./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_c277f9bb-3ef2-46a2-a6fc-7a19e0736838/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c277f9bb-3ef2-46a2-a6fc-7a19e0736838/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c277f9bb-3ef2-46a2-a6fc-7a19e0736838/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c277f9bb-3ef2-46a2-a6fc-7a19e0736838/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c277f9bb-3ef2-46a2-a6fc-7a19e0736838/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c277f9bb-3ef2-46a2-a6fc-7a19e0736838/bin/ukojak-verify-0OAaufAVZV --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 623f8e570c67201db9fc7be447d74d083955ca752401303f9fce588b7571c3af --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:43:56,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:43:56,639 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c277f9bb-3ef2-46a2-a6fc-7a19e0736838/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:43:56,646 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:43:56,647 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:43:56,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:43:56,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:43:56,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:43:56,680 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:43:56,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:43:56,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:43:56,682 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:43:56,683 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:43:56,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:43:56,684 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:43:56,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:43:56,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:43:56,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:43:56,687 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:43:56,688 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:43:56,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:43:56,689 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:43:56,690 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:43:56,691 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:43:56,691 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:43:56,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:43:56,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:43:56,694 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:43:56,694 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:43:56,695 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:43:56,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:43:56,696 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:43:56,697 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_c277f9bb-3ef2-46a2-a6fc-7a19e0736838/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c277f9bb-3ef2-46a2-a6fc-7a19e0736838/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 623f8e570c67201db9fc7be447d74d083955ca752401303f9fce588b7571c3af [2023-11-11 23:43:57,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:43:57,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:43:57,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:43:57,111 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:43:57,111 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:43:57,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c277f9bb-3ef2-46a2-a6fc-7a19e0736838/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c [2023-11-11 23:44:00,703 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:44:00,951 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:44:00,959 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c277f9bb-3ef2-46a2-a6fc-7a19e0736838/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c [2023-11-11 23:44:00,971 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c277f9bb-3ef2-46a2-a6fc-7a19e0736838/bin/ukojak-verify-0OAaufAVZV/data/4dba14fca/52d83169b29847e69f74541bbd3cd18f/FLAG20c94ad12 [2023-11-11 23:44:00,992 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c277f9bb-3ef2-46a2-a6fc-7a19e0736838/bin/ukojak-verify-0OAaufAVZV/data/4dba14fca/52d83169b29847e69f74541bbd3cd18f [2023-11-11 23:44:00,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:44:00,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:44:00,999 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:44:00,999 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:44:01,007 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:44:01,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:44:00" (1/1) ... [2023-11-11 23:44:01,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ee33091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:01, skipping insertion in model container [2023-11-11 23:44:01,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:44:00" (1/1) ... [2023-11-11 23:44:01,044 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:44:01,246 WARN L240 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_c277f9bb-3ef2-46a2-a6fc-7a19e0736838/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c[520,533] [2023-11-11 23:44:01,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:44:01,278 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:44:01,291 WARN L240 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_c277f9bb-3ef2-46a2-a6fc-7a19e0736838/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c[520,533] [2023-11-11 23:44:01,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:44:01,319 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:44:01,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:01 WrapperNode [2023-11-11 23:44:01,320 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:44:01,321 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:44:01,321 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:44:01,322 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:44:01,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:01" (1/1) ... [2023-11-11 23:44:01,340 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:01" (1/1) ... [2023-11-11 23:44:01,364 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2023-11-11 23:44:01,364 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:44:01,365 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:44:01,366 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:44:01,366 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:44:01,375 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:01" (1/1) ... [2023-11-11 23:44:01,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:01" (1/1) ... [2023-11-11 23:44:01,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:01" (1/1) ... [2023-11-11 23:44:01,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:01" (1/1) ... [2023-11-11 23:44:01,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:01" (1/1) ... [2023-11-11 23:44:01,385 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:01" (1/1) ... [2023-11-11 23:44:01,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:01" (1/1) ... [2023-11-11 23:44:01,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:01" (1/1) ... [2023-11-11 23:44:01,390 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:44:01,391 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:44:01,391 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:44:01,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:44:01,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:01" (1/1) ... [2023-11-11 23:44:01,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:44:01,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c277f9bb-3ef2-46a2-a6fc-7a19e0736838/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:44:01,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c277f9bb-3ef2-46a2-a6fc-7a19e0736838/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:44:01,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c277f9bb-3ef2-46a2-a6fc-7a19e0736838/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:44:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:44:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:44:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:44:01,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:44:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-11 23:44:01,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-11 23:44:01,575 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:44:01,577 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:44:01,744 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:44:01,803 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:44:01,803 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:44:01,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:01 BoogieIcfgContainer [2023-11-11 23:44:01,807 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:44:01,808 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:44:01,808 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:44:01,822 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:44:01,822 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:01" (1/1) ... [2023-11-11 23:44:01,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:44:01,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:01,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-11 23:44:01,911 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-11 23:44:01,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:44:01,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:01,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:02,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:02,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:02,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2023-11-11 23:44:02,679 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2023-11-11 23:44:02,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:44:02,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:02,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:02,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-11 23:44:02,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:02,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:03,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:03,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2023-11-11 23:44:03,403 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2023-11-11 23:44:03,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:44:03,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:03,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:03,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-11 23:44:03,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:03,622 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:44:03,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:03,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 42 transitions. [2023-11-11 23:44:03,818 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2023-11-11 23:44:03,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:44:03,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:03,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:03,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:44:03,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:03,985 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:44:04,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:04,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 47 transitions. [2023-11-11 23:44:04,177 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2023-11-11 23:44:04,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:44:04,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:04,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:04,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-11 23:44:04,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:04,308 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:44:04,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:04,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 52 transitions. [2023-11-11 23:44:04,574 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2023-11-11 23:44:04,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:44:04,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:04,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:04,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:44:04,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:04,725 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-11 23:44:05,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:05,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 55 transitions. [2023-11-11 23:44:05,010 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-11-11 23:44:05,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:44:05,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:05,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:05,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-11 23:44:05,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:05,180 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-11 23:44:05,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:05,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 57 transitions. [2023-11-11 23:44:05,503 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2023-11-11 23:44:05,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:44:05,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:05,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:05,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:44:05,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:05,794 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-11 23:44:06,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:06,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 56 transitions. [2023-11-11 23:44:06,316 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2023-11-11 23:44:06,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:44:06,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:06,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:06,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-11 23:44:06,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:06,465 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-11 23:44:06,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:06,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 60 transitions. [2023-11-11 23:44:06,750 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2023-11-11 23:44:06,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-11 23:44:06,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:06,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:06,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:44:06,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:06,813 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-11 23:44:06,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:06,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 61 transitions. [2023-11-11 23:44:06,938 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2023-11-11 23:44:06,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-11 23:44:06,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:06,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:06,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-11 23:44:06,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:07,099 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-11 23:44:07,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:07,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 67 transitions. [2023-11-11 23:44:07,499 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2023-11-11 23:44:07,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-11 23:44:07,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:07,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:07,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:44:07,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:07,574 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-11 23:44:07,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:07,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 66 transitions. [2023-11-11 23:44:07,658 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2023-11-11 23:44:07,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-11 23:44:07,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:07,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:07,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-11 23:44:07,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:07,885 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-11 23:44:08,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:08,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 68 transitions. [2023-11-11 23:44:08,386 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2023-11-11 23:44:08,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-11 23:44:08,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:08,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:08,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-11 23:44:08,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:08,603 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 15 proven. 35 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-11 23:44:09,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:09,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 41 states and 72 transitions. [2023-11-11 23:44:09,020 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2023-11-11 23:44:09,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-11 23:44:09,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:09,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:09,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:44:09,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:09,098 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2023-11-11 23:44:09,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:09,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 73 transitions. [2023-11-11 23:44:09,269 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2023-11-11 23:44:09,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-11 23:44:09,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:09,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:09,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-11 23:44:09,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:09,729 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 29 proven. 10 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-11 23:44:11,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:11,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 31 states and 44 transitions. [2023-11-11 23:44:11,190 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2023-11-11 23:44:11,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-11 23:44:11,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:11,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:11,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:44:11,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:44:11,282 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2023-11-11 23:44:11,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:11,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 25 states and 37 transitions. [2023-11-11 23:44:11,768 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-11 23:44:11,769 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:44:11,770 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 18 iterations. [2023-11-11 23:44:11,783 INFO L753 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-11 23:44:12,342 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2023-11-11 23:44:12,357 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:44:12,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:44:12 ImpRootNode [2023-11-11 23:44:12,359 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:44:12,360 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:44:12,360 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:44:12,361 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:44:12,362 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:01" (3/4) ... [2023-11-11 23:44:12,365 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:44:12,369 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-11 23:44:12,376 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-11 23:44:12,376 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-11 23:44:12,377 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-11 23:44:12,377 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:44:12,496 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c277f9bb-3ef2-46a2-a6fc-7a19e0736838/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:44:12,496 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c277f9bb-3ef2-46a2-a6fc-7a19e0736838/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:44:12,497 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:44:12,498 INFO L158 Benchmark]: Toolchain (without parser) took 11500.36ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 102.6MB in the beginning and 64.6MB in the end (delta: 38.0MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. [2023-11-11 23:44:12,498 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 111.1MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:44:12,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.91ms. Allocated memory is still 144.7MB. Free memory was 102.6MB in the beginning and 92.0MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:44:12,499 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.49ms. Allocated memory is still 144.7MB. Free memory was 92.0MB in the beginning and 90.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:44:12,500 INFO L158 Benchmark]: Boogie Preprocessor took 24.86ms. Allocated memory is still 144.7MB. Free memory was 90.6MB in the beginning and 89.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:44:12,501 INFO L158 Benchmark]: RCFGBuilder took 415.88ms. Allocated memory is still 144.7MB. Free memory was 89.3MB in the beginning and 76.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:44:12,501 INFO L158 Benchmark]: CodeCheck took 10551.54ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 76.8MB in the beginning and 68.7MB in the end (delta: 8.1MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2023-11-11 23:44:12,502 INFO L158 Benchmark]: Witness Printer took 136.77ms. Allocated memory is still 176.2MB. Free memory was 68.7MB in the beginning and 64.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:44:12,505 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.9s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 596 SdHoareTripleChecker+Valid, 9.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 264 mSDsluCounter, 563 SdHoareTripleChecker+Invalid, 7.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 352 mSDsCounter, 1321 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3245 IncrementalHoareTripleChecker+Invalid, 4566 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1321 mSolverCounterUnsat, 211 mSDtfsCounter, 3245 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4484 GetRequests, 4278 SyntacticMatches, 94 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5436 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 590 NumberOfCodeBlocks, 590 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 573 ConstructedInterpolants, 0 QuantifiedInterpolants, 1643 SizeOfPredicates, 35 NumberOfNonLiveVariables, 1592 ConjunctsInSsa, 249 ConjunctsInUnsatCore, 17 InterpolantComputations, 1 PerfectInterpolantSequences, 1135/1305 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 14]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((!(((3 == t) && (a == 1))) && !(((5 == t) && (2 == a)))) || ((a == 1) && (s == 4))) || ((9 == s) && (2 == a))) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 111.1MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.91ms. Allocated memory is still 144.7MB. Free memory was 102.6MB in the beginning and 92.0MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.49ms. Allocated memory is still 144.7MB. Free memory was 92.0MB in the beginning and 90.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.86ms. Allocated memory is still 144.7MB. Free memory was 90.6MB in the beginning and 89.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 415.88ms. Allocated memory is still 144.7MB. Free memory was 89.3MB in the beginning and 76.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 10551.54ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 76.8MB in the beginning and 68.7MB in the end (delta: 8.1MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * Witness Printer took 136.77ms. Allocated memory is still 176.2MB. Free memory was 68.7MB in the beginning and 64.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:44:12,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c277f9bb-3ef2-46a2-a6fc-7a19e0736838/bin/ukojak-verify-0OAaufAVZV/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