./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array27_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array27_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8e2a4cc1bd1815c470836bbbcc9d3775eac69b651b7231d974ae63a065851dd1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:02:39,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:02:39,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:02:39,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:02:39,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:02:39,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:02:39,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:02:39,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:02:39,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:02:39,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:02:39,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:02:39,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:02:39,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:02:39,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:02:39,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:02:39,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:02:39,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:02:39,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:02:39,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:02:39,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:02:39,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:02:39,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:02:39,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:02:39,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:02:39,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:02:39,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:02:39,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:02:39,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:02:39,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:02:39,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:02:39,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:02:39,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:02:39,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:02:39,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:02:39,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:02:39,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:02:39,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:02:39,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:02:39,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:02:39,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:02:39,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:02:39,963 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-21 23:02:40,003 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:02:40,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:02:40,005 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:02:40,005 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:02:40,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:02:40,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:02:40,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:02:40,007 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:02:40,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:02:40,008 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:02:40,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:02:40,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:02:40,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:02:40,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:02:40,010 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:02:40,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:02:40,010 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:02:40,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:02:40,011 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:02:40,011 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:02:40,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:02:40,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:02:40,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:02:40,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:02:40,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:02:40,012 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:02:40,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:02:40,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:02:40,013 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_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e2a4cc1bd1815c470836bbbcc9d3775eac69b651b7231d974ae63a065851dd1 [2022-11-21 23:02:40,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:02:40,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:02:40,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:02:40,363 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:02:40,364 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:02:40,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/array-patterns/array27_pattern.c [2022-11-21 23:02:43,664 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:02:43,885 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:02:43,885 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/sv-benchmarks/c/array-patterns/array27_pattern.c [2022-11-21 23:02:43,892 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/data/a07301dde/3b8128336b4d4e8ebb45d6338da057f0/FLAGbf74807b3 [2022-11-21 23:02:43,910 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/data/a07301dde/3b8128336b4d4e8ebb45d6338da057f0 [2022-11-21 23:02:43,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:02:43,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:02:43,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:02:43,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:02:43,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:02:43,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:02:43" (1/1) ... [2022-11-21 23:02:43,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab7c68d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:43, skipping insertion in model container [2022-11-21 23:02:43,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:02:43" (1/1) ... [2022-11-21 23:02:43,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:02:43,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:02:44,157 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_5695a45a-3aec-441a-87fc-36b98654337b/sv-benchmarks/c/array-patterns/array27_pattern.c[1253,1266] [2022-11-21 23:02:44,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:02:44,194 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:02:44,214 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_5695a45a-3aec-441a-87fc-36b98654337b/sv-benchmarks/c/array-patterns/array27_pattern.c[1253,1266] [2022-11-21 23:02:44,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:02:44,246 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:02:44,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:44 WrapperNode [2022-11-21 23:02:44,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:02:44,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:02:44,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:02:44,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:02:44,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:44" (1/1) ... [2022-11-21 23:02:44,271 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:44" (1/1) ... [2022-11-21 23:02:44,292 INFO L138 Inliner]: procedures = 16, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2022-11-21 23:02:44,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:02:44,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:02:44,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:02:44,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:02:44,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:44" (1/1) ... [2022-11-21 23:02:44,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:44" (1/1) ... [2022-11-21 23:02:44,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:44" (1/1) ... [2022-11-21 23:02:44,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:44" (1/1) ... [2022-11-21 23:02:44,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:44" (1/1) ... [2022-11-21 23:02:44,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:44" (1/1) ... [2022-11-21 23:02:44,335 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:44" (1/1) ... [2022-11-21 23:02:44,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:44" (1/1) ... [2022-11-21 23:02:44,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:02:44,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:02:44,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:02:44,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:02:44,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:02:44" (1/1) ... [2022-11-21 23:02:44,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:02:44,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:02:44,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:02:44,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:02:44,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:02:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:02:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:02:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:02:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:02:44,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:02:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:02:44,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:02:44,529 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:02:44,531 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:02:44,743 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:02:44,818 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:02:44,818 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 23:02:44,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:02:44 BoogieIcfgContainer [2022-11-21 23:02:44,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:02:44,823 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:02:44,823 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:02:44,856 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:02:44,856 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:02:44" (1/1) ... [2022-11-21 23:02:44,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:02:45,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:02:45,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2022-11-21 23:02:45,024 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2022-11-21 23:02:45,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:02:45,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:02:45,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:02:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:02:45,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 23:02:45,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:02:45,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:02:45,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:02:45,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2022-11-21 23:02:45,540 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2022-11-21 23:02:45,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:02:45,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:02:45,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:02:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:02:45,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:02:45,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:02:45,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:02:45,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:02:45,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2022-11-21 23:02:45,870 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2022-11-21 23:02:45,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:02:45,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:02:45,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:02:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:02:45,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:02:45,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:02:46,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:02:46,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:02:46,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2022-11-21 23:02:46,165 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2022-11-21 23:02:46,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:02:46,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:02:46,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:02:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:02:46,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:02:46,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:02:46,279 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:02:46,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:02:46,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2022-11-21 23:02:46,312 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2022-11-21 23:02:46,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:02:46,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:02:46,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:02:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:02:46,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-21 23:02:46,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:02:46,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-21 23:02:46,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-21 23:02:47,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:02:48,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:02:48,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 24 states and 45 transitions. [2022-11-21 23:02:48,832 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 45 transitions. [2022-11-21 23:02:48,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:02:48,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:02:48,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:02:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:02:48,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:02:48,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:02:49,154 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:02:50,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:02:50,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 27 states and 55 transitions. [2022-11-21 23:02:50,166 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 55 transitions. [2022-11-21 23:02:50,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:02:50,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:02:50,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:02:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:02:50,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:02:50,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:02:50,407 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:02:50,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:02:50,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 28 states and 56 transitions. [2022-11-21 23:02:50,913 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 56 transitions. [2022-11-21 23:02:50,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:02:50,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:02:50,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:02:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:02:50,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:02:50,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:02:51,199 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:02:51,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:02:51,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 29 states and 57 transitions. [2022-11-21 23:02:51,684 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 57 transitions. [2022-11-21 23:02:51,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:02:51,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:02:51,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:02:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:02:51,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:02:51,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:02:52,033 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:02:53,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:02:53,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 32 states and 65 transitions. [2022-11-21 23:02:53,186 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 65 transitions. [2022-11-21 23:02:53,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:02:53,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:02:53,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:02:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:02:53,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:02:53,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:02:53,361 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:02:53,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:02:53,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 33 states and 65 transitions. [2022-11-21 23:02:53,580 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 65 transitions. [2022-11-21 23:02:53,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:02:53,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:02:53,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:02:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:02:53,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:02:53,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:02:53,769 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 23:02:55,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:02:55,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 72 transitions. [2022-11-21 23:02:55,336 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2022-11-21 23:02:55,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:02:55,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:02:55,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:02:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:02:55,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:02:55,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:02:55,544 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-21 23:02:56,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:02:56,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2022-11-21 23:02:56,451 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2022-11-21 23:02:56,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:02:56,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:02:56,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:02:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:02:56,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:02:56,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:02:56,613 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 23:02:56,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:02:56,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2022-11-21 23:02:56,881 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2022-11-21 23:02:56,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:02:56,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:02:56,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:02:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:02:57,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 64 conjunts are in the unsatisfiable core [2022-11-21 23:02:57,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:02:57,225 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-21 23:02:57,231 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 20 treesize of output 16 [2022-11-21 23:02:57,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:02:57,374 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 35 treesize of output 34 [2022-11-21 23:02:57,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 85 [2022-11-21 23:02:57,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:02:57,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:02:57,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:02:57,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 52 treesize of output 61 [2022-11-21 23:02:57,838 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:02:57,839 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-11-21 23:02:58,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:02:58,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:02:58,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:02:58,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:02:58,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:02:58,043 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:02:58,044 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 [2022-11-21 23:02:59,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:02:59,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:02:59,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:02:59,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:02:59,409 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:02:59,410 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 [2022-11-21 23:02:59,569 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:03:07,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:03:07,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 89 transitions. [2022-11-21 23:03:07,780 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions. [2022-11-21 23:03:07,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:03:07,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:03:07,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:03:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:03:07,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-21 23:03:07,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:03:08,248 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 20 treesize of output 16 [2022-11-21 23:03:08,256 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-21 23:03:08,444 INFO L321 Elim1Store]: treesize reduction 30, result has 34.8 percent of original size [2022-11-21 23:03:08,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2022-11-21 23:03:09,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 85 [2022-11-21 23:03:09,158 INFO L321 Elim1Store]: treesize reduction 91, result has 28.3 percent of original size [2022-11-21 23:03:09,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 61 [2022-11-21 23:03:09,169 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:03:09,170 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-11-21 23:03:09,441 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-11-21 23:03:09,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 49 [2022-11-21 23:03:11,252 INFO L321 Elim1Store]: treesize reduction 42, result has 2.3 percent of original size [2022-11-21 23:03:11,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 18 [2022-11-21 23:03:11,301 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:03:22,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:03:22,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 66 states and 106 transitions. [2022-11-21 23:03:22,417 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 106 transitions. [2022-11-21 23:03:22,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:03:22,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:03:22,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:03:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:03:22,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:03:22,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:03:23,192 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-21 23:03:26,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:03:26,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 71 states and 127 transitions. [2022-11-21 23:03:26,947 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 127 transitions. [2022-11-21 23:03:26,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:03:26,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:03:26,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:03:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:03:26,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:03:26,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:03:27,111 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-21 23:03:28,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:03:28,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 73 states and 127 transitions. [2022-11-21 23:03:28,172 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 127 transitions. [2022-11-21 23:03:28,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:03:28,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:03:28,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:03:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:03:28,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:03:28,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:03:28,336 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-21 23:03:28,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:03:28,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 74 states and 127 transitions. [2022-11-21 23:03:28,715 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 127 transitions. [2022-11-21 23:03:28,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:03:28,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:03:28,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:03:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:03:28,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:03:28,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:03:29,520 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 23:03:33,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:03:33,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 79 states and 136 transitions. [2022-11-21 23:03:33,106 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 136 transitions. [2022-11-21 23:03:33,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:03:33,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:03:33,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:03:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:03:33,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:03:33,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:03:33,207 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 23:03:33,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:03:33,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 80 states and 136 transitions. [2022-11-21 23:03:33,759 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 136 transitions. [2022-11-21 23:03:33,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 23:03:33,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:03:33,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:03:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:03:33,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:03:33,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:03:33,902 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 32 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-21 23:03:34,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:03:34,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 81 states and 136 transitions. [2022-11-21 23:03:34,443 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 136 transitions. [2022-11-21 23:03:34,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 23:03:34,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:03:34,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:03:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:03:34,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:03:34,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:03:34,622 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 32 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-21 23:03:36,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:03:36,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 73 states and 112 transitions. [2022-11-21 23:03:36,326 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2022-11-21 23:03:36,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 23:03:36,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:03:36,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:03:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:03:36,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:03:36,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:03:36,544 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 17 proven. 30 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-21 23:03:40,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:03:40,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 77 states and 118 transitions. [2022-11-21 23:03:40,699 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 118 transitions. [2022-11-21 23:03:40,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 23:03:40,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:03:40,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:03:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:03:40,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:03:40,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:03:40,915 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-21 23:03:44,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:03:44,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2022-11-21 23:03:44,421 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2022-11-21 23:03:44,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 23:03:44,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:03:44,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:03:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:03:44,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:03:44,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:03:44,692 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 6 proven. 46 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-21 23:03:46,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:03:46,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 80 states and 114 transitions. [2022-11-21 23:03:46,722 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2022-11-21 23:03:46,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 23:03:46,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:03:46,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:03:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:03:47,594 WARN L261 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 119 conjunts are in the unsatisfiable core [2022-11-21 23:03:47,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:03:48,053 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 20 treesize of output 16 [2022-11-21 23:03:48,062 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-21 23:03:48,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 66 [2022-11-21 23:03:48,366 INFO L321 Elim1Store]: treesize reduction 38, result has 29.6 percent of original size [2022-11-21 23:03:48,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 33 treesize of output 37 [2022-11-21 23:03:48,383 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 8 treesize of output 1 [2022-11-21 23:03:48,744 INFO L321 Elim1Store]: treesize reduction 40, result has 28.6 percent of original size [2022-11-21 23:03:48,745 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 2 case distinctions, treesize of input 49 treesize of output 51 [2022-11-21 23:03:49,704 INFO L321 Elim1Store]: treesize reduction 76, result has 25.5 percent of original size [2022-11-21 23:03:49,705 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 43 treesize of output 48 [2022-11-21 23:03:50,090 INFO L321 Elim1Store]: treesize reduction 162, result has 19.4 percent of original size [2022-11-21 23:03:50,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 67 [2022-11-21 23:03:50,522 INFO L321 Elim1Store]: treesize reduction 207, result has 16.9 percent of original size [2022-11-21 23:03:50,523 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 14 case distinctions, treesize of input 73 treesize of output 84 [2022-11-21 23:03:51,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 119 [2022-11-21 23:03:52,019 INFO L321 Elim1Store]: treesize reduction 389, result has 16.3 percent of original size [2022-11-21 23:03:52,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 86 treesize of output 115 [2022-11-21 23:03:52,037 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 8 treesize of output 1 [2022-11-21 23:03:52,675 INFO L321 Elim1Store]: treesize reduction 423, result has 15.2 percent of original size [2022-11-21 23:03:52,676 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 111 treesize of output 128 [2022-11-21 23:03:53,356 INFO L321 Elim1Store]: treesize reduction 374, result has 14.0 percent of original size [2022-11-21 23:03:53,356 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 [2022-11-21 23:04:00,316 INFO L321 Elim1Store]: treesize reduction 288, result has 0.3 percent of original size [2022-11-21 23:04:00,317 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 157 treesize of output 37 [2022-11-21 23:04:00,562 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:04:35,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:35,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 107 states and 153 transitions. [2022-11-21 23:04:35,095 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 153 transitions. [2022-11-21 23:04:35,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 23:04:35,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:35,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:36,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 115 conjunts are in the unsatisfiable core [2022-11-21 23:04:36,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:04:36,429 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 20 treesize of output 16 [2022-11-21 23:04:36,440 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-21 23:04:36,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 66 [2022-11-21 23:04:36,483 INFO L321 Elim1Store]: treesize reduction 38, result has 29.6 percent of original size [2022-11-21 23:04:36,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 33 treesize of output 37 [2022-11-21 23:04:36,490 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:04:36,491 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-11-21 23:04:36,548 INFO L321 Elim1Store]: treesize reduction 40, result has 28.6 percent of original size [2022-11-21 23:04:36,548 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 2 case distinctions, treesize of input 49 treesize of output 51 [2022-11-21 23:04:36,997 INFO L321 Elim1Store]: treesize reduction 76, result has 25.5 percent of original size [2022-11-21 23:04:36,997 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 43 treesize of output 48 [2022-11-21 23:04:37,099 INFO L321 Elim1Store]: treesize reduction 162, result has 19.4 percent of original size [2022-11-21 23:04:37,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 67 [2022-11-21 23:04:37,217 INFO L321 Elim1Store]: treesize reduction 207, result has 16.9 percent of original size [2022-11-21 23:04:37,218 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 14 case distinctions, treesize of input 73 treesize of output 84 [2022-11-21 23:04:37,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 119 [2022-11-21 23:04:37,826 INFO L321 Elim1Store]: treesize reduction 389, result has 16.3 percent of original size [2022-11-21 23:04:37,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 86 treesize of output 115 [2022-11-21 23:04:37,851 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 8 treesize of output 1 [2022-11-21 23:04:38,052 INFO L321 Elim1Store]: treesize reduction 423, result has 15.2 percent of original size [2022-11-21 23:04:38,053 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 111 treesize of output 128 [2022-11-21 23:04:38,270 INFO L321 Elim1Store]: treesize reduction 374, result has 14.0 percent of original size [2022-11-21 23:04:38,270 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 [2022-11-21 23:04:40,260 INFO L321 Elim1Store]: treesize reduction 288, result has 0.3 percent of original size [2022-11-21 23:04:40,261 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 157 treesize of output 37 [2022-11-21 23:04:40,297 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:04:40,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:40,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 108 states and 153 transitions. [2022-11-21 23:04:40,909 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 153 transitions. [2022-11-21 23:04:40,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 23:04:40,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:40,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:40,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:04:40,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:04:42,878 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 51 proven. 26 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-11-21 23:04:51,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:51,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 115 states and 176 transitions. [2022-11-21 23:04:51,967 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 176 transitions. [2022-11-21 23:04:51,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 23:04:51,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:51,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:52,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:04:52,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:04:52,141 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 51 proven. 26 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-11-21 23:04:53,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:53,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 116 states and 176 transitions. [2022-11-21 23:04:53,061 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 176 transitions. [2022-11-21 23:04:53,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 23:04:53,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:53,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:53,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:04:53,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:04:53,247 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 51 proven. 26 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-11-21 23:04:54,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:54,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 117 states and 176 transitions. [2022-11-21 23:04:54,014 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 176 transitions. [2022-11-21 23:04:54,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 23:04:54,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:54,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:54,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:04:54,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:04:54,203 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 51 proven. 26 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-11-21 23:04:55,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:04:55,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 118 states and 176 transitions. [2022-11-21 23:04:55,053 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 176 transitions. [2022-11-21 23:04:55,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 23:04:55,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:04:55,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:04:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:04:55,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:04:55,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:04:55,276 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 35 proven. 46 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-21 23:05:02,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:02,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 124 states and 185 transitions. [2022-11-21 23:05:02,247 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 185 transitions. [2022-11-21 23:05:02,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 23:05:02,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:02,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:02,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:05:02,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:05:02,440 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 35 proven. 46 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-21 23:05:03,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:03,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 125 states and 185 transitions. [2022-11-21 23:05:03,322 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 185 transitions. [2022-11-21 23:05:03,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 23:05:03,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:03,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:03,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:05:03,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:05:05,023 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 6 proven. 85 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-21 23:05:13,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:13,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 131 states and 195 transitions. [2022-11-21 23:05:13,291 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 195 transitions. [2022-11-21 23:05:13,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 23:05:13,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:13,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:13,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:05:13,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:05:13,447 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 6 proven. 85 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-21 23:05:14,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:14,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 132 states and 195 transitions. [2022-11-21 23:05:14,507 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 195 transitions. [2022-11-21 23:05:14,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 23:05:14,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:14,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:14,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-21 23:05:14,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:05:14,717 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 80 proven. 19 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-21 23:05:15,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:15,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 133 states and 195 transitions. [2022-11-21 23:05:15,747 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 195 transitions. [2022-11-21 23:05:15,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 23:05:15,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:15,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:15,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-21 23:05:15,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:05:15,989 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 80 proven. 19 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-21 23:05:19,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:19,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 118 states and 163 transitions. [2022-11-21 23:05:19,068 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 163 transitions. [2022-11-21 23:05:19,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-21 23:05:19,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:19,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:19,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:05:19,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:05:19,334 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 45 proven. 70 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2022-11-21 23:05:28,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:28,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 123 states and 170 transitions. [2022-11-21 23:05:28,881 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 170 transitions. [2022-11-21 23:05:28,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-21 23:05:28,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:28,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:28,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:05:28,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:05:29,145 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 70 proven. 70 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-11-21 23:05:36,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:36,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 120 states and 162 transitions. [2022-11-21 23:05:36,279 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 162 transitions. [2022-11-21 23:05:36,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-21 23:05:36,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:36,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:36,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:05:36,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:05:36,540 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 53 proven. 70 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-11-21 23:05:42,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:42,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 121 states and 161 transitions. [2022-11-21 23:05:42,830 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 161 transitions. [2022-11-21 23:05:42,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-21 23:05:42,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:42,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:42,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:05:42,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:05:43,100 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-11-21 23:05:45,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:05:45,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 127 states and 169 transitions. [2022-11-21 23:05:45,815 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 169 transitions. [2022-11-21 23:05:45,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-21 23:05:45,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:05:45,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:05:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:05:53,683 WARN L261 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 210 conjunts are in the unsatisfiable core [2022-11-21 23:05:53,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:05:53,739 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 20 treesize of output 16 [2022-11-21 23:05:53,746 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-21 23:05:53,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 66 [2022-11-21 23:05:53,807 INFO L321 Elim1Store]: treesize reduction 38, result has 29.6 percent of original size [2022-11-21 23:05:53,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 33 treesize of output 37 [2022-11-21 23:05:53,836 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:05:53,837 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-11-21 23:05:54,510 INFO L321 Elim1Store]: treesize reduction 89, result has 27.6 percent of original size [2022-11-21 23:05:54,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 89 treesize of output 118 [2022-11-21 23:05:54,524 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 73 treesize of output 59 [2022-11-21 23:05:54,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:05:54,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 24 [2022-11-21 23:05:55,114 INFO L321 Elim1Store]: treesize reduction 161, result has 31.2 percent of original size [2022-11-21 23:05:55,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 95 treesize of output 138 [2022-11-21 23:05:55,126 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:05:55,127 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2022-11-21 23:05:55,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:05:55,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:05:55,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 24 [2022-11-21 23:05:57,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 119 [2022-11-21 23:05:57,556 INFO L321 Elim1Store]: treesize reduction 219, result has 24.2 percent of original size [2022-11-21 23:05:57,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 86 treesize of output 105 [2022-11-21 23:05:57,576 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:05:57,577 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-11-21 23:05:58,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 133 [2022-11-21 23:05:58,521 INFO L321 Elim1Store]: treesize reduction 309, result has 22.0 percent of original size [2022-11-21 23:05:58,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 15 case distinctions, treesize of input 100 treesize of output 124 [2022-11-21 23:05:58,552 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 8 treesize of output 1 [2022-11-21 23:05:59,740 INFO L321 Elim1Store]: treesize reduction 336, result has 20.4 percent of original size [2022-11-21 23:05:59,740 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 20 case distinctions, treesize of input 123 treesize of output 137 [2022-11-21 23:06:00,891 INFO L321 Elim1Store]: treesize reduction 400, result has 17.7 percent of original size [2022-11-21 23:06:00,892 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 26 case distinctions, treesize of input 137 treesize of output 154 [2022-11-21 23:06:03,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 119 [2022-11-21 23:06:03,445 INFO L321 Elim1Store]: treesize reduction 539, result has 13.5 percent of original size [2022-11-21 23:06:03,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 36 case distinctions, treesize of input 86 treesize of output 125 [2022-11-21 23:06:03,478 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 8 treesize of output 1 [2022-11-21 23:06:04,412 INFO L321 Elim1Store]: treesize reduction 587, result has 12.5 percent of original size [2022-11-21 23:06:04,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 44 case distinctions, treesize of input 115 treesize of output 138 [2022-11-21 23:06:05,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 141 [2022-11-21 23:06:05,540 INFO L321 Elim1Store]: treesize reduction 812, result has 12.0 percent of original size [2022-11-21 23:06:05,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 55 case distinctions, treesize of input 108 treesize of output 157 [2022-11-21 23:06:05,560 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 8 treesize of output 1 [2022-11-21 23:06:06,720 INFO L321 Elim1Store]: treesize reduction 904, result has 10.0 percent of original size [2022-11-21 23:06:06,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 64 case distinctions, treesize of input 145 treesize of output 174 [2022-11-21 23:06:09,986 INFO L321 Elim1Store]: treesize reduction 1170, result has 11.4 percent of original size [2022-11-21 23:06:09,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 78 case distinctions, treesize of input 173 treesize of output 205 [2022-11-21 23:06:10,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 210 treesize of output 194 [2022-11-21 23:06:11,591 INFO L321 Elim1Store]: treesize reduction 1452, result has 10.1 percent of original size [2022-11-21 23:06:11,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 91 case distinctions, treesize of input 161 treesize of output 225 [2022-11-21 23:06:11,627 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:06:11,628 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-11-21 23:06:13,648 INFO L321 Elim1Store]: treesize reduction 1508, result has 9.0 percent of original size [2022-11-21 23:06:13,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 103 case distinctions, treesize of input 201 treesize of output 239 [2022-11-21 23:06:15,663 INFO L321 Elim1Store]: treesize reduction 1292, result has 9.2 percent of original size [2022-11-21 23:06:15,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 117 case distinctions, treesize of input 182 treesize of output 223 [2022-11-21 23:06:44,938 INFO L321 Elim1Store]: treesize reduction 1104, result has 0.1 percent of original size [2022-11-21 23:06:44,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 298 treesize of output 64 [2022-11-21 23:06:45,648 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:08:51,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:08:51,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 170 states and 222 transitions. [2022-11-21 23:08:51,638 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 222 transitions. [2022-11-21 23:08:51,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-21 23:08:51,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:08:51,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:08:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:08:56,188 WARN L261 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 192 conjunts are in the unsatisfiable core [2022-11-21 23:08:56,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:08:56,218 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 20 treesize of output 16 [2022-11-21 23:08:56,248 INFO L321 Elim1Store]: treesize reduction 30, result has 34.8 percent of original size [2022-11-21 23:08:56,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2022-11-21 23:08:56,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 81 [2022-11-21 23:08:56,573 INFO L321 Elim1Store]: treesize reduction 52, result has 23.5 percent of original size [2022-11-21 23:08:56,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 48 treesize of output 57 [2022-11-21 23:08:56,590 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:08:56,590 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-11-21 23:08:57,421 INFO L321 Elim1Store]: treesize reduction 50, result has 24.2 percent of original size [2022-11-21 23:08:57,421 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 4 case distinctions, treesize of input 63 treesize of output 68 [2022-11-21 23:08:59,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 117 [2022-11-21 23:09:00,055 INFO L321 Elim1Store]: treesize reduction 185, result has 26.9 percent of original size [2022-11-21 23:09:00,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 84 treesize of output 103 [2022-11-21 23:09:00,067 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:09:00,068 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-11-21 23:09:00,980 INFO L321 Elim1Store]: treesize reduction 247, result has 24.7 percent of original size [2022-11-21 23:09:00,981 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 15 case distinctions, treesize of input 107 treesize of output 118 [2022-11-21 23:09:02,103 INFO L321 Elim1Store]: treesize reduction 298, result has 22.0 percent of original size [2022-11-21 23:09:02,103 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 20 case distinctions, treesize of input 121 treesize of output 135 [2022-11-21 23:09:03,080 INFO L321 Elim1Store]: treesize reduction 358, result has 19.0 percent of original size [2022-11-21 23:09:03,080 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 26 case distinctions, treesize of input 135 treesize of output 152 [2022-11-21 23:09:06,837 INFO L321 Elim1Store]: treesize reduction 505, result has 21.0 percent of original size [2022-11-21 23:09:06,837 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 36 case distinctions, treesize of input 163 treesize of output 183 [2022-11-21 23:09:08,040 INFO L321 Elim1Store]: treesize reduction 597, result has 18.3 percent of original size [2022-11-21 23:09:08,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 44 case distinctions, treesize of input 177 treesize of output 200 [2022-11-21 23:09:09,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 203 [2022-11-21 23:09:09,417 INFO L321 Elim1Store]: treesize reduction 776, result has 17.2 percent of original size [2022-11-21 23:09:09,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 55 case distinctions, treesize of input 170 treesize of output 219 [2022-11-21 23:09:09,438 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:09:09,439 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-11-21 23:09:10,866 INFO L321 Elim1Store]: treesize reduction 856, result has 14.9 percent of original size [2022-11-21 23:09:10,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 64 case distinctions, treesize of input 207 treesize of output 236 [2022-11-21 23:09:15,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 259 treesize of output 245 [2022-11-21 23:09:15,786 INFO L321 Elim1Store]: treesize reduction 1131, result has 15.0 percent of original size [2022-11-21 23:09:15,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 78 case distinctions, treesize of input 212 treesize of output 271 [2022-11-21 23:09:15,804 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 23:09:15,805 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-11-21 23:09:17,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 260 [2022-11-21 23:09:17,866 INFO L321 Elim1Store]: treesize reduction 1308, result has 13.3 percent of original size [2022-11-21 23:09:17,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 90 case distinctions, treesize of input 227 treesize of output 291 [2022-11-21 23:09:17,902 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 8 treesize of output 1 [2022-11-21 23:09:20,054 INFO L321 Elim1Store]: treesize reduction 1327, result has 13.1 percent of original size [2022-11-21 23:09:20,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 103 case distinctions, treesize of input 263 treesize of output 301 [2022-11-21 23:09:21,998 INFO L321 Elim1Store]: treesize reduction 1214, result has 9.6 percent of original size [2022-11-21 23:09:21,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 117 case distinctions, treesize of input 180 treesize of output 221 [2022-11-21 23:09:51,695 INFO L321 Elim1Store]: treesize reduction 1032, result has 0.1 percent of original size [2022-11-21 23:09:51,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 296 treesize of output 64 [2022-11-21 23:09:51,728 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:10:37,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:10:37,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 172 states and 223 transitions. [2022-11-21 23:10:37,529 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 223 transitions. [2022-11-21 23:10:37,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-21 23:10:37,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:10:37,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:10:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:10:37,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:10:37,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:10:42,290 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 132 proven. 40 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-11-21 23:11:01,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:01,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 179 states and 247 transitions. [2022-11-21 23:11:01,761 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 247 transitions. [2022-11-21 23:11:01,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-21 23:11:01,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:01,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:01,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:11:01,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:11:02,003 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 132 proven. 40 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-11-21 23:11:04,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:04,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 180 states and 247 transitions. [2022-11-21 23:11:04,026 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 247 transitions. [2022-11-21 23:11:04,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-21 23:11:04,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:04,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:04,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:11:04,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:11:04,279 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 132 proven. 40 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-11-21 23:11:05,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:05,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 181 states and 247 transitions. [2022-11-21 23:11:05,900 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 247 transitions. [2022-11-21 23:11:05,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-21 23:11:05,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:05,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:05,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:11:05,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:11:06,129 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 132 proven. 40 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-11-21 23:11:08,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:08,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 182 states and 247 transitions. [2022-11-21 23:11:08,131 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 247 transitions. [2022-11-21 23:11:08,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-21 23:11:08,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:08,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:08,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:11:08,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:11:08,416 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 138 proven. 70 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-11-21 23:11:24,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:24,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 189 states and 257 transitions. [2022-11-21 23:11:24,738 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 257 transitions. [2022-11-21 23:11:24,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-21 23:11:24,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:24,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:24,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:11:24,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:11:24,997 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 138 proven. 70 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-11-21 23:11:26,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:26,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 190 states and 257 transitions. [2022-11-21 23:11:26,760 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 257 transitions. [2022-11-21 23:11:26,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-21 23:11:26,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:26,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:26,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:11:26,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:11:27,069 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 82 proven. 100 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-11-21 23:11:45,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:45,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 197 states and 267 transitions. [2022-11-21 23:11:45,378 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 267 transitions. [2022-11-21 23:11:45,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-21 23:11:45,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:45,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:45,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:11:45,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:11:45,641 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 82 proven. 100 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-11-21 23:11:47,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:47,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 198 states and 267 transitions. [2022-11-21 23:11:47,245 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 267 transitions. [2022-11-21 23:11:47,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-21 23:11:47,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:47,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:47,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:11:47,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:11:51,654 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 10 proven. 231 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 23:12:09,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:09,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 205 states and 278 transitions. [2022-11-21 23:12:09,932 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 278 transitions. [2022-11-21 23:12:09,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-21 23:12:09,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:09,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:10,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:12:10,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:10,160 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 10 proven. 231 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-21 23:12:11,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:11,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 206 states and 278 transitions. [2022-11-21 23:12:11,865 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 278 transitions. [2022-11-21 23:12:11,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-21 23:12:11,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:11,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:11,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:12:11,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:12,095 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 157 proven. 23 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2022-11-21 23:12:17,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:17,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 209 states and 281 transitions. [2022-11-21 23:12:17,114 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 281 transitions. [2022-11-21 23:12:17,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-21 23:12:17,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:17,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:17,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:12:17,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:17,352 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 157 proven. 23 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2022-11-21 23:12:18,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:18,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 183 states and 235 transitions. [2022-11-21 23:12:18,991 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 235 transitions. [2022-11-21 23:12:18,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-21 23:12:18,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:18,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:19,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:12:19,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:19,328 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 94 proven. 135 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2022-11-21 23:12:40,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:40,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 189 states and 243 transitions. [2022-11-21 23:12:40,029 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 243 transitions. [2022-11-21 23:12:40,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-21 23:12:40,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:40,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:40,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:12:40,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:40,338 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 161 proven. 135 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2022-11-21 23:12:58,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:58,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 185 states and 234 transitions. [2022-11-21 23:12:58,764 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 234 transitions. [2022-11-21 23:12:58,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-21 23:12:58,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:58,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:58,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:12:58,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:59,121 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 166 proven. 135 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-11-21 23:13:19,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:19,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 186 states and 234 transitions. [2022-11-21 23:13:19,779 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 234 transitions. [2022-11-21 23:13:19,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-21 23:13:19,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:19,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:19,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:13:19,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:13:20,150 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 109 proven. 135 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2022-11-21 23:13:37,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:37,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 187 states and 233 transitions. [2022-11-21 23:13:37,835 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 233 transitions. [2022-11-21 23:13:37,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-21 23:13:37,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:37,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:37,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:13:37,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:13:38,235 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 15 proven. 351 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-11-21 23:13:43,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:43,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 194 states and 242 transitions. [2022-11-21 23:13:43,838 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 242 transitions. [2022-11-21 23:13:43,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-21 23:13:43,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:43,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-11-21 23:13:54,031 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 23:13:54,034 INFO L158 Benchmark]: Toolchain (without parser) took 670118.71ms. Allocated memory was 134.2MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 67.4MB in the beginning and 2.3GB in the end (delta: -2.3GB). Peak memory consumption was 288.6MB. Max. memory is 16.1GB. [2022-11-21 23:13:54,034 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:13:54,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.09ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 67.2MB in the beginning and 137.0MB in the end (delta: -69.8MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2022-11-21 23:13:54,035 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.06ms. Allocated memory is still 169.9MB. Free memory was 137.0MB in the beginning and 134.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:13:54,035 INFO L158 Benchmark]: Boogie Preprocessor took 45.74ms. Allocated memory is still 169.9MB. Free memory was 134.9MB in the beginning and 134.1MB in the end (delta: 789.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:13:54,036 INFO L158 Benchmark]: RCFGBuilder took 481.79ms. Allocated memory is still 169.9MB. Free memory was 134.1MB in the beginning and 118.9MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:13:54,036 INFO L158 Benchmark]: CodeCheck took 669210.47ms. Allocated memory was 169.9MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 118.1MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 302.0MB. Max. memory is 16.1GB. [2022-11-21 23:13:54,038 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.09ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 67.2MB in the beginning and 137.0MB in the end (delta: -69.8MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.06ms. Allocated memory is still 169.9MB. Free memory was 137.0MB in the beginning and 134.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.74ms. Allocated memory is still 169.9MB. Free memory was 134.9MB in the beginning and 134.1MB in the end (delta: 789.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 481.79ms. Allocated memory is still 169.9MB. Free memory was 134.1MB in the beginning and 118.9MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 669210.47ms. Allocated memory was 169.9MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 118.1MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 302.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:13:54,250 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2022-11-21 23:13:54,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array27_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8e2a4cc1bd1815c470836bbbcc9d3775eac69b651b7231d974ae63a065851dd1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:13:56,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:13:56,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:13:56,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:13:56,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:13:56,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:13:56,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:13:56,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:13:56,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:13:56,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:13:56,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:13:56,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:13:56,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:13:56,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:13:56,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:13:56,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:13:56,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:13:56,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:13:56,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:13:56,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:13:56,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:13:56,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:13:56,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:13:56,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:13:56,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:13:56,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:13:56,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:13:56,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:13:56,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:13:56,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:13:56,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:13:56,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:13:56,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:13:56,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:13:56,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:13:56,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:13:56,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:13:56,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:13:56,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:13:56,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:13:56,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:13:56,784 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-11-21 23:13:56,821 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:13:56,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:13:56,824 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:13:56,824 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:13:56,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:13:56,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:13:56,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:13:56,826 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:13:56,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:13:56,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:13:56,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:13:56,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:13:56,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:13:56,828 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:13:56,829 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:13:56,829 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:13:56,829 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:13:56,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:13:56,830 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:13:56,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:13:56,830 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:13:56,830 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:13:56,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:13:56,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:13:56,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:13:56,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:13:56,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:13:56,832 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:13:56,832 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:13:56,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:13:56,833 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:13:56,833 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:13:56,834 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e2a4cc1bd1815c470836bbbcc9d3775eac69b651b7231d974ae63a065851dd1 [2022-11-21 23:13:57,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:13:57,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:13:57,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:13:57,252 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:13:57,252 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:13:57,253 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/array-patterns/array27_pattern.c [2022-11-21 23:14:00,473 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:14:00,727 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:14:00,728 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/sv-benchmarks/c/array-patterns/array27_pattern.c [2022-11-21 23:14:00,738 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/data/1654d479a/c1779f85462d4faeba5f7cb570698b6d/FLAGe205a19fc [2022-11-21 23:14:00,758 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/data/1654d479a/c1779f85462d4faeba5f7cb570698b6d [2022-11-21 23:14:00,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:14:00,765 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:14:00,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:14:00,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:14:00,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:14:00,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:14:00" (1/1) ... [2022-11-21 23:14:00,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e1cbb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:14:00, skipping insertion in model container [2022-11-21 23:14:00,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:14:00" (1/1) ... [2022-11-21 23:14:00,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:14:00,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:14:01,011 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_5695a45a-3aec-441a-87fc-36b98654337b/sv-benchmarks/c/array-patterns/array27_pattern.c[1253,1266] [2022-11-21 23:14:01,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:14:01,058 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:14:01,074 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_5695a45a-3aec-441a-87fc-36b98654337b/sv-benchmarks/c/array-patterns/array27_pattern.c[1253,1266] [2022-11-21 23:14:01,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:14:01,118 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:14:01,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:14:01 WrapperNode [2022-11-21 23:14:01,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:14:01,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:14:01,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:14:01,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:14:01,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:14:01" (1/1) ... [2022-11-21 23:14:01,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:14:01" (1/1) ... [2022-11-21 23:14:01,178 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-11-21 23:14:01,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:14:01,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:14:01,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:14:01,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:14:01,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:14:01" (1/1) ... [2022-11-21 23:14:01,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:14:01" (1/1) ... [2022-11-21 23:14:01,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:14:01" (1/1) ... [2022-11-21 23:14:01,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:14:01" (1/1) ... [2022-11-21 23:14:01,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:14:01" (1/1) ... [2022-11-21 23:14:01,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:14:01" (1/1) ... [2022-11-21 23:14:01,215 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:14:01" (1/1) ... [2022-11-21 23:14:01,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:14:01" (1/1) ... [2022-11-21 23:14:01,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:14:01,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:14:01,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:14:01,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:14:01,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:14:01" (1/1) ... [2022-11-21 23:14:01,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:14:01,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:14:01,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:14:01,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:14:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:14:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 23:14:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:14:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 23:14:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:14:01,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:14:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:14:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 23:14:01,411 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:14:01,413 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:14:01,912 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:14:01,978 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:14:01,979 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 23:14:01,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:14:01 BoogieIcfgContainer [2022-11-21 23:14:01,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:14:01,982 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:14:01,983 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:14:01,992 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:14:01,993 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:14:01" (1/1) ... [2022-11-21 23:14:02,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:14:02,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:14:02,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2022-11-21 23:14:02,056 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2022-11-21 23:14:02,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:14:02,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:14:02,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:14:02,106 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 23:14:02,113 INFO L158 Benchmark]: Toolchain (without parser) took 1346.99ms. Allocated memory is still 81.8MB. Free memory was 59.3MB in the beginning and 39.3MB in the end (delta: 20.0MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2022-11-21 23:14:02,113 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 56.6MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:14:02,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.71ms. Allocated memory is still 81.8MB. Free memory was 59.1MB in the beginning and 48.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:14:02,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.89ms. Allocated memory is still 81.8MB. Free memory was 47.9MB in the beginning and 46.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:14:02,116 INFO L158 Benchmark]: Boogie Preprocessor took 39.27ms. Allocated memory is still 81.8MB. Free memory was 46.2MB in the beginning and 45.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:14:02,117 INFO L158 Benchmark]: RCFGBuilder took 761.99ms. Allocated memory is still 81.8MB. Free memory was 44.8MB in the beginning and 45.2MB in the end (delta: -466.3kB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2022-11-21 23:14:02,118 INFO L158 Benchmark]: CodeCheck took 128.81ms. Allocated memory is still 81.8MB. Free memory was 45.2MB in the beginning and 39.3MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 23:14:02,127 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 56.6MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.71ms. Allocated memory is still 81.8MB. Free memory was 59.1MB in the beginning and 48.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.89ms. Allocated memory is still 81.8MB. Free memory was 47.9MB in the beginning and 46.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.27ms. Allocated memory is still 81.8MB. Free memory was 46.2MB in the beginning and 45.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 761.99ms. Allocated memory is still 81.8MB. Free memory was 44.8MB in the beginning and 45.2MB in the end (delta: -466.3kB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * CodeCheck took 128.81ms. Allocated memory is still 81.8MB. Free memory was 45.2MB in the beginning and 39.3MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:14:02,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5695a45a-3aec-441a-87fc-36b98654337b/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared