./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_cfda1d2b-9fab-4d55-b36e-fb8c69c6c4f7/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfda1d2b-9fab-4d55-b36e-fb8c69c6c4f7/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfda1d2b-9fab-4d55-b36e-fb8c69c6c4f7/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfda1d2b-9fab-4d55-b36e-fb8c69c6c4f7/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfda1d2b-9fab-4d55-b36e-fb8c69c6c4f7/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfda1d2b-9fab-4d55-b36e-fb8c69c6c4f7/bin/ukojak-rkRKPMF4O4 --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 5d6ad2c11d3a75b8845224ed23d407062e615cc5bd2b5ad3e6646436a3e13805 --- 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-2329fc7 [2022-12-15 02:52:49,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:52:49,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:52:49,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:52:49,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:52:49,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:52:49,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:52:49,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:52:49,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:52:49,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:52:49,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:52:49,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:52:49,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:52:49,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:52:49,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:52:49,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:52:49,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:52:49,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:52:49,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:52:49,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:52:49,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:52:49,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:52:49,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:52:49,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:52:49,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:52:49,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:52:49,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:52:49,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:52:49,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:52:49,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:52:49,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:52:49,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:52:49,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:52:49,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:52:49,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:52:49,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:52:49,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:52:49,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:52:49,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:52:49,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:52:49,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:52:49,252 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfda1d2b-9fab-4d55-b36e-fb8c69c6c4f7/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 02:52:49,273 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:52:49,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:52:49,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:52:49,275 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:52:49,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:52:49,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:52:49,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:52:49,276 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:52:49,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:52:49,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:52:49,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:52:49,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:52:49,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:52:49,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:52:49,277 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:52:49,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:52:49,278 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:52:49,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:52:49,278 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:52:49,278 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:52:49,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:52:49,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:52:49,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:52:49,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:52:49,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:52:49,280 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:52:49,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:52:49,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:52:49,280 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_cfda1d2b-9fab-4d55-b36e-fb8c69c6c4f7/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfda1d2b-9fab-4d55-b36e-fb8c69c6c4f7/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d6ad2c11d3a75b8845224ed23d407062e615cc5bd2b5ad3e6646436a3e13805 [2022-12-15 02:52:49,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:52:49,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:52:49,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:52:49,491 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:52:49,492 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:52:49,493 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfda1d2b-9fab-4d55-b36e-fb8c69c6c4f7/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound10.i [2022-12-15 02:52:52,117 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:52:52,249 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:52:52,250 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfda1d2b-9fab-4d55-b36e-fb8c69c6c4f7/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound10.i [2022-12-15 02:52:52,255 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfda1d2b-9fab-4d55-b36e-fb8c69c6c4f7/bin/ukojak-rkRKPMF4O4/data/72222f337/b0eb2075e70247bc91dc9474e0658b0e/FLAGed2ed0fac [2022-12-15 02:52:52,266 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfda1d2b-9fab-4d55-b36e-fb8c69c6c4f7/bin/ukojak-rkRKPMF4O4/data/72222f337/b0eb2075e70247bc91dc9474e0658b0e [2022-12-15 02:52:52,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:52:52,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:52:52,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:52:52,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:52:52,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:52:52,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:52:52" (1/1) ... [2022-12-15 02:52:52,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@495bca90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:52:52, skipping insertion in model container [2022-12-15 02:52:52,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:52:52" (1/1) ... [2022-12-15 02:52:52,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:52:52,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:52:52,414 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_cfda1d2b-9fab-4d55-b36e-fb8c69c6c4f7/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound10.i[951,964] [2022-12-15 02:52:52,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:52:52,433 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:52:52,442 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_cfda1d2b-9fab-4d55-b36e-fb8c69c6c4f7/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound10.i[951,964] [2022-12-15 02:52:52,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:52:52,456 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:52:52,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:52:52 WrapperNode [2022-12-15 02:52:52,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:52:52,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:52:52,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:52:52,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:52:52,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:52:52" (1/1) ... [2022-12-15 