./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array23_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_38cd1e51-0082-48a3-b21a-9c8ae52517cb/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cd1e51-0082-48a3-b21a-9c8ae52517cb/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cd1e51-0082-48a3-b21a-9c8ae52517cb/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cd1e51-0082-48a3-b21a-9c8ae52517cb/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array23_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cd1e51-0082-48a3-b21a-9c8ae52517cb/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cd1e51-0082-48a3-b21a-9c8ae52517cb/bin/ukojak-jW3SillKbg --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 e6bb9e1c9705c406859f1248122e92b7c01da6449c586b213f4fa087ea45e218 --- 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-b5237d8 [2022-11-21 23:25:09,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:25:09,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:25:09,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:25:09,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:25:09,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:25:09,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:25:09,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:25:09,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:25:09,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:25:09,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:25:09,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:25:09,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:25:09,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:25:09,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:25:09,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:25:09,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:25:09,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:25:09,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:25:09,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:25:09,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:25:09,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:25:09,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:25:09,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:25:09,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:25:09,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:25:09,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:25:09,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:25:09,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:25:09,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:25:09,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:25:09,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:25:09,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:25:09,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:25:09,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:25:09,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:25:09,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:25:09,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:25:09,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:25:09,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:25:09,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:25:09,492 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cd1e51-0082-48a3-b21a-9c8ae52517cb/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-21 23:25:09,533 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:25:09,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:25:09,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:25:09,537 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:25:09,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:25:09,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:25:09,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:25:09,538 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:25:09,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:25:09,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:25:09,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:25:09,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:25:09,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:25:09,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:25:09,541 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:25:09,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:25:09,542 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:25:09,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:25:09,542 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:25:09,542 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:25:09,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:25:09,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:25:09,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:25:09,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:25:09,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:25:09,544 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:25:09,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:25:09,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:25:09,544 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_38cd1e51-0082-48a3-b21a-9c8ae52517cb/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cd1e51-0082-48a3-b21a-9c8ae52517cb/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6bb9e1c9705c406859f1248122e92b7c01da6449c586b213f4fa087ea45e218 [2022-11-21 23:25:09,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:25:09,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:25:09,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:25:09,860 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:25:09,861 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:25:09,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cd1e51-0082-48a3-b21a-9c8ae52517cb/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/array-patterns/array23_pattern.c [2022-11-21 23:25:12,879 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:25:13,084 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:25:13,085 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cd1e51-0082-48a3-b21a-9c8ae52517cb/sv-benchmarks/c/array-patterns/array23_pattern.c [2022-11-21 23:25:13,091 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cd1e51-0082-48a3-b21a-9c8ae52517cb/bin/ukojak-jW3SillKbg/data/b95172b5c/028a0ac5acec401e8fd39e5653b7dcc5/FLAG6aec32a8e [2022-11-21 23:25:13,106 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cd1e51-0082-48a3-b21a-9c8ae52517cb/bin/ukojak-jW3SillKbg/data/b95172b5c/028a0ac5acec401e8fd39e5653b7dcc5 [2022-11-21 23:25:13,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:25:13,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:25:13,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:25:13,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:25:13,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:25:13,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:25:13" (1/1) ... [2022-11-21 23:25:13,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f62860f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:13, skipping insertion in model container [2022-11-21 23:25:13,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:25:13" (1/1) ... [2022-11-21 23:25:13,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:25:13,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:25:13,284 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_38cd1e51-0082-48a3-b21a-9c8ae52517cb/sv-benchmarks/c/array-patterns/array23_pattern.c[1347,1360] [2022-11-21 23:25:13,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:25:13,319 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:25:13,331 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_38cd1e51-0082-48a3-b21a-9c8ae52517cb/sv-benchmarks/c/array-patterns/array23_pattern.c[1347,1360] [2022-11-21 23:25:13,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:25:13,358 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:25:13,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:13 WrapperNode [2022-11-21 23:25:13,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:25:13,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:25:13,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:25:13,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:25:13,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:13" (1/1) ... [2022-11-21 23:25:13,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:13" (1/1) ... [2022-11-21 23:25:13,405 INFO L138 Inliner]: procedures = 17, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2022-11-21 23:25:13,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:25:13,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:25:13,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:25:13,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:25:13,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:13" (1/1) ... [2022-11-21 23:25:13,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:13" (1/1) ... [2022-11-21 23:25:13,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:13" (1/1) ... [2022-11-21 23:25:13,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:13" (1/1) ... [2022-11-21 23:25:13,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:13" (1/1) ... [2022-11-21 23:25:13,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:13" (1/1) ... [2022-11-21 23:25:13,428 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:13" (1/1) ... [2022-11-21 23:25:13,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:13" (1/1) ... [2022-11-21 23:25:13,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:25:13,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:25:13,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:25:13,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:25:13,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:25:13" (1/1) ... [2022-11-21 23:25:13,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:25:13,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cd1e51-0082-48a3-b21a-9c8ae52517cb/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:25:13,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cd1e51-0082-48a3-b21a-9c8ae52517cb/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:25:13,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38cd1e51-0082-48a3-b21a-9c8ae52517cb/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:25:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2022-11-21 23:25:13,508 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2022-11-21 23:25:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:25:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 23:25:13,509 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 23:25:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:25:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:25:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:25:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:25:13,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:25:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:25:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:25:13,589 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:25:13,591 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:25:13,816 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:25:13,994 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:25:13,994 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-21 23:25:13,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:25:13 BoogieIcfgContainer [2022-11-21 23:25:13,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:25:13,998 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:25:13,998 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:25:14,025 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:25:14,026 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:25:13" (1/1) ... [2022-11-21 23:25:14,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:25:14,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:25:14,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2022-11-21 23:25:14,120 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2022-11-21 23:25:14,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:25:14,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:25:14,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:25:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:25:14,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-21 23:25:14,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:25:14,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:25:14,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:25:14,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2022-11-21 23:25:14,350 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2022-11-21 23:25:14,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 23:25:14,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:25:14,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:25:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:25:14,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:25:14,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:25:14,556 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-21 23:25:14,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:25:14,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2022-11-21 23:25:14,672 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2022-11-21 23:25:14,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 23:25:14,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:25:14,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:25:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:25:14,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:25:14,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:25:14,796 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:25:14,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:25:14,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2022-11-21 23:25:14,910 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2022-11-21 23:25:14,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 23:25:14,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:25:14,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:25:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:25:14,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:25:14,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:25:15,085 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:25:15,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:25:15,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 85 transitions. [2022-11-21 23:25:15,545 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 85 transitions. [2022-11-21 23:25:15,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 23:25:15,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:25:15,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:25:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:25:15,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:25:15,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:25:15,745 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:25:16,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:25:16,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 64 states and 103 transitions. [2022-11-21 23:25:16,101 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 103 transitions. [2022-11-21 23:25:16,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:25:16,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:25:16,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:25:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:25:16,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:25:16,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:25:16,236 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 23:25:16,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:25:16,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 67 states and 109 transitions. [2022-11-21 23:25:16,436 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 109 transitions. [2022-11-21 23:25:16,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:25:16,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:25:16,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:25:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:25:16,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:25:16,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:25:16,611 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:25:17,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:25:17,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 69 states and 115 transitions. [2022-11-21 23:25:17,022 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 115 transitions. [2022-11-21 23:25:17,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 23:25:17,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:25:17,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:25:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:25:17,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 23:25:17,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:25:17,245 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:25:17,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:25:17,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 71 states and 120 transitions. [2022-11-21 23:25:17,889 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 120 transitions. [2022-11-21 23:25:17,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 23:25:17,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:25:17,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:25:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:25:17,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:25:17,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:25:18,104 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:25:18,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:25:18,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2022-11-21 23:25:18,844 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2022-11-21 23:25:18,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 23:25:18,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:25:18,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:25:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:25:18,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:25:18,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:25:19,159 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:25:20,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:25:20,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 62 states and 106 transitions. [2022-11-21 23:25:20,241 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 106 transitions. [2022-11-21 23:25:20,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 23:25:20,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:25:20,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:25:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:25:20,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:25:20,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:25:20,330 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:25:20,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:25:20,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 63 states and 107 transitions. [2022-11-21 23:25:20,553 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 107 transitions. [2022-11-21 23:25:20,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 23:25:20,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:25:20,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:25:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:25:20,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:25:20,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:25:20,644 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:25:20,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:25:20,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2022-11-21 23:25:20,837 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2022-11-21 23:25:20,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 23:25:20,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:25:20,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:25:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:25:20,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:25:20,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:25:20,960 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-21 23:25:22,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:25:22,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 56 states and 91 transitions. [2022-11-21 23:25:22,119 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 91 transitions. [2022-11-21 23:25:22,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 23:25:22,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:25:22,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:25:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:25:22,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:25:22,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:25:22,228 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-21 23:25:22,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:25:22,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 88 transitions. [2022-11-21 23:25:22,742 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2022-11-21 23:25:22,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 23:25:22,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:25:22,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:25:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:25:22,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:25:22,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:25:22,897 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-21 23:25:23,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:25:23,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 59 states and 96 transitions. [2022-11-21 23:25:23,763 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 96 transitions. [2022-11-21 23:25:23,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 23:25:23,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:25:23,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:25:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:25:23,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:25:23,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:25:23,877 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-21 23:25:24,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:25:24,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 60 states and 97 transitions. [2022-11-21 23:25:24,146 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 97 transitions. [2022-11-21 23:25:24,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-21 23:25:24,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:25:24,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:25:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:25:24,470 WARN L261 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 106 conjunts are in the unsatisfiable core [2022-11-21 23:25:24,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:25:25,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-11-21 23:25:25,173 INFO L321 Elim1Store]: treesize reduction 27, result has 32.5 percent of original size [2022-11-21 23:25:25,174 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 1 case distinctions, treesize of input 35 treesize of output 34 [2022-11-21 23:25:25,650 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-11-21 23:25:25,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 40 [2022-11-21 23:25:25,862 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-11-21 23:25:25,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 49 [2022-11-21 23:25:57,373 INFO L321 Elim1Store]: treesize reduction 147, result has 39.0 percent of original size [2022-11-21 23:25:57,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 124 [2022-11-21 23:26:36,503 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 190 treesize of output 175 [2022-11-21 23:26:37,278 INFO L321 Elim1Store]: treesize reduction 701, result has 6.2 percent of original size [2022-11-21 23:26:37,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 174 treesize of output 278 [2022-11-21 23:26:37,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:26:37,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:26:37,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:26:37,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:26:37,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:26:37,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:26:37,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:26:37,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:26:37,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:26:37,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:26:37,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:26:37,740 INFO L321 Elim1Store]: treesize reduction 275, result has 30.7 percent of original size [2022-11-21 23:26:37,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 212 treesize of output 212 [2022-11-21 23:28:01,790 WARN L233 SmtUtils]: Spent 36.14s on a formula simplification. DAG size of input: 230 DAG size of output: 86 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-21 23:28:01,792 INFO L321 Elim1Store]: treesize reduction 994, result has 17.1 percent of original size [2022-11-21 23:28:01,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 404 treesize of output 324 [2022-11-21 23:30:30,848 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 37 refuted. 1 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:33:02,438 WARN L233 SmtUtils]: Spent 11.16s on a formula simplification. DAG size of input: 81 DAG size of output: 80 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 23:35:22,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:35:22,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 77 states and 140 transitions. [2022-11-21 23:35:22,085 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 140 transitions. [2022-11-21 23:35:22,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-21 23:35:22,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:35:22,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:35:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:35:22,559 WARN L261 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 106 conjunts are in the unsatisfiable core [2022-11-21 23:35:22,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:35:22,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-11-21 23:35:22,652 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 32 treesize of output 31 [2022-11-21 23:35:23,222 INFO L321 Elim1Store]: treesize reduction 50, result has 25.4 percent of original size [2022-11-21 23:35:23,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 36 [2022-11-21 23:35:23,401 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-11-21 23:35:23,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 49 [2022-11-21 23:35:42,358 INFO L321 Elim1Store]: treesize reduction 147, result has 39.0 percent of original size [2022-11-21 23:35:42,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 124 [2022-11-21 23:35:44,287 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 190 treesize of output 175 [2022-11-21 23:35:44,987 INFO L321 Elim1Store]: treesize reduction 701, result has 6.2 percent of original size [2022-11-21 23:35:44,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 174 treesize of output 278 [2022-11-21 23:35:45,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:35:45,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:35:45,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:35:45,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:35:45,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:35:45,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:35:45,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:35:45,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:35:45,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:35:45,373 INFO L321 Elim1Store]: treesize reduction 205, result has 37.3 percent of original size [2022-11-21 23:35:45,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 198 treesize of output 193 [2022-11-21 23:36:37,650 WARN L233 SmtUtils]: Spent 37.31s on a formula simplification. DAG size of input: 230 DAG size of output: 86 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-21 23:36:37,651 INFO L321 Elim1Store]: treesize reduction 994, result has 17.1 percent of original size [2022-11-21 23:36:37,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 404 treesize of output 324 [2022-11-21 23:38:39,103 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 37 refuted. 1 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:38:48,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0]