./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound2.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_4d3508b9-3560-4805-9d18-c73212782600/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3508b9-3560-4805-9d18-c73212782600/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_4d3508b9-3560-4805-9d18-c73212782600/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3508b9-3560-4805-9d18-c73212782600/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3508b9-3560-4805-9d18-c73212782600/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_4d3508b9-3560-4805-9d18-c73212782600/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 1f6ee705374b9304c4ad35807ad9bde4a154c7f85315159d7da4519e0aae9554 --- 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 [2022-12-14 20:58:22,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:58:22,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:58:22,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:58:22,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:58:22,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:58:22,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:58:22,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:58:22,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:58:22,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:58:22,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:58:22,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:58:22,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:58:22,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:58:22,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:58:22,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:58:22,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:58:22,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:58:22,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:58:22,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:58:22,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:58:22,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:58:22,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:58:22,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:58:22,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:58:22,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:58:22,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:58:22,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:58:22,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:58:22,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:58:22,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:58:22,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:58:22,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:58:22,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:58:22,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:58:22,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:58:22,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:58:22,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:58:22,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:58:22,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:58:22,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:58:22,292 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3508b9-3560-4805-9d18-c73212782600/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 20:58:22,314 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:58:22,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:58:22,315 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:58:22,315 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:58:22,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:58:22,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:58:22,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:58:22,316 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:58:22,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:58:22,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:58:22,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:58:22,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:58:22,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:58:22,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:58:22,318 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:58:22,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:58:22,318 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:58:22,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:58:22,318 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:58:22,318 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:58:22,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:58:22,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:58:22,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:58:22,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:58:22,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:58:22,319 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:58:22,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:58:22,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:58:22,320 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_4d3508b9-3560-4805-9d18-c73212782600/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3508b9-3560-4805-9d18-c73212782600/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f6ee705374b9304c4ad35807ad9bde4a154c7f85315159d7da4519e0aae9554 [2022-12-14 20:58:22,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:58:22,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:58:22,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:58:22,528 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:58:22,529 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:58:22,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3508b9-3560-4805-9d18-c73212782600/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound2.i [2022-12-14 20:58:25,138 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:58:25,283 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:58:25,284 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3508b9-3560-4805-9d18-c73212782600/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound2.i [2022-12-14 20:58:25,288 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3508b9-3560-4805-9d18-c73212782600/bin/ukojak-rkRKPMF4O4/data/f29c3ea5d/c0d9dd56d4454c8a9b6c5b51bb7ebf1d/FLAG17c6714d6 [2022-12-14 20:58:25,299 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3508b9-3560-4805-9d18-c73212782600/bin/ukojak-rkRKPMF4O4/data/f29c3ea5d/c0d9dd56d4454c8a9b6c5b51bb7ebf1d [2022-12-14 20:58:25,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:58:25,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:58:25,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:58:25,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:58:25,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:58:25,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:58:25" (1/1) ... [2022-12-14 20:58:25,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@679268ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:58:25, skipping insertion in model container [2022-12-14 20:58:25,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:58:25" (1/1) ... [2022-12-14 20:58:25,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:58:25,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:58:25,427 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_4d3508b9-3560-4805-9d18-c73212782600/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound2.i[950,963] [2022-12-14 20:58:25,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:58:25,443 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:58:25,452 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_4d3508b9-3560-4805-9d18-c73212782600/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound2.i[950,963] [2022-12-14 20:58:25,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:58:25,466 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:58:25,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:58:25 WrapperNode [2022-12-14 20:58:25,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:58:25,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:58:25,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:58:25,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:58:25,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:58:25" (1/1) ... [2022-12-14 20:58:25,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:58:25" (1/1) ... [2022-12-14 20:58:25,491 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2022-12-14 20:58:25,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:58:25,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:58:25,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:58:25,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:58:25,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:58:25" (1/1) ... [2022-12-14 20:58:25,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:58:25" (1/1) ... [2022-12-14 20:58:25,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:58:25" (1/1) ... [2022-12-14 20:58:25,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:58:25" (1/1) ... [2022-12-14 20:58:25,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:58:25" (1/1) ... [2022-12-14 20:58:25,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:58:25" (1/1) ... [2022-12-14 20:58:25,504 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:58:25" (1/1) ... [2022-12-14 20:58:25,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:58:25" (1/1) ... [2022-12-14 20:58:25,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:58:25,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:58:25,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:58:25,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:58:25,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:58:25" (1/1) ... [2022-12-14 20:58:25,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:58:25,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3508b9-3560-4805-9d18-c73212782600/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:58:25,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3508b9-3560-4805-9d18-c73212782600/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:58:25,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3508b9-3560-4805-9d18-c73212782600/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:58:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:58:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 20:58:25,567 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 20:58:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:58:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:58:25,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:58:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 20:58:25,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 20:58:25,622 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:58:25,624 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:58:25,726 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:58:25,758 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:58:25,759 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 20:58:25,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:58:25 BoogieIcfgContainer [2022-12-14 20:58:25,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:58:25,762 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:58:25,762 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:58:25,771 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:58:25,771 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:58:25" (1/1) ... [2022-12-14 20:58:25,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:58:25,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:58:25,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2022-12-14 20:58:25,827 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2022-12-14 20:58:25,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 20:58:25,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:58:25,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:58:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:58:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:58:25,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 20:58:25,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:58:25,991 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 20:58:26,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:58:26,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2022-12-14 20:58:26,023 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-12-14 20:58:26,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 20:58:26,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:58:26,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:58:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:58:26,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 20:58:26,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:58:26,311 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 20:58:26,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:58:26,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2022-12-14 20:58:26,482 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2022-12-14 20:58:26,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 20:58:26,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:58:26,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:58:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:58:26,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 20:58:26,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:58:26,732 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 20:58:27,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:58:27,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 48 transitions. [2022-12-14 20:58:27,189 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2022-12-14 20:58:27,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 20:58:27,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:58:27,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:58:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:58:27,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 20:58:27,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:58:27,365 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 20:58:28,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:58:28,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 31 states and 43 transitions. [2022-12-14 20:58:28,111 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2022-12-14 20:58:28,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 20:58:28,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:58:28,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:58:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:58:28,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 20:58:28,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:58:28,264 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 20:58:28,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:58:28,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 35 states and 49 transitions. [2022-12-14 20:58:28,561 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2022-12-14 20:58:28,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 20:58:28,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:58:28,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:58:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:58:28,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 20:58:28,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:58:28,614 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 20:58:29,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:58:29,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 40 states and 61 transitions. [2022-12-14 20:58:29,120 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2022-12-14 20:58:29,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 20:58:29,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:58:29,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:58:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:58:29,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-14 20:58:29,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:58:30,432 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 20:58:35,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:58:35,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 47 states and 74 transitions. [2022-12-14 20:58:35,908 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2022-12-14 20:58:35,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 20:58:35,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:58:35,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:58:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:58:36,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 36 conjunts are in the unsatisfiable core [2022-12-14 20:58:36,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:58:36,804 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 20:58:51,128 WARN L233 SmtUtils]: Spent 8.76s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 20:58:51,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:58:51,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 50 states and 79 transitions. [2022-12-14 20:58:51,507 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2022-12-14 20:58:51,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 20:58:51,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:58:51,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:58:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:58:51,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-14 20:58:51,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:58:52,672 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-14 20:58:52,783 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-14 20:58:53,465 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-14 20:58:53,636 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 20:58:56,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:58:56,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 52 states and 84 transitions. [2022-12-14 20:58:56,538 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 84 transitions. [2022-12-14 20:58:56,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 20:58:56,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:58:56,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:58:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:58:56,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 20:58:56,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:58:57,684 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 20:59:03,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:59:03,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 55 states and 92 transitions. [2022-12-14 20:59:03,311 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2022-12-14 20:59:03,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 20:59:03,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:59:03,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:59:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:59:03,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 20:59:03,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:59:03,497 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 20:59:05,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:59:05,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 57 states and 95 transitions. [2022-12-14 20:59:05,552 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 95 transitions. [2022-12-14 20:59:05,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 20:59:05,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:59:05,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:59:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:59:06,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 43 conjunts are in the unsatisfiable core [2022-12-14 20:59:06,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 20:59:27,580 WARN L233 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 20:59:35,160 WARN L233 SmtUtils]: Spent 5.28s on a formula simplification. DAG size of input: 16 DAG size of output: 1 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 20:59:37,691 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 20:59:54,408 WARN L233 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 60 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 20:59:58,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:59:58,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 65 states and 113 transitions. [2022-12-14 20:59:58,143 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 113 transitions. [2022-12-14 20:59:58,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 20:59:58,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:59:58,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:59:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:59:58,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-14 20:59:58,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:00:05,021 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 14 proven. 17 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 21:00:36,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:00:36,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 43 states and 57 transitions. [2022-12-14 21:00:36,205 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2022-12-14 21:00:36,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 21:00:36,206 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2022-12-14 21:00:36,211 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 21:00:50,832 WARN L233 SmtUtils]: Spent 13.28s on a formula simplification. DAG size of input: 173 DAG size of output: 20 (called from [L 651] de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.computeHoareAnnotation) [2022-12-14 21:00:58,766 WARN L233 SmtUtils]: Spent 7.92s on a formula simplification. DAG size of input: 173 DAG size of output: 20 (called from [L 651] de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.computeHoareAnnotation) [2022-12-14 21:00:59,313 INFO L560 CodeCheckObserver]: Invariant with dag size 32 [2022-12-14 21:00:59,320 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 21:00:59,320 INFO L560 CodeCheckObserver]: Invariant with dag size 20 [2022-12-14 21:00:59,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 09:00:59 ImpRootNode [2022-12-14 21:00:59,321 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 21:00:59,321 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 21:00:59,321 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 21:00:59,321 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 21:00:59,322 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:58:25" (3/4) ... [2022-12-14 21:00:59,324 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 21:00:59,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-14 21:00:59,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 21:00:59,330 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-14 21:00:59,330 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 21:00:59,330 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 21:00:59,330 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 21:00:59,353 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3508b9-3560-4805-9d18-c73212782600/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 21:00:59,353 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 21:00:59,354 INFO L158 Benchmark]: Toolchain (without parser) took 154051.47ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 108.3MB in the beginning and 62.0MB in the end (delta: 46.3MB). Peak memory consumption was 90.3MB. Max. memory is 16.1GB. [2022-12-14 21:00:59,354 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 140.5MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:00:59,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 163.32ms. Allocated memory is still 140.5MB. Free memory was 108.3MB in the beginning and 97.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 21:00:59,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.01ms. Allocated memory is still 140.5MB. Free memory was 97.8MB in the beginning and 96.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:00:59,355 INFO L158 Benchmark]: Boogie Preprocessor took 14.69ms. Allocated memory is still 140.5MB. Free memory was 96.0MB in the beginning and 95.1MB in the end (delta: 890.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:00:59,355 INFO L158 Benchmark]: RCFGBuilder took 254.83ms. Allocated memory is still 140.5MB. Free memory was 95.1MB in the beginning and 82.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 21:00:59,355 INFO L158 Benchmark]: CodeCheck took 153558.84ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 82.5MB in the beginning and 64.1MB in the end (delta: 18.4MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2022-12-14 21:00:59,355 INFO L158 Benchmark]: Witness Printer took 32.12ms. Allocated memory is still 182.5MB. Free memory was 64.1MB in the beginning and 62.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:00:59,357 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 3 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 130.4s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1402 SdHoareTripleChecker+Valid, 20.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 529 mSDsluCounter, 1285 SdHoareTripleChecker+Invalid, 19.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 632 mSDsCounter, 1113 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2807 IncrementalHoareTripleChecker+Invalid, 3920 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1113 mSolverCounterUnsat, 653 mSDtfsCounter, 2807 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4009 GetRequests, 3781 SyntacticMatches, 58 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13646 ImplicationChecksByTransitivity, 92.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 44.4s InterpolantComputationTime, 404 NumberOfCodeBlocks, 404 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 391 ConstructedInterpolants, 4 QuantifiedInterpolants, 4011 SizeOfPredicates, 51 NumberOfNonLiveVariables, 1185 ConjunctsInSsa, 323 ConjunctsInUnsatCore, 13 InterpolantComputations, 2 PerfectInterpolantSequences, 208/280 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: 37]: Loop Invariant Derived loop invariant: (((((b == 2 * B && -b / -2 % 4294967296 <= r % 4294967296) || !(A % 4294967296 <= 2)) || !(b % 4294967296 <= 2)) || B == b) || !(1 <= b % 4294967296)) || !(q == 0 && A == r) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: !(b % 4294967296 <= r % 4294967296) || !(((A % 4294967296 <= 2 && 1 <= r % 4294967296) && q == 0) && A == r) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 140.5MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 163.32ms. Allocated memory is still 140.5MB. Free memory was 108.3MB in the beginning and 97.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.01ms. Allocated memory is still 140.5MB. Free memory was 97.8MB in the beginning and 96.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.69ms. Allocated memory is still 140.5MB. Free memory was 96.0MB in the beginning and 95.1MB in the end (delta: 890.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 254.83ms. Allocated memory is still 140.5MB. Free memory was 95.1MB in the beginning and 82.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 153558.84ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 82.5MB in the beginning and 64.1MB in the end (delta: 18.4MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. * Witness Printer took 32.12ms. Allocated memory is still 182.5MB. Free memory was 64.1MB in the beginning and 62.0MB 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! [2022-12-14 21:00:59,567 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3508b9-3560-4805-9d18-c73212782600/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2022-12-14 21:00:59,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3508b9-3560-4805-9d18-c73212782600/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE