./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array25_pattern.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_5ac2d1b7-0bd8-4138-a6f9-a22ef6b22dd6/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2d1b7-0bd8-4138-a6f9-a22ef6b22dd6/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_5ac2d1b7-0bd8-4138-a6f9-a22ef6b22dd6/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2d1b7-0bd8-4138-a6f9-a22ef6b22dd6/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array25_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2d1b7-0bd8-4138-a6f9-a22ef6b22dd6/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_5ac2d1b7-0bd8-4138-a6f9-a22ef6b22dd6/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 d5acc4e7957d3ad66d9b011b6d1c27cdde7a453adaa0d9781357dfd70a9cc20a --- 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 16:37:41,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:37:41,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:37:41,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:37:41,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:37:41,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:37:41,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:37:41,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:37:41,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:37:41,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:37:41,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:37:41,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:37:41,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:37:41,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:37:41,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:37:41,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:37:41,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:37:41,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:37:41,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:37:41,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:37:41,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:37:41,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:37:41,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:37:41,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:37:41,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:37:41,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:37:41,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:37:41,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:37:41,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:37:41,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:37:41,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:37:41,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:37:41,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:37:41,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:37:41,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:37:41,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:37:41,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:37:41,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:37:41,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:37:41,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:37:41,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:37:41,200 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2d1b7-0bd8-4138-a6f9-a22ef6b22dd6/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:37:41,248 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:37:41,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:37:41,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:37:41,251 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:37:41,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:37:41,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:37:41,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:37:41,252 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:37:41,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:37:41,253 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:37:41,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:37:41,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:37:41,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:37:41,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:37:41,255 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:37:41,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:37:41,265 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:37:41,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:37:41,266 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:37:41,266 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:37:41,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:37:41,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:41,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:37:41,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:37:41,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:37:41,268 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:37:41,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:37:41,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:37:41,268 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_5ac2d1b7-0bd8-4138-a6f9-a22ef6b22dd6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2d1b7-0bd8-4138-a6f9-a22ef6b22dd6/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5acc4e7957d3ad66d9b011b6d1c27cdde7a453adaa0d9781357dfd70a9cc20a [2022-10-17 16:37:41,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:37:41,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:37:41,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:37:41,617 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:37:41,619 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:37:41,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2d1b7-0bd8-4138-a6f9-a22ef6b22dd6/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-patterns/array25_pattern.c [2022-10-17 16:37:41,708 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2d1b7-0bd8-4138-a6f9-a22ef6b22dd6/bin/ukojak-92XMlrwhuB/data/4a9fee11a/5c7cda3f719749da9fc970e4dbe5ad3b/FLAG6dfb58e15 [2022-10-17 16:37:42,248 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:37:42,249 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2d1b7-0bd8-4138-a6f9-a22ef6b22dd6/sv-benchmarks/c/array-patterns/array25_pattern.c [2022-10-17 16:37:42,260 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2d1b7-0bd8-4138-a6f9-a22ef6b22dd6/bin/ukojak-92XMlrwhuB/data/4a9fee11a/5c7cda3f719749da9fc970e4dbe5ad3b/FLAG6dfb58e15 [2022-10-17 16:37:42,616 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2d1b7-0bd8-4138-a6f9-a22ef6b22dd6/bin/ukojak-92XMlrwhuB/data/4a9fee11a/5c7cda3f719749da9fc970e4dbe5ad3b [2022-10-17 16:37:42,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:37:42,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:37:42,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:42,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:37:42,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:37:42,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:42" (1/1) ... [2022-10-17 16:37:42,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f24872c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:42, skipping insertion in model container [2022-10-17 16:37:42,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:42" (1/1) ... [2022-10-17 16:37:42,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:37:42,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:37:42,963 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_5ac2d1b7-0bd8-4138-a6f9-a22ef6b22dd6/sv-benchmarks/c/array-patterns/array25_pattern.c[1270,1283] [2022-10-17 16:37:42,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:42,999 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:37:43,014 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_5ac2d1b7-0bd8-4138-a6f9-a22ef6b22dd6/sv-benchmarks/c/array-patterns/array25_pattern.c[1270,1283] [2022-10-17 16:37:43,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:43,043 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:37:43,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:43 WrapperNode [2022-10-17 16:37:43,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:43,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:43,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:37:43,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:37:43,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:43" (1/1) ... [2022-10-17 16:37:43,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:43" (1/1) ... [2022-10-17 16:37:43,090 INFO L138 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2022-10-17 16:37:43,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:43,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:37:43,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:37:43,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:37:43,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:43" (1/1) ... [2022-10-17 16:37:43,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:43" (1/1) ... [2022-10-17 16:37:43,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:43" (1/1) ... [2022-10-17 16:37:43,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:43" (1/1) ... [2022-10-17 16:37:43,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:43" (1/1) ... [2022-10-17 16:37:43,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:43" (1/1) ... [2022-10-17 16:37:43,117 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:43" (1/1) ... [2022-10-17 16:37:43,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:43" (1/1) ... [2022-10-17 16:37:43,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:37:43,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:37:43,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:37:43,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:37:43,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:43" (1/1) ... [2022-10-17 16:37:43,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:43,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2d1b7-0bd8-4138-a6f9-a22ef6b22dd6/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:37:43,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2d1b7-0bd8-4138-a6f9-a22ef6b22dd6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:37:43,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ac2d1b7-0bd8-4138-a6f9-a22ef6b22dd6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:37:43,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:37:43,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:37:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:37:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:37:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:37:43,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:37:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:37:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:37:43,319 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:37:43,321 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:37:43,535 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:37:43,711 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:37:43,716 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:37:43,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:43 BoogieIcfgContainer [2022-10-17 16:37:43,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:37:43,730 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:37:43,730 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:37:43,739 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:37:43,739 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:43" (1/1) ... [2022-10-17 16:37:43,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:37:43,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:43,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2022-10-17 16:37:43,831 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2022-10-17 16:37:43,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:37:43,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:43,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:44,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:37:44,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:44,149 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 16:37:44,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:44,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 13 states and 21 transitions. [2022-10-17 16:37:44,233 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 21 transitions. [2022-10-17 16:37:44,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:37:44,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:44,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:44,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:37:44,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:44,389 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 16:37:44,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:44,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 15 states and 28 transitions. [2022-10-17 16:37:44,517 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 28 transitions. [2022-10-17 16:37:44,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:37:44,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:44,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:44,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:37:44,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:44,631 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 16:37:44,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:44,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 17 states and 34 transitions. [2022-10-17 16:37:44,872 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 34 transitions. [2022-10-17 16:37:44,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:37:44,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:44,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:44,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:37:44,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:44,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:37:45,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:45,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 20 states and 42 transitions. [2022-10-17 16:37:45,317 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 42 transitions. [2022-10-17 16:37:45,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:37:45,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:45,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:45,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:37:45,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:45,373 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:37:45,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:45,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 21 states and 46 transitions. [2022-10-17 16:37:45,428 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 46 transitions. [2022-10-17 16:37:45,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:37:45,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:45,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:45,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:37:45,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:45,560 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:45,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:45,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 23 states and 52 transitions. [2022-10-17 16:37:45,911 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 52 transitions. [2022-10-17 16:37:45,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:37:45,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:45,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:45,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:37:45,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:45,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:37:46,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:46,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 25 states and 54 transitions. [2022-10-17 16:37:46,253 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 54 transitions. [2022-10-17 16:37:46,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:37:46,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:46,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:46,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:37:46,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:46,462 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:47,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:47,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 27 states and 59 transitions. [2022-10-17 16:37:47,056 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 59 transitions. [2022-10-17 16:37:47,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:37:47,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:47,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:47,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 16:37:47,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:47,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:37:47,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:47,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 30 states and 62 transitions. [2022-10-17 16:37:47,929 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 62 transitions. [2022-10-17 16:37:47,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:37:47,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:47,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:47,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:37:47,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:48,217 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:37:49,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:49,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 34 states and 69 transitions. [2022-10-17 16:37:49,267 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 69 transitions. [2022-10-17 16:37:49,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:37:49,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:49,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:49,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:37:49,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:49,329 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:37:49,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:49,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 71 transitions. [2022-10-17 16:37:49,554 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 71 transitions. [2022-10-17 16:37:49,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:37:49,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:49,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:49,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:37:49,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:49,634 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:37:49,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:49,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 36 states and 72 transitions. [2022-10-17 16:37:49,832 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 72 transitions. [2022-10-17 16:37:49,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:37:49,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:49,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:49,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:37:49,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:49,924 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:37:50,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:50,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 40 states and 80 transitions. [2022-10-17 16:37:50,643 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 80 transitions. [2022-10-17 16:37:50,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:37:50,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:50,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:50,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:37:50,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:50,722 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:37:51,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:51,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 56 transitions. [2022-10-17 16:37:51,134 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 56 transitions. [2022-10-17 16:37:51,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:37:51,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:51,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:51,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:37:51,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:51,219 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:37:52,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:52,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2022-10-17 16:37:52,277 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2022-10-17 16:37:52,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:37:52,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:52,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:52,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 66 conjunts are in the unsatisfiable core [2022-10-17 16:37:52,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:53,072 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 165 [2022-10-17 16:37:53,101 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 60 treesize of output 130 [2022-10-17 16:37:53,175 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:37:53,178 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2022-10-17 16:37:53,225 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 8 [2022-10-17 16:37:53,252 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:37:53,253 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-10-17 16:37:53,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:37:53,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:37:53,269 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 93 treesize of output 5 [2022-10-17 16:37:53,480 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 0 case distinctions, treesize of input 94 treesize of output 100 [2022-10-17 16:37:53,504 INFO L356 Elim1Store]: treesize reduction 39, result has 2.5 percent of original size [2022-10-17 16:37:53,505 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 66 treesize of output 126 [2022-10-17 16:37:53,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:37:53,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:37:53,558 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 70 treesize of output 3 [2022-10-17 16:37:53,583 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:37:53,585 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-10-17 16:37:54,226 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 194 [2022-10-17 16:37:54,331 INFO L356 Elim1Store]: treesize reduction 209, result has 13.3 percent of original size [2022-10-17 16:37:54,332 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 case distinctions, treesize of input 90 treesize of output 165 [2022-10-17 16:37:54,398 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-10-17 16:37:54,421 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:37:54,422 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2022-10-17 16:37:54,464 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:37:54,465 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2022-10-17 16:37:54,488 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:37:54,490 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2022-10-17 16:37:54,505 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:37:54,506 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-10-17 16:37:54,865 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 99 treesize of output 88 [2022-10-17 16:37:54,889 INFO L356 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-10-17 16:37:54,890 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 89 treesize of output 158 [2022-10-17 16:37:54,935 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:37:54,937 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2022-10-17 16:37:57,415 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 132 [2022-10-17 16:37:57,427 INFO L356 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-10-17 16:37:57,428 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 133 treesize of output 64 [2022-10-17 16:37:57,560 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:05,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:05,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 42 states and 99 transitions. [2022-10-17 16:38:05,370 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 99 transitions. [2022-10-17 16:38:05,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:38:05,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:05,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:05,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 73 conjunts are in the unsatisfiable core [2022-10-17 16:38:05,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:38:06,189 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 0 case distinctions, treesize of input 79 treesize of output 87 [2022-10-17 16:38:06,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:38:06,197 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 52 treesize of output 108 [2022-10-17 16:38:06,222 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:38:06,223 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2022-10-17 16:38:06,241 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:38:06,242 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-10-17 16:38:06,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:38:06,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:38:06,293 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 73 treesize of output 5 [2022-10-17 16:38:06,601 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 0 case distinctions, treesize of input 146 treesize of output 148 [2022-10-17 16:38:06,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:06,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:38:06,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:06,615 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 446 [2022-10-17 16:38:06,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:38:06,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:38:06,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:38:06,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:38:06,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:38:06,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:06,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:06,668 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 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 205 treesize of output 274 [2022-10-17 16:38:06,755 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:38:06,757 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2022-10-17 16:38:06,894 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:38:06,896 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 214 [2022-10-17 16:38:06,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:38:06,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:38:06,941 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 76 treesize of output 3 [2022-10-17 16:38:07,017 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 378 treesize of output 353 [2022-10-17 16:38:07,047 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 51 treesize of output 3 [2022-10-17 16:38:07,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:38:07,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:38:07,067 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 149 treesize of output 83 [2022-10-17 16:38:07,086 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:38:07,089 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 355 [2022-10-17 16:38:07,094 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:38:07,099 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2022-10-17 16:38:08,012 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 264 [2022-10-17 16:38:08,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:08,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:08,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:08,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:08,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:08,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:08,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:08,039 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 597 [2022-10-17 16:38:08,135 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:38:08,137 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 492 [2022-10-17 16:38:08,220 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:38:08,221 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2022-10-17 16:38:08,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:38:08,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:38:08,338 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-10-17 16:38:08,359 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 206 treesize of output 188 [2022-10-17 16:38:08,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:08,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:08,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:08,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:08,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:08,405 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 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 156 treesize of output 148 [2022-10-17 16:38:08,416 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:38:08,418 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 262 [2022-10-17 16:38:08,894 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 168 treesize of output 149 [2022-10-17 16:38:08,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:08,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:08,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:08,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:08,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:08,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:08,914 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 6 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 789 [2022-10-17 16:38:09,113 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:38:09,118 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2022-10-17 16:38:09,223 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:38:09,226 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2022-10-17 16:38:09,235 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:38:09,237 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2022-10-17 16:38:09,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 16:38:09,265 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 5 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 246 treesize of output 742 [2022-10-17 16:38:09,274 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:38:09,275 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 457 [2022-10-17 16:38:09,282 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:38:09,284 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2022-10-17 16:38:11,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:11,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:11,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:11,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:38:11,508 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:38:11,508 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 121 treesize of output 43 [2022-10-17 16:38:11,685 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.