./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a705714f-706f-48f5-8413-2e002b591cf6/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a705714f-706f-48f5-8413-2e002b591cf6/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a705714f-706f-48f5-8413-2e002b591cf6/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a705714f-706f-48f5-8413-2e002b591cf6/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a705714f-706f-48f5-8413-2e002b591cf6/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a705714f-706f-48f5-8413-2e002b591cf6/bin/ukojak-92XMlrwhuB --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 4fa401c700a21fa1f98a1481c8e8ba1555a45c0429555dc041a1c04ce1059991 --- 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-dbf71c6-m [2022-10-17 17:03:58,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:03:58,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:03:58,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:03:58,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:03:58,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:03:58,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:03:58,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:03:58,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:03:58,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:03:58,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:03:58,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:03:58,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:03:58,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:03:58,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:03:58,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:03:58,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:03:58,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:03:58,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:03:58,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:03:58,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:03:58,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:03:58,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:03:58,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:03:58,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:03:58,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:03:58,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:03:58,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:03:58,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:03:58,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:03:58,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:03:58,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:03:58,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:03:58,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:03:58,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:03:58,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:03:58,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:03:58,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:03:58,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:03:58,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:03:58,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:03:58,348 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a705714f-706f-48f5-8413-2e002b591cf6/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:03:58,384 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:03:58,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:03:58,387 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:03:58,388 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:03:58,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:03:58,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:03:58,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:03:58,389 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:03:58,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:03:58,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:03:58,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:03:58,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:03:58,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:03:58,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:03:58,396 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:03:58,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:03:58,397 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:03:58,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:03:58,397 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:03:58,397 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:03:58,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:03:58,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:03:58,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:03:58,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:03:58,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:03:58,399 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:03:58,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:03:58,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:03:58,401 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_a705714f-706f-48f5-8413-2e002b591cf6/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a705714f-706f-48f5-8413-2e002b591cf6/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fa401c700a21fa1f98a1481c8e8ba1555a45c0429555dc041a1c04ce1059991 [2022-10-17 17:03:58,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:03:58,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:03:58,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:03:58,696 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:03:58,697 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:03:58,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a705714f-706f-48f5-8413-2e002b591cf6/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c [2022-10-17 17:03:58,774 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a705714f-706f-48f5-8413-2e002b591cf6/bin/ukojak-92XMlrwhuB/data/7c63f5a0a/5b4e7770c6594ac18ea0da161587a51d/FLAG8cb28ba7f [2022-10-17 17:03:59,320 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:03:59,321 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a705714f-706f-48f5-8413-2e002b591cf6/sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c [2022-10-17 17:03:59,329 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a705714f-706f-48f5-8413-2e002b591cf6/bin/ukojak-92XMlrwhuB/data/7c63f5a0a/5b4e7770c6594ac18ea0da161587a51d/FLAG8cb28ba7f [2022-10-17 17:03:59,664 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a705714f-706f-48f5-8413-2e002b591cf6/bin/ukojak-92XMlrwhuB/data/7c63f5a0a/5b4e7770c6594ac18ea0da161587a51d [2022-10-17 17:03:59,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:03:59,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:03:59,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:59,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:03:59,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:03:59,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:59" (1/1) ... [2022-10-17 17:03:59,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8440884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:59, skipping insertion in model container [2022-10-17 17:03:59,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:59" (1/1) ... [2022-10-17 17:03:59,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:03:59,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:03:59,850 WARN L230 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_a705714f-706f-48f5-8413-2e002b591cf6/sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c[421,434] [2022-10-17 17:03:59,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:59,878 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:03:59,891 WARN L230 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_a705714f-706f-48f5-8413-2e002b591cf6/sv-benchmarks/c/array-multidimensional/init-non-constant-2-n-u.c[421,434] [2022-10-17 17:03:59,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:59,913 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:03:59,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:59 WrapperNode [2022-10-17 17:03:59,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:59,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:03:59,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:03:59,915 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:03:59,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:59" (1/1) ... [2022-10-17 17:03:59,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:59" (1/1) ... [2022-10-17 17:03:59,949 INFO L138 Inliner]: procedures = 16, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2022-10-17 17:03:59,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:03:59,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:03:59,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:03:59,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:03:59,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:59" (1/1) ... [2022-10-17 17:03:59,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:59" (1/1) ... [2022-10-17 17:03:59,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:59" (1/1) ... [2022-10-17 17:03:59,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:59" (1/1) ... [2022-10-17 17:03:59,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:59" (1/1) ... [2022-10-17 17:03:59,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:59" (1/1) ... [2022-10-17 17:03:59,973 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:59" (1/1) ... [2022-10-17 17:03:59,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:59" (1/1) ... [2022-10-17 17:03:59,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:03:59,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:03:59,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:03:59,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:03:59,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:59" (1/1) ... [2022-10-17 17:03:59,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:03:59,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a705714f-706f-48f5-8413-2e002b591cf6/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:04:00,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a705714f-706f-48f5-8413-2e002b591cf6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:04:00,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a705714f-706f-48f5-8413-2e002b591cf6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:04:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:04:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:04:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:04:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:04:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:04:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:04:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:04:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:04:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:04:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:04:00,116 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:04:00,117 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:04:00,299 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:04:00,348 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:04:00,349 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 17:04:00,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:00 BoogieIcfgContainer [2022-10-17 17:04:00,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:04:00,353 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:04:00,353 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:04:00,362 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:04:00,362 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:04:00" (1/1) ... [2022-10-17 17:04:00,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:04:00,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:00,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2022-10-17 17:04:00,428 