./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array9_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_28461f9a-2407-4a0d-8412-a03af54e1104/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28461f9a-2407-4a0d-8412-a03af54e1104/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_28461f9a-2407-4a0d-8412-a03af54e1104/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28461f9a-2407-4a0d-8412-a03af54e1104/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array9_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28461f9a-2407-4a0d-8412-a03af54e1104/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_28461f9a-2407-4a0d-8412-a03af54e1104/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 8ae6792b63619c19d32145c9c656ded5ce2ab653945337eaf95cf4eb94965d3b --- 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 23:11:43,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:11:43,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:11:43,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:11:43,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:11:43,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:11:43,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:11:43,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:11:43,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:11:43,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:11:43,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:11:43,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:11:43,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:11:43,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:11:43,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:11:43,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:11:43,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:11:43,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:11:43,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:11:43,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:11:43,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:11:43,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:11:43,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:11:43,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:11:43,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:11:43,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:11:43,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:11:43,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:11:43,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:11:43,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:11:43,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:11:43,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:11:43,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:11:43,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:11:43,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:11:43,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:11:43,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:11:43,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:11:43,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:11:43,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:11:43,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:11:43,428 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28461f9a-2407-4a0d-8412-a03af54e1104/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-21 23:11:43,449 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:11:43,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:11:43,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:11:43,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:11:43,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:11:43,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:11:43,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:11:43,452 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:11:43,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:11:43,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:11:43,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:11:43,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:11:43,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:11:43,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:11:43,454 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:11:43,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:11:43,455 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:11:43,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:11:43,455 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:11:43,455 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:11:43,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:11:43,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:11:43,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:11:43,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:11:43,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:11:43,457 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:11:43,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:11:43,458 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:11:43,458 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_28461f9a-2407-4a0d-8412-a03af54e1104/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28461f9a-2407-4a0d-8412-a03af54e1104/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ae6792b63619c19d32145c9c656ded5ce2ab653945337eaf95cf4eb94965d3b [2022-11-21 23:11:43,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:11:43,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:11:43,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:11:43,788 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:11:43,789 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:11:43,791 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28461f9a-2407-4a0d-8412-a03af54e1104/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/array-patterns/array9_pattern.c [2022-11-21 23:11:46,891 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:11:47,118 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:11:47,121 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28461f9a-2407-4a0d-8412-a03af54e1104/sv-benchmarks/c/array-patterns/array9_pattern.c [2022-11-21 23:11:47,129 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28461f9a-2407-4a0d-8412-a03af54e1104/bin/ukojak-jW3SillKbg/data/3672c9c38/bf799769cd0a4aa5a1d4e80f1cb348f1/FLAG7dbfe15d5 [2022-11-21 23:11:47,148 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28461f9a-2407-4a0d-8412-a03af54e1104/bin/ukojak-jW3SillKbg/data/3672c9c38/bf799769cd0a4aa5a1d4e80f1cb348f1 [2022-11-21 23:11:47,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:11:47,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:11:47,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:11:47,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:11:47,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:11:47,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:11:47" (1/1) ... [2022-11-21 23:11:47,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@640f3ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:47, skipping insertion in model container [2022-11-21 23:11:47,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:11:47" (1/1) ... [2022-11-21 23:11:47,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:11:47,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:11:47,434 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_28461f9a-2407-4a0d-8412-a03af54e1104/sv-benchmarks/c/array-patterns/array9_pattern.c[1352,1365] [2022-11-21 23:11:47,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:11:47,479 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:11:47,494 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_28461f9a-2407-4a0d-8412-a03af54e1104/sv-benchmarks/c/array-patterns/array9_pattern.c[1352,1365] [2022-11-21 23:11:47,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:11:47,520 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:11:47,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:47 WrapperNode [2022-11-21 23:11:47,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:11:47,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:11:47,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:11:47,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:11:47,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:47" (1/1) ... [2022-11-21 23:11:47,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:47" (1/1) ... [2022-11-21 23:11:47,571 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2022-11-21 23:11:47,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:11:47,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:11:47,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:11:47,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:11:47,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:47" (1/1) ... [2022-11-21 23:11:47,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:47" (1/1) ... [2022-11-21 23:11:47,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:47" (1/1) ... [2022-11-21 23:11:47,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:47" (1/1) ... [2022-11-21 23:11:47,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:47" (1/1) ... [2022-11-21 23:11:47,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:47" (1/1) ... [2022-11-21 23:11:47,603 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:47" (1/1) ... [2022-11-21 23:11:47,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:47" (1/1) ... [2022-11-21 23:11:47,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:11:47,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:11:47,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:11:47,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:11:47,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:11:47" (1/1) ... [2022-11-21 23:11:47,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:11:47,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28461f9a-2407-4a0d-8412-a03af54e1104/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:11:47,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28461f9a-2407-4a0d-8412-a03af54e1104/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:11:47,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28461f9a-2407-4a0d-8412-a03af54e1104/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:11:47,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:11:47,711 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 23:11:47,712 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 23:11:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:11:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:11:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:11:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:11:47,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:11:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:11:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:11:47,805 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:11:47,807 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:11:48,058 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:11:48,188 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:11:48,188 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 23:11:48,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:11:48 BoogieIcfgContainer [2022-11-21 23:11:48,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:11:48,192 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:11:48,192 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:11:48,213 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:11:48,213 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:11:48" (1/1) ... [2022-11-21 23:11:48,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:11:48,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:48,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2022-11-21 23:11:48,305 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2022-11-21 23:11:48,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:11:48,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:48,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:48,498 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 23:11:48,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:48,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2022-11-21 23:11:48,533 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-21 23:11:48,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:11:48,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:48,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:48,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 23:11:48,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:11:48,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:11:48,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:48,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2022-11-21 23:11:48,805 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-11-21 23:11:48,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:11:48,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:48,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:48,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 23:11:48,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:11:48,978 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:11:49,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:49,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2022-11-21 23:11:49,214 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2022-11-21 23:11:49,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:11:49,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:49,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:49,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-21 23:11:49,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:11:49,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-21 23:11:49,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:11:49,555 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 14 treesize of output 14 [2022-11-21 23:11:49,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 [2022-11-21 23:11:50,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:11:50,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 70 [2022-11-21 23:11:50,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 71 treesize of output 67 [2022-11-21 23:11:50,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:11:50,190 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-21 23:11:50,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 11 [2022-11-21 23:11:50,241 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-21 23:11:50,495 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:11:50,502 INFO L321 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-11-21 23:11:50,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 15 [2022-11-21 23:11:50,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:11:52,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:52,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2022-11-21 23:11:52,221 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2022-11-21 23:11:52,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:11:52,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:52,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:52,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 23:11:52,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:11:52,485 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:11:53,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:11:53,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2022-11-21 23:11:53,844 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2022-11-21 23:11:53,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:11:53,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:11:53,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:11:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:11:53,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 69 conjunts are in the unsatisfiable core [2022-11-21 23:11:53,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:11:53,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-21 23:11:54,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:11:54,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-21 23:11:54,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 20 treesize of output 20 [2022-11-21 23:11:54,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 [2022-11-21 23:11:54,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 [2022-11-21 23:11:54,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:11:54,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:11:54,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39 [2022-11-21 23:11:55,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:11:55,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:11:55,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:11:55,250 INFO L321 Elim1Store]: treesize reduction 60, result has 56.2 percent of original size [2022-11-21 23:11:55,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 108 treesize of output 139 [2022-11-21 23:11:56,164 INFO L321 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-11-21 23:11:56,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 85 treesize of output 41 [2022-11-21 23:11:56,273 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:12:00,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:00,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2022-11-21 23:12:00,203 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2022-11-21 23:12:00,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:12:00,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:00,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:00,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 23:12:00,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:00,692 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:12:03,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:03,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 78 transitions. [2022-11-21 23:12:03,792 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2022-11-21 23:12:03,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:12:03,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:03,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:03,869 WARN L261 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 83 conjunts are in the unsatisfiable core [2022-11-21 23:12:03,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:03,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-21 23:12:03,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:03,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-21 