./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array11_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b06be5a7-1715-4d71-9a83-2f3c84216a03/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b06be5a7-1715-4d71-9a83-2f3c84216a03/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_b06be5a7-1715-4d71-9a83-2f3c84216a03/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b06be5a7-1715-4d71-9a83-2f3c84216a03/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array11_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b06be5a7-1715-4d71-9a83-2f3c84216a03/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_b06be5a7-1715-4d71-9a83-2f3c84216a03/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 c3ac08a3f6fb5579b9b2ae158efc8988dd3312e617d74223198803ffe0b335cb --- 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 22:34:01,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:34:01,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:34:01,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:34:01,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:34:01,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:34:01,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:34:01,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:34:01,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:34:01,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:34:01,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:34:01,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:34:01,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:34:01,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:34:01,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:34:01,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:34:01,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:34:01,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:34:01,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:34:01,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:34:01,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:34:01,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:34:01,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:34:01,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:34:01,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:34:01,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:34:01,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:34:01,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:34:01,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:34:01,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:34:01,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:34:01,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:34:01,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:34:01,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:34:01,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:34:01,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:34:01,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:34:01,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:34:01,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:34:01,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:34:01,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:34:01,918 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b06be5a7-1715-4d71-9a83-2f3c84216a03/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-21 22:34:01,971 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:34:01,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:34:01,973 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:34:01,973 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:34:01,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:34:01,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:34:01,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:34:01,975 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:34:01,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:34:01,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:34:01,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:34:01,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:34:01,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:34:01,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:34:01,979 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:34:01,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:34:01,979 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:34:01,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:34:01,980 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:34:01,981 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:34:01,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:34:01,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:34:01,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:34:01,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:34:01,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:34:01,983 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:34:01,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:34:01,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:34:01,984 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_b06be5a7-1715-4d71-9a83-2f3c84216a03/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b06be5a7-1715-4d71-9a83-2f3c84216a03/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3ac08a3f6fb5579b9b2ae158efc8988dd3312e617d74223198803ffe0b335cb [2022-11-21 22:34:02,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:34:02,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:34:02,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:34:02,385 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:34:02,387 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:34:02,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b06be5a7-1715-4d71-9a83-2f3c84216a03/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/array-patterns/array11_pattern.c [2022-11-21 22:34:05,803 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:34:06,037 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:34:06,038 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b06be5a7-1715-4d71-9a83-2f3c84216a03/sv-benchmarks/c/array-patterns/array11_pattern.c [2022-11-21 22:34:06,046 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b06be5a7-1715-4d71-9a83-2f3c84216a03/bin/ukojak-jW3SillKbg/data/d20d37c46/b0bc8d74a81d4cd0a3a3fa021bb7c4a1/FLAGdf1d0f0e1 [2022-11-21 22:34:06,064 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b06be5a7-1715-4d71-9a83-2f3c84216a03/bin/ukojak-jW3SillKbg/data/d20d37c46/b0bc8d74a81d4cd0a3a3fa021bb7c4a1 [2022-11-21 22:34:06,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:34:06,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:34:06,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:34:06,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:34:06,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:34:06,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:34:06" (1/1) ... [2022-11-21 22:34:06,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@377c65ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:06, skipping insertion in model container [2022-11-21 22:34:06,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:34:06" (1/1) ... [2022-11-21 22:34:06,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:34:06,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:34:06,361 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_b06be5a7-1715-4d71-9a83-2f3c84216a03/sv-benchmarks/c/array-patterns/array11_pattern.c[1357,1370] [2022-11-21 22:34:06,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:34:06,422 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:34:06,441 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_b06be5a7-1715-4d71-9a83-2f3c84216a03/sv-benchmarks/c/array-patterns/array11_pattern.c[1357,1370] [2022-11-21 22:34:06,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:34:06,492 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:34:06,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:06 WrapperNode [2022-11-21 22:34:06,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:34:06,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:34:06,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:34:06,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:34:06,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:06" (1/1) ... [2022-11-21 22:34:06,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:06" (1/1) ... [2022-11-21 22:34:06,567 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2022-11-21 22:34:06,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:34:06,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:34:06,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:34:06,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:34:06,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:06" (1/1) ... [2022-11-21 22:34:06,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:06" (1/1) ... [2022-11-21 22:34:06,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:06" (1/1) ... [2022-11-21 22:34:06,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:06" (1/1) ... [2022-11-21 22:34:06,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:06" (1/1) ... [2022-11-21 22:34:06,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:06" (1/1) ... [2022-11-21 22:34:06,620 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:06" (1/1) ... [2022-11-21 22:34:06,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:06" (1/1) ... [2022-11-21 22:34:06,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:34:06,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:34:06,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:34:06,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:34:06,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:34:06" (1/1) ... [2022-11-21 22:34:06,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:34:06,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b06be5a7-1715-4d71-9a83-2f3c84216a03/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:34:06,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b06be5a7-1715-4d71-9a83-2f3c84216a03/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:34:06,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b06be5a7-1715-4d71-9a83-2f3c84216a03/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:34:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:34:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 22:34:06,722 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 22:34:06,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:34:06,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:34:06,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:34:06,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:34:06,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:34:06,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:34:06,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:34:06,840 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:34:06,843 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:34:07,130 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:34:07,182 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:34:07,182 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 22:34:07,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:34:07 BoogieIcfgContainer [2022-11-21 22:34:07,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:34:07,187 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:34:07,187 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:34:07,202 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:34:07,202 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:34:07" (1/1) ... [2022-11-21 22:34:07,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:34:07,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:34:07,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2022-11-21 22:34:07,337 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2022-11-21 22:34:07,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:34:07,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:34:07,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:34:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:34:07,656 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 22:34:07,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:34:07,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2022-11-21 22:34:07,704 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-21 22:34:07,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 22:34:07,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:34:07,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:34:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:34:07,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:34:07,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:34:07,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:34:07,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:34:07,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 19 states and 26 transitions. [2022-11-21 22:34:07,958 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2022-11-21 22:34:07,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 22:34:07,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:34:07,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:34:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:34:08,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 22:34:08,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:34:08,111 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:34:08,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:34:08,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 40 transitions. [2022-11-21 22:34:08,527 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2022-11-21 22:34:08,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 22:34:08,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:34:08,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:34:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:34:08,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 58 conjunts are in the unsatisfiable core [2022-11-21 22:34:08,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:34:08,828 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 22:34:08,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:08,921 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 22:34:08,929 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 22:34:08,936 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 22:34:08,950 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 22:34:10,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:10,044 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 153 treesize of output 138 [2022-11-21 22:34:10,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:10,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:34:10,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 101 [2022-11-21 22:34:10,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:34:10,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:10,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:34:10,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 314 [2022-11-21 22:34:10,227 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:34:10,231 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2022-11-21 22:34:10,334 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:34:10,335 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2022-11-21 22:34:10,382 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:34:10,385 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2022-11-21 22:34:10,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 309 treesize of output 175 [2022-11-21 22:34:10,533 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-21 22:34:10,548 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:34:10,550 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2022-11-21 22:34:11,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 60 [2022-11-21 22:34:11,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:34:11,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:34:11,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 35 treesize of output 25 [2022-11-21 22:34:11,823 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-21 22:34:11,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 101 treesize of output 85 [2022-11-21 22:34:12,532 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 22:34:16,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:34:16,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 48 transitions. [2022-11-21 22:34:16,102 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2022-11-21 22:34:16,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:34:16,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:34:16,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:34:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:34:16,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:34:16,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:34:16,521 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:34:17,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:34:17,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 31 states and 51 transitions. [2022-11-21 22:34:17,548 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2022-11-21 22:34:17,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:34:17,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:34:17,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:34:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:34:17,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:34:17,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:34:17,898 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 22:34:21,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:34:21,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 61 transitions. [2022-11-21 22:34:21,347 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2022-11-21 22:34:21,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 22:34:21,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:34:21,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:34:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:34:21,468 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 73 conjunts are in the unsatisfiable core [2022-11-21 22:34:21,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:34:21,765 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 22:34:21,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:21,919 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 22:34:21,927 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 22:34:21,933 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 22:34:21,943 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 22:34:22,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:22,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:22,108 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 22:34:23,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:23,351 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 128 treesize of output 113 [2022-11-21 22:34:23,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:23,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:23,401 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-21 22:34:23,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 105 [2022-11-21 22:34:23,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:23,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:23,464 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-21 22:34:23,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 105 [2022-11-21 22:34:23,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:23,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:23,641 INFO L321 Elim1Store]: treesize reduction 54, result has 28.0 percent of original size [2022-11-21 22:34:23,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 38 [2022-11-21 22:34:23,816 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:34:23,818 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2022-11-21 22:34:26,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 185 [2022-11-21 22:34:26,490 INFO L321 Elim1Store]: treesize reduction 32, result has 52.2 percent of original size [2022-11-21 22:34:26,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 case distinctions, treesize of input 178 treesize of output 189 [2022-11-21 22:34:26,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:26,517 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:34:26,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 181 treesize of output 169 [2022-11-21 22:34:27,346 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 22:34:36,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:34:36,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 47 states and 84 transitions. [2022-11-21 22:34:36,463 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2022-11-21 22:34:36,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:34:36,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:34:36,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:34:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:34:36,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:34:36,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:34:37,190 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:34:39,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:34:39,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 48 states and 87 transitions. [2022-11-21 22:34:39,761 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 87 transitions. [2022-11-21 22:34:39,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:34:39,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:34:39,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:34:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:34:39,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:34:39,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:34:40,415 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 22:34:46,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:34:46,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 56 states and 103 transitions. [2022-11-21 22:34:46,663 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 103 transitions. [2022-11-21 22:34:46,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 22:34:46,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:34:46,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:34:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:34:46,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:34:46,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:34:47,010 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 22:34:49,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:34:49,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 57 states and 105 transitions. [2022-11-21 22:34:49,264 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2022-11-21 22:34:49,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 22:34:49,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:34:49,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:34:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:34:49,483 WARN L261 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 87 conjunts are in the unsatisfiable core [2022-11-21 22:34:49,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:34:49,532 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 22:34:49,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:49,580 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 22:34:49,590 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 22:34:49,596 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 22:34:49,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:49,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:49,758 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 22:34:49,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:49,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:49,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:49,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:49,948 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 22:34:52,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:52,014 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 146 treesize of output 127 [2022-11-21 22:34:52,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:52,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:52,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:52,093 INFO L321 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2022-11-21 22:34:52,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 115 [2022-11-21 22:34:52,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:52,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:52,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:52,172 INFO L321 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2022-11-21 22:34:52,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 115 [2022-11-21 22:34:52,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:52,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:52,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:52,393 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-21 22:34:52,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 79 treesize of output 56 [2022-11-21 22:34:52,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:52,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:52,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:34:52,730 INFO L321 Elim1Store]: treesize reduction 90, result has 31.8 percent of original size [2022-11-21 22:34:52,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 131 treesize of output 90 [2022-11-21 22:34:55,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:34:55,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 66 [2022-11-21 22:34:56,106 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:35:11,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-21 22:35:14,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:35:14,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 65 states and 123 transitions. [2022-11-21 22:35:14,972 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 123 transitions. [2022-11-21 22:35:14,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 22:35:14,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:35:14,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:35:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:35:15,133 WARN L261 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 90 conjunts are in the unsatisfiable core [2022-11-21 22:35:15,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:35:15,179 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 22:35:15,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:35:15,222 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 22:35:15,229 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 22:35:15,235 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 22:35:15,246 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 22:35:15,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:35:15,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:35:15,352 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 22:35:15,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:35:15,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:35:15,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:35:15,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:35:15,705 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 22:35:17,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:35:17,461 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 146 treesize of output 127 [2022-11-21 22:35:17,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:35:17,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:35:17,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:35:17,523 INFO L321 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2022-11-21 22:35:17,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 115 [2022-11-21 22:35:17,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:35:17,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:35:17,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:35:17,609 INFO L321 Elim1Store]: treesize reduction 89, result has 1.1 percent of original size [2022-11-21 22:35:17,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 115 [2022-11-21 22:35:17,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:35:17,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:35:17,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:35:17,919 INFO L321 Elim1Store]: treesize reduction 78, result has 31.6 percent of original size [2022-11-21 22:35:17,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 79 treesize of output 56 [2022-11-21 22:35:18,076 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:35:18,084 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 278 [2022-11-21 22:35:20,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:35:20,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 66 [2022-11-21 22:35:20,826 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:35:26,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:35:26,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 67 states and 126 transitions. [2022-11-21 22:35:26,054 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 126 transitions. [2022-11-21 22:35:26,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:35:26,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:35:26,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:35:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:35:26,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 68 conjunts are in the unsatisfiable core [2022-11-21 22:35:26,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:35:26,179 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 22:35:26,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:35:26,225 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 22:35:26,233 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 22:35:26,238 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 22:35:26,247 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 22:35:26,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:35:26,467 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 110 treesize of output 99 [2022-11-21 22:35:26,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:35:26,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:35:26,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 101 [2022-11-21 22:35:26,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:35:26,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:35:26,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 101 [2022-11-21 22:35:26,530 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-21 22:35:26,558 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:35:26,560 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2022-11-21 22:35:26,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 79 treesize of output 17 [2022-11-21 22:35:27,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:35:27,673 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 139 treesize of output 128 [2022-11-21 22:35:27,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 87 [2022-11-21 22:35:27,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:35:27,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 289 [2022-11-21 22:35:27,857 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:35:27,859 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2022-11-21 22:35:27,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 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 157 treesize of output 230 [2022-11-21 22:35:27,916 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:35:27,918 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2022-11-21 22:35:27,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 298 treesize of output 172 [2022-11-21 22:35:28,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 60 [2022-11-21 22:35:28,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:35:28,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:35:28,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 35 treesize of output 25 [2022-11-21 22:35:28,486 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-21 22:35:28,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 101 treesize of output 85 [2022-11-21 22:35:29,033 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:35:43,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-21 22:35:43,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:35:43,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 62 states and 117 transitions. [2022-11-21 22:35:43,716 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 117 transitions. [2022-11-21 22:35:43,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:35:43,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:35:43,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:35:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:35:43,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 22:35:43,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:35:45,080 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 22:35:50,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:35:50,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 63 states and 120 transitions. [2022-11-21 22:35:50,027 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 120 transitions. [2022-11-21 22:35:50,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:35:50,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:35:50,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:35:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:35:50,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 22:35:50,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:35:51,232 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:36:01,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:36:01,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 72 states and 138 transitions. [2022-11-21 22:36:01,876 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 138 transitions. [2022-11-21 22:36:01,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:36:01,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:36:01,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:36:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:36:01,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 22:36:01,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:36:02,423 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:36:03,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:36:03,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 73 states and 140 transitions. [2022-11-21 22:36:03,061 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 140 transitions. [2022-11-21 22:36:03,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 22:36:03,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:36:03,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:36:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:36:03,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 22:36:03,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:36:03,611 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:36:07,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:36:07,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 74 states and 141 transitions. [2022-11-21 22:36:07,333 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 141 transitions. [2022-11-21 22:36:07,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:36:07,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:36:07,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:36:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:36:07,795 WARN L261 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 106 conjunts are in the unsatisfiable core [2022-11-21 22:36:07,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:36:07,831 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 22:36:07,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:07,866 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 22:36:07,872 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 22:36:07,878 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 22:36:07,890 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 22:36:07,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:07,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:07,936 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 22:36:08,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:08,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:08,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:08,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:08,015 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 22:36:08,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:08,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:08,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:08,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:08,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:08,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:08,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:08,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:08,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:08,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:08,456 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 93 treesize of output 93 [2022-11-21 22:36:11,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:11,922 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 164 treesize of output 141 [2022-11-21 22:36:11,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:11,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:11,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:11,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:12,017 INFO L321 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-11-21 22:36:12,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 125 [2022-11-21 22:36:12,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:12,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:12,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:12,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:12,172 INFO L321 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-11-21 22:36:12,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 125 [2022-11-21 22:36:12,199 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:36:12,201 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2022-11-21 22:36:12,416 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:36:12,417 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2022-11-21 22:36:12,924 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-11-21 22:36:36,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1004 treesize of output 880 [2022-11-21 22:36:36,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:36,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:36,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:36,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:36:36,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:36,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:36,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:36,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:36:37,486 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:36:37,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 758 treesize of output 832 [2022-11-21 22:36:37,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:37,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:36:37,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:37,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:36:38,713 INFO L321 Elim1Store]: treesize reduction 42, result has 77.0 percent of original size [2022-11-21 22:36:38,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 668 treesize of output 729 [2022-11-21 22:41:34,003 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-21 22:41:35,044 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:41:35,273 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:41:35,464 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:41:35,569 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-21 22:41:35,794 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:41:35,896 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:41:35,904 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:41:35,904 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2022-11-21 22:42:16,161 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:42:28,234 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-21 22:42:28,383 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:42:29,458 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:42:29,660 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-21 22:42:31,580 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:42:34,953 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:42:35,362 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:42:38,786 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:42:39,985 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-21 22:42:40,112 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:42:41,269 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:42:41,481 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:42:41,704 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-21 22:42:46,229 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-21 22:42:46,340 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:42:47,587 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:42:47,787 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-21 22:42:48,202 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:42:51,643 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:42:52,051 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:42:55,452 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:42:57,745 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-21 22:42:57,854 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:42:58,438 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:42:58,633 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-11-21 22:43:00,570 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:43:34,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:43:34,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 82 states and 159 transitions. [2022-11-21 22:43:34,460 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 159 transitions. [2022-11-21 22:43:34,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:43:34,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:43:34,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:43:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:43:34,902 WARN L261 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 108 conjunts are in the unsatisfiable core [2022-11-21 22:43:34,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:43:34,941 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 22:43:34,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:34,965 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 22:43:34,973 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 22:43:34,980 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 22:43:35,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:35,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:35,038 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 22:43:35,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:35,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:35,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:35,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:35,626 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 22:43:35,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:35,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:35,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:35,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:35,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:35,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:35,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:35,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:35,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:35,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:35,980 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 93 treesize of output 93 [2022-11-21 22:43:37,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:37,420 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 164 treesize of output 141 [2022-11-21 22:43:37,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:37,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:37,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:37,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:37,499 INFO L321 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-11-21 22:43:37,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 125 [2022-11-21 22:43:37,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:37,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:37,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:37,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:37,623 INFO L321 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-11-21 22:43:37,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 125 [2022-11-21 22:43:37,667 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:43:37,668 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2022-11-21 22:43:37,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:37,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:37,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:37,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:38,220 INFO L321 Elim1Store]: treesize reduction 102, result has 33.3 percent of original size [2022-11-21 22:43:38,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 86 treesize of output 74 [2022-11-21 22:43:44,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1004 treesize of output 880 [2022-11-21 22:43:44,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:44,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:44,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:44,983 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:43:46,143 INFO L321 Elim1Store]: treesize reduction 42, result has 77.0 percent of original size [2022-11-21 22:43:46,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 758 treesize of output 851 [2022-11-21 22:43:46,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:46,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:46,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:43:46,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:46,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:46,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:46,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:43:46,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:43:46,530 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:43:46,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 682 treesize of output 724 [2022-11-21 22:45:30,587 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:45:30,890 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-11-21 22:46:30,867 WARN L233 SmtUtils]: Spent 8.82s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-21 22:46:35,263 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:46:58,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 22:46:58,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:58,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 85 states and 164 transitions. [2022-11-21 22:46:58,552 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 164 transitions. [2022-11-21 22:46:58,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 22:46:58,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:58,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:58,822 WARN L261 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 105 conjunts are in the unsatisfiable core [2022-11-21 22:46:58,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:46:58,849 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 22:46:58,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:46:58,875 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 22:46:58,880 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 22:46:58,885 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 22:46:59,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:46:59,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:46:59,005 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 22:46:59,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:46:59,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:46:59,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:46:59,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:46:59,057 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 22:46:59,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:46:59,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:46:59,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:46:59,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:46:59,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:46:59,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:46:59,511 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 22:47:00,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:00,872 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 207 treesize of output 180 [2022-11-21 22:47:00,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:00,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:00,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:00,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:00,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:47:00,979 INFO L321 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2022-11-21 22:47:00,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 109 treesize of output 353 [2022-11-21 22:47:01,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:01,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:01,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:01,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:01,117 INFO L321 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2022-11-21 22:47:01,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 125 [2022-11-21 22:47:01,210 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:47:01,217 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2022-11-21 22:47:01,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:01,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:01,814 INFO L321 Elim1Store]: treesize reduction 306, result has 5.3 percent of original size [2022-11-21 22:47:01,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 232 treesize of output 359 [2022-11-21 22:47:02,122 INFO L321 Elim1Store]: treesize reduction 77, result has 33.0 percent of original size [2022-11-21 22:47:02,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 178 treesize of output 98 [2022-11-21 22:47:02,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:02,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:02,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:02,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:02,399 INFO L321 Elim1Store]: treesize reduction 118, result has 33.3 percent of original size [2022-11-21 22:47:02,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 348 treesize of output 266 [2022-11-21 22:47:11,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1004 treesize of output 880 [2022-11-21 22:47:11,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:11,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:11,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:47:11,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:12,047 INFO L321 Elim1Store]: treesize reduction 42, result has 77.0 percent of original size [2022-11-21 22:47:12,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 758 treesize of output 851 [2022-11-21 22:47:12,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:12,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:47:12,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:12,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:12,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:12,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:12,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:12,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 22:47:12,369 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:47:12,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 667 treesize of output 709