./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array24_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_f4ac1fe5-4965-4c02-b99d-ba81b8af181e/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ac1fe5-4965-4c02-b99d-ba81b8af181e/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_f4ac1fe5-4965-4c02-b99d-ba81b8af181e/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ac1fe5-4965-4c02-b99d-ba81b8af181e/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array24_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ac1fe5-4965-4c02-b99d-ba81b8af181e/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_f4ac1fe5-4965-4c02-b99d-ba81b8af181e/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 b41c571dabcbc4670dde65107f8da5b879f13435b678b4e9a9cdcc7ef0066cf6 --- 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 [2022-12-14 20:35:25,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:35:25,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:35:25,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:35:25,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:35:25,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:35:25,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:35:25,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:35:25,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:35:25,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:35:25,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:35:25,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:35:25,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:35:25,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:35:25,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:35:25,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:35:25,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:35:25,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:35:25,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:35:25,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:35:25,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:35:25,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:35:25,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:35:25,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:35:25,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:35:25,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:35:25,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:35:25,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:35:25,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:35:25,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:35:25,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:35:25,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:35:25,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:35:25,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:35:25,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:35:25,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:35:25,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:35:25,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:35:25,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:35:25,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:35:25,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:35:25,581 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ac1fe5-4965-4c02-b99d-ba81b8af181e/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 20:35:25,600 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:35:25,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:35:25,601 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:35:25,601 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:35:25,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:35:25,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:35:25,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:35:25,603 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:35:25,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:35:25,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:35:25,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:35:25,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:35:25,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:35:25,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:35:25,604 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:35:25,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:35:25,604 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:35:25,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:35:25,605 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:35:25,605 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:35:25,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:35:25,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:35:25,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:35:25,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:35:25,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:35:25,606 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:35:25,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:35:25,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:35:25,607 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_f4ac1fe5-4965-4c02-b99d-ba81b8af181e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ac1fe5-4965-4c02-b99d-ba81b8af181e/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b41c571dabcbc4670dde65107f8da5b879f13435b678b4e9a9cdcc7ef0066cf6 [2022-12-14 20:35:25,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:35:25,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:35:25,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:35:25,816 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:35:25,817 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:35:25,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ac1fe5-4965-4c02-b99d-ba81b8af181e/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/array-patterns/array24_pattern.c [2022-12-14 20:35:28,323 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:35:28,463 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:35:28,464 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ac1fe5-4965-4c02-b99d-ba81b8af181e/sv-benchmarks/c/array-patterns/array24_pattern.c [2022-12-14 20:35:28,468 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ac1fe5-4965-4c02-b99d-ba81b8af181e/bin/ukojak-rkRKPMF4O4/data/11ce04b40/a5b7cf81933f4dedaefc7ddfadab031e/FLAG2eb694f9b [2022-12-14 20:35:28,876 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ac1fe5-4965-4c02-b99d-ba81b8af181e/bin/ukojak-rkRKPMF4O4/data/11ce04b40/a5b7cf81933f4dedaefc7ddfadab031e [2022-12-14 20:35:28,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:35:28,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:35:28,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:35:28,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:35:28,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:35:28,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:35:28" (1/1) ... [2022-12-14 20:35:28,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689e7c24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:28, skipping insertion in model container [2022-12-14 20:35:28,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:35:28" (1/1) ... [2022-12-14 20:35:28,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:35:28,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:35:28,994 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_f4ac1fe5-4965-4c02-b99d-ba81b8af181e/sv-benchmarks/c/array-patterns/array24_pattern.c[1359,1372] [2022-12-14 20:35:29,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:35:29,016 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:35:29,024 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_f4ac1fe5-4965-4c02-b99d-ba81b8af181e/sv-benchmarks/c/array-patterns/array24_pattern.c[1359,1372] [2022-12-14 20:35:29,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:35:29,041 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:35:29,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:29 WrapperNode [2022-12-14 20:35:29,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:35:29,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:35:29,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:35:29,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:35:29,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:29" (1/1) ... [2022-12-14 20:35:29,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:29" (1/1) ... [2022-12-14 20:35:29,067 INFO L138 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2022-12-14 20:35:29,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:35:29,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:35:29,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:35:29,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:35:29,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:29" (1/1) ... [2022-12-14 20:35:29,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:29" (1/1) ... [2022-12-14 20:35:29,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:29" (1/1) ... [2022-12-14 20:35:29,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:29" (1/1) ... [2022-12-14 20:35:29,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:29" (1/1) ... [2022-12-14 20:35:29,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:29" (1/1) ... [2022-12-14 20:35:29,083 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:29" (1/1) ... [2022-12-14 20:35:29,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:29" (1/1) ... [2022-12-14 20:35:29,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:35:29,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:35:29,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:35:29,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:35:29,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:35:29" (1/1) ... [2022-12-14 20:35:29,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:35:29,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ac1fe5-4965-4c02-b99d-ba81b8af181e/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:35:29,110 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ac1fe5-4965-4c02-b99d-ba81b8af181e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:35:29,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4ac1fe5-4965-4c02-b99d-ba81b8af181e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:35:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2022-12-14 20:35:29,145 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2022-12-14 20:35:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:35:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 20:35:29,146 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 20:35:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:35:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:35:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 20:35:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:35:29,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:35:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 20:35:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:35:29,205 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:35:29,207 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:35:29,345 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:35:29,392 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:35:29,392 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-14 20:35:29,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:35:29 BoogieIcfgContainer [2022-12-14 20:35:29,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:35:29,394 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:35:29,395 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:35:29,403 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:35:29,403 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:35:29" (1/1) ... [2022-12-14 20:35:29,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:35:29,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:29,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-12-14 20:35:29,454 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-12-14 20:35:29,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 20:35:29,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:29,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:29,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 20:35:29,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:35:29,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:35:29,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:29,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2022-12-14 20:35:29,613 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2022-12-14 20:35:29,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:35:29,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:29,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:29,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 20:35:29,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:35:29,739 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:35:29,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:29,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2022-12-14 20:35:29,803 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2022-12-14 20:35:29,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 20:35:29,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:29,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:29,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 20:35:29,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:35:29,886 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:35:29,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:29,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2022-12-14 20:35:29,978 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2022-12-14 20:35:29,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 20:35:29,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:29,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:30,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 20:35:30,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:35:30,078 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 20:35:30,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:30,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 53 transitions. [2022-12-14 20:35:30,243 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2022-12-14 20:35:30,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 20:35:30,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:30,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:30,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 20:35:30,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:35:30,317 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 20:35:30,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:30,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 56 transitions. [2022-12-14 20:35:30,338 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2022-12-14 20:35:30,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 20:35:30,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:30,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:30,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 20:35:30,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:35:30,427 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 20:35:30,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:30,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 60 transitions. [2022-12-14 20:35:30,574 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2022-12-14 20:35:30,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 20:35:30,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:30,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:30,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 20:35:30,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:35:30,691 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 20:35:31,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:31,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 66 transitions. [2022-12-14 20:35:31,097 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2022-12-14 20:35:31,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 20:35:31,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:31,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:31,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 20:35:31,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:35:31,202 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 20:35:31,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:31,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 86 transitions. [2022-12-14 20:35:31,580 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2022-12-14 20:35:31,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 20:35:31,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:31,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:31,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 20:35:31,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:35:31,654 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 20:35:31,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:31,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 40 states and 58 transitions. [2022-12-14 20:35:31,676 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2022-12-14 20:35:31,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 20:35:31,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:31,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:31,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 20:35:31,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:35:31,759 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 20:35:32,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:32,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 44 states and 64 transitions. [2022-12-14 20:35:32,027 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2022-12-14 20:35:32,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 20:35:32,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:32,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:32,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 72 conjunts are in the unsatisfiable core [2022-12-14 20:35:32,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:35:32,324 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 [2022-12-14 20:35:32,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2022-12-14 20:35:32,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:35:32,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:35:32,629 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 20:35:32,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 55 [2022-12-14 20:35:32,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:35:32,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:35:32,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:35:32,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:35:32,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:35:32,728 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 20:35:32,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 49 [2022-12-14 20:35:33,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:35:33,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:35:33,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:35:33,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:35:33,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:35:33,658 INFO L321 Elim1Store]: treesize reduction 221, result has 15.3 percent of original size [2022-12-14 20:35:33,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 73 treesize of output 68 [2022-12-14 20:35:34,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:35:34,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:35:34,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:35:34,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 20:35:34,281 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 20:35:34,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 18 [2022-12-14 20:35:34,376 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:35:40,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:40,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 76 states and 121 transitions. [2022-12-14 20:35:40,698 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 121 transitions. [2022-12-14 20:35:40,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 20:35:40,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:40,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:40,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 20:35:40,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:35:41,033 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 20:35:42,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:42,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 81 states and 133 transitions. [2022-12-14 20:35:42,733 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 133 transitions. [2022-12-14 20:35:42,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 20:35:42,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:42,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:42,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 20:35:42,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:35:43,101 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-14 20:35:44,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:44,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 86 states and 140 transitions. [2022-12-14 20:35:44,541 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 140 transitions. [2022-12-14 20:35:44,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 20:35:44,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:44,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:44,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-14 20:35:44,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:35:45,454 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-12-14 20:35:48,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:48,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 86 states and 139 transitions. [2022-12-14 20:35:48,120 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 139 transitions. [2022-12-14 20:35:48,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 20:35:48,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:48,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:48,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 20:35:48,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:35:48,174 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 20:35:48,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:48,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 89 states and 142 transitions. [2022-12-14 20:35:48,930 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 142 transitions. [2022-12-14 20:35:48,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 20:35:48,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:48,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:48,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 20:35:48,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:35:48,984 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 20:35:49,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:49,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 82 states and 125 transitions. [2022-12-14 20:35:49,249 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 125 transitions. [2022-12-14 20:35:49,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 20:35:49,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:49,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:49,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 20:35:49,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:35:49,311 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 21 proven. 30 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-12-14 20:35:52,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:52,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 95 states and 146 transitions. [2022-12-14 20:35:52,178 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 146 transitions. [2022-12-14 20:35:52,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 20:35:52,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:52,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:52,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 20:35:52,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:35:52,242 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-14 20:35:54,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:54,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 102 states and 155 transitions. [2022-12-14 20:35:54,380 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2022-12-14 20:35:54,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 20:35:54,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:54,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:54,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 20:35:54,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:35:54,456 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 10 proven. 