./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/nsqm.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b0fd07-7755-4552-93e2-b8936546102e/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b0fd07-7755-4552-93e2-b8936546102e/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b0fd07-7755-4552-93e2-b8936546102e/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b0fd07-7755-4552-93e2-b8936546102e/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/nsqm.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b0fd07-7755-4552-93e2-b8936546102e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b0fd07-7755-4552-93e2-b8936546102e/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b64d5f0150faeb5d8c80a790953ff0d0f860fa8f91611b25d82154854354bbd0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:59:21,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:59:21,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:59:21,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:59:21,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:59:21,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:59:21,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:59:21,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:59:21,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:59:21,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:59:21,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:59:21,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:59:21,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:59:21,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:59:21,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:59:21,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:59:21,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:59:21,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:59:21,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:59:21,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:59:21,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:59:21,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:59:21,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:59:21,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:59:21,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:59:21,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:59:21,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:59:21,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:59:21,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:59:21,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:59:21,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:59:21,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:59:21,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:59:21,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:59:21,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:59:21,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:59:21,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:59:21,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:59:21,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:59:21,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:59:21,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:59:21,774 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b0fd07-7755-4552-93e2-b8936546102e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:59:21,833 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:59:21,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:59:21,837 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:59:21,837 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:59:21,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:59:21,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:59:21,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:59:21,839 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:59:21,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:59:21,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:59:21,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:59:21,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:59:21,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:59:21,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:59:21,841 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:59:21,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:59:21,842 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:59:21,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:59:21,842 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:59:21,842 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:59:21,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:59:21,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:59:21,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:59:21,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:59:21,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:59:21,844 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:59:21,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:59:21,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:59:21,845 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_72b0fd07-7755-4552-93e2-b8936546102e/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b0fd07-7755-4552-93e2-b8936546102e/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b64d5f0150faeb5d8c80a790953ff0d0f860fa8f91611b25d82154854354bbd0 [2022-10-17 16:59:22,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:59:22,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:59:22,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:59:22,154 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:59:22,156 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:59:22,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b0fd07-7755-4552-93e2-b8936546102e/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/nsqm.c [2022-10-17 16:59:22,241 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b0fd07-7755-4552-93e2-b8936546102e/bin/ukojak-92XMlrwhuB/data/d36cc4778/a09b5ba9d2804c8fbfcae5aacc56aa21/FLAG9b57bead1 [2022-10-17 16:59:22,763 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:59:22,765 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b0fd07-7755-4552-93e2-b8936546102e/sv-benchmarks/c/array-fpi/nsqm.c [2022-10-17 16:59:22,773 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b0fd07-7755-4552-93e2-b8936546102e/bin/ukojak-92XMlrwhuB/data/d36cc4778/a09b5ba9d2804c8fbfcae5aacc56aa21/FLAG9b57bead1 [2022-10-17 16:59:23,116 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b0fd07-7755-4552-93e2-b8936546102e/bin/ukojak-92XMlrwhuB/data/d36cc4778/a09b5ba9d2804c8fbfcae5aacc56aa21 [2022-10-17 16:59:23,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:59:23,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:59:23,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:59:23,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:59:23,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:59:23,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:59:23" (1/1) ... [2022-10-17 16:59:23,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5107179c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:23, skipping insertion in model container [2022-10-17 16:59:23,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:59:23" (1/1) ... [2022-10-17 16:59:23,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:59:23,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:59:23,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b0fd07-7755-4552-93e2-b8936546102e/sv-benchmarks/c/array-fpi/nsqm.c[587,600] [2022-10-17 16:59:23,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:59:23,408 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:59:23,422 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b0fd07-7755-4552-93e2-b8936546102e/sv-benchmarks/c/array-fpi/nsqm.c[587,600] [2022-10-17 16:59:23,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:59:23,458 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:59:23,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:23 WrapperNode [2022-10-17 16:59:23,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:59:23,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:59:23,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:59:23,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:59:23,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:23" (1/1) ... [2022-10-17 16:59:23,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:23" (1/1) ... [2022-10-17 16:59:23,497 INFO L138 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2022-10-17 16:59:23,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:59:23,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:59:23,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:59:23,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:59:23,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:23" (1/1) ... [2022-10-17 16:59:23,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:23" (1/1) ... [2022-10-17 16:59:23,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:23" (1/1) ... [2022-10-17 16:59:23,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:23" (1/1) ... [2022-10-17 16:59:23,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:23" (1/1) ... [2022-10-17 16:59:23,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:23" (1/1) ... [2022-10-17 16:59:23,522 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:23" (1/1) ... [2022-10-17 16:59:23,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:23" (1/1) ... [2022-10-17 16:59:23,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:59:23,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:59:23,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:59:23,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:59:23,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:23" (1/1) ... [2022-10-17 16:59:23,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:59:23,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b0fd07-7755-4552-93e2-b8936546102e/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:59:23,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b0fd07-7755-4552-93e2-b8936546102e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:59:23,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b0fd07-7755-4552-93e2-b8936546102e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:59:23,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:59:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:59:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:59:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:59:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:59:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:59:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:59:23,669 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:59:23,671 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:59:23,911 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:59:23,996 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:59:23,999 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:59:24,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:24 BoogieIcfgContainer [2022-10-17 16:59:24,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:59:24,017 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:59:24,018 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:59:24,028 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:59:24,029 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:24" (1/1) ... [2022-10-17 16:59:24,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:59:24,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:24,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2022-10-17 16:59:24,119 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2022-10-17 16:59:24,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:59:24,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:24,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:24,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:59:24,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:24,475 INFO L356 Elim1Store]: treesize reduction 30, result has 38.8 percent of original size [2022-10-17 16:59:24,477 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 78 [2022-10-17 16:59:24,497 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 10 treesize of output 9 [2022-10-17 16:59:24,520 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 10 treesize of output 9 [2022-10-17 16:59:24,671 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 40 treesize of output 13 [2022-10-17 16:59:24,683 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 5 [2022-10-17 16:59:24,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:24,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:24,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2022-10-17 16:59:24,967 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2022-10-17 16:59:24,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:59:24,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:24,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:25,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:59:25,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:25,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:25,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:25,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 17 states and 36 transitions. [2022-10-17 16:59:25,394 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 36 transitions. [2022-10-17 16:59:25,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:59:25,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:25,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:25,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:59:25,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:25,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:26,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:26,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 20 states and 49 transitions. [2022-10-17 16:59:26,039 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 49 transitions. [2022-10-17 16:59:26,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:59:26,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:26,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:26,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 16:59:26,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:26,227 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 16:59:26,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:26,234 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 16 treesize of output 16 [2022-10-17 16:59:26,239 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 10 treesize of output 9 [2022-10-17 16:59:26,283 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 16 treesize of output 18 [2022-10-17 16:59:26,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:26,379 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 23 treesize of output 22 [2022-10-17 16:59:26,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:27,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:27,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 23 states and 61 transitions. [2022-10-17 16:59:27,337 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 61 transitions. [2022-10-17 16:59:27,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:59:27,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:27,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:27,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:59:27,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:27,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:28,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:28,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 27 states and 68 transitions. [2022-10-17 16:59:28,047 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 68 transitions. [2022-10-17 16:59:28,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:59:28,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:28,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:28,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:59:28,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:28,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:29,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:29,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 30 states and 79 transitions. [2022-10-17 16:59:29,155 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 79 transitions. [2022-10-17 16:59:29,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:59:29,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:29,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:29,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:59:29,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:29,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:30,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:30,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 33 states and 92 transitions. [2022-10-17 16:59:30,333 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 92 transitions. [2022-10-17 16:59:30,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:59:30,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:30,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:30,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-17 16:59:30,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:30,563 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 16:59:30,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:30,574 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 16 treesize of output 16 [2022-10-17 16:59:30,581 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 10 treesize of output 9 [2022-10-17 16:59:30,646 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 16 treesize of output 18 [2022-10-17 16:59:30,668 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 16 treesize of output 18 [2022-10-17 16:59:30,722 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 60 [2022-10-17 16:59:30,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:30,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:30,741 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 118 [2022-10-17 16:59:30,775 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-10-17 16:59:30,788 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:59:30,790 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2022-10-17 16:59:30,935 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 52 [2022-10-17 16:59:30,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:30,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:30,951 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 102 [2022-10-17 16:59:30,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:30,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:30,981 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 22 [2022-10-17 16:59:31,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:31,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:31,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 35 states and 96 transitions. [2022-10-17 16:59:31,786 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 96 transitions. [2022-10-17 16:59:31,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:59:31,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:31,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:31,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-17 16:59:31,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:31,947 INFO L356 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-10-17 16:59:31,948 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 58 [2022-10-17 16:59:31,984 INFO L356 Elim1Store]: treesize reduction 39, result has 31.6 percent of original size [2022-10-17 16:59:31,984 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 75 [2022-10-17 16:59:31,995 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 10 treesize of output 9 [2022-10-17 16:59:32,022 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 10 treesize of output 9 [2022-10-17 16:59:32,043 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 18 treesize of output 7 [2022-10-17 16:59:32,049 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 5 [2022-10-17 16:59:32,064 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 55 [2022-10-17 16:59:32,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:59:32,076 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 5 [2022-10-17 16:59:32,119 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:59:32,120 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-10-17 16:59:32,148 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:59:32,150 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2022-10-17 16:59:32,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:59:32,159 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 14 treesize of output 12 [2022-10-17 16:59:32,177 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 16:59:32,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:32,317 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2022-10-17 16:59:32,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:32,581 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-10-17 16:59:33,198 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 35 [2022-10-17 16:59:33,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:38,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:38,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 43 states and 130 transitions. [2022-10-17 16:59:38,177 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 130 transitions. [2022-10-17 16:59:38,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:59:38,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:38,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:38,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 38 conjunts are in the unsatisfiable core [2022-10-17 16:59:38,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:38,278 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 16:59:38,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:38,285 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 25 [2022-10-17 16:59:38,291 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 22 treesize of output 22 [2022-10-17 16:59:38,295 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 16:59:38,301 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 10 treesize of output 9 [2022-10-17 16:59:38,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:38,458 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-10-17 16:59:38,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:38,739 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2022-10-17 16:59:39,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:40,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:40,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 44 states and 131 transitions. [2022-10-17 16:59:40,369 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 131 transitions. [2022-10-17 16:59:40,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:59:40,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:40,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:40,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 38 conjunts are in the unsatisfiable core [2022-10-17 16:59:40,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:40,475 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 16:59:40,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:40,482 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 25 [2022-10-17 16:59:40,491 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 22 treesize of output 22 [2022-10-17 16:59:40,495 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 16:59:40,501 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 10 treesize of output 9 [2022-10-17 16:59:40,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:40,622 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-10-17 16:59:40,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:40,673 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2022-10-17 16:59:41,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:44,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:44,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 49 states and 163 transitions. [2022-10-17 16:59:44,738 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 163 transitions. [2022-10-17 16:59:44,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:59:44,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:44,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:44,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 39 conjunts are in the unsatisfiable core [2022-10-17 16:59:44,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:44,833 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 16:59:44,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:44,840 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 25 [2022-10-17 16:59:44,845 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 22 treesize of output 22 [2022-10-17 16:59:44,849 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 10 treesize of output 9 [2022-10-17 16:59:44,863 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 16:59:44,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:44,976 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2022-10-17 16:59:45,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:45,130 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2022-10-17 16:59:45,310 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 35 [2022-10-17 16:59:45,314 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:45,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:45,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 164 transitions. [2022-10-17 16:59:45,350 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 164 transitions. [2022-10-17 16:59:45,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:59:45,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:45,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:45,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 38 conjunts are in the unsatisfiable core [2022-10-17 16:59:45,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:45,487 INFO L356 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-10-17 16:59:45,487 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 58 [2022-10-17 16:59:45,516 INFO L356 Elim1Store]: treesize reduction 39, result has 31.6 percent of original size [2022-10-17 16:59:45,517 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 75 [2022-10-17 16:59:45,527 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 10 treesize of output 9 [2022-10-17 16:59:45,558 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 10 treesize of output 9 [2022-10-17 16:59:45,590 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:59:45,591 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2022-10-17 16:59:45,636 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 16:59:45,666 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 18 [2022-10-17 16:59:45,680 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 5 [2022-10-17 16:59:45,705 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 16:59:45,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:45,869 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-10-17 16:59:45,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:45,936 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2022-10-17 16:59:46,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:46,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:46,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 51 states and 165 transitions. [2022-10-17 16:59:46,442 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 165 transitions. [2022-10-17 16:59:46,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:59:46,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:46,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:46,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 36 conjunts are in the unsatisfiable core [2022-10-17 16:59:46,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:46,558 INFO L356 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-10-17 16:59:46,559 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 58 [2022-10-17 16:59:46,587 INFO L356 Elim1Store]: treesize reduction 39, result has 31.6 percent of original size [2022-10-17 16:59:46,588 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 75 [2022-10-17 16:59:46,598 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 10 treesize of output 9 [2022-10-17 16:59:46,625 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:59:46,626 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2022-10-17 16:59:46,660 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 10 treesize of output 9 [2022-10-17 16:59:46,698 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 16:59:46,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:46,745 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 18 [2022-10-17 16:59:46,760 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 5 [2022-10-17 16:59:46,791 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 16:59:47,063 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-10-17 16:59:47,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:47,421 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2022-10-17 16:59:48,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:53,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:53,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 55 states and 201 transitions. [2022-10-17 16:59:53,801 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 201 transitions. [2022-10-17 16:59:53,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:59:53,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:53,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:53,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 36 conjunts are in the unsatisfiable core [2022-10-17 16:59:53,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:53,939 INFO L356 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-10-17 16:59:53,940 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 58 [2022-10-17 16:59:53,976 INFO L356 Elim1Store]: treesize reduction 39, result has 31.6 percent of original size [2022-10-17 16:59:53,976 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 75 [2022-10-17 16:59:53,988 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 10 treesize of output 9 [2022-10-17 16:59:54,023 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 10 treesize of output 9 [2022-10-17 16:59:54,047 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 26 treesize of output 19 [2022-10-17 16:59:54,059 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 5 [2022-10-17 16:59:54,077 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 81 [2022-10-17 16:59:54,087 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:59:54,089 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2022-10-17 16:59:54,143 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:59:54,144 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2022-10-17 16:59:54,153 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:59:54,154 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2022-10-17 16:59:54,238 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 20 treesize of output 18 [2022-10-17 16:59:54,265 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-10-17 16:59:57,540 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-10-17 16:59:57,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:59:57,604 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2022-10-17 16:59:58,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:58,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 56 states and 202 transitions. [2022-10-17 16:59:58,086 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 202 transitions. [2022-10-17 16:59:58,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:59:58,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:58,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:58,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 36 conjunts are in the unsatisfiable core [2022-10-17 16:59:58,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:59:58,186 INFO L356 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2022-10-17 16:59:58,186 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 58 [2022-10-17 16:59:58,191 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 35 [2022-10-17 16:59:58,231 INFO L356 Elim1Store]: treesize reduction 34, result has 34.6 percent of original size [2022-10-17 16:59:58,231 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 70 [2022-10-17 16:59:58,266 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 10 treesize of output 9 [2022-10-17 16:59:58,289 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:59:58,289 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2022-10-17 16:59:58,320 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 91