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2022-10-17 17:04:00,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:04:00,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:00,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:00,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 17:04:00,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:00,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:00,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:00,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 24 transitions. [2022-10-17 17:04:00,773 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-10-17 17:04:00,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:04:00,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:00,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:00,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 17:04:00,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:00,971 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:01,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:01,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 20 states and 38 transitions. [2022-10-17 17:04:01,263 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 38 transitions. [2022-10-17 17:04:01,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:04:01,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:01,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:01,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 17:04:01,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:01,507 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 17:04:01,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:02,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:02,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 27 states and 61 transitions. [2022-10-17 17:04:02,645 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 61 transitions. [2022-10-17 17:04:02,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:04:02,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:02,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:02,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-17 17:04:02,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:02,757 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 15 [2022-10-17 17:04:02,867 INFO L356 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-10-17 17:04:02,868 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 23 treesize of output 22 [2022-10-17 17:04:02,915 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:03,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:03,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 28 states and 64 transitions. [2022-10-17 17:04:03,105 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 64 transitions. [2022-10-17 17:04:03,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:04:03,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:03,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:03,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 17:04:03,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:03,173 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:03,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:03,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 29 states and 69 transitions. [2022-10-17 17:04:03,363 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 69 transitions. [2022-10-17 17:04:03,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:04:03,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:03,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:03,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 17:04:03,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:03,582 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:04,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:04,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 36 states and 88 transitions. [2022-10-17 17:04:04,955 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 88 transitions. [2022-10-17 17:04:04,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:04:04,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:04,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:04,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 17:04:04,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:05,025 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 15 [2022-10-17 17:04:05,203 INFO L356 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-10-17 17:04:05,204 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 17:04:05,240 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:05,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:05,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 37 states and 90 transitions. [2022-10-17 17:04:05,655 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 90 transitions. [2022-10-17 17:04:05,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:04:05,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:05,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:05,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 17:04:05,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:05,701 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:04:05,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:05,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 38 states and 93 transitions. [2022-10-17 17:04:05,899 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 93 transitions. [2022-10-17 17:04:05,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:04:05,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:05,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:05,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 17:04:05,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:05,950 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:06,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:06,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 40 states and 98 transitions. [2022-10-17 17:04:06,401 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 98 transitions. [2022-10-17 17:04:06,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:04:06,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:06,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:06,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 17:04:06,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:06,544 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 11 [2022-10-17 17:04:06,936 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:09,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:09,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 46 states and 111 transitions. [2022-10-17 17:04:09,722 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 111 transitions. [2022-10-17 17:04:09,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:04:09,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:09,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:09,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 17:04:09,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:10,037 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:04:12,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:12,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 53 states and 128 transitions. [2022-10-17 17:04:12,058 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 128 transitions. [2022-10-17 17:04:12,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:04:12,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:12,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:12,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-17 17:04:12,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:12,136 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 15 [2022-10-17 17:04:12,158 INFO L356 Elim1Store]: treesize reduction 27, result has 32.5 percent of original size [2022-10-17 17:04:12,159 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 36 treesize of output 35 [2022-10-17 17:04:12,220 INFO L356 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-10-17 17:04:12,221 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 17:04:12,351 INFO L356 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-10-17 17:04:12,352 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 17:04:12,403 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:12,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:12,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 54 states and 129 transitions. [2022-10-17 17:04:12,780 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 129 transitions. [2022-10-17 17:04:12,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:04:12,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:12,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:12,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-17 17:04:12,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:12,996 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 15 [2022-10-17 17:04:13,337 INFO L356 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2022-10-17 17:04:13,337 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 17:04:13,596 INFO L356 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2022-10-17 17:04:13,596 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 27 treesize of output 26 [2022-10-17 17:04:14,115 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:17,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:17,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 61 states and 148 transitions. [2022-10-17 17:04:17,371 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 148 transitions. [2022-10-17 17:04:17,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:04:17,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:17,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:17,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 17:04:17,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:17,448 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:04:18,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:18,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 52 states and 106 transitions. [2022-10-17 17:04:18,079 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 106 transitions. [2022-10-17 17:04:18,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:04:18,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:18,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:18,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 17:04:18,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:18,726 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:04:25,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:25,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 62 states and 133 transitions. [2022-10-17 17:04:25,073 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 133 transitions. [2022-10-17 17:04:25,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:04:25,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:25,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:25,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 17:04:25,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:25,610 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:04:27,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:04:27,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 63 states and 131 transitions. [2022-10-17 17:04:27,311 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 131 transitions. [2022-10-17 17:04:27,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:04:27,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:04:27,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:04:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:04:27,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 17:04:27,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:04:27,703 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-10-17 17:04:29,021 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.