02:52:52,468 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:52:52" (1/1) ... [2022-12-15 02:52:52,481 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 46 [2022-12-15 02:52:52,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:52:52,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:52:52,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:52:52,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:52:52,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:52:52" (1/1) ... [2022-12-15 02:52:52,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:52:52" (1/1) ... [2022-12-15 02:52:52,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:52:52" (1/1) ... [2022-12-15 02:52:52,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:52:52" (1/1) ... [2022-12-15 02:52:52,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:52:52" (1/1) ... [2022-12-15 02:52:52,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:52:52" (1/1) ... [2022-12-15 02:52:52,494 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:52:52" (1/1) ... [2022-12-15 02:52:52,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:52:52" (1/1) ... [2022-12-15 02:52:52,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:52:52,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:52:52,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:52:52,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:52:52,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:52:52" (1/1) ... [2022-12-15 02:52:52,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:52:52,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfda1d2b-9fab-4d55-b36e-fb8c69c6c4f7/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:52:52,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfda1d2b-9fab-4d55-b36e-fb8c69c6c4f7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:52:52,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfda1d2b-9fab-4d55-b36e-fb8c69c6c4f7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:52:52,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:52:52,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:52:52,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:52:52,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:52:52,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-15 02:52:52,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-15 02:52:52,611 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:52:52,613 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:52:52,710 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:52:52,741 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:52:52,741 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 02:52:52,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:52:52 BoogieIcfgContainer [2022-12-15 02:52:52,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:52:52,744 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:52:52,744 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:52:52,752 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:52:52,752 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:52:52" (1/1) ... [2022-12-15 02:52:52,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:52:52,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:52:52,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2022-12-15 02:52:52,798 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2022-12-15 02:52:52,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 02:52:52,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:52:52,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:52:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:52:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:52:52,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-15 02:52:52,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:52:52,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:52:52,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:52:52,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2022-12-15 02:52:52,934 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-12-15 02:52:52,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:52:52,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:52:52,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:52:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:52:52,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-15 02:52:52,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:52:53,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:52:53,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:52:53,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2022-12-15 02:52:53,225 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-12-15 02:52:53,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 02:52:53,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:52:53,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:52:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:52:53,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 02:52:53,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:52:53,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:52:53,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:52:53,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2022-12-15 02:52:53,629 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2022-12-15 02:52:53,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 02:52:53,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:52:53,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:52:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:52:53,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-15 02:52:53,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:52:53,768 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:52:54,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:52:54,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2022-12-15 02:52:54,009 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2022-12-15 02:52:54,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 02:52:54,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:52:54,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:52:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:52:54,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 02:52:54,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:52:54,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:52:54,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:52:54,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2022-12-15 02:52:54,361 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2022-12-15 02:52:54,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 02:52:54,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:52:54,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:52:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:52:54,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-15 02:52:54,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:52:54,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:52:54,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:52:54,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2022-12-15 02:52:54,855 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2022-12-15 02:52:54,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 02:52:54,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:52:54,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:52:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:52:54,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-15 02:52:54,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:52:54,956 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 02:52:55,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:52:55,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 59 transitions. [2022-12-15 02:52:55,607 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 59 transitions. [2022-12-15 02:52:55,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 02:52:55,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:52:55,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:52:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:52:55,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-15 