46 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-12-14 20:35:55,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:55,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 107 states and 162 transitions. [2022-12-14 20:35:55,024 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 162 transitions. [2022-12-14 20:35:55,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 20:35:55,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:55,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:55,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 20:35:55,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:35:55,117 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 21 proven. 30 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-14 20:35:55,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:35:55,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 89 states and 123 transitions. [2022-12-14 20:35:55,261 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 123 transitions. [2022-12-14 20:35:55,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 20:35:55,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:35:55,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:35:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:35:56,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 125 conjunts are in the unsatisfiable core [2022-12-14 20:35:56,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:35:57,029 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 [2022-12-14 20:35:57,159 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 [2022-12-14 20:35:57,318 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 20:35:57,318 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 1 case distinctions, treesize of input 46 treesize of output 48 [2022-12-14 20:35:57,776 INFO L321 Elim1Store]: treesize reduction 100, result has 20.6 percent of original size [2022-12-14 20:35:57,776 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 6 case distinctions, treesize of input 47 treesize of output 52 [2022-12-14 20:35:58,001 INFO L321 Elim1Store]: treesize reduction 148, result has 14.9 percent of original size [2022-12-14 20:35:58,001 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 9 case distinctions, treesize of input 64 treesize of output 72 [2022-12-14 20:35:58,200 INFO L321 Elim1Store]: treesize reduction 158, result has 14.1 percent of original size [2022-12-14 20:35:58,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 71 treesize of output 82 [2022-12-14 20:35:58,983 INFO L321 Elim1Store]: treesize reduction 300, result has 19.6 percent of original size [2022-12-14 20:35:58,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 90 treesize of output 104 [2022-12-14 20:35:59,304 INFO L321 Elim1Store]: treesize reduction 374, result has 16.3 percent of original size [2022-12-14 20:35:59,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 104 treesize of output 121 [2022-12-14 20:35:59,696 INFO L321 Elim1Store]: treesize reduction 374, result has 14.0 percent of original size [2022-12-14 20:35:59,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 34 case distinctions, treesize of input 100 treesize of output 120 [2022-12-14 20:38:43,166 INFO L321 Elim1Store]: treesize reduction 812, result has 10.6 percent of original size [2022-12-14 20:38:43,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 54 case distinctions, treesize of input 129 treesize of output 139 [2022-12-14 20:38:47,763 INFO L321 Elim1Store]: treesize reduction 288, result has 0.3 percent of original size [2022-12-14 20:38:47,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 128 treesize of output 34 [2022-12-14 20:38:47,912 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 4 proven. 144 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 20:44:30,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:44:30,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 128 states and 186 transitions. [2022-12-14 20:44:30,522 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 186 transitions. [2022-12-14 20:44:30,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 20:44:30,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:44:30,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:44:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:44:30,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 20:44:30,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:44:31,636 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 55 proven. 26 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-12-14 20:44:37,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:44:37,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 135 states and 201 transitions. [2022-12-14 20:44:37,674 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 201 transitions. [2022-12-14 20:44:37,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 20:44:37,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:44:37,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:44:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:44:37,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 20:44:37,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:44:37,775 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 39 proven. 46 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-14 20:44:42,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:44:42,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 141 states and 208 transitions. [2022-12-14 20:44:42,851 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 208 transitions. [2022-12-14 20:44:42,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 20:44:42,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:44:42,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:44:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:44:45,052 WARN L261 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 153 conjunts are in the unsatisfiable core [2022-12-14 20:44:45,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:44:45,517 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 [2022-12-14 20:44:45,787 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 [2022-12-14 20:44:46,121 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 20:44:46,122 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 1 case distinctions, treesize of input 46 treesize of output 48 [2022-12-14 20:45:17,218 INFO L321 Elim1Store]: treesize reduction 100, result has 20.6 percent of original size [2022-12-14 20:45:17,219 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 6 case distinctions, treesize of input 47 treesize of output 52 [2022-12-14 20:45:18,893 INFO L321 Elim1Store]: treesize reduction 148, result has 14.9 percent of original size [2022-12-14 20:45:18,893 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 9 case distinctions, treesize of input 64 treesize of output 72 [2022-12-14 20:45:39,384 INFO L321 Elim1Store]: treesize reduction 158, result has 14.1 percent of original size [2022-12-14 20:45:39,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 71 treesize of output 82 [2022-12-14 20:46:34,073 INFO L321 Elim1Store]: treesize reduction 278, result has 18.0 percent of original size [2022-12-14 20:46:34,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 78 treesize of output 92 [2022-12-14 20:46:54,613 INFO L321 Elim1Store]: treesize reduction 364, result has 14.4 percent of original size [2022-12-14 20:46:54,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 92 treesize of output 109 [2022-12-14 20:47:15,214 INFO L321 Elim1Store]: treesize reduction 374, result has 14.0 percent of original size [2022-12-14 20:47:15,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 34 case distinctions, treesize of input 100 treesize of output 120