./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_9fc87b52-5978-443c-a497-926e15806b79/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc87b52-5978-443c-a497-926e15806b79/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_9fc87b52-5978-443c-a497-926e15806b79/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc87b52-5978-443c-a497-926e15806b79/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc87b52-5978-443c-a497-926e15806b79/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_9fc87b52-5978-443c-a497-926e15806b79/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 387b23f31d6d0897ac5c9cf97636f8e4c9d1a5fe20740b906ac4716e108638d5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:58:57,974 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:58:58,115 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc87b52-5978-443c-a497-926e15806b79/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:58:58,123 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:58:58,124 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:58:58,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:58:58,183 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:58:58,184 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:58:58,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:58:58,187 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:58:58,187 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:58:58,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:58:58,189 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:58:58,189 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:58:58,192 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:58:58,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:58:58,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:58:58,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:58:58,194 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:58:58,194 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:58:58,195 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:58:58,199 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:58:58,199 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:58:58,200 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:58:58,200 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:58:58,201 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:58:58,201 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:58:58,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:58:58,202 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:58:58,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:58:58,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:58:58,207 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:58:58,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:58:58,208 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_9fc87b52-5978-443c-a497-926e15806b79/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc87b52-5978-443c-a497-926e15806b79/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 387b23f31d6d0897ac5c9cf97636f8e4c9d1a5fe20740b906ac4716e108638d5 [2024-11-08 23:58:58,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:58:58,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:58:58,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:58:58,668 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:58:58,669 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:58:58,670 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc87b52-5978-443c-a497-926e15806b79/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound1.c Unable to find full path for "g++" [2024-11-08 23:59:01,035 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:59:01,318 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:59:01,323 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc87b52-5978-443c-a497-926e15806b79/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound1.c [2024-11-08 23:59:01,339 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc87b52-5978-443c-a497-926e15806b79/bin/ukojak-verify-ImItNfHLgk/data/c9c91b3a0/f571e9fa7ac8416cbdb286c4b001fcd4/FLAG652ae7b73 [2024-11-08 23:59:01,363 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc87b52-5978-443c-a497-926e15806b79/bin/ukojak-verify-ImItNfHLgk/data/c9c91b3a0/f571e9fa7ac8416cbdb286c4b001fcd4 [2024-11-08 23:59:01,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:59:01,369 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:59:01,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:59:01,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:59:01,379 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:59:01,380 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:59:01" (1/1) ... [2024-11-08 23:59:01,382 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d6f65f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:01, skipping insertion in model container [2024-11-08 23:59:01,382 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:59:01" (1/1) ... [2024-11-08 23:59:01,432 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:59:01,696 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_9fc87b52-5978-443c-a497-926e15806b79/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound1.c[546,559] [2024-11-08 23:59:01,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:59:01,745 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:59:01,765 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_9fc87b52-5978-443c-a497-926e15806b79/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound1.c[546,559] [2024-11-08 23:59:01,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:59:01,802 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:59:01,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:01 WrapperNode [2024-11-08 23:59:01,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:59:01,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:59:01,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:59:01,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:59:01,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:01" (1/1) ... [2024-11-08 23:59:01,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:01" (1/1) ... [2024-11-08 23:59:01,850 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2024-11-08 23:59:01,850 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:59:01,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:59:01,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:59:01,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:59:01,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:01" (1/1) ... [2024-11-08 23:59:01,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:01" (1/1) ... [2024-11-08 23:59:01,869 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:01" (1/1) ... [2024-11-08 23:59:01,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:01" (1/1) ... [2024-11-08 23:59:01,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:01" (1/1) ... [2024-11-08 23:59:01,881 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:01" (1/1) ... [2024-11-08 23:59:01,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:01" (1/1) ... [2024-11-08 23:59:01,888 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:01" (1/1) ... [2024-11-08 23:59:01,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:59:01,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:59:01,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:59:01,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:59:01,897 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:01" (1/1) ... [2024-11-08 23:59:01,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:59:01,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc87b52-5978-443c-a497-926e15806b79/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:59:01,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc87b52-5978-443c-a497-926e15806b79/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:59:01,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc87b52-5978-443c-a497-926e15806b79/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:59:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:59:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:59:01,987 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:59:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:59:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:59:01,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:59:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:59:01,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:59:02,077 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:59:02,080 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:59:02,378 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 23:59:02,378 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:59:02,442 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:59:02,443 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:59:02,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:59:02 BoogieIcfgContainer [2024-11-08 23:59:02,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:59:02,445 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:59:02,445 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:59:02,459 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:59:02,459 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:59:02" (1/1) ... [2024-11-08 23:59:02,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:59:02,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:02,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-08 23:59:02,554 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-08 23:59:02,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:59:02,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:02,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:59:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:02,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:59:02,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:02,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-11-08 23:59:02,864 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-08 23:59:02,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:59:02,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:02,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:59:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:59:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:02,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:59:02,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:59:03,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:59:03,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:03,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-11-08 23:59:03,234 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-11-08 23:59:03,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:59:03,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:03,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:59:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:03,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:59:03,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:03,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 36 transitions. [2024-11-08 23:59:03,956 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-08 23:59:03,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:59:03,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:03,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:59:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:04,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:59:05,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:05,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 37 transitions. [2024-11-08 23:59:05,451 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-11-08 23:59:05,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:59:05,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:05,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:59:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:05,699 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:59:07,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:07,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 45 transitions. [2024-11-08 23:59:07,258 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2024-11-08 23:59:07,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:59:07,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:07,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:59:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:59:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:07,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:59:07,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:59:07,981 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:59:12,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:12,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 20 states and 22 transitions. [2024-11-08 23:59:12,705 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-08 23:59:12,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:59:12,706 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-08 23:59:12,720 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 23:59:13,133 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:59:13,133 INFO L77 FloydHoareUtils]: At program point L35-3(lines 35 45) the Hoare annotation is: true [2024-11-08 23:59:13,133 INFO L77 FloydHoareUtils]: At program point L35-4(lines 35 45) the Hoare annotation is: true [2024-11-08 23:59:13,134 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: true [2024-11-08 23:59:13,134 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:59:13,134 INFO L77 FloydHoareUtils]: At program point L36(line 36) the Hoare annotation is: true [2024-11-08 23:59:13,134 INFO L77 FloydHoareUtils]: At program point L36-1(lines 35 45) the Hoare annotation is: (= (mod (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) (* 18446744073709551615 |ULTIMATE.start_main_~y~0#1|) (* 18446744073709551615 |ULTIMATE.start_main_~x~0#1|) 1) 18446744073709551616) 0) [2024-11-08 23:59:13,135 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: (= ~counter~0 0) [2024-11-08 23:59:13,135 INFO L77 FloydHoareUtils]: At program point L28-1(line 28) the Hoare annotation is: (not (and (< |ULTIMATE.start_main_~z~0#1| 1) (= ~counter~0 0))) [2024-11-08 23:59:13,135 INFO L77 FloydHoareUtils]: At program point L49(line 49) the Hoare annotation is: true [2024-11-08 23:59:13,136 INFO L77 FloydHoareUtils]: At program point L49-1(line 49) the Hoare annotation is: true [2024-11-08 23:59:13,136 INFO L77 FloydHoareUtils]: At program point L35-1(lines 35 45) the Hoare annotation is: (not (and (= |ULTIMATE.start_main_#t~post6#1| 0) (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|) (= |ULTIMATE.start_main_~x~0#1| 1) (< ~counter~0 1))) [2024-11-08 23:59:13,136 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 12 14) the Hoare annotation is: true [2024-11-08 23:59:13,137 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 12 14) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-11-08 23:59:13,137 INFO L77 FloydHoareUtils]: At program point L17(lines 17 18) the Hoare annotation is: true [2024-11-08 23:59:13,137 INFO L77 FloydHoareUtils]: At program point L16(lines 16 19) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-11-08 23:59:13,137 INFO L77 FloydHoareUtils]: At program point L16-2(lines 15 21) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-08 23:59:13,138 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 15 21) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-08 23:59:13,138 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 15 21) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-11-08 23:59:13,138 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 18) the Hoare annotation is: true [2024-11-08 23:59:13,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:59:13 ImpRootNode [2024-11-08 23:59:13,163 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:59:13,164 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:59:13,164 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:59:13,164 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:59:13,165 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:59:02" (3/4) ... [2024-11-08 23:59:13,168 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:59:13,173 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-08 23:59:13,173 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-08 23:59:13,178 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-08 23:59:13,178 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-08 23:59:13,179 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 23:59:13,179 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:59:13,305 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc87b52-5978-443c-a497-926e15806b79/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:59:13,305 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc87b52-5978-443c-a497-926e15806b79/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:59:13,305 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:59:13,307 INFO L158 Benchmark]: Toolchain (without parser) took 11937.69ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 123.4MB in the beginning and 68.3MB in the end (delta: 55.1MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. [2024-11-08 23:59:13,307 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 119.5MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:59:13,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.09ms. Allocated memory is still 151.0MB. Free memory was 123.2MB in the beginning and 112.1MB in the end (delta: 11.1MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-11-08 23:59:13,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.39ms. Allocated memory is still 151.0MB. Free memory was 112.1MB in the beginning and 110.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:59:13,309 INFO L158 Benchmark]: Boogie Preprocessor took 40.06ms. Allocated memory is still 151.0MB. Free memory was 110.6MB in the beginning and 109.6MB in the end (delta: 983.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:59:13,309 INFO L158 Benchmark]: RCFGBuilder took 550.46ms. Allocated memory is still 151.0MB. Free memory was 109.6MB in the beginning and 116.1MB in the end (delta: -6.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:59:13,312 INFO L158 Benchmark]: CodeCheck took 10717.79ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 116.1MB in the beginning and 72.6MB in the end (delta: 43.5MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2024-11-08 23:59:13,316 INFO L158 Benchmark]: Witness Printer took 142.08ms. Allocated memory is still 182.5MB. Free memory was 72.6MB in the beginning and 68.3MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:59:13,321 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 285 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 242 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 136 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 397 IncrementalHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 136 mSolverCounterUnsat, 198 mSDtfsCounter, 397 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 875 GetRequests, 768 SyntacticMatches, 5 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3772 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 103 ConstructedInterpolants, 1 QuantifiedInterpolants, 318 SizeOfPredicates, 2 NumberOfNonLiveVariables, 141 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 16/23 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: 18]: 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: 12]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((cond != 0) && (counter == \old(counter))) - ProcedureContractResult [Line: 15]: 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 0.37ms. Allocated memory is still 119.5MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.09ms. Allocated memory is still 151.0MB. Free memory was 123.2MB in the beginning and 112.1MB in the end (delta: 11.1MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.39ms. Allocated memory is still 151.0MB. Free memory was 112.1MB in the beginning and 110.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.06ms. Allocated memory is still 151.0MB. Free memory was 110.6MB in the beginning and 109.6MB in the end (delta: 983.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 550.46ms. Allocated memory is still 151.0MB. Free memory was 109.6MB in the beginning and 116.1MB in the end (delta: -6.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 10717.79ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 116.1MB in the beginning and 72.6MB in the end (delta: 43.5MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. * Witness Printer took 142.08ms. Allocated memory is still 182.5MB. Free memory was 72.6MB in the beginning and 68.3MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 23:59:13,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fc87b52-5978-443c-a497-926e15806b79/bin/ukojak-verify-ImItNfHLgk/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