18,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:19:18" (1/1) ... [2022-12-15 02:19:18,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:19:18" (1/1) ... [2022-12-15 02:19:18,770 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:19:18" (1/1) ... [2022-12-15 02:19:18,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:19:18" (1/1) ... [2022-12-15 02:19:18,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:19:18,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:19:18,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:19:18,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:19:18,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:19:18" (1/1) ... [2022-12-15 02:19:18,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:19:18,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19e9fba-39a0-4c30-a13d-99487da6b6f2/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:19:18,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19e9fba-39a0-4c30-a13d-99487da6b6f2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:19:18,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c19e9fba-39a0-4c30-a13d-99487da6b6f2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:19:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:19:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:19:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 02:19:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-15 02:19:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure ReadFromPort [2022-12-15 02:19:18,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadFromPort [2022-12-15 02:19:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:19:18,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:19:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 02:19:18,882 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:19:18,883 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:19:19,007 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:19:19,046 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:19:19,046 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 02:19:19,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:19:19 BoogieIcfgContainer [2022-12-15 02:19:19,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:19:19,048 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:19:19,048 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:19:19,056 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:19:19,056 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:19:19" (1/1) ... [2022-12-15 02:19:19,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:19:19,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:19:19,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2022-12-15 02:19:19,104 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2022-12-15 02:19:19,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 02:19:19,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:19:19,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:19:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:19:19,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:19:19,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:19:19,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2022-12-15 02:19:19,494 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2022-12-15 02:19:19,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 02:19:19,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:19:19,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:19:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:19:20,135 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:19:20,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:19:20,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2022-12-15 02:19:20,597 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2022-12-15 02:19:20,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 02:19:20,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:19:20,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:19:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:19:20,958 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:19:21,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:19:21,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2022-12-15 02:19:21,767 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2022-12-15 02:19:21,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 02:19:21,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:19:21,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:19:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:19:22,154 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:19:23,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:19:23,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2022-12-15 02:19:23,690 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2022-12-15 02:19:23,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 02:19:23,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:19:23,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:19:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:19:24,169 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:19:27,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:19:27,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 67 states and 126 transitions. [2022-12-15 02:19:27,917 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 126 transitions. [2022-12-15 02:19:27,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 02:19:27,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:19:27,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:19:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:19:28,053 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:19:28,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:19:28,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 68 states and 129 transitions. [2022-12-15 02:19:28,295 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 129 transitions. [2022-12-15 02:19:28,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 02:19:28,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:19:28,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:19:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:19:28,427 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:19:28,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:19:28,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 69 states and 131 transitions. [2022-12-15 02:19:28,758 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 131 transitions. [2022-12-15 02:19:28,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 02:19:28,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:19:28,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:19:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:02,293 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 02:20:02,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:02,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 76 states and 146 transitions. [2022-12-15 02:20:02,987 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 146 transitions. [2022-12-15 02:20:02,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 02:20:02,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:02,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:03,213 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:20:03,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:03,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 77 states and 147 transitions. [2022-12-15 02:20:03,995 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 147 transitions. [2022-12-15 02:20:03,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 02:20:03,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:03,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:05,245 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 02:20:07,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:07,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 88 states and 167 transitions. [2022-12-15 02:20:07,194 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 167 transitions. [2022-12-15 02:20:07,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 02:20:07,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:07,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:07,949 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 02:20:09,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:09,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 95 states and 180 transitions. [2022-12-15 02:20:09,037 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 180 transitions. [2022-12-15 02:20:09,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 02:20:09,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:09,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:20:10,079 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 02:20:13,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:20:13,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 110 states and 212 transitions. [2022-12-15 02:20:13,975 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 212 transitions. [2022-12-15 02:20:13,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-15 02:20:13,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:20:13,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:20:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat