./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array22_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955dfd3-d434-433d-8a86-013e5b035a1e/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955dfd3-d434-433d-8a86-013e5b035a1e/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955dfd3-d434-433d-8a86-013e5b035a1e/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955dfd3-d434-433d-8a86-013e5b035a1e/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array22_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955dfd3-d434-433d-8a86-013e5b035a1e/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955dfd3-d434-433d-8a86-013e5b035a1e/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31d323b6985f030ac0fb5fda45d0cb8af14c3bb3898c8ff09cf5a292e40f357b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:46:46,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:46:46,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:46:46,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:46:46,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:46:46,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:46:46,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:46:46,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:46:46,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:46:46,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:46:46,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:46:46,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:46:46,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:46:46,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:46:46,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:46:46,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:46:46,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:46:46,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:46:46,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:46:46,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:46:46,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:46:46,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:46:46,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:46:46,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:46:46,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:46:46,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:46:46,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:46:46,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:46:46,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:46:46,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:46:46,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:46:46,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:46:46,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:46:46,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:46:46,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:46:46,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:46:46,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:46:46,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:46:46,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:46:46,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:46:46,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:46:46,237 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955dfd3-d434-433d-8a86-013e5b035a1e/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-21 22:46:46,276 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:46:46,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:46:46,279 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:46:46,279 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:46:46,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:46:46,281 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:46:46,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:46:46,281 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:46:46,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:46:46,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:46:46,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:46:46,283 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:46:46,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:46:46,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:46:46,284 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:46:46,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:46:46,284 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:46:46,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:46:46,285 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:46:46,285 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:46:46,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:46:46,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:46:46,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:46:46,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:46:46,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:46:46,286 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:46:46,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:46:46,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:46:46,287 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_a955dfd3-d434-433d-8a86-013e5b035a1e/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955dfd3-d434-433d-8a86-013e5b035a1e/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31d323b6985f030ac0fb5fda45d0cb8af14c3bb3898c8ff09cf5a292e40f357b [2022-11-21 22:46:46,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:46:46,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:46:46,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:46:46,618 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:46:46,618 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:46:46,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955dfd3-d434-433d-8a86-013e5b035a1e/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/array-patterns/array22_pattern.c [2022-11-21 22:46:49,704 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:46:49,998 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:46:49,998 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955dfd3-d434-433d-8a86-013e5b035a1e/sv-benchmarks/c/array-patterns/array22_pattern.c [2022-11-21 22:46:50,006 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955dfd3-d434-433d-8a86-013e5b035a1e/bin/ukojak-jW3SillKbg/data/e45ca345b/40d4d40c5c4c4294ad3f1ab989bb2379/FLAG98faa1154 [2022-11-21 22:46:50,022 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955dfd3-d434-433d-8a86-013e5b035a1e/bin/ukojak-jW3SillKbg/data/e45ca345b/40d4d40c5c4c4294ad3f1ab989bb2379 [2022-11-21 22:46:50,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:46:50,027 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:46:50,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:46:50,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:46:50,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:46:50,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:46:50" (1/1) ... [2022-11-21 22:46:50,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42b285d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:50, skipping insertion in model container [2022-11-21 22:46:50,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:46:50" (1/1) ... [2022-11-21 22:46:50,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:46:50,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:46:50,224 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955dfd3-d434-433d-8a86-013e5b035a1e/sv-benchmarks/c/array-patterns/array22_pattern.c[1347,1360] [2022-11-21 22:46:50,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:46:50,263 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:46:50,274 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955dfd3-d434-433d-8a86-013e5b035a1e/sv-benchmarks/c/array-patterns/array22_pattern.c[1347,1360] [2022-11-21 22:46:50,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:46:50,299 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:46:50,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:50 WrapperNode [2022-11-21 22:46:50,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:46:50,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:46:50,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:46:50,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:46:50,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:50" (1/1) ... [2022-11-21 22:46:50,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:50" (1/1) ... [2022-11-21 22:46:50,339 INFO L138 Inliner]: procedures = 17, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2022-11-21 22:46:50,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:46:50,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:46:50,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:46:50,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:46:50,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:50" (1/1) ... [2022-11-21 22:46:50,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:50" (1/1) ... [2022-11-21 22:46:50,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:50" (1/1) ... [2022-11-21 22:46:50,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:50" (1/1) ... [2022-11-21 22:46:50,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:50" (1/1) ... [2022-11-21 22:46:50,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:50" (1/1) ... [2022-11-21 22:46:50,365 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:50" (1/1) ... [2022-11-21 22:46:50,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:50" (1/1) ... [2022-11-21 22:46:50,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:46:50,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:46:50,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:46:50,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:46:50,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:50" (1/1) ... [2022-11-21 22:46:50,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:46:50,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955dfd3-d434-433d-8a86-013e5b035a1e/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:46:50,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955dfd3-d434-433d-8a86-013e5b035a1e/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:46:50,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a955dfd3-d434-433d-8a86-013e5b035a1e/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:46:50,456 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2022-11-21 22:46:50,456 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2022-11-21 22:46:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:46:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 22:46:50,457 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 22:46:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:46:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:46:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:46:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:46:50,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:46:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:46:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:46:50,548 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:46:50,550 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:46:50,768 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:46:50,919 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:46:50,925 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-21 22:46:50,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:46:50 BoogieIcfgContainer [2022-11-21 22:46:50,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:46:50,932 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:46:50,932 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:46:50,943 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:46:50,943 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:46:50" (1/1) ... [2022-11-21 22:46:50,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:46:51,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:51,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2022-11-21 22:46:51,038 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2022-11-21 22:46:51,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:46:51,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:51,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:51,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-21 22:46:51,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:46:51,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:46:51,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:51,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2022-11-21 22:46:51,339 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2022-11-21 22:46:51,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 22:46:51,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:51,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:51,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:46:51,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:46:51,606 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-21 22:46:51,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:51,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2022-11-21 22:46:51,711 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2022-11-21 22:46:51,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:46:51,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:51,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:51,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 22:46:51,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:46:51,826 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 22:46:51,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:51,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2022-11-21 22:46:51,958 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2022-11-21 22:46:51,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 22:46:51,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:51,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:52,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 22:46:52,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:46:52,124 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 22:46:52,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:52,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 85 transitions. [2022-11-21 22:46:52,549 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 85 transitions. [2022-11-21 22:46:52,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 22:46:52,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:52,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:52,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 22:46:52,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:46:52,692 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 22:46:53,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:53,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 64 states and 103 transitions. [2022-11-21 22:46:53,052 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 103 transitions. [2022-11-21 22:46:53,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 22:46:53,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:53,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:53,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 22:46:53,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:46:53,196 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 22:46:53,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:53,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 67 states and 109 transitions. [2022-11-21 22:46:53,411 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 109 transitions. [2022-11-21 22:46:53,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 22:46:53,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:53,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:53,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:46:53,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:46:53,606 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 22:46:54,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:54,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 69 states and 115 transitions. [2022-11-21 22:46:54,027 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 115 transitions. [2022-11-21 22:46:54,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 22:46:54,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:54,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:54,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 22:46:54,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:46:54,229 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 22:46:54,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:54,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 71 states and 120 transitions. [2022-11-21 22:46:54,929 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 120 transitions. [2022-11-21 22:46:54,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 22:46:54,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:54,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:54,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-21 22:46:54,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:46:55,150 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:46:55,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:55,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2022-11-21 22:46:55,851 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2022-11-21 22:46:55,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 22:46:55,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:55,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:55,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:46:55,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:46:56,176 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:46:57,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:57,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 62 states and 106 transitions. [2022-11-21 22:46:57,245 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 106 transitions. [2022-11-21 22:46:57,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 22:46:57,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:57,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:57,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:46:57,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:46:57,353 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:46:57,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:57,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 63 states and 107 transitions. [2022-11-21 22:46:57,618 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 107 transitions. [2022-11-21 22:46:57,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 22:46:57,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:57,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:57,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:46:57,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:46:57,754 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:46:57,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:57,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2022-11-21 22:46:57,954 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2022-11-21 22:46:57,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 22:46:57,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:57,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:58,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:46:58,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:46:58,097 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-21 22:46:59,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:59,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 56 states and 91 transitions. [2022-11-21 22:46:59,283 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 91 transitions. [2022-11-21 22:46:59,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 22:46:59,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:59,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:46:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:46:59,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:46:59,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:46:59,416 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-21 22:46:59,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:46:59,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 88 transitions. [2022-11-21 22:46:59,932 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2022-11-21 22:46:59,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 22:46:59,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:46:59,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:47:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:47:00,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:47:00,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:47:00,071 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-21 22:47:01,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:47:01,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 59 states and 96 transitions. [2022-11-21 22:47:01,060 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 96 transitions. [2022-11-21 22:47:01,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 22:47:01,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:47:01,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:47:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:47:01,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 22:47:01,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:47:01,187 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-21 22:47:01,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:47:01,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 60 states and 97 transitions. [2022-11-21 22:47:01,422 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 97 transitions. [2022-11-21 22:47:01,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-21 22:47:01,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:47:01,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:47:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:47:02,552 WARN L261 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 106 conjunts are in the unsatisfiable core [2022-11-21 22:47:02,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:47:03,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-11-21 22:47:03,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:03,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 34 [2022-11-21 22:47:03,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:03,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:03,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:03,825 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:47:03,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 40 [2022-11-21 22:47:04,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:04,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:04,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:04,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:04,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:04,016 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:47:04,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 49 [2022-11-21 22:47:06,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:06,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:06,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:06,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:06,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:06,603 INFO L321 Elim1Store]: treesize reduction 105, result has 47.2 percent of original size [2022-11-21 22:47:06,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 124 [2022-11-21 22:47:09,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 189 treesize of output 174 [2022-11-21 22:47:09,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:09,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:09,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:09,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:09,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:09,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:09,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:09,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:09,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:09,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:09,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:47:09,623 INFO L321 Elim1Store]: treesize reduction 308, result has 0.3 percent of original size [2022-11-21 22:47:09,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 173 treesize of output 289 [2022-11-21 22:47:09,718 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-21 22:47:09,729 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:47:09,733 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 310 [2022-11-21 22:48:19,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 909 treesize of output 865 [2022-11-21 22:48:19,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:48:19,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:48:19,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:48:19,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:48:25,881 WARN L233 SmtUtils]: Spent 6.59s on a formula simplification. DAG size of input: 203 DAG size of output: 69 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-21 22:48:25,882 INFO L321 Elim1Store]: treesize reduction 1020, result has 9.7 percent of original size [2022-11-21 22:48:25,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 6 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 60 case distinctions, treesize of input 1948 treesize of output 1866 [2022-11-21 22:48:45,640 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:50:40,957 WARN L233 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 136 DAG size of output: 134 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 22:52:20,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:52:20,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 78 states and 141 transitions. [2022-11-21 22:52:20,146 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 141 transitions. [2022-11-21 22:52:20,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-21 22:52:20,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:52:20,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:52:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:52:20,514 WARN L261 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 103 conjunts are in the unsatisfiable core [2022-11-21 22:52:20,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:52:23,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-11-21 22:52:29,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2022-11-21 22:52:35,080 INFO L321 Elim1Store]: treesize reduction 57, result has 36.0 percent of original size [2022-11-21 22:52:35,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 51 [2022-11-21 22:52:36,260 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-11-21 22:52:36,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 49 [2022-11-21 22:54:03,919 INFO L321 Elim1Store]: treesize reduction 147, result has 39.0 percent of original size [2022-11-21 22:54:03,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 124 [2022-11-21 22:54:43,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 189 treesize of output 174 [2022-11-21 22:54:43,645 INFO L321 Elim1Store]: treesize reduction 673, result has 6.4 percent of original size [2022-11-21 22:54:43,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 173 treesize of output 275 [2022-11-21 22:54:43,681 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:54:43,682 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2022-11-21 22:54:43,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:54:43,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:54:43,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:54:43,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:54:43,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:54:43,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:54:43,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:54:43,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:54:43,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:54:43,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 22:54:43,975 INFO L321 Elim1Store]: treesize reduction 275, result has 30.7 percent of original size [2022-11-21 22:54:43,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 209 treesize of output 212 [2022-11-21 22:55:52,054 WARN L233 SmtUtils]: Spent 9.42s on a formula simplification. DAG size of input: 211 DAG size of output: 69 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-21 22:55:52,055 INFO L321 Elim1Store]: treesize reduction 1062, result has 9.3 percent of original size [2022-11-21 22:55:52,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 342 treesize of output 235 [2022-11-21 22:56:05,031 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:58:10,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-21 22:58:24,767 WARN L233 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 81 DAG size of output: 79 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 22:59:04,908 WARN L233 SmtUtils]: Spent 17.19s on a formula simplification. DAG size of input: 83 DAG size of output: 82 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 23:00:20,039 WARN L233 SmtUtils]: Spent 9.66s on a formula simplification. DAG size of input: 96 DAG size of output: 95 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 23:00:55,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0]