23:12:03,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 20 treesize of output 20 [2022-11-21 23:12:03,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 [2022-11-21 23:12:03,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 [2022-11-21 23:12:04,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:04,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:04,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 45 [2022-11-21 23:12:04,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:04,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:04,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:04,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:04,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 63 [2022-11-21 23:12:05,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:05,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:05,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:05,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:05,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:05,449 INFO L321 Elim1Store]: treesize reduction 92, result has 56.0 percent of original size [2022-11-21 23:12:05,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 126 treesize of output 185 [2022-11-21 23:12:08,328 INFO L321 Elim1Store]: treesize reduction 20, result has 80.6 percent of original size [2022-11-21 23:12:08,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 233 treesize of output 185 [2022-11-21 23:12:09,149 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:12:17,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:17,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 61 states and 97 transitions. [2022-11-21 23:12:17,927 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 97 transitions. [2022-11-21 23:12:17,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:12:17,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:17,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:18,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 68 conjunts are in the unsatisfiable core [2022-11-21 23:12:18,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:18,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-21 23:12:18,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:18,078 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 14 treesize of output 14 [2022-11-21 23:12:18,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 [2022-11-21 23:12:18,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:18,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 73 [2022-11-21 23:12:18,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 74 treesize of output 70 [2022-11-21 23:12:18,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:12:18,741 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 43 [2022-11-21 23:12:18,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2022-11-21 23:12:18,768 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-21 23:12:19,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:19,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:12:19,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:12:19,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 57 [2022-11-21 23:12:20,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:12:20,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 12 [2022-11-21 23:12:20,339 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:12:23,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:23,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 55 states and 83 transitions. [2022-11-21 23:12:23,152 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2022-11-21 23:12:23,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 23:12:23,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:23,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:23,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:12:23,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:24,276 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:12:33,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:12:33,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 65 states and 102 transitions. [2022-11-21 23:12:33,914 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 102 transitions. [2022-11-21 23:12:33,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:12:33,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:12:33,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:12:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:12:34,080 WARN L261 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 94 conjunts are in the unsatisfiable core [2022-11-21 23:12:34,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:12:34,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-21 23:12:34,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:34,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-21 23:12:34,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 20 treesize of output 20 [2022-11-21 23:12:34,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 [2022-11-21 23:12:34,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 [2022-11-21 23:12:34,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:34,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:34,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 45 [2022-11-21 23:12:34,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:34,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:34,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:34,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:34,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 75 [2022-11-21 23:12:34,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:34,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:34,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:34,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:34,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:34,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:34,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 87 [2022-11-21 23:12:36,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:36,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:36,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:36,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:36,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:36,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:36,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:12:36,647 INFO L321 Elim1Store]: treesize reduction 156, result has 44.5 percent of original size [2022-11-21 23:12:36,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 13 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 144 treesize of output 199 [2022-11-21 23:12:40,856 INFO L321 Elim1Store]: treesize reduction 20, result has 85.0 percent of original size [2022-11-21 23:12:40,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 7 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 13 case distinctions, treesize of input 258 treesize of output 224 [2022-11-21 23:12:43,395 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:13:04,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:04,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 74 states and 120 transitions. [2022-11-21 23:13:04,640 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 120 transitions. [2022-11-21 23:13:04,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 23:13:04,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:04,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:04,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 87 conjunts are in the unsatisfiable core [2022-11-21 23:13:04,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:13:04,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-21 23:13:04,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:04,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-21 23:13:04,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 20 treesize of output 20 [2022-11-21 23:13:04,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 [2022-11-21 23:13:04,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 [2022-11-21 23:13:04,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:04,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:04,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39 [2022-11-21 23:13:06,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:06,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:06,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:06,717 INFO L321 Elim1Store]: treesize reduction 82, result has 42.7 percent of original size [2022-11-21 23:13:06,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 114 treesize of output 126 [2022-11-21 23:13:08,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:08,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:13:08,366 INFO L321 Elim1Store]: treesize reduction 304, result has 23.2 percent of original size [2022-11-21 23:13:08,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 159 treesize of output 178 [2022-11-21 23:13:10,309 INFO L321 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-11-21 23:13:10,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 130 treesize of output 66 [2022-11-21 23:13:10,364 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:13:21,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:21,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 85 states and 141 transitions. [2022-11-21 23:13:21,248 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 141 transitions. [2022-11-21 23:13:21,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 23:13:21,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:21,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:21,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 23:13:21,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:13:23,278 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:13:42,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:13:42,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 96 states and 166 transitions. [2022-11-21 23:13:42,466 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 166 transitions. [2022-11-21 23:13:42,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 23:13:42,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:13:42,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:13:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:13:42,612 WARN L261 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 118 conjunts are in the unsatisfiable core [2022-11-21 23:13:42,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:13:42,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-21 23:13:42,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:42,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-21 23:13:42,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 [2022-11-21 23:13:42,706 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 19 treesize of output 18 [2022-11-21 23:13:43,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:43,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:43,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39 [2022-11-21 23:13:43,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:43,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:43,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:43,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:43,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:43,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:43,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 69 [2022-11-21 23:13:43,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:43,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:43,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:43,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:43,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:43,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:43,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 87 [2022-11-21 23:13:44,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:44,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:44,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:44,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:44,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:44,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:44,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:44,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:44,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 111 [2022-11-21 23:13:47,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:47,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:47,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:47,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:47,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:47,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:47,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:47,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:47,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:13:48,027 INFO L321 Elim1Store]: treesize reduction 188, result has 46.7 percent of original size [2022-11-21 23:13:48,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 21 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 162 treesize of output 245 [2022-11-21 23:13:54,123 INFO L321 Elim1Store]: treesize reduction 37, result has 9.8 percent of original size [2022-11-21 23:13:54,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 303 treesize of output 135 [2022-11-21 23:13:54,590 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:14:27,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:14:27,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 107 states and 191 transitions. [2022-11-21 23:14:27,851 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 191 transitions. [2022-11-21 23:14:27,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 23:14:27,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:14:27,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:14:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:14:28,039 WARN L261 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 112 conjunts are in the unsatisfiable core [2022-11-21 23:14:28,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:14:28,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-21 23:14:28,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:14:28,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2022-11-21 23:14:28,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 20 treesize of output 20 [2022-11-21 23:14:28,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 [2022-11-21 23:14:28,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 [2022-11-21 23:14:28,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:14:28,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:14:28,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 45 [2022-11-21 23:14:28,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:14:28,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:14:28,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:14:28,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:14:28,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 63 [2022-11-21 23:14:31,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:14:31,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:14:31,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:14:31,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:14:31,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:14:31,208 INFO L321 Elim1Store]: treesize reduction 134, result has 38.5 percent of original size [2022-11-21 23:14:31,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 7 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 132 treesize of output 155 [2022-11-21 23:14:35,046 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:14:35,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:14:35,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:14:35,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:14:35,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:14:35,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:14:35,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:14:35,301 INFO L321 Elim1Store]: treesize reduction 466, result has 19.4 percent of original size [2022-11-21 23:14:35,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 226 treesize of output 219 [2022-11-21 23:14:40,257 INFO L321 Elim1Store]: treesize reduction 112, result has 36.7 percent of original size [2022-11-21 23:14:40,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 250 treesize of output 178 [2022-11-21 23:14:41,419 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:15:09,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:15:09,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 119 states and 214 transitions. [2022-11-21 23:15:09,937 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 214 transitions. [2022-11-21 23:15:09,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:15:09,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:15:09,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:15:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:15:10,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-21 23:15:10,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:15:13,611 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 23 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:15:20,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:15:20,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 120 states and 217 transitions. [2022-11-21 23:15:20,917 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 217 transitions. [2022-11-21 23:15:20,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:15:20,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:15:20,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:15:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:15:21,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-21 23:15:21,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:15:24,684 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 17 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:15:56,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:15:56,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 131 states and 244 transitions. [2022-11-21 23:15:56,522 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 244 transitions. [2022-11-21 23:15:56,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 23:15:56,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:15:56,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:15:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:15:56,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 23:15:56,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:15:58,709 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:16:21,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:16:21,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 140 states and 257 transitions. [2022-11-21 23:16:21,051 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 257 transitions. [2022-11-21 23:16:21,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 23:16:21,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:16:21,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:16:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:16:21,194 WARN L261 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 128 conjunts are in the unsatisfiable core [2022-11-21 23:16:21,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:16:21,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-21 23:16:21,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:21,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2022-11-21 23:16:21,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 12 [2022-11-21 23:16:21,255 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 29 treesize of output 28 [2022-11-21 23:16:21,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:21,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:21,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39 [2022-11-21 23:16:21,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:21,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:21,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:21,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:21,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 75 [2022-11-21 23:16:22,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:22,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:22,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:22,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:22,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:22,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:22,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 87 [2022-11-21 23:16:22,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:22,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:22,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:22,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:22,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:22,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:22,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:22,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:22,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 111 [2022-11-21 23:16:23,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:23,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:23,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:23,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:23,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:23,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:23,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:23,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:23,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:23,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:23,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 31 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 135 [2022-11-21 23:16:27,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:27,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:27,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:27,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:27,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:27,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:27,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:27,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:27,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:27,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:27,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:16:28,017 INFO L321 Elim1Store]: treesize reduction 220, result has 48.2 percent of original size [2022-11-21 23:16:28,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 31 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 18 case distinctions, treesize of input 180 treesize of output 291 [2022-11-21 23:17:20,011 INFO L321 Elim1Store]: treesize reduction 40, result has 79.3 percent of original size [2022-11-21 23:17:20,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 16 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 19 case distinctions, treesize of input 435 treesize of output 341 [2022-11-21 23:17:30,110 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 1 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:18:27,625 WARN L233 SmtUtils]: Spent 6.09s on a formula simplification. DAG size of input: 132 DAG size of output: 111 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 23:19:32,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 23:19:51,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:19:51,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 151 states and 281 transitions. [2022-11-21 23:19:51,165 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 281 transitions. [2022-11-21 23:19:51,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 23:19:51,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:19:51,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:19:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:19:51,389 WARN L261 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 128 conjunts are in the unsatisfiable core [2022-11-21 23:19:51,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:19:51,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-21 23:19:51,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:19:51,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2022-11-21 23:19:51,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 12 [2022-11-21 23:19:51,454 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 29 treesize of output 28 [2022-11-21 23:19:51,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:19:51,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:19:51,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 45 [2022-11-21 23:19:51,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:19:51,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:19:51,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:19:51,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:19:51,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 75 [2022-11-21 23:19:52,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:19:52,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:19:52,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:19:52,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:19:52,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:19:52,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:19:52,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 87 [2022-11-21 23:19:56,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:19:56,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:19:56,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:19:56,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:19:56,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:19:56,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:19:56,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:19:56,984 INFO L321 Elim1Store]: treesize reduction 185, result has 36.9 percent of original size [2022-11-21 23:19:56,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 13 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 150 treesize of output 185 [2022-11-21 23:20:03,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:20:03,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:20:03,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:20:03,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:20:03,430 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:20:03,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:20:03,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:20:03,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:20:03,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:20:03,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:20:03,771 INFO L321 Elim1Store]: treesize reduction 632, result has 17.7 percent of original size [2022-11-21 23:20:03,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 299 treesize of output 270 [2022-11-21 23:20:19,477 INFO L321 Elim1Store]: treesize reduction 196, result has 45.1 percent of original size [2022-11-21 23:20:19,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 6 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 474 treesize of output 384 [2022-11-21 23:20:41,455 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:45,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:45,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 162 states and 304 transitions. [2022-11-21 23:21:45,167 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 304 transitions. [2022-11-21 23:21:45,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 23:21:45,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:45,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:45,328 WARN L261 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 131 conjunts are in the unsatisfiable core [2022-11-21 23:21:45,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:21:45,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-21 23:21:45,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:45,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2022-11-21 23:21:45,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 30 treesize of output 30 [2022-11-21 23:21:45,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 12 [2022-11-21 23:21:45,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 12 [2022-11-21 23:21:45,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:45,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:45,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39 [2022-11-21 23:21:45,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:45,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:45,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:45,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:45,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 75 [2022-11-21 23:21:45,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:45,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:45,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:45,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:45,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:45,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:45,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 87 [2022-11-21 23:21:47,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:47,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:47,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:47,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:47,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:47,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:47,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:47,307 INFO L321 Elim1Store]: treesize reduction 185, result has 36.9 percent of original size [2022-11-21 23:21:47,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 13 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 150 treesize of output 185 [2022-11-21 23:21:49,740 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:21:49,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:21:49,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:49,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:49,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:21:49,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:49,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:49,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:21:49,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:21:49,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:21:50,129 INFO L321 Elim1Store]: treesize reduction 632, result has 17.7 percent of original size [2022-11-21 23:21:50,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 299 treesize of output 270 [2022-11-21 23:22:03,654 INFO L321 Elim1Store]: treesize reduction 196, result has 45.1 percent of original size [2022-11-21 23:22:03,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 6 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 474 treesize of output 384 [2022-11-21 23:22:27,483 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:40,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:40,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 165 states and 310 transitions. [2022-11-21 23:22:40,393 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 310 transitions. [2022-11-21 23:22:40,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 23:22:40,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:40,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:40,615 WARN L261 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 129 conjunts are in the unsatisfiable core [2022-11-21 23:22:40,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:22:40,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-21 23:22:40,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:40,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2022-11-21 23:22:40,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 12 [2022-11-21 23:22:40,672 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 29 treesize of output 28 [2022-11-21 23:22:40,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:40,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:40,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39 [2022-11-21 23:22:40,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:40,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:40,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:40,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:40,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 63 [2022-11-21 23:22:41,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:41,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:41,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:41,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:41,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:41,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:41,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 87 [2022-11-21 23:22:43,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:43,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:43,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:43,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:43,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:43,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:43,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:43,481 INFO L321 Elim1Store]: treesize reduction 185, result has 36.9 percent of original size [2022-11-21 23:22:43,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 13 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 12 case distinctions, treesize of input 150 treesize of output 185 [2022-11-21 23:22:46,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:22:46,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:22:46,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:46,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:46,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:22:46,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:46,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:46,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:22:46,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:22:46,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 23:22:47,220 INFO L321 Elim1Store]: treesize reduction 632, result has 17.7 percent of original size [2022-11-21 23:22:47,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 299 treesize of output 270 [2022-11-21 23:22:57,152 INFO L321 Elim1Store]: treesize reduction 196, result has 45.1 percent of original size [2022-11-21 23:22:57,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 6 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 474 treesize of output 384 [2022-11-21 23:23:10,758 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:40,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 23:23:40,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:40,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 170 states and 317 transitions. [2022-11-21 23:23:40,434 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 317 transitions. [2022-11-21 23:23:40,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 23:23:40,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:40,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:40,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-21 23:23:40,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:23:47,386 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:58,735 WARN L233 SmtUtils]: Spent 5.87s on a formula simplification. DAG size of input: 121 DAG size of output: 120 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 23:25:42,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 23:25:56,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 23:26:20,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:26:20,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 183 states and 347 transitions. [2022-11-21 23:26:20,696 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 347 transitions. [2022-11-21 23:26:20,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 23:26:20,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:26:20,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:26:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:26:20,949 WARN L261 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 116 conjunts are in the unsatisfiable core [2022-11-21 23:26:20,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 23:26:20,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-21 23:26:20,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:26:20,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2022-11-21 23:26:20,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 12 [2022-11-21 23:26:21,002 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 29 treesize of output 28 [2022-11-21 23:26:21,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:26:21,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 23:26:21,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39