02:52:55,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:52:55,785 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:52:56,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:52:56,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2022-12-15 02:52:56,156 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2022-12-15 02:52:56,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 02:52:56,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:52:56,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:52:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:52:56,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-15 02:52:56,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:52:56,472 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:52:57,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:52:57,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2022-12-15 02:52:57,177 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2022-12-15 02:52:57,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 02:52:57,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:52:57,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:52:57,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:52:57,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-15 02:52:57,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:52:57,437 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:52:58,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:52:58,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 53 states and 89 transitions. [2022-12-15 02:52:58,486 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 89 transitions. [2022-12-15 02:52:58,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 02:52:58,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:52:58,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:52:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:52:58,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-15 02:52:58,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:52:58,863 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 02:52:59,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:52:59,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 58 states and 97 transitions. [2022-12-15 02:52:59,734 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 97 transitions. [2022-12-15 02:52:59,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 02:52:59,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:52:59,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:52:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:52:59,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 31 conjunts are in the unsatisfiable core [2022-12-15 02:52:59,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:53:00,153 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:53:01,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:53:01,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 63 states and 106 transitions. [2022-12-15 02:53:01,393 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 106 transitions. [2022-12-15 02:53:01,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 02:53:01,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:53:01,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:53:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:53:01,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 32 conjunts are in the unsatisfiable core [2022-12-15 02:53:01,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:53:02,250 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:53:06,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 02:53:07,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:53:07,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 71 states and 122 transitions. [2022-12-15 02:53:07,111 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 122 transitions. [2022-12-15 02:53:07,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 02:53:07,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:53:07,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:53:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:53:07,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 02:53:07,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:53:07,806 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:53:13,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:53:13,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 74 states and 129 transitions. [2022-12-15 02:53:13,957 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 129 transitions. [2022-12-15 02:53:13,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 02:53:13,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:53:13,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:53:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:53:14,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-15 02:53:14,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:53:14,479 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:53:20,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:53:20,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 77 states and 136 transitions. [2022-12-15 02:53:20,371 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 136 transitions. [2022-12-15 02:53:20,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 02:53:20,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:53:20,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:53:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:53:20,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 02:53:20,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:53:20,755 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 02:53:21,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:53:21,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 79 states and 140 transitions. [2022-12-15 02:53:21,780 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 140 transitions. [2022-12-15 02:53:21,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-15 02:53:21,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:53:21,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:53:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:53:22,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 44 conjunts are in the unsatisfiable core [2022-12-15 02:53:22,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:53:29,900 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 34 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:53:58,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:53:58,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 90 states and 162 transitions. [2022-12-15 02:53:58,917 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 162 transitions. [2022-12-15 02:53:58,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 02:53:58,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:53:58,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:54:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:54:00,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 47 conjunts are in the unsatisfiable core [2022-12-15 02:54:00,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:54:01,640 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 5 proven. 42 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:54:08,775 WARN L233 SmtUtils]: Spent 5.95s on a formula simplification that was a NOOP. DAG size: 100 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 02:54:16,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:54:16,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 99 states and 179 transitions. [2022-12-15 02:54:16,865 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 179 transitions. [2022-12-15 02:54:16,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 02:54:16,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:54:16,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:54:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:54:17,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-15 02:54:17,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:54:17,856 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 16 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-15 02:54:20,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:54:20,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 101 states and 183 transitions. [2022-12-15 02:54:20,903 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 183 transitions. [2022-12-15 02:54:20,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-15 02:54:20,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:54:20,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:54:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:54:22,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 50 conjunts are in the unsatisfiable core [2022-12-15 02:54:22,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:54:27,363 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 13 proven. 50 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-15 02:54:55,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 02:54:59,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 02:54:59,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:54:59,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 109 states and 201 transitions. [2022-12-15 02:54:59,604 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 201 transitions. [2022-12-15 02:54:59,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-15 02:54:59,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:54:59,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:55:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:55:05,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 33 conjunts are in the unsatisfiable core [2022-12-15 02:55:05,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 02:55:06,328 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 20 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-15 02:55:09,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:55:09,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 59 states and 77 transitions. [2022-12-15 02:55:09,534 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2022-12-15 02:55:09,534 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 02:55:09,535 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2022-12-15 02:55:09,539 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-15 02:55:11,866 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 02:55:11,869 INFO L560 CodeCheckObserver]: Invariant with dag size 43 [2022-12-15 02:55:11,876 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 02:55:11,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 02:55:11 ImpRootNode [2022-12-15 02:55:11,876 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 02:55:11,877 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 02:55:11,877 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 02:55:11,877 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 02:55:11,877 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:52:52" (3/4) ... [2022-12-15 02:55:11,880 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 02:55:11,885 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-15 02:55:11,888 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-12-15 02:55:11,888 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-15 02:55:11,888 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 02:55:11,888 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 02:55:11,921 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfda1d2b-9fab-4d55-b36e-fb8c69c6c4f7/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 02:55:11,921 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 02:55:11,921 INFO L158 Benchmark]: Toolchain (without parser) took 139652.20ms. Allocated memory is still 161.5MB. Free memory was 128.2MB in the beginning and 56.9MB in the end (delta: 71.3MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2022-12-15 02:55:11,921 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 107.0MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:55:11,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.93ms. Allocated memory is still 161.5MB. Free memory was 127.6MB in the beginning and 117.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 02:55:11,922 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.66ms. Allocated memory is still 161.5MB. Free memory was 117.1MB in the beginning and 115.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:55:11,922 INFO L158 Benchmark]: Boogie Preprocessor took 14.30ms. Allocated memory is still 161.5MB. Free memory was 115.6MB in the beginning and 115.0MB in the end (delta: 609.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:55:11,922 INFO L158 Benchmark]: RCFGBuilder took 246.97ms. Allocated memory is still 161.5MB. Free memory was 114.4MB in the beginning and 101.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-15 02:55:11,923 INFO L158 Benchmark]: CodeCheck took 139132.37ms. Allocated memory is still 161.5MB. Free memory was 101.8MB in the beginning and 59.0MB in the end (delta: 42.9MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. [2022-12-15 02:55:11,923 INFO L158 Benchmark]: Witness Printer took 44.30ms. Allocated memory is still 161.5MB. Free memory was 59.0MB in the beginning and 56.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:55:11,924 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 136.8s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2353 SdHoareTripleChecker+Valid, 106.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1299 mSDsluCounter, 2317 SdHoareTripleChecker+Invalid, 102.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1818 mSDsCounter, 3473 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7274 IncrementalHoareTripleChecker+Invalid, 10747 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3473 mSolverCounterUnsat, 499 mSDtfsCounter, 7274 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5877 GetRequests, 5448 SyntacticMatches, 165 SemanticMatches, 264 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42140 ImplicationChecksByTransitivity, 99.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 11.1s SatisfiabilityAnalysisTime, 18.5s InterpolantComputationTime, 510 NumberOfCodeBlocks, 510 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 489 ConstructedInterpolants, 0 QuantifiedInterpolants, 6205 SizeOfPredicates, 71 NumberOfNonLiveVariables, 1650 ConjunctsInSsa, 544 ConjunctsInUnsatCore, 21 InterpolantComputations, 4 PerfectInterpolantSequences, 223/577 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 21]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((((((((8 * (B % 536870912) <= r % 4294967296 && 16 * B == b) && q == 0) && A == r) && B == 1) && A % 4294967296 <= 10) || (((((q == 0 && 2 <= r % 4294967296) && A == r) && b == B * 4) && B == 1) && A % 4294967296 <= 10)) || ((((q == 0 && B == b) && A == r) && B == 1) && A % 4294967296 <= 10)) || (((((1 <= r % 4294967296 && q == 0) && A == r) && 2 == b) && B == 1) && A % 4294967296 <= 10)) || (((((B * 8 == b && q == 0) && A == r) && B == 1) && A % 4294967296 <= 10) && 4 * (B % 1073741824) <= r % 4294967296) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 107.0MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 186.93ms. Allocated memory is still 161.5MB. Free memory was 127.6MB in the beginning and 117.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.66ms. Allocated memory is still 161.5MB. Free memory was 117.1MB in the beginning and 115.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.30ms. Allocated memory is still 161.5MB. Free memory was 115.6MB in the beginning and 115.0MB in the end (delta: 609.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 246.97ms. Allocated memory is still 161.5MB. Free memory was 114.4MB in the beginning and 101.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 139132.37ms. Allocated memory is still 161.5MB. Free memory was 101.8MB in the beginning and 59.0MB in the end (delta: 42.9MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. * Witness Printer took 44.30ms. Allocated memory is still 161.5MB. Free memory was 59.0MB in the beginning and 56.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 02:55:12,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfda1d2b-9fab-4d55-b36e-fb8c69c6c4f7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE