./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.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_b92ee1f6-7edd-4714-b4cd-2a3640d69b39/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92ee1f6-7edd-4714-b4cd-2a3640d69b39/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_b92ee1f6-7edd-4714-b4cd-2a3640d69b39/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92ee1f6-7edd-4714-b4cd-2a3640d69b39/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92ee1f6-7edd-4714-b4cd-2a3640d69b39/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_b92ee1f6-7edd-4714-b4cd-2a3640d69b39/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 d6c389695f28ab23288d12eab23e55426fe9ec0f0b8fe9723cca18e00c3db8b7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:33,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:33,774 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92ee1f6-7edd-4714-b4cd-2a3640d69b39/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:05:33,781 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:05:33,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:05:33,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:33,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:33,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:33,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:33,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:33,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:33,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:33,821 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:05:33,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:05:33,822 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:05:33,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:33,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:33,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:33,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:33,827 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:33,827 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:05:33,828 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:33,828 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:33,828 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:33,828 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:33,829 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:33,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:33,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:33,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:33,830 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:33,830 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:33,830 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:05:33,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:05:33,831 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_b92ee1f6-7edd-4714-b4cd-2a3640d69b39/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92ee1f6-7edd-4714-b4cd-2a3640d69b39/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6c389695f28ab23288d12eab23e55426fe9ec0f0b8fe9723cca18e00c3db8b7 [2024-11-08 22:05:34,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:34,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:34,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:34,159 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:34,160 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:34,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92ee1f6-7edd-4714-b4cd-2a3640d69b39/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c Unable to find full path for "g++" [2024-11-08 22:05:36,248 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:36,432 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:36,433 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92ee1f6-7edd-4714-b4cd-2a3640d69b39/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c [2024-11-08 22:05:36,442 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92ee1f6-7edd-4714-b4cd-2a3640d69b39/bin/ukojak-verify-ImItNfHLgk/data/5c5a220be/524c94ab4c4645129264c4a56ccca498/FLAG8c412dfe3 [2024-11-08 22:05:36,822 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92ee1f6-7edd-4714-b4cd-2a3640d69b39/bin/ukojak-verify-ImItNfHLgk/data/5c5a220be/524c94ab4c4645129264c4a56ccca498 [2024-11-08 22:05:36,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:36,826 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:36,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:36,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:36,834 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:36,835 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@317971ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:36, skipping insertion in model container [2024-11-08 22:05:36,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:36" (1/1) ... [2024-11-08 22:05:36,861 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:37,070 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_b92ee1f6-7edd-4714-b4cd-2a3640d69b39/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c[520,533] [2024-11-08 22:05:37,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:37,099 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:37,113 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_b92ee1f6-7edd-4714-b4cd-2a3640d69b39/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c[520,533] [2024-11-08 22:05:37,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:37,137 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:37,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37 WrapperNode [2024-11-08 22:05:37,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:37,139 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:37,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:37,140 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:37,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,154 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,172 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2024-11-08 22:05:37,173 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:37,173 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:37,174 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:37,174 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:37,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,185 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,195 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:37,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:37,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:37,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:37,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:37,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92ee1f6-7edd-4714-b4cd-2a3640d69b39/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:37,235 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92ee1f6-7edd-4714-b4cd-2a3640d69b39/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:37,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92ee1f6-7edd-4714-b4cd-2a3640d69b39/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:05:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:05:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:37,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:05:37,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:05:37,368 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:37,371 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:05:37,575 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-08 22:05:37,576 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:05:37,609 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:05:37,610 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:05:37,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:37 BoogieIcfgContainer [2024-11-08 22:05:37,610 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:05:37,611 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:05:37,611 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:05:37,621 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:05:37,621 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:05:37,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:37,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2024-11-08 22:05:37,706 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2024-11-08 22:05:37,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:05:37,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:37,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:37,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:05:37,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:37,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-08 22:05:37,929 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-08 22:05:37,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:05:37,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:37,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:38,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:05:38,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:38,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2024-11-08 22:05:38,171 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-11-08 22:05:38,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:05:38,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:38,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:38,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:05:38,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:38,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 38 transitions. [2024-11-08 22:05:38,907 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2024-11-08 22:05:38,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:05:38,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:38,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:05:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:38,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:05:38,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:05:39,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:05:39,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:39,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 46 transitions. [2024-11-08 22:05:39,857 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2024-11-08 22:05:39,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:05:39,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:39,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:05:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:39,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:05:39,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:05:40,046 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:05:40,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:40,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 49 transitions. [2024-11-08 22:05:40,209 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2024-11-08 22:05:40,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:05:40,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:40,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:40,363 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:05:40,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:40,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 55 transitions. [2024-11-08 22:05:40,723 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-11-08 22:05:40,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:05:40,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:40,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:40,910 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:05:41,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:41,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 67 transitions. [2024-11-08 22:05:41,758 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2024-11-08 22:05:41,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:05:41,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:41,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:41,961 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:05:42,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:42,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 71 transitions. [2024-11-08 22:05:42,629 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2024-11-08 22:05:42,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 22:05:42,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:42,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:42,876 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 22:05:43,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:43,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 44 states and 76 transitions. [2024-11-08 22:05:43,422 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 76 transitions. [2024-11-08 22:05:43,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:05:43,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:43,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:05:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:43,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 22:05:43,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:05:43,998 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 22:05:45,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:45,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 48 states and 83 transitions. [2024-11-08 22:05:45,161 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 83 transitions. [2024-11-08 22:05:45,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:05:45,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:45,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:05:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:45,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:05:45,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:05:45,477 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 22:05:46,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:46,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 50 states and 84 transitions. [2024-11-08 22:05:46,010 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2024-11-08 22:05:46,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:05:46,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:46,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:46,162 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 22:05:47,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:47,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 50 states and 83 transitions. [2024-11-08 22:05:47,145 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2024-11-08 22:05:47,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 22:05:47,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:47,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:05:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:47,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:05:47,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:05:47,325 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 22:05:47,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:47,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 51 states and 88 transitions. [2024-11-08 22:05:47,885 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2024-11-08 22:05:47,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:05:47,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:47,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:47,947 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-08 22:05:48,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:48,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 52 states and 89 transitions. [2024-11-08 22:05:48,200 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2024-11-08 22:05:48,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:05:48,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:48,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:48,460 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-08 22:05:49,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:49,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 90 transitions. [2024-11-08 22:05:49,021 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 90 transitions. [2024-11-08 22:05:49,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-08 22:05:49,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:49,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:49,106 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-08 22:05:49,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:49,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 89 transitions. [2024-11-08 22:05:49,440 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions. [2024-11-08 22:05:49,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-08 22:05:49,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:49,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:49,503 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-08 22:05:49,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:49,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 88 transitions. [2024-11-08 22:05:49,818 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 88 transitions. [2024-11-08 22:05:49,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 22:05:49,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:49,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:05:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:49,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 22:05:49,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:05:50,233 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 22:05:51,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:51,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 57 states and 92 transitions. [2024-11-08 22:05:51,080 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 92 transitions. [2024-11-08 22:05:51,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 22:05:51,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:51,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:51,407 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 22:05:52,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:52,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 64 states and 107 transitions. [2024-11-08 22:05:52,444 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 107 transitions. [2024-11-08 22:05:52,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 22:05:52,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:52,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:52,728 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 22:05:53,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:53,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 24 states and 33 transitions. [2024-11-08 22:05:53,376 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-11-08 22:05:53,376 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 22:05:53,376 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2024-11-08 22:05:53,389 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 22:05:54,081 INFO L77 FloydHoareUtils]: At program point L33(lines 30 42) the Hoare annotation is: (not (let ((.cse0 (* 2 |ULTIMATE.start_main_~a~0#1|))) (and (not (= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) 1 .cse0) |ULTIMATE.start_main_~s~0#1|)) (= |ULTIMATE.start_main_~t~0#1| (+ 1 .cse0))))) [2024-11-08 22:05:54,081 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 22:05:54,081 INFO L77 FloydHoareUtils]: At program point L31(line 31) the Hoare annotation is: true [2024-11-08 22:05:54,081 INFO L77 FloydHoareUtils]: At program point L31-1(line 31) the Hoare annotation is: (or (and (not (and (= |ULTIMATE.start_main_~a~0#1| 1) (= |ULTIMATE.start_main_~s~0#1| 4))) (not (and (= |ULTIMATE.start_main_~a~0#1| 0) (= |ULTIMATE.start_main_~s~0#1| 1)))) (= |ULTIMATE.start_main_~t~0#1| (+ 1 (* 2 |ULTIMATE.start_main_~a~0#1|)))) [2024-11-08 22:05:54,082 INFO L77 FloydHoareUtils]: At program point L46(line 46) the Hoare annotation is: true [2024-11-08 22:05:54,082 INFO L77 FloydHoareUtils]: At program point L44(line 44) the Hoare annotation is: (not (and (not (= (* |ULTIMATE.start_main_~s~0#1| 4) (+ (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|) (* 2 |ULTIMATE.start_main_~t~0#1|) 1))) (= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) 1 (* 2 |ULTIMATE.start_main_~a~0#1|)) |ULTIMATE.start_main_~s~0#1|))) [2024-11-08 22:05:54,082 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 22:05:54,082 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: true [2024-11-08 22:05:54,082 INFO L77 FloydHoareUtils]: At program point L30-1(lines 30 42) the Hoare annotation is: (let ((.cse1 (<= ~counter~0 1)) (.cse0 (= |ULTIMATE.start_main_~s~0#1| 4))) (or (and (not (and (= |ULTIMATE.start_main_~a~0#1| 1) .cse0)) (not (and (= |ULTIMATE.start_main_~a~0#1| 0) (= |ULTIMATE.start_main_~s~0#1| 1)))) (and .cse1 (<= 1 ~counter~0)) (not (= |ULTIMATE.start_main_#t~post5#1| 0)) (and .cse1 .cse0) (not (= |ULTIMATE.start_main_~t~0#1| (+ 1 (* 2 |ULTIMATE.start_main_~a~0#1|)))))) [2024-11-08 22:05:54,082 INFO L77 FloydHoareUtils]: At program point L30-3(lines 30 42) the Hoare annotation is: true [2024-11-08 22:05:54,083 INFO L77 FloydHoareUtils]: At program point L30-4(lines 30 42) the Hoare annotation is: true [2024-11-08 22:05:54,083 INFO L77 FloydHoareUtils]: At program point L45(line 45) the Hoare annotation is: true [2024-11-08 22:05:54,083 INFO L77 FloydHoareUtils]: At program point L13(lines 13 14) the Hoare annotation is: true [2024-11-08 22:05:54,083 INFO L77 FloydHoareUtils]: At program point L12(lines 12 15) the Hoare annotation is: (not (and (not (= __VERIFIER_assert_~cond 0)) (not (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)))) [2024-11-08 22:05:54,083 INFO L77 FloydHoareUtils]: At program point L12-2(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-08 22:05:54,083 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 11 17) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-08 22:05:54,084 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: true [2024-11-08 22:05:54,084 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) the Hoare annotation is: true [2024-11-08 22:05:54,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:05:54 ImpRootNode [2024-11-08 22:05:54,103 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:05:54,103 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:05:54,103 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:05:54,104 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:05:54,104 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:37" (3/4) ... [2024-11-08 22:05:54,107 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 22:05:54,111 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-08 22:05:54,115 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-08 22:05:54,115 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 22:05:54,115 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 22:05:54,116 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 22:05:54,205 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92ee1f6-7edd-4714-b4cd-2a3640d69b39/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:05:54,206 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92ee1f6-7edd-4714-b4cd-2a3640d69b39/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 22:05:54,206 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:05:54,207 INFO L158 Benchmark]: Toolchain (without parser) took 17381.03ms. Allocated memory was 182.5MB in the beginning and 228.6MB in the end (delta: 46.1MB). Free memory was 141.5MB in the beginning and 187.4MB in the end (delta: -45.9MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2024-11-08 22:05:54,207 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 182.5MB. Free memory is still 155.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:54,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.78ms. Allocated memory is still 182.5MB. Free memory was 141.3MB in the beginning and 128.6MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:05:54,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.64ms. Allocated memory is still 182.5MB. Free memory was 128.6MB in the beginning and 127.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:54,208 INFO L158 Benchmark]: Boogie Preprocessor took 21.74ms. Allocated memory is still 182.5MB. Free memory was 127.1MB in the beginning and 126.1MB in the end (delta: 993.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:54,209 INFO L158 Benchmark]: RCFGBuilder took 414.20ms. Allocated memory is still 182.5MB. Free memory was 126.1MB in the beginning and 114.8MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:05:54,209 INFO L158 Benchmark]: CodeCheck took 16491.71ms. Allocated memory was 182.5MB in the beginning and 228.6MB in the end (delta: 46.1MB). Free memory was 114.6MB in the beginning and 191.6MB in the end (delta: -77.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:54,210 INFO L158 Benchmark]: Witness Printer took 102.92ms. Allocated memory is still 228.6MB. Free memory was 191.6MB in the beginning and 187.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:05:54,212 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 2 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.7s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1064 SdHoareTripleChecker+Valid, 11.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 388 mSDsluCounter, 801 SdHoareTripleChecker+Invalid, 10.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 152 mSDsCounter, 1632 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4396 IncrementalHoareTripleChecker+Invalid, 6028 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1632 mSolverCounterUnsat, 649 mSDtfsCounter, 4396 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4546 GetRequests, 4244 SyntacticMatches, 114 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18872 ImplicationChecksByTransitivity, 11.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 598 NumberOfCodeBlocks, 598 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 578 ConstructedInterpolants, 0 QuantifiedInterpolants, 1651 SizeOfPredicates, 9 NumberOfNonLiveVariables, 537 ConjunctsInSsa, 84 ConjunctsInUnsatCore, 20 InterpolantComputations, 5 PerfectInterpolantSequences, 889/978 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: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: ((cond != 0) && (counter == \old(counter))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 182.5MB. Free memory is still 155.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.78ms. Allocated memory is still 182.5MB. Free memory was 141.3MB in the beginning and 128.6MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.64ms. Allocated memory is still 182.5MB. Free memory was 128.6MB in the beginning and 127.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.74ms. Allocated memory is still 182.5MB. Free memory was 127.1MB in the beginning and 126.1MB in the end (delta: 993.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 414.20ms. Allocated memory is still 182.5MB. Free memory was 126.1MB in the beginning and 114.8MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 16491.71ms. Allocated memory was 182.5MB in the beginning and 228.6MB in the end (delta: 46.1MB). Free memory was 114.6MB in the beginning and 191.6MB in the end (delta: -77.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 102.92ms. Allocated memory is still 228.6MB. Free memory was 191.6MB in the beginning and 187.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 22:05:54,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b92ee1f6-7edd-4714-b4cd-2a3640d69b39/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