./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array30_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130f1907-e311-4259-a531-f3f8fc64bfe0/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130f1907-e311-4259-a531-f3f8fc64bfe0/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_130f1907-e311-4259-a531-f3f8fc64bfe0/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130f1907-e311-4259-a531-f3f8fc64bfe0/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array30_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130f1907-e311-4259-a531-f3f8fc64bfe0/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_130f1907-e311-4259-a531-f3f8fc64bfe0/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 bf9fb5599b361d63a40d668c035ff2f49b2f61ec342dc99fdd2f9d975d29190c --- 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 01:13:47,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:13:47,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:13:47,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:13:47,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:13:47,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:13:47,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:13:47,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:13:47,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:13:47,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:13:47,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:13:47,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:13:47,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:13:47,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:13:47,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:13:47,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:13:47,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:13:47,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:13:47,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:13:47,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:13:47,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:13:47,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:13:47,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:13:47,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:13:47,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:13:47,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:13:47,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:13:47,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:13:47,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:13:47,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:13:47,924 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:13:47,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:13:47,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:13:47,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:13:47,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:13:47,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:13:47,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:13:47,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:13:47,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:13:47,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:13:47,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:13:47,929 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130f1907-e311-4259-a531-f3f8fc64bfe0/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 01:13:47,944 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:13:47,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:13:47,945 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:13:47,945 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:13:47,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:13:47,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:13:47,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:13:47,946 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:13:47,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:13:47,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:13:47,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:13:47,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:13:47,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:13:47,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:13:47,946 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:13:47,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:13:47,947 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:13:47,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:13:47,947 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:13:47,947 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:13:47,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:13:47,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:13:47,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:13:47,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:13:47,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:13:47,948 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:13:47,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:13:47,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:13:47,948 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_130f1907-e311-4259-a531-f3f8fc64bfe0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130f1907-e311-4259-a531-f3f8fc64bfe0/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf9fb5599b361d63a40d668c035ff2f49b2f61ec342dc99fdd2f9d975d29190c [2022-12-15 01:13:48,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:13:48,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:13:48,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:13:48,138 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:13:48,138 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:13:48,139 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130f1907-e311-4259-a531-f3f8fc64bfe0/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/array-patterns/array30_pattern.c [2022-12-15 01:13:50,649 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:13:50,811 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:13:50,811 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130f1907-e311-4259-a531-f3f8fc64bfe0/sv-benchmarks/c/array-patterns/array30_pattern.c [2022-12-15 01:13:50,816 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130f1907-e311-4259-a531-f3f8fc64bfe0/bin/ukojak-rkRKPMF4O4/data/61759348e/1783e87f71d74acf92ee92532ec67cef/FLAG1746f85ee [2022-12-15 01:13:51,213 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130f1907-e311-4259-a531-f3f8fc64bfe0/bin/ukojak-rkRKPMF4O4/data/61759348e/1783e87f71d74acf92ee92532ec67cef [2022-12-15 01:13:51,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:13:51,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:13:51,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:13:51,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:13:51,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:13:51,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:13:51" (1/1) ... [2022-12-15 01:13:51,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76a3e454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:51, skipping insertion in model container [2022-12-15 01:13:51,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:13:51" (1/1) ... [2022-12-15 01:13:51,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:13:51,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:13:51,332 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_130f1907-e311-4259-a531-f3f8fc64bfe0/sv-benchmarks/c/array-patterns/array30_pattern.c[1189,1202] [2022-12-15 01:13:51,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:13:51,350 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:13:51,358 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_130f1907-e311-4259-a531-f3f8fc64bfe0/sv-benchmarks/c/array-patterns/array30_pattern.c[1189,1202] [2022-12-15 01:13:51,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:13:51,372 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:13:51,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:51 WrapperNode [2022-12-15 01:13:51,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:13:51,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:13:51,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:13:51,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:13:51,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:51" (1/1) ... [2022-12-15 01:13:51,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:51" (1/1) ... [2022-12-15 01:13:51,396 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 80 [2022-12-15 01:13:51,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:13:51,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:13:51,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:13:51,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:13:51,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:51" (1/1) ... [2022-12-15 01:13:51,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:51" (1/1) ... [2022-12-15 01:13:51,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:51" (1/1) ... [2022-12-15 01:13:51,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:51" (1/1) ... [2022-12-15 01:13:51,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:51" (1/1) ... [2022-12-15 01:13:51,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:51" (1/1) ... [2022-12-15 01:13:51,410 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:51" (1/1) ... [2022-12-15 01:13:51,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:51" (1/1) ... [2022-12-15 01:13:51,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:13:51,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:13:51,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:13:51,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:13:51,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:13:51" (1/1) ... [2022-12-15 01:13:51,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:13:51,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130f1907-e311-4259-a531-f3f8fc64bfe0/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:13:51,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130f1907-e311-4259-a531-f3f8fc64bfe0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:13:51,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_130f1907-e311-4259-a531-f3f8fc64bfe0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:13:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:13:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:13:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:13:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 01:13:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:13:51,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:13:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 01:13:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:13:51,530 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:13:51,531 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:13:51,634 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:13:51,677 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:13:51,677 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-15 01:13:51,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:13:51 BoogieIcfgContainer [2022-12-15 01:13:51,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:13:51,680 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:13:51,680 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:13:51,688 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:13:51,688 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:13:51" (1/1) ... [2022-12-15 01:13:51,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:13:51,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:13:51,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2022-12-15 01:13:51,733 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2022-12-15 01:13:51,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:13:51,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:13:51,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:13:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:13:51,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 01:13:51,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:13:51,877 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 01:13:51,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:13:51,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2022-12-15 01:13:51,909 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2022-12-15 01:13:51,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:13:51,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:13:51,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:13:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:13:51,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 01:13:51,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:13:51,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:13:52,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:13:52,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2022-12-15 01:13:52,044 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2022-12-15 01:13:52,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:13:52,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:13:52,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:13:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:13:52,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 01:13:52,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:13:52,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:13:52,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:13:52,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2022-12-15 01:13:52,195 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2022-12-15 01:13:52,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 01:13:52,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:13:52,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:13:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:13:52,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 01:13:52,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:13:52,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:13:52,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:13:52,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2022-12-15 01:13:52,263 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2022-12-15 01:13:52,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:13:52,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:13:52,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:13:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:13:52,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-15 01:13:52,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:13:52,408 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 11 treesize of output 7 [2022-12-15 01:13:52,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2022-12-15 01:13:52,615 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:13:53,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:13:53,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 24 states and 45 transitions. [2022-12-15 01:13:53,472 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 45 transitions. [2022-12-15 01:13:53,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:13:53,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:13:53,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:13:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:13:53,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-15 01:13:53,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:13:53,617 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:13:54,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:13:54,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 27 states and 55 transitions. [2022-12-15 01:13:54,142 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 55 transitions. [2022-12-15 01:13:54,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:13:54,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:13:54,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:13:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:13:54,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-15 01:13:54,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:13:54,299 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:13:54,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:13:54,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 28 states and 56 transitions. [2022-12-15 01:13:54,526 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 56 transitions. [2022-12-15 01:13:54,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:13:54,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:13:54,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:13:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:13:54,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-15 01:13:54,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:13:54,626 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 01:13:54,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:13:54,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 29 states and 57 transitions. [2022-12-15 01:13:54,823 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 57 transitions. [2022-12-15 01:13:54,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:13:54,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:13:54,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:13:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:13:54,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-15 01:13:54,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:13:54,973 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:13:55,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:13:55,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 32 states and 65 transitions. [2022-12-15 01:13:55,412 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 65 transitions. [2022-12-15 01:13:55,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:13:55,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:13:55,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:13:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:13:55,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-15 01:13:55,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:13:55,486 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:13:55,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:13:55,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 33 states and 65 transitions. [2022-12-15 01:13:55,596 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 65 transitions. [2022-12-15 01:13:55,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 01:13:55,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:13:55,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:13:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:13:55,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-15 01:13:55,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:13:55,682 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 01:13:56,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:13:56,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 72 transitions. [2022-12-15 01:13:56,539 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2022-12-15 01:13:56,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:13:56,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:13:56,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:13:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:13:56,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-15 01:13:56,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:13:56,644 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-15 01:13:57,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:13:57,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2022-12-15 01:13:57,240 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2022-12-15 01:13:57,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 01:13:57,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:13:57,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:13:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:13:57,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-15 01:13:57,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:13:57,329 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:13:57,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:13:57,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2022-12-15 01:13:57,502 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2022-12-15 01:13:57,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:13:57,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:13:57,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:13:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:13:57,584 WARN L261 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 101 conjunts are in the unsatisfiable core [2022-12-15 01:13:57,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:13:57,639 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 01:13:57,767 INFO L321 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-12-15 01:13:57,767 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 28 treesize of output 27 [2022-12-15 01:13:58,426 INFO L321 Elim1Store]: treesize reduction 109, result has 21.0 percent of original size [2022-12-15 01:13:58,426 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 56 treesize of output 58 [2022-12-15 01:13:58,963 INFO L321 Elim1Store]: treesize reduction 320, result has 14.7 percent of original size [2022-12-15 01:13:58,963 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 153 treesize of output 158 [2022-12-15 01:14:06,052 INFO L321 Elim1Store]: treesize reduction 433, result has 2.3 percent of original size [2022-12-15 01:14:06,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 123 treesize of output 35 [2022-12-15 01:14:16,402 WARN L233 SmtUtils]: Spent 9.74s on a formula simplification. DAG size of input: 5261 DAG size of output: 4709 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)