./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba73a29-0a63-41e2-ac6b-642e63715af1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba73a29-0a63-41e2-ac6b-642e63715af1/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba73a29-0a63-41e2-ac6b-642e63715af1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba73a29-0a63-41e2-ac6b-642e63715af1/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba73a29-0a63-41e2-ac6b-642e63715af1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba73a29-0a63-41e2-ac6b-642e63715af1/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --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 87db985859a6b034137d18f88e4077536120341f1ad0cccc5267e9ee4379ce7a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:33:48,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:33:48,903 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba73a29-0a63-41e2-ac6b-642e63715af1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:33:48,907 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:33:48,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:33:48,954 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:33:48,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:33:48,955 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:33:48,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:33:48,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:33:48,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:33:48,957 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:33:48,961 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:33:48,962 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:33:48,962 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:33:48,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:33:48,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:33:48,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:33:48,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:33:48,967 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:33:48,967 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:33:48,972 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:33:48,972 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:33:48,973 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:33:48,973 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:33:48,973 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:33:48,974 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:33:48,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:33:48,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:33:48,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:33:48,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:33:48,975 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:33:48,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:33:48,976 INFO L153 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_5ba73a29-0a63-41e2-ac6b-642e63715af1/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba73a29-0a63-41e2-ac6b-642e63715af1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87db985859a6b034137d18f88e4077536120341f1ad0cccc5267e9ee4379ce7a [2024-11-09 00:33:49,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:33:49,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:33:49,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:33:49,333 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:33:49,334 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:33:49,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba73a29-0a63-41e2-ac6b-642e63715af1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c Unable to find full path for "g++" [2024-11-09 00:33:51,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:33:51,575 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:33:51,575 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba73a29-0a63-41e2-ac6b-642e63715af1/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c [2024-11-09 00:33:51,582 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba73a29-0a63-41e2-ac6b-642e63715af1/bin/ukojak-verify-ImItNfHLgk/data/18f4b0747/1a27d2acbe9f437fb12e063cd6775db7/FLAGdb3b8301b [2024-11-09 00:33:51,598 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba73a29-0a63-41e2-ac6b-642e63715af1/bin/ukojak-verify-ImItNfHLgk/data/18f4b0747/1a27d2acbe9f437fb12e063cd6775db7 [2024-11-09 00:33:51,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:33:51,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:33:51,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:33:51,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:33:51,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:33:51,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:33:51" (1/1) ... [2024-11-09 00:33:51,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5f41b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:51, skipping insertion in model container [2024-11-09 00:33:51,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:33:51" (1/1) ... [2024-11-09 00:33:51,634 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:33:51,864 WARN L250 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_5ba73a29-0a63-41e2-ac6b-642e63715af1/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c[537,550] [2024-11-09 00:33:51,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:33:51,897 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:33:51,908 WARN L250 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_5ba73a29-0a63-41e2-ac6b-642e63715af1/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c[537,550] [2024-11-09 00:33:51,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:33:51,935 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:33:51,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:51 WrapperNode [2024-11-09 00:33:51,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:33:51,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:33:51,937 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:33:51,937 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:33:51,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:51" (1/1) ... [2024-11-09 00:33:51,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:51" (1/1) ... [2024-11-09 00:33:51,976 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2024-11-09 00:33:51,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:33:51,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:33:51,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:33:51,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:33:51,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:51" (1/1) ... [2024-11-09 00:33:51,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:51" (1/1) ... [2024-11-09 00:33:51,989 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:51" (1/1) ... [2024-11-09 00:33:51,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:51" (1/1) ... [2024-11-09 00:33:51,997 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:51" (1/1) ... [2024-11-09 00:33:52,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:51" (1/1) ... [2024-11-09 00:33:52,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:51" (1/1) ... [2024-11-09 00:33:52,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:51" (1/1) ... [2024-11-09 00:33:52,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:33:52,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:33:52,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:33:52,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:33:52,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:33:51" (1/1) ... [2024-11-09 00:33:52,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:33:52,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba73a29-0a63-41e2-ac6b-642e63715af1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:33:52,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba73a29-0a63-41e2-ac6b-642e63715af1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:33:52,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba73a29-0a63-41e2-ac6b-642e63715af1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:33:52,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:33:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:33:52,093 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:33:52,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:33:52,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:33:52,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:33:52,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:33:52,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:33:52,178 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:33:52,181 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:33:52,402 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-09 00:33:52,402 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:33:52,463 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:33:52,463 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:33:52,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:33:52 BoogieIcfgContainer [2024-11-09 00:33:52,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:33:52,465 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:33:52,465 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:33:52,477 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:33:52,477 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:33:52" (1/1) ... [2024-11-09 00:33:52,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:33:52,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:52,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-09 00:33:52,640 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-09 00:33:52,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:33:52,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:52,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:53,011 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:33:53,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:53,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-09 00:33:53,043 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-09 00:33:53,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:33:53,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:53,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:33:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:53,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:33:53,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:53,502 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:33:53,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:53,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2024-11-09 00:33:53,739 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2024-11-09 00:33:53,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:33:53,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:53,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:53,933 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:33:54,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:54,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 39 transitions. [2024-11-09 00:33:54,270 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2024-11-09 00:33:54,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 00:33:54,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:54,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:33:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:54,792 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:34:05,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:34:06,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:06,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 39 transitions. [2024-11-09 00:34:06,174 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2024-11-09 00:34:06,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 00:34:06,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:06,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:34:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:06,372 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:34:07,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:07,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 47 transitions. [2024-11-09 00:34:07,903 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2024-11-09 00:34:07,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 00:34:07,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:07,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:34:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:34:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:09,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 00:34:09,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:11,807 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:34:22,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:22,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 36 states and 53 transitions. [2024-11-09 00:34:22,062 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2024-11-09 00:34:22,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:34:22,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:22,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:34:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:22,202 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-09 00:34:23,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:23,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 23 states and 28 transitions. [2024-11-09 00:34:23,915 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2024-11-09 00:34:23,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:34:23,916 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-09 00:34:23,924 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 00:34:24,761 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:34:24,761 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: true [2024-11-09 00:34:24,763 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: (= ~counter~0 0) [2024-11-09 00:34:24,763 INFO L77 FloydHoareUtils]: At program point L25-1(line 25) the Hoare annotation is: true [2024-11-09 00:34:24,763 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:34:24,763 INFO L77 FloydHoareUtils]: At program point L42-2(lines 36 49) the Hoare annotation is: true [2024-11-09 00:34:24,764 INFO L77 FloydHoareUtils]: At program point L36-1(lines 36 49) the Hoare annotation is: (not (and (= |ULTIMATE.start_main_#t~post6#1| 0) (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~u~0#1|) (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~v~0#1|) (< ~counter~0 1) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|))) [2024-11-09 00:34:24,765 INFO L77 FloydHoareUtils]: At program point L36-3(lines 36 49) the Hoare annotation is: true [2024-11-09 00:34:24,765 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: true [2024-11-09 00:34:24,766 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: true [2024-11-09 00:34:24,766 INFO L77 FloydHoareUtils]: At program point L51(line 51) the Hoare annotation is: true [2024-11-09 00:34:24,766 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-11-09 00:34:24,766 INFO L77 FloydHoareUtils]: At program point L37-1(lines 36 49) the Hoare annotation is: (let ((.cse0 (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|))) (= (* 2 .cse0) (+ (* (div .cse0 2147483648) 4294967296) (mod (+ (* |ULTIMATE.start_main_~v~0#1| |ULTIMATE.start_main_~y~0#1|) (* |ULTIMATE.start_main_~u~0#1| |ULTIMATE.start_main_~x~0#1|)) 4294967296)))) [2024-11-09 00:34:24,766 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 8 10) the Hoare annotation is: true [2024-11-09 00:34:24,767 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 8 10) the Hoare annotation is: true [2024-11-09 00:34:24,767 INFO L77 FloydHoareUtils]: At program point L13(lines 13 14) the Hoare annotation is: true [2024-11-09 00:34:24,767 INFO L77 FloydHoareUtils]: At program point L12(lines 12 15) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-11-09 00:34:24,767 INFO L77 FloydHoareUtils]: At program point L12-2(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-09 00:34:24,767 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-09 00:34:24,767 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-11-09 00:34:24,768 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) the Hoare annotation is: true [2024-11-09 00:34:24,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:34:24 ImpRootNode [2024-11-09 00:34:24,793 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:34:24,794 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:34:24,794 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:34:24,794 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:34:24,795 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:33:52" (3/4) ... [2024-11-09 00:34:24,798 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:34:24,803 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-09 00:34:24,805 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 00:34:24,811 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-09 00:34:24,813 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-09 00:34:24,813 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 00:34:24,814 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:34:24,814 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:34:24,913 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba73a29-0a63-41e2-ac6b-642e63715af1/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:34:24,914 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba73a29-0a63-41e2-ac6b-642e63715af1/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:34:24,914 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:34:24,915 INFO L158 Benchmark]: Toolchain (without parser) took 33311.63ms. Allocated memory was 132.1MB in the beginning and 205.5MB in the end (delta: 73.4MB). Free memory was 69.1MB in the beginning and 105.9MB in the end (delta: -36.8MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2024-11-09 00:34:24,915 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 132.1MB. Free memory was 105.4MB in the beginning and 105.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:34:24,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.18ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 68.8MB in the beginning and 138.1MB in the end (delta: -69.2MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-11-09 00:34:24,917 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.73ms. Allocated memory is still 169.9MB. Free memory was 138.1MB in the beginning and 136.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:34:24,919 INFO L158 Benchmark]: Boogie Preprocessor took 35.76ms. Allocated memory is still 169.9MB. Free memory was 136.0MB in the beginning and 135.1MB in the end (delta: 875.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:34:24,919 INFO L158 Benchmark]: RCFGBuilder took 446.33ms. Allocated memory is still 169.9MB. Free memory was 135.1MB in the beginning and 140.9MB in the end (delta: -5.8MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2024-11-09 00:34:24,920 INFO L158 Benchmark]: CodeCheck took 32328.06ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 140.9MB in the beginning and 111.2MB in the end (delta: 29.7MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. [2024-11-09 00:34:24,920 INFO L158 Benchmark]: Witness Printer took 120.39ms. Allocated memory is still 205.5MB. Free memory was 111.2MB in the beginning and 105.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:34:24,924 INFO L338 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, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 415 SdHoareTripleChecker+Valid, 48.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66 mSDsluCounter, 321 SdHoareTripleChecker+Invalid, 48.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 173 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 522 IncrementalHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 173 mSolverCounterUnsat, 281 mSDtfsCounter, 522 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1272 GetRequests, 1183 SyntacticMatches, 11 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2037 ImplicationChecksByTransitivity, 13.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 177 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 544 SizeOfPredicates, 2 NumberOfNonLiveVariables, 182 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 105/113 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: 14]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 8]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (counter == \old(counter)) - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((0 < cond) || (cond == 0)) Ensures: ((cond != 0) && (counter == \old(counter))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 132.1MB. Free memory was 105.4MB in the beginning and 105.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.18ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 68.8MB in the beginning and 138.1MB in the end (delta: -69.2MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.73ms. Allocated memory is still 169.9MB. Free memory was 138.1MB in the beginning and 136.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.76ms. Allocated memory is still 169.9MB. Free memory was 136.0MB in the beginning and 135.1MB in the end (delta: 875.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 446.33ms. Allocated memory is still 169.9MB. Free memory was 135.1MB in the beginning and 140.9MB in the end (delta: -5.8MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * CodeCheck took 32328.06ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 140.9MB in the beginning and 111.2MB in the end (delta: 29.7MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. * Witness Printer took 120.39ms. Allocated memory is still 205.5MB. Free memory was 111.2MB in the beginning and 105.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-09 00:34:24,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba73a29-0a63-41e2-ac6b-642e63715af1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE