./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_0bdf60f4-4074-4a91-b7de-e6d0f3b7ea8c/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdf60f4-4074-4a91-b7de-e6d0f3b7ea8c/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdf60f4-4074-4a91-b7de-e6d0f3b7ea8c/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdf60f4-4074-4a91-b7de-e6d0f3b7ea8c/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdf60f4-4074-4a91-b7de-e6d0f3b7ea8c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdf60f4-4074-4a91-b7de-e6d0f3b7ea8c/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 082e5acb2a505af9e43ec1a894890509a127a32d8ecd4c5193a456bddcb0f4a3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:05:55,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:05:55,466 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdf60f4-4074-4a91-b7de-e6d0f3b7ea8c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:05:55,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:05:55,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:05:55,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:05:55,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:05:55,514 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:05:55,515 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:05:55,520 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:05:55,521 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:05:55,521 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:05:55,522 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:05:55,524 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:05:55,524 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:05:55,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:05:55,525 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:05:55,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:05:55,526 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:05:55,527 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:05:55,527 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:05:55,528 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:05:55,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:05:55,529 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:05:55,530 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:05:55,530 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:05:55,531 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:05:55,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:05:55,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:55,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:05:55,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:05:55,534 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:05:55,534 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:05:55,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:05:55,534 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:05:55,535 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_0bdf60f4-4074-4a91-b7de-e6d0f3b7ea8c/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdf60f4-4074-4a91-b7de-e6d0f3b7ea8c/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 082e5acb2a505af9e43ec1a894890509a127a32d8ecd4c5193a456bddcb0f4a3 [2023-11-23 20:05:55,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:05:55,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:05:55,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:05:55,867 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:05:55,868 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:05:55,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdf60f4-4074-4a91-b7de-e6d0f3b7ea8c/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c [2023-11-23 20:05:58,908 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:05:59,208 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:05:59,209 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdf60f4-4074-4a91-b7de-e6d0f3b7ea8c/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c [2023-11-23 20:05:59,224 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdf60f4-4074-4a91-b7de-e6d0f3b7ea8c/bin/ukojak-verify-1t5iHCbJaC/data/aae9fbdb0/19ca605184f5484f8d0d25bbce065d3f/FLAG2a125a29d [2023-11-23 20:05:59,241 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdf60f4-4074-4a91-b7de-e6d0f3b7ea8c/bin/ukojak-verify-1t5iHCbJaC/data/aae9fbdb0/19ca605184f5484f8d0d25bbce065d3f [2023-11-23 20:05:59,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:05:59,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:05:59,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:59,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:05:59,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:05:59,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:59" (1/1) ... [2023-11-23 20:05:59,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e8a452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:59, skipping insertion in model container [2023-11-23 20:05:59,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:59" (1/1) ... [2023-11-23 20:05:59,284 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:05:59,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:59,468 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:05:59,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:59,508 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:05:59,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:59 WrapperNode [2023-11-23 20:05:59,509 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:59,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:59,511 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:05:59,511 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:05:59,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:59" (1/1) ... [2023-11-23 20:05:59,558 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:59" (1/1) ... [2023-11-23 20:05:59,582 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-11-23 20:05:59,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:59,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:05:59,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:05:59,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:05:59,595 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:59" (1/1) ... [2023-11-23 20:05:59,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:59" (1/1) ... [2023-11-23 20:05:59,597 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:59" (1/1) ... [2023-11-23 20:05:59,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:59" (1/1) ... [2023-11-23 20:05:59,602 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:59" (1/1) ... [2023-11-23 20:05:59,607 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:59" (1/1) ... [2023-11-23 20:05:59,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:59" (1/1) ... [2023-11-23 20:05:59,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:59" (1/1) ... [2023-11-23 20:05:59,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:05:59,613 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:05:59,613 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:05:59,613 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:05:59,614 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:59" (1/1) ... [2023-11-23 20:05:59,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:59,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdf60f4-4074-4a91-b7de-e6d0f3b7ea8c/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:05:59,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdf60f4-4074-4a91-b7de-e6d0f3b7ea8c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:05:59,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdf60f4-4074-4a91-b7de-e6d0f3b7ea8c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:05:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:05:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:05:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:05:59,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:05:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:05:59,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:05:59,836 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:05:59,840 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:06:00,207 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:06:00,300 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:06:00,306 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:06:00,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:00 BoogieIcfgContainer [2023-11-23 20:06:00,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:06:00,310 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:06:00,310 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:06:00,323 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:06:00,323 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:00" (1/1) ... [2023-11-23 20:06:00,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:06:00,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:00,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-23 20:06:00,391 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-23 20:06:00,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:06:00,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:00,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:00,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:00,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:00,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2023-11-23 20:06:00,712 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2023-11-23 20:06:00,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:06:00,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:00,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:00,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:00,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:00,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2023-11-23 20:06:00,836 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-11-23 20:06:00,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:06:00,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:00,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:00,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:00,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:00,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2023-11-23 20:06:00,936 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2023-11-23 20:06:00,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:06:00,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:00,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:01,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:06:01,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:01,234 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:06:01,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:01,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2023-11-23 20:06:01,515 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2023-11-23 20:06:01,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:06:01,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:01,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:01,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:06:01,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:01,698 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:06:01,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:01,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2023-11-23 20:06:01,798 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2023-11-23 20:06:01,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:06:01,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:01,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:01,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:06:01,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:01,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:06:02,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:02,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 87 transitions. [2023-11-23 20:06:02,369 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2023-11-23 20:06:02,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:06:02,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:02,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:02,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:06:02,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:02,561 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:06:02,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:02,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 58 states and 108 transitions. [2023-11-23 20:06:02,997 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 108 transitions. [2023-11-23 20:06:03,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:06:03,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:03,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:03,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:06:03,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:03,145 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:06:03,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:03,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 59 states and 112 transitions. [2023-11-23 20:06:03,246 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 112 transitions. [2023-11-23 20:06:03,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:06:03,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:03,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:03,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:06:03,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:03,535 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:06:03,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:03,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 64 states and 117 transitions. [2023-11-23 20:06:03,693 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 117 transitions. [2023-11-23 20:06:03,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:06:03,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:03,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:03,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:06:03,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:03,906 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:06:04,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:04,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 73 states and 141 transitions. [2023-11-23 20:06:04,320 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 141 transitions. [2023-11-23 20:06:04,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:06:04,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:04,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:04,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:06:04,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:04,466 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:06:04,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:04,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 75 states and 142 transitions. [2023-11-23 20:06:04,683 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 142 transitions. [2023-11-23 20:06:04,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:06:04,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:04,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:04,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:06:04,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:04,813 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:06:05,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:05,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 79 states and 144 transitions. [2023-11-23 20:06:05,181 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 144 transitions. [2023-11-23 20:06:05,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:06:05,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:05,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:05,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:06:05,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:05,429 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:06:06,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:06,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 88 states and 164 transitions. [2023-11-23 20:06:06,055 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 164 transitions. [2023-11-23 20:06:06,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:06:06,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:06,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:06,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:06:06,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:06,199 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:06:06,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:06,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 89 states and 170 transitions. [2023-11-23 20:06:06,265 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 170 transitions. [2023-11-23 20:06:06,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:06:06,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:06,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:06,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:06:06,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:06,484 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-23 20:06:06,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:06,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 98 states and 194 transitions. [2023-11-23 20:06:06,859 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 194 transitions. [2023-11-23 20:06:06,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:06:06,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:06,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:06,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:06:06,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:07,342 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:06:08,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:08,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 106 states and 217 transitions. [2023-11-23 20:06:08,216 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 217 transitions. [2023-11-23 20:06:08,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:06:08,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:08,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:08,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:06:08,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:08,419 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:06:08,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:08,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 108 states and 219 transitions. [2023-11-23 20:06:08,711 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 219 transitions. [2023-11-23 20:06:08,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:06:08,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:08,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:08,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:06:08,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:08,915 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 6 proven. 72 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:06:09,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:09,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 112 states and 221 transitions. [2023-11-23 20:06:09,274 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 221 transitions. [2023-11-23 20:06:09,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:06:09,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:09,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:09,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:06:09,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:09,466 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 78 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:06:09,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:09,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 115 states and 224 transitions. [2023-11-23 20:06:09,813 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 224 transitions. [2023-11-23 20:06:09,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:06:09,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:09,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:09,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:06:09,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:10,111 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:06:11,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:11,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 119 states and 234 transitions. [2023-11-23 20:06:11,008 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 234 transitions. [2023-11-23 20:06:11,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:06:11,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:11,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:11,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:06:11,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:11,191 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:06:11,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:11,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 125 states and 252 transitions. [2023-11-23 20:06:11,766 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 252 transitions. [2023-11-23 20:06:11,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:06:11,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:11,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:11,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:06:11,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:12,219 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:06:13,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:13,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 132 states and 260 transitions. [2023-11-23 20:06:13,123 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 260 transitions. [2023-11-23 20:06:13,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:06:13,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:13,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:13,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:06:13,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:13,548 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:06:13,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:13,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 132 states and 257 transitions. [2023-11-23 20:06:13,845 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 257 transitions. [2023-11-23 20:06:13,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:06:13,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:13,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:13,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:06:13,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:14,218 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:06:14,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:14,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 132 states and 252 transitions. [2023-11-23 20:06:14,482 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 252 transitions. [2023-11-23 20:06:14,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:06:14,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:14,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:14,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:06:14,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:14,738 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 9 proven. 147 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:06:15,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:15,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 141 states and 275 transitions. [2023-11-23 20:06:15,499 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 275 transitions. [2023-11-23 20:06:15,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:06:15,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:15,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:15,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:06:15,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:15,753 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:06:16,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:16,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 141 states and 272 transitions. [2023-11-23 20:06:16,142 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 272 transitions. [2023-11-23 20:06:16,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:06:16,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:16,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:16,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:06:16,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:16,431 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 20:06:17,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:17,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 150 states and 296 transitions. [2023-11-23 20:06:17,077 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 296 transitions. [2023-11-23 20:06:17,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:06:17,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:17,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:17,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:06:17,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:17,265 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-23 20:06:18,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:18,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 160 states and 317 transitions. [2023-11-23 20:06:18,059 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 317 transitions. [2023-11-23 20:06:18,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 20:06:18,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:18,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:18,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:06:18,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:18,545 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:06:19,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:19,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 160 states and 316 transitions. [2023-11-23 20:06:19,188 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 316 transitions. [2023-11-23 20:06:19,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-23 20:06:19,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:19,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:19,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:06:19,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:19,508 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 15 proven. 260 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:06:20,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:20,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 163 states and 320 transitions. [2023-11-23 20:06:20,066 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 320 transitions. [2023-11-23 20:06:20,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-23 20:06:20,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:20,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:20,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:06:20,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:20,220 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 12 proven. 248 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:06:20,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:20,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 159 states and 308 transitions. [2023-11-23 20:06:20,340 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 308 transitions. [2023-11-23 20:06:20,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 20:06:20,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:20,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:20,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:06:20,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:20,836 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 221 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:06:21,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:21,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 156 states and 301 transitions. [2023-11-23 20:06:21,169 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 301 transitions. [2023-11-23 20:06:21,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-23 20:06:21,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:21,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:21,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:06:21,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:21,372 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2023-11-23 20:06:21,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:21,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 156 states and 297 transitions. [2023-11-23 20:06:21,725 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 297 transitions. [2023-11-23 20:06:21,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-23 20:06:21,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:21,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:21,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:06:21,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:21,922 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:06:22,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:22,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 138 states and 259 transitions. [2023-11-23 20:06:22,622 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 259 transitions. [2023-11-23 20:06:22,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-23 20:06:22,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:22,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:22,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:06:22,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:22,829 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:06:23,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:23,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 133 states and 250 transitions. [2023-11-23 20:06:23,356 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 250 transitions. [2023-11-23 20:06:23,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 20:06:23,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:23,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:23,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:06:23,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:23,901 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-23 20:06:24,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:24,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 108 states and 195 transitions. [2023-11-23 20:06:24,462 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 195 transitions. [2023-11-23 20:06:24,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:06:24,463 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2023-11-23 20:06:24,473 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-23 20:06:24,639 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:06:24,643 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:06:24,643 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:06:24,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:06:24 ImpRootNode [2023-11-23 20:06:24,644 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:06:24,645 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:06:24,645 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:06:24,645 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:06:24,645 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:00" (3/4) ... [2023-11-23 20:06:24,647 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:06:24,651 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 20:06:24,656 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-23 20:06:24,656 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-23 20:06:24,656 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 20:06:24,657 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:06:24,757 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdf60f4-4074-4a91-b7de-e6d0f3b7ea8c/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:06:24,757 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdf60f4-4074-4a91-b7de-e6d0f3b7ea8c/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:06:24,757 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:06:24,758 INFO L158 Benchmark]: Toolchain (without parser) took 25511.60ms. Allocated memory was 142.6MB in the beginning and 207.6MB in the end (delta: 65.0MB). Free memory was 107.6MB in the beginning and 87.1MB in the end (delta: 20.4MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. [2023-11-23 20:06:24,758 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:06:24,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.13ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 97.0MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:06:24,759 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.56ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 95.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:06:24,760 INFO L158 Benchmark]: Boogie Preprocessor took 28.02ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 94.2MB in the end (delta: 905.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:06:24,760 INFO L158 Benchmark]: RCFGBuilder took 696.21ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 100.5MB in the end (delta: -6.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:06:24,761 INFO L158 Benchmark]: CodeCheck took 24334.36ms. Allocated memory was 142.6MB in the beginning and 207.6MB in the end (delta: 65.0MB). Free memory was 100.5MB in the beginning and 92.4MB in the end (delta: 8.1MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2023-11-23 20:06:24,761 INFO L158 Benchmark]: Witness Printer took 112.82ms. Allocated memory is still 207.6MB. Free memory was 92.4MB in the beginning and 87.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:06:24,764 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, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 24.1s, OverallIterations: 37, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5560 SdHoareTripleChecker+Valid, 39.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4490 mSDsluCounter, 6297 SdHoareTripleChecker+Invalid, 31.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3629 mSDsCounter, 7590 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20003 IncrementalHoareTripleChecker+Invalid, 27593 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7590 mSolverCounterUnsat, 2668 mSDtfsCounter, 20003 mSolverCounterSat, 1.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15048 GetRequests, 13462 SyntacticMatches, 1326 SemanticMatches, 260 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45800 ImplicationChecksByTransitivity, 15.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 1634 NumberOfCodeBlocks, 1634 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1598 ConstructedInterpolants, 0 QuantifiedInterpolants, 4844 SizeOfPredicates, 218 NumberOfNonLiveVariables, 4954 ConjunctsInSsa, 295 ConjunctsInUnsatCore, 36 InterpolantComputations, 15 PerfectInterpolantSequences, 2195/4480 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: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.13ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 97.0MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.56ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 95.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.02ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 94.2MB in the end (delta: 905.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 696.21ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 100.5MB in the end (delta: -6.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 24334.36ms. Allocated memory was 142.6MB in the beginning and 207.6MB in the end (delta: 65.0MB). Free memory was 100.5MB in the beginning and 92.4MB in the end (delta: 8.1MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. * Witness Printer took 112.82ms. Allocated memory is still 207.6MB. Free memory was 92.4MB in the beginning and 87.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:06:24,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bdf60f4-4074-4a91-b7de-e6d0f3b7ea8c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE