./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0eb3bc-3b87-4325-99a5-5fd3e9024cbd/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0eb3bc-3b87-4325-99a5-5fd3e9024cbd/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0eb3bc-3b87-4325-99a5-5fd3e9024cbd/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0eb3bc-3b87-4325-99a5-5fd3e9024cbd/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0eb3bc-3b87-4325-99a5-5fd3e9024cbd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0eb3bc-3b87-4325-99a5-5fd3e9024cbd/bin/ukojak-verify-CZk0znPC7b --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 e89b4ab54b22145b4041cfb458aca993f2d791ac86940dcd03d48a90a5273393 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:43:45,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:43:45,118 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0eb3bc-3b87-4325-99a5-5fd3e9024cbd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:43:45,122 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:43:45,122 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:43:45,142 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:43:45,143 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:43:45,143 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:43:45,143 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:43:45,143 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:43:45,144 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:43:45,144 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:43:45,144 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:43:45,144 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:43:45,144 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:43:45,144 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:43:45,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:43:45,144 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:43:45,144 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:43:45,144 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:43:45,145 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:43:45,145 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:43:45,145 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:43:45,145 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:43:45,145 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:43:45,145 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:43:45,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:43:45,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:43:45,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:43:45,146 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:43:45,146 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:43:45,146 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:43:45,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:43:45,146 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8f0eb3bc-3b87-4325-99a5-5fd3e9024cbd/bin/ukojak-verify-CZk0znPC7b 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 -> e89b4ab54b22145b4041cfb458aca993f2d791ac86940dcd03d48a90a5273393 [2024-12-05 22:43:45,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:43:45,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:43:45,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:43:45,401 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:43:45,402 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:43:45,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0eb3bc-3b87-4325-99a5-5fd3e9024cbd/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c [2024-12-05 22:43:48,145 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0eb3bc-3b87-4325-99a5-5fd3e9024cbd/bin/ukojak-verify-CZk0znPC7b/data/8f68a17d9/446b449c9a5947b193eb459f8aee6c18/FLAGaed6dbd37 [2024-12-05 22:43:48,402 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:43:48,403 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0eb3bc-3b87-4325-99a5-5fd3e9024cbd/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c [2024-12-05 22:43:48,409 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0eb3bc-3b87-4325-99a5-5fd3e9024cbd/bin/ukojak-verify-CZk0znPC7b/data/8f68a17d9/446b449c9a5947b193eb459f8aee6c18/FLAGaed6dbd37 [2024-12-05 22:43:48,742 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0eb3bc-3b87-4325-99a5-5fd3e9024cbd/bin/ukojak-verify-CZk0znPC7b/data/8f68a17d9/446b449c9a5947b193eb459f8aee6c18 [2024-12-05 22:43:48,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:43:48,745 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:43:48,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:43:48,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:43:48,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:43:48,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:43:48" (1/1) ... [2024-12-05 22:43:48,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e6dddd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:48, skipping insertion in model container [2024-12-05 22:43:48,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:43:48" (1/1) ... [2024-12-05 22:43:48,765 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:43:48,883 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_8f0eb3bc-3b87-4325-99a5-5fd3e9024cbd/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c[489,502] [2024-12-05 22:43:48,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:43:48,911 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:43:48,920 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_8f0eb3bc-3b87-4325-99a5-5fd3e9024cbd/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c[489,502] [2024-12-05 22:43:48,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:43:48,942 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:43:48,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:48 WrapperNode [2024-12-05 22:43:48,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:43:48,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:43:48,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:43:48,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:43:48,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:48" (1/1) ... [2024-12-05 22:43:48,954 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:48" (1/1) ... [2024-12-05 22:43:48,967 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2024-12-05 22:43:48,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:43:48,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:43:48,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:43:48,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:43:48,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:48" (1/1) ... [2024-12-05 22:43:48,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:48" (1/1) ... [2024-12-05 22:43:48,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:48" (1/1) ... [2024-12-05 22:43:48,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:48" (1/1) ... [2024-12-05 22:43:48,978 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:48" (1/1) ... [2024-12-05 22:43:48,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:48" (1/1) ... [2024-12-05 22:43:48,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:48" (1/1) ... [2024-12-05 22:43:48,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:48" (1/1) ... [2024-12-05 22:43:48,984 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:48" (1/1) ... [2024-12-05 22:43:48,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:43:48,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:43:48,987 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:43:48,987 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:43:48,988 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:43:48" (1/1) ... [2024-12-05 22:43:48,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:43:49,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0eb3bc-3b87-4325-99a5-5fd3e9024cbd/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:43:49,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0eb3bc-3b87-4325-99a5-5fd3e9024cbd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:43:49,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0eb3bc-3b87-4325-99a5-5fd3e9024cbd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:43:49,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:43:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 22:43:49,045 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 22:43:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:43:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:43:49,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:43:49,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 22:43:49,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 22:43:49,092 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:43:49,093 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:43:49,224 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-05 22:43:49,224 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:43:49,256 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:43:49,256 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:43:49,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:43:49 BoogieIcfgContainer [2024-12-05 22:43:49,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:43:49,257 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:43:49,257 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:43:49,265 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:43:49,265 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:43:49" (1/1) ... [2024-12-05 22:43:49,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:43:49,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:49,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2024-12-05 22:43:49,322 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-12-05 22:43:49,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 22:43:49,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:49,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:43:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:49,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:43:49,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:43:49,577 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 22:43:49,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:49,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2024-12-05 22:43:49,688 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2024-12-05 22:43:49,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 22:43:49,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:49,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:49,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:43:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:49,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 22:43:49,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:43:49,837 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 22:43:50,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:50,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2024-12-05 22:43:50,132 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2024-12-05 22:43:50,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 22:43:50,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:50,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:43:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:50,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:43:50,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:43:50,259 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-05 22:43:50,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:50,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2024-12-05 22:43:50,524 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2024-12-05 22:43:50,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 22:43:50,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:50,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:50,780 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 22:43:50,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:50,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 58 transitions. [2024-12-05 22:43:50,976 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2024-12-05 22:43:50,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 22:43:50,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:50,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:43:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:51,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-05 22:43:51,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:43:51,357 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-05 22:43:51,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:51,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 36 states and 69 transitions. [2024-12-05 22:43:51,912 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2024-12-05 22:43:51,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-05 22:43:51,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:51,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:52,226 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-12-05 22:43:53,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:53,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 40 states and 79 transitions. [2024-12-05 22:43:53,026 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 79 transitions. [2024-12-05 22:43:53,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-05 22:43:53,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:53,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:43:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:53,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 22:43:53,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:43:53,591 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-05 22:43:54,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:54,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 48 states and 100 transitions. [2024-12-05 22:43:54,623 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 100 transitions. [2024-12-05 22:43:54,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-05 22:43:54,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:54,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:43:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:54,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-05 22:43:54,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:43:55,208 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-05 22:43:56,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:56,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 53 states and 106 transitions. [2024-12-05 22:43:56,227 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 106 transitions. [2024-12-05 22:43:56,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-05 22:43:56,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:56,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:43:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:56,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-05 22:43:56,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:43:56,767 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-05 22:43:58,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:58,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 52 states and 104 transitions. [2024-12-05 22:43:58,322 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 104 transitions. [2024-12-05 22:43:58,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-05 22:43:58,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:58,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:58,506 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-05 22:43:59,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:43:59,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 55 states and 109 transitions. [2024-12-05 22:43:59,199 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 109 transitions. [2024-12-05 22:43:59,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-05 22:43:59,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:43:59,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:43:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:43:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:43:59,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-05 22:43:59,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:43:59,961 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-05 22:44:02,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:02,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 62 states and 125 transitions. [2024-12-05 22:44:02,018 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 125 transitions. [2024-12-05 22:44:02,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-05 22:44:02,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:02,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:44:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:02,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-05 22:44:02,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:44:02,387 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-05 22:44:03,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:03,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 64 states and 130 transitions. [2024-12-05 22:44:03,093 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 130 transitions. [2024-12-05 22:44:03,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-05 22:44:03,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:03,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:03,250 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-12-05 22:44:12,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:12,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 68 states and 138 transitions. [2024-12-05 22:44:12,633 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 138 transitions. [2024-12-05 22:44:12,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:44:12,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:12,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:13,543 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-05 22:44:14,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:14,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 70 states and 143 transitions. [2024-12-05 22:44:14,605 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 143 transitions. [2024-12-05 22:44:14,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:44:14,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:14,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:14,909 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-05 22:44:15,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:15,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 43 states and 67 transitions. [2024-12-05 22:44:15,303 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2024-12-05 22:44:15,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-05 22:44:15,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:15,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:15,443 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-12-05 22:44:16,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:16,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 44 states and 68 transitions. [2024-12-05 22:44:16,844 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2024-12-05 22:44:16,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-05 22:44:16,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:16,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:16,951 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-12-05 22:44:17,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:17,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 41 states and 63 transitions. [2024-12-05 22:44:17,463 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2024-12-05 22:44:17,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-05 22:44:17,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:17,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:17,550 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-12-05 22:44:23,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:44:23,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:23,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 42 states and 64 transitions. [2024-12-05 22:44:23,290 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2024-12-05 22:44:23,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-05 22:44:23,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:23,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:23,384 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-12-05 22:44:23,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:23,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 38 states and 57 transitions. [2024-12-05 22:44:23,939 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 57 transitions. [2024-12-05 22:44:23,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-05 22:44:23,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:44:23,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:44:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:44:23,992 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 33 proven. 10 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-12-05 22:44:40,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:44:40,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 30 states and 46 transitions. [2024-12-05 22:44:40,285 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-12-05 22:44:40,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 22:44:40,286 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2024-12-05 22:44:40,292 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 22:44:42,633 INFO L77 FloydHoareUtils]: At program point L35-2(lines 35 52) the Hoare annotation is: (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|) [2024-12-05 22:44:42,633 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 22:44:42,634 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: (not (and (< |ULTIMATE.start_main_~x~0#1| 1) (<= |ULTIMATE.start_main_~y~0#1| 2) (<= 0 |ULTIMATE.start_main_~y~0#1|))) [2024-12-05 22:44:42,634 INFO L77 FloydHoareUtils]: At program point L56(line 56) the Hoare annotation is: true [2024-12-05 22:44:42,634 INFO L77 FloydHoareUtils]: At program point L54(line 54) the Hoare annotation is: true [2024-12-05 22:44:42,634 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 22:44:42,634 INFO L77 FloydHoareUtils]: At program point L38(lines 35 52) the Hoare annotation is: (not (let ((.cse0 (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~y~0#1|)) (.cse1 (* |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~x~0#1|))) (and (= (* |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~s~0#1|) (+ (* |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~r~0#1|) 1)) (< |ULTIMATE.start_main_~a~0#1| (+ .cse0 .cse1 1)) (not (and (= |ULTIMATE.start_main_~r~0#1| 0) (= |ULTIMATE.start_main_~q~0#1| 0) (= |ULTIMATE.start_main_~s~0#1| 1))) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|) (< (+ .cse0 .cse1) (+ |ULTIMATE.start_main_~b~0#1| 1)) (not (= (+ (* |ULTIMATE.start_main_~s~0#1| |ULTIMATE.start_main_~y~0#1|) (* |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~x~0#1|)) |ULTIMATE.start_main_~b~0#1|))))) [2024-12-05 22:44:42,634 INFO L77 FloydHoareUtils]: At program point L36(line 36) the Hoare annotation is: true [2024-12-05 22:44:42,634 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: true [2024-12-05 22:44:42,634 INFO L77 FloydHoareUtils]: At program point L57(line 57) the Hoare annotation is: true [2024-12-05 22:44:42,635 INFO L77 FloydHoareUtils]: At program point L24(line 24) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2)) [2024-12-05 22:44:42,635 INFO L77 FloydHoareUtils]: At program point L24-1(line 24) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~y~0#1| 2) (<= 0 |ULTIMATE.start_main_~y~0#1|)) [2024-12-05 22:44:42,635 INFO L77 FloydHoareUtils]: At program point L55(line 55) the Hoare annotation is: true [2024-12-05 22:44:42,635 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: true [2024-12-05 22:44:42,635 INFO L77 FloydHoareUtils]: At program point L22-1(line 22) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2)) [2024-12-05 22:44:42,635 INFO L77 FloydHoareUtils]: At program point L43-2(lines 35 52) the Hoare annotation is: true [2024-12-05 22:44:42,635 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: (let ((.cse3 (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~y~0#1|)) (.cse4 (* |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~x~0#1|))) (let ((.cse0 (+ .cse3 .cse4 1)) (.cse1 (+ .cse3 .cse4))) (or (and (< |ULTIMATE.start_main_~a~0#1| .cse0) (< .cse1 (+ |ULTIMATE.start_main_~b~0#1| 1))) (and (< |ULTIMATE.start_main_~b~0#1| .cse0) (< .cse1 (+ |ULTIMATE.start_main_~a~0#1| 1))) (let ((.cse2 (= |ULTIMATE.start_main_~s~0#1| 1))) (and (not (and (not (= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| 2) (<= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|) (= (+ |ULTIMATE.start_main_~q~0#1| 1) 0) (<= 1 |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~x~0#1|)) .cse2)) (not (and (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~q~0#1| 0) .cse2)))) (and (not (and (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~r~0#1| 0))) (not (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)))))) [2024-12-05 22:44:42,635 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 7 9) the Hoare annotation is: true [2024-12-05 22:44:42,636 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 7 9) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-12-05 22:44:42,636 INFO L77 FloydHoareUtils]: At program point L12(lines 12 13) the Hoare annotation is: true [2024-12-05 22:44:42,636 INFO L77 FloydHoareUtils]: At program point L11(lines 11 14) the Hoare annotation is: (or (= __VERIFIER_assert_~cond 0) (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 1))) [2024-12-05 22:44:42,636 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 10 16) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-05 22:44:42,636 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 10 16) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) [2024-12-05 22:44:42,636 INFO L77 FloydHoareUtils]: At program point L11-2(lines 10 16) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-05 22:44:42,636 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) the Hoare annotation is: true [2024-12-05 22:44:42,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:44:42 ImpRootNode [2024-12-05 22:44:42,647 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:44:42,648 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:44:42,648 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:44:42,648 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:44:42,648 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:43:49" (3/4) ... [2024-12-05 22:44:42,650 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 22:44:42,652 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-05 22:44:42,652 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-05 22:44:42,655 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-12-05 22:44:42,655 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-05 22:44:42,655 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 22:44:42,655 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 22:44:42,720 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0eb3bc-3b87-4325-99a5-5fd3e9024cbd/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:44:42,720 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0eb3bc-3b87-4325-99a5-5fd3e9024cbd/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:44:42,720 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:44:42,721 INFO L158 Benchmark]: Toolchain (without parser) took 53976.05ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 117.3MB in the beginning and 148.5MB in the end (delta: -31.2MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2024-12-05 22:44:42,721 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:44:42,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.23ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 105.7MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:44:42,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.48ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:44:42,722 INFO L158 Benchmark]: Boogie Preprocessor took 18.09ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.9MB in the end (delta: 719.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:44:42,723 INFO L158 Benchmark]: RCFGBuilder took 269.86ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 90.5MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:44:42,723 INFO L158 Benchmark]: CodeCheck took 53390.34ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 90.2MB in the beginning and 154.5MB in the end (delta: -64.3MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-12-05 22:44:42,723 INFO L158 Benchmark]: Witness Printer took 72.76ms. Allocated memory is still 218.1MB. Free memory was 154.5MB in the beginning and 148.5MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:44:42,725 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, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 51.0s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1619 SdHoareTripleChecker+Valid, 29.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 334 mSDsluCounter, 1138 SdHoareTripleChecker+Invalid, 28.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 114 mSDsCounter, 2762 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7296 IncrementalHoareTripleChecker+Invalid, 10058 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2762 mSolverCounterUnsat, 1024 mSDtfsCounter, 7296 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7747 GetRequests, 7445 SyntacticMatches, 70 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24487 ImplicationChecksByTransitivity, 40.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 889 NumberOfCodeBlocks, 889 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 869 ConstructedInterpolants, 0 QuantifiedInterpolants, 3270 SizeOfPredicates, 27 NumberOfNonLiveVariables, 894 ConjunctsInSsa, 185 ConjunctsInUnsatCore, 20 InterpolantComputations, 4 PerfectInterpolantSequences, 1321/1439 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 13]: 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: 7]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) - ProcedureContractResult [Line: 10]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((cond == 0) || (cond == 1)) Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 196.23ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 105.7MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.48ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.09ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.9MB in the end (delta: 719.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 269.86ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 90.5MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 53390.34ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 90.2MB in the beginning and 154.5MB in the end (delta: -64.3MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Witness Printer took 72.76ms. Allocated memory is still 218.1MB. Free memory was 154.5MB in the beginning and 148.5MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 22:44:42,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f0eb3bc-3b87-4325-99a5-5fd3e9024cbd/bin/ukojak-verify-CZk0znPC7b/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