./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array20_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_8fb161e3-2ff8-4785-9842-310dc69981eb/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb161e3-2ff8-4785-9842-310dc69981eb/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb161e3-2ff8-4785-9842-310dc69981eb/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb161e3-2ff8-4785-9842-310dc69981eb/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array20_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb161e3-2ff8-4785-9842-310dc69981eb/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb161e3-2ff8-4785-9842-310dc69981eb/bin/ukojak-CydTVMUXoH --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 4595fcce7ed27c87f4b36557925b67d85fd0fff83d482c199564b06ae0d3b884 --- 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-e04fb08 [2022-11-16 08:39:23,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 08:39:23,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 08:39:23,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 08:39:23,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 08:39:23,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 08:39:23,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 08:39:23,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 08:39:23,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 08:39:23,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 08:39:23,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 08:39:23,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 08:39:23,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 08:39:23,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 08:39:23,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 08:39:23,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 08:39:23,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 08:39:23,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 08:39:23,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 08:39:23,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 08:39:23,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 08:39:23,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 08:39:23,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 08:39:23,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 08:39:23,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 08:39:23,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 08:39:23,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 08:39:23,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 08:39:23,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 08:39:23,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 08:39:23,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 08:39:23,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 08:39:23,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 08:39:23,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 08:39:23,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 08:39:23,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 08:39:23,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 08:39:23,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 08:39:23,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 08:39:23,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 08:39:23,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 08:39:23,493 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb161e3-2ff8-4785-9842-310dc69981eb/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-16 08:39:23,531 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 08:39:23,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 08:39:23,535 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 08:39:23,536 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 08:39:23,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 08:39:23,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 08:39:23,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 08:39:23,538 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 08:39:23,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 08:39:23,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 08:39:23,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 08:39:23,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 08:39:23,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 08:39:23,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 08:39:23,541 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 08:39:23,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 08:39:23,541 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 08:39:23,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 08:39:23,542 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 08:39:23,542 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 08:39:23,542 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 08:39:23,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:39:23,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 08:39:23,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 08:39:23,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 08:39:23,544 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 08:39:23,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 08:39:23,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 08:39:23,545 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_8fb161e3-2ff8-4785-9842-310dc69981eb/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb161e3-2ff8-4785-9842-310dc69981eb/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4595fcce7ed27c87f4b36557925b67d85fd0fff83d482c199564b06ae0d3b884 [2022-11-16 08:39:23,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 08:39:23,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 08:39:23,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 08:39:23,923 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 08:39:23,924 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 08:39:23,925 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb161e3-2ff8-4785-9842-310dc69981eb/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/array-patterns/array20_pattern.c [2022-11-16 08:39:24,007 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb161e3-2ff8-4785-9842-310dc69981eb/bin/ukojak-CydTVMUXoH/data/5a4308482/90542c3d2e7041febed87a3e160274c5/FLAG89957f4d3 [2022-11-16 08:39:24,518 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 08:39:24,519 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb161e3-2ff8-4785-9842-310dc69981eb/sv-benchmarks/c/array-patterns/array20_pattern.c [2022-11-16 08:39:24,525 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb161e3-2ff8-4785-9842-310dc69981eb/bin/ukojak-CydTVMUXoH/data/5a4308482/90542c3d2e7041febed87a3e160274c5/FLAG89957f4d3 [2022-11-16 08:39:24,892 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb161e3-2ff8-4785-9842-310dc69981eb/bin/ukojak-CydTVMUXoH/data/5a4308482/90542c3d2e7041febed87a3e160274c5 [2022-11-16 08:39:24,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 08:39:24,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 08:39:24,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 08:39:24,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 08:39:24,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 08:39:24,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:39:24" (1/1) ... [2022-11-16 08:39:24,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5561cc38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:24, skipping insertion in model container [2022-11-16 08:39:24,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:39:24" (1/1) ... [2022-11-16 08:39:24,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 08:39:24,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 08:39:25,139 WARN L229 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_8fb161e3-2ff8-4785-9842-310dc69981eb/sv-benchmarks/c/array-patterns/array20_pattern.c[1444,1457] [2022-11-16 08:39:25,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:39:25,170 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 08:39:25,182 WARN L229 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_8fb161e3-2ff8-4785-9842-310dc69981eb/sv-benchmarks/c/array-patterns/array20_pattern.c[1444,1457] [2022-11-16 08:39:25,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:39:25,218 INFO L208 MainTranslator]: Completed translation [2022-11-16 08:39:25,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:25 WrapperNode [2022-11-16 08:39:25,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 08:39:25,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 08:39:25,221 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 08:39:25,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 08:39:25,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:25" (1/1) ... [2022-11-16 08:39:25,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:25" (1/1) ... [2022-11-16 08:39:25,286 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2022-11-16 08:39:25,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 08:39:25,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 08:39:25,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 08:39:25,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 08:39:25,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:25" (1/1) ... [2022-11-16 08:39:25,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:25" (1/1) ... [2022-11-16 08:39:25,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:25" (1/1) ... [2022-11-16 08:39:25,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:25" (1/1) ... [2022-11-16 08:39:25,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:25" (1/1) ... [2022-11-16 08:39:25,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:25" (1/1) ... [2022-11-16 08:39:25,322 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:25" (1/1) ... [2022-11-16 08:39:25,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:25" (1/1) ... [2022-11-16 08:39:25,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 08:39:25,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 08:39:25,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 08:39:25,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 08:39:25,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:25" (1/1) ... [2022-11-16 08:39:25,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:39:25,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb161e3-2ff8-4785-9842-310dc69981eb/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 08:39:25,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb161e3-2ff8-4785-9842-310dc69981eb/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 08:39:25,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fb161e3-2ff8-4785-9842-310dc69981eb/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 08:39:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 08:39:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 08:39:25,426 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 08:39:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 08:39:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 08:39:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 08:39:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 08:39:25,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 08:39:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 08:39:25,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 08:39:25,507 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 08:39:25,509 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 08:39:25,798 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 08:39:25,914 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 08:39:25,914 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-16 08:39:25,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:39:25 BoogieIcfgContainer [2022-11-16 08:39:25,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 08:39:25,918 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 08:39:25,918 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 08:39:25,929 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 08:39:25,929 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:39:25" (1/1) ... [2022-11-16 08:39:25,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 08:39:25,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:39:26,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2022-11-16 08:39:26,018 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-11-16 08:39:26,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 08:39:26,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:39:26,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:39:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:39:26,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-16 08:39:26,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:39:26,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:39:26,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:39:26,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2022-11-16 08:39:26,314 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2022-11-16 08:39:26,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 08:39:26,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:39:26,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:39:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:39:26,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 08:39:26,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:39:26,496 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 08:39:26,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:39:26,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2022-11-16 08:39:26,603 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2022-11-16 08:39:26,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-16 08:39:26,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:39:26,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:39:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:39:26,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 08:39:26,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:39:26,731 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 08:39:27,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:39:27,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2022-11-16 08:39:27,098 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2022-11-16 08:39:27,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-16 08:39:27,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:39:27,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:39:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:39:27,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 08:39:27,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:39:27,224 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 08:39:27,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:39:27,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2022-11-16 08:39:27,413 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2022-11-16 08:39:27,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 08:39:27,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:39:27,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:39:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:39:27,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 08:39:27,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:39:27,527 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 08:39:27,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:39:27,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2022-11-16 08:39:27,933 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2022-11-16 08:39:27,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 08:39:27,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:39:27,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:39:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:39:28,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 08:39:28,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:39:28,106 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 08:39:28,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:39:28,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 49 states and 86 transitions. [2022-11-16 08:39:28,140 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2022-11-16 08:39:28,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 08:39:28,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:39:28,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:39:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:39:28,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 08:39:28,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:39:28,305 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 08:39:28,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:39:28,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2022-11-16 08:39:28,507 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2022-11-16 08:39:28,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 08:39:28,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:39:28,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:39:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:39:28,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 08:39:28,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:39:28,707 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 08:39:29,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:39:29,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2022-11-16 08:39:29,094 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2022-11-16 08:39:29,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 08:39:29,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:39:29,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:39:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:39:29,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 08:39:29,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:39:29,346 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 08:39:29,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:39:29,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 55 states and 99 transitions. [2022-11-16 08:39:29,987 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2022-11-16 08:39:29,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 08:39:29,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:39:29,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:39:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:39:30,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 45 conjunts are in the unsatisfiable core [2022-11-16 08:39:30,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:39:31,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2108 treesize of output 2043 [2022-11-16 08:54:39,404 WARN L233 SmtUtils]: Spent 15.12m on a formula simplification. DAG size of input: 1018 DAG size of output: 90 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 08:54:39,406 INFO L321 Elim1Store]: treesize reduction 20897, result has 2.0 percent of original size [2022-11-16 08:54:39,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 16 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 24 new quantified variables, introduced 156 case distinctions, treesize of input 2990 treesize of output 24685 [2022-11-16 08:54:44,986 WARN L233 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 7 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-16 08:54:50,795 WARN L233 SmtUtils]: Spent 5.80s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-16 08:54:52,933 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 08:54:52,942 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6072