./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 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_9e1e70ee-104d-4055-83aa-2db0ae820189/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1e70ee-104d-4055-83aa-2db0ae820189/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_9e1e70ee-104d-4055-83aa-2db0ae820189/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1e70ee-104d-4055-83aa-2db0ae820189/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array23_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1e70ee-104d-4055-83aa-2db0ae820189/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_9e1e70ee-104d-4055-83aa-2db0ae820189/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 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-2329fc7 [2022-12-15 01:19:08,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:19:08,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:19:08,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:19:08,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:19:08,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:19:08,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:19:08,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:19:08,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:19:08,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:19:08,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:19:08,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:19:08,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:19:08,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:19:08,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:19:08,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:19:08,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:19:08,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:19:08,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:19:08,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:19:08,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:19:08,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:19:08,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:19:08,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:19:08,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:19:08,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:19:08,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:19:08,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:19:08,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:19:08,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:19:08,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:19:08,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:19:08,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:19:08,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:19:08,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:19:08,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:19:08,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:19:08,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:19:08,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:19:08,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:19:08,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:19:08,940 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1e70ee-104d-4055-83aa-2db0ae820189/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 01:19:08,963 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:19:08,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:19:08,964 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:19:08,964 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:19:08,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:19:08,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:19:08,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:19:08,966 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:19:08,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:19:08,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:19:08,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:19:08,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:19:08,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:19:08,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:19:08,967 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:19:08,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:19:08,968 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:19:08,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:19:08,968 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:19:08,968 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:19:08,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:19:08,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:19:08,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:19:08,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:19:08,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:19:08,969 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:19:08,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:19:08,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:19:08,970 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_9e1e70ee-104d-4055-83aa-2db0ae820189/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1e70ee-104d-4055-83aa-2db0ae820189/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6bb9e1c9705c406859f1248122e92b7c01da6449c586b213f4fa087ea45e218 [2022-12-15 01:19:09,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:19:09,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:19:09,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:19:09,179 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:19:09,179 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:19:09,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1e70ee-104d-4055-83aa-2db0ae820189/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/array-patterns/array23_pattern.c [2022-12-15 01:19:11,800 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:19:11,966 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:19:11,966 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1e70ee-104d-4055-83aa-2db0ae820189/sv-benchmarks/c/array-patterns/array23_pattern.c [2022-12-15 01:19:11,971 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1e70ee-104d-4055-83aa-2db0ae820189/bin/ukojak-rkRKPMF4O4/data/7c3d0fab6/b6e10ac1a8d54e4ead801ae612dd3e84/FLAGf6b879549 [2022-12-15 01:19:11,981 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1e70ee-104d-4055-83aa-2db0ae820189/bin/ukojak-rkRKPMF4O4/data/7c3d0fab6/b6e10ac1a8d54e4ead801ae612dd3e84 [2022-12-15 01:19:11,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:19:11,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:19:11,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:19:11,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:19:11,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:19:11,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:19:11" (1/1) ... [2022-12-15 01:19:11,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c3aac6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:11, skipping insertion in model container [2022-12-15 01:19:11,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:19:11" (1/1) ... [2022-12-15 01:19:11,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:19:12,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:19:12,130 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_9e1e70ee-104d-4055-83aa-2db0ae820189/sv-benchmarks/c/array-patterns/array23_pattern.c[1347,1360] [2022-12-15 01:19:12,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:19:12,160 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:19:12,171 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_9e1e70ee-104d-4055-83aa-2db0ae820189/sv-benchmarks/c/array-patterns/array23_pattern.c[1347,1360] [2022-12-15 01:19:12,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:19:12,195 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:19:12,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:12 WrapperNode [2022-12-15 01:19:12,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:19:12,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:19:12,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:19:12,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:19:12,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:12" (1/1) ... [2022-12-15 01:19:12,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:12" (1/1) ... [2022-12-15 01:19:12,231 INFO L138 Inliner]: procedures = 17, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2022-12-15 01:19:12,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:19:12,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:19:12,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:19:12,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:19:12,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:12" (1/1) ... [2022-12-15 01:19:12,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:12" (1/1) ... [2022-12-15 01:19:12,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:12" (1/1) ... [2022-12-15 01:19:12,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:12" (1/1) ... [2022-12-15 01:19:12,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:12" (1/1) ... [2022-12-15 01:19:12,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:12" (1/1) ... [2022-12-15 01:19:12,254 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:12" (1/1) ... [2022-12-15 01:19:12,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:12" (1/1) ... [2022-12-15 01:19:12,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:19:12,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:19:12,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:19:12,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:19:12,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:19:12" (1/1) ... [2022-12-15 01:19:12,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:19:12,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1e70ee-104d-4055-83aa-2db0ae820189/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:19:12,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1e70ee-104d-4055-83aa-2db0ae820189/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:19:12,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1e70ee-104d-4055-83aa-2db0ae820189/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:19:12,324 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2022-12-15 01:19:12,324 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2022-12-15 01:19:12,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:19:12,324 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 01:19:12,325 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 01:19:12,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:19:12,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:19:12,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 01:19:12,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:19:12,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:19:12,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 01:19:12,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:19:12,384 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:19:12,386 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:19:12,558 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:19:12,640 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:19:12,641 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-15 01:19:12,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:19:12 BoogieIcfgContainer [2022-12-15 01:19:12,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:19:12,644 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:19:12,644 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:19:12,652 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:19:12,653 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:19:12" (1/1) ... [2022-12-15 01:19:12,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:19:12,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:19:12,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2022-12-15 01:19:12,708 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2022-12-15 01:19:12,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:19:12,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:19:12,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:19:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:19:12,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-15 01:19:12,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:19:12,821 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 01:19:12,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:19:12,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2022-12-15 01:19:12,849 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2022-12-15 01:19:12,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 01:19:12,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:19:12,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:19:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:19:12,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-15 01:19:12,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:19:12,972 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 01:19:13,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:19:13,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2022-12-15 01:19:13,042 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2022-12-15 01:19:13,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 01:19:13,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:19:13,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:19:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:19:13,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 01:19:13,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:19:13,138 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:19:13,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:19:13,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2022-12-15 01:19:13,220 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2022-12-15 01:19:13,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 01:19:13,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:19:13,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:19:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:19:13,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 01:19:13,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:19:13,320 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:19:13,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:19:13,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 85 transitions. [2022-12-15 01:19:13,613 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 85 transitions. [2022-12-15 01:19:13,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 01:19:13,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:19:13,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:19:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:19:13,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 01:19:13,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:19:13,707 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 01:19:13,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:19:13,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 64 states and 103 transitions. [2022-12-15 01:19:13,938 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 103 transitions. [2022-12-15 01:19:13,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 01:19:13,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:19:13,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:19:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:19:13,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-15 01:19:13,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:19:14,069 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:19:14,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:19:14,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 66 states and 109 transitions. [2022-12-15 01:19:14,318 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 109 transitions. [2022-12-15 01:19:14,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 01:19:14,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:19:14,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:19:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:19:14,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 01:19:14,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:19:14,396 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 01:19:14,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:19:14,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 69 states and 115 transitions. [2022-12-15 01:19:14,516 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 115 transitions. [2022-12-15 01:19:14,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 01:19:14,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:19:14,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:19:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:19:14,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-15 01:19:14,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:19:14,647 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:19:15,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:19:15,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 71 states and 120 transitions. [2022-12-15 01:19:15,050 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 120 transitions. [2022-12-15 01:19:15,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 01:19:15,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:19:15,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:19:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:19:15,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-15 01:19:15,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:19:15,188 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:19:15,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:19:15,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2022-12-15 01:19:15,616 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2022-12-15 01:19:15,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 01:19:15,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:19:15,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:19:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:19:15,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-15 01:19:15,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:19:15,792 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:19:16,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:19:16,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 62 states and 105 transitions. [2022-12-15 01:19:16,452 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 105 transitions. [2022-12-15 01:19:16,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 01:19:16,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:19:16,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:19:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:19:16,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-15 01:19:16,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:19:16,499 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:19:16,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:19:16,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 63 states and 107 transitions. [2022-12-15 01:19:16,638 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 107 transitions. [2022-12-15 01:19:16,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 01:19:16,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:19:16,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:19:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:19:16,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-15 01:19:16,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:19:16,690 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:19:16,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:19:16,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2022-12-15 01:19:16,801 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2022-12-15 01:19:16,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 01:19:16,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:19:16,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:19:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:19:16,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-15 01:19:16,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:19:16,874 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-15 01:19:17,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:19:17,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 79 states and 135 transitions. [2022-12-15 01:19:17,536 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 135 transitions. [2022-12-15 01:19:17,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 01:19:17,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:19:17,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:19:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:19:17,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-15 01:19:17,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:19:17,610 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-15 01:19:18,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:19:18,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 88 transitions. [2022-12-15 01:19:18,011 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2022-12-15 01:19:18,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 01:19:18,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:19:18,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:19:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:19:18,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-15 01:19:18,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:19:18,073 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-15 01:19:18,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:19:18,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 60 states and 97 transitions. [2022-12-15 01:19:18,761 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 97 transitions. [2022-12-15 01:19:18,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 01:19:18,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:19:18,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:19:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:19:19,373 WARN L261 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 106 conjunts are in the unsatisfiable core [2022-12-15 01:19:19,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:19:19,667 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 21 treesize of output 17 [2022-12-15 01:19:19,745 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 [2022-12-15 01:19:20,024 INFO L321 Elim1Store]: treesize reduction 50, result has 25.4 percent of original size [2022-12-15 01:19:20,025 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 [2022-12-15 01:19:20,143 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-12-15 01:19:20,143 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 [2022-12-15 01:19:32,941 INFO L321 Elim1Store]: treesize reduction 147, result has 39.0 percent of original size [2022-12-15 01:19:32,941 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 [2022-12-15 01:20:09,641 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 [2022-12-15 01:20:10,220 INFO L321 Elim1Store]: treesize reduction 701, result has 6.2 percent of original size [2022-12-15 01:20:10,220 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 [2022-12-15 01:20:10,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 01:20:10,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 01:20:10,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 01:20:10,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 01:20:10,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 01:20:10,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 01:20:10,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 01:20:10,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 01:20:10,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 01:20:10,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 01:20:10,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 01:20:10,598 INFO L321 Elim1Store]: treesize reduction 275, result has 30.7 percent of original size [2022-12-15 01:20:10,599 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 [2022-12-15 01:21:18,956 WARN L233 SmtUtils]: Spent 38.17s 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) [2022-12-15 01:21:18,957 INFO L321 Elim1Store]: treesize reduction 994, result has 17.1 percent of original size [2022-12-15 01:21:18,958 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 [2022-12-15 01:23:40,770 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 37 refuted. 1 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:27:24,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:27:24,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 78 states and 141 transitions. [2022-12-15 01:27:24,129 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 141 transitions. [2022-12-15 01:27:24,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 01:27:24,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:27:24,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:27:24,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:27:24,545 WARN L261 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 104 conjunts are in the unsatisfiable core [2022-12-15 01:27:24,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:27:24,576 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 [2022-12-15 01:27:24,658 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 [2022-12-15 01:27:25,471 INFO L321 Elim1Store]: treesize reduction 50, result has 25.4 percent of original size [2022-12-15 01:27:25,472 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 [2022-12-15 01:27:25,516 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-12-15 01:27:25,516 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 [2022-12-15 01:27:51,461 INFO L321 Elim1Store]: treesize reduction 147, result has 39.0 percent of original size [2022-12-15 01:27:51,461 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 [2022-12-15 01:28:02,698 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 [2022-12-15 01:28:03,208 INFO L321 Elim1Store]: treesize reduction 701, result has 6.2 percent of original size [2022-12-15 01:28:03,208 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 [2022-12-15 01:28:03,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 01:28:03,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 01:28:03,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 01:28:03,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 01:28:03,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 01:28:03,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 01:28:03,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 01:28:03,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 01:28:03,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-15 01:28:03,487 INFO L321 Elim1Store]: treesize reduction 205, result has 37.3 percent of original size [2022-12-15 01:28:03,488 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 [2022-12-15 01:28:39,178 WARN L233 SmtUtils]: Spent 31.96s 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) [2022-12-15 01:28:39,179 INFO L321 Elim1Store]: treesize reduction 994, result has 17.1 percent of original size [2022-12-15 01:28:39,179 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 [2022-12-15 01:30:33,440 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 37 refuted. 1 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:32:04,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-15 01:32:14,716 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (* c_~ARR_SIZE~0 4)) (.cse6 (<= c_~ARR_SIZE~0 2))) (and (or (exists ((|v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_4| Int)) (and (exists ((|v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4| Int)) (let ((.cse0 (select |c_#memory_int| |v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_4|))) (and (= (select .cse0 (+ .cse1 4 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|)) 0) (= (select .cse0 (+ 4 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|)) 0) (= (select .cse0 (+ (* (* (- 1) c_~ARR_SIZE~0 |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_4|) 4) (* |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_4| .cse1) |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|)) 1) (= (select .cse0 (+ .cse1 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|)) 0)))) (<= 0 |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_4|) (<= (* c_~ARR_SIZE~0 |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_4|) 0))) (exists ((|v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_4| Int)) (and (< 0 (* c_~ARR_SIZE~0 |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_4|)) (exists ((|v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4| Int)) (let ((.cse2 (select |c_#memory_int| |v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_4|))) (and (= (select .cse2 (+ .cse1 4 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|)) 0) (= (select .cse2 (+ 4 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|)) 0) (= 0 (select .cse2 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|)) (= (select .cse2 (+ (* (* (- 1) c_~ARR_SIZE~0 |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_4|) 4) (* |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_4| .cse1) .cse1 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|)) 1)))) (< |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_4| c_~ARR_SIZE~0))) (exists ((|v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_4| Int)) (and (exists ((|v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4| Int)) (let ((.cse3 (select |c_#memory_int| |v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_4|))) (and (= (select .cse3 (+ .cse1 4 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|)) 0) (= (select .cse3 (+ (* (* (- 1) c_~ARR_SIZE~0 |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_4|) 4) (* |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_4| .cse1) 4 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|)) 1) (= 0 (select .cse3 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|)) (= (select .cse3 (+ .cse1 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|)) 0)))) (<= (* c_~ARR_SIZE~0 |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_4|) 1) (<= 0 |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_4|))) (exists ((|v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_4| Int)) (and (< 1 (* c_~ARR_SIZE~0 |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_4|)) (exists ((|v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4| Int)) (let ((.cse4 (select |c_#memory_int| |v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_4|))) (and (= (select .cse4 (+ (* (* (- 1) c_~ARR_SIZE~0 |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_4|) 4) (* |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_4| .cse1) .cse1 4 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|)) 1) (= (select .cse4 (+ 4 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|)) 0) (= 0 (select .cse4 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|)) (= (select .cse4 (+ .cse1 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_4|)) 0)))) (< |v_ULTIMATE.start_main_~index1~0#1_BEFORE_CALL_4| c_~ARR_SIZE~0)))) (not (and (exists ((|v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_1| Int) (|v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_1| Int)) (let ((.cse5 (select |c_#memory_int| |v_ULTIMATE.start_main_~#array~0#1.base_BEFORE_CALL_1|))) (and (= (select .cse5 (+ 4 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_1|)) 0) (= (select .cse5 (+ .cse1 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_1|)) 0) (= (select .cse5 (+ .cse1 4 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_1|)) 0) (= (select .cse5 |v_ULTIMATE.start_main_~#array~0#1.offset_BEFORE_CALL_1|) 0)))) .cse6)) .cse6 (<= 2 c_~ARR_SIZE~0) (< 1 c_~ARR_SIZE~0))) is different from false