./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a8a48c-c009-471d-a765-30aedab6594a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a8a48c-c009-471d-a765-30aedab6594a/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a8a48c-c009-471d-a765-30aedab6594a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a8a48c-c009-471d-a765-30aedab6594a/bin/ukojak-verify-Qdu7aM0XO9/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_41a8a48c-c009-471d-a765-30aedab6594a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a8a48c-c009-471d-a765-30aedab6594a/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 00:42:50,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:42:50,135 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a8a48c-c009-471d-a765-30aedab6594a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:42:50,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:42:50,139 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:42:50,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:42:50,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:42:50,161 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:42:50,162 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:42:50,162 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:42:50,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:42:50,164 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:42:50,164 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:42:50,165 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:42:50,165 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:42:50,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:42:50,166 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:42:50,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:42:50,167 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:42:50,167 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:42:50,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:42:50,168 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:42:50,169 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:42:50,169 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:42:50,170 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:42:50,170 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:42:50,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:42:50,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:42:50,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:42:50,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:42:50,173 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:42:50,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:42:50,174 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:42:50,174 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_41a8a48c-c009-471d-a765-30aedab6594a/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a8a48c-c009-471d-a765-30aedab6594a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 623f8e570c67201db9fc7be447d74d083955ca752401303f9fce588b7571c3af [2023-12-03 00:42:50,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:42:50,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:42:50,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:42:50,411 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:42:50,412 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:42:50,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a8a48c-c009-471d-a765-30aedab6594a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c [2023-12-03 00:42:53,312 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:42:53,478 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:42:53,479 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a8a48c-c009-471d-a765-30aedab6594a/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c [2023-12-03 00:42:53,487 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a8a48c-c009-471d-a765-30aedab6594a/bin/ukojak-verify-Qdu7aM0XO9/data/be67f9cef/32764602814445b498553a4f6d231e70/FLAG9de4d2da0 [2023-12-03 00:42:53,873 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a8a48c-c009-471d-a765-30aedab6594a/bin/ukojak-verify-Qdu7aM0XO9/data/be67f9cef/32764602814445b498553a4f6d231e70 [2023-12-03 00:42:53,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:42:53,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:42:53,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:42:53,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:42:53,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:42:53,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:42:53" (1/1) ... [2023-12-03 00:42:53,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76a50819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:53, skipping insertion in model container [2023-12-03 00:42:53,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:42:53" (1/1) ... [2023-12-03 00:42:53,906 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:42:54,069 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_41a8a48c-c009-471d-a765-30aedab6594a/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c[520,533] [2023-12-03 00:42:54,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:42:54,098 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:42:54,111 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_41a8a48c-c009-471d-a765-30aedab6594a/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c[520,533] [2023-12-03 00:42:54,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:42:54,133 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:42:54,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:54 WrapperNode [2023-12-03 00:42:54,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:42:54,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:42:54,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:42:54,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:42:54,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:54" (1/1) ... [2023-12-03 00:42:54,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:54" (1/1) ... [2023-12-03 00:42:54,168 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2023-12-03 00:42:54,168 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:42:54,169 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:42:54,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:42:54,170 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:42:54,179 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:54" (1/1) ... [2023-12-03 00:42:54,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:54" (1/1) ... [2023-12-03 00:42:54,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:54" (1/1) ... [2023-12-03 00:42:54,181 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:54" (1/1) ... [2023-12-03 00:42:54,184 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:54" (1/1) ... [2023-12-03 00:42:54,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:54" (1/1) ... [2023-12-03 00:42:54,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:54" (1/1) ... [2023-12-03 00:42:54,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:54" (1/1) ... [2023-12-03 00:42:54,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:42:54,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:42:54,193 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:42:54,194 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:42:54,195 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:42:54" (1/1) ... [2023-12-03 00:42:54,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:42:54,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a8a48c-c009-471d-a765-30aedab6594a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:42:54,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a8a48c-c009-471d-a765-30aedab6594a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:42:54,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a8a48c-c009-471d-a765-30aedab6594a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:42:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:42:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:42:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:42:54,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:42:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:42:54,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:42:54,342 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:42:54,345 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:42:54,481 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:42:54,529 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:42:54,529 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:42:54,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:42:54 BoogieIcfgContainer [2023-12-03 00:42:54,532 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:42:54,533 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:42:54,533 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:42:54,545 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:42:54,546 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:42:54" (1/1) ... [2023-12-03 00:42:54,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:42:54,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:54,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-12-03 00:42:54,626 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-12-03 00:42:54,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 00:42:54,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:54,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:55,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:42:55,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:55,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2023-12-03 00:42:55,107 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2023-12-03 00:42:55,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 00:42:55,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:55,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:55,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 00:42:55,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:55,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:42:55,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:55,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2023-12-03 00:42:55,623 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2023-12-03 00:42:55,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 00:42:55,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:55,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:55,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 00:42:55,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:55,724 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:42:55,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:55,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 42 transitions. [2023-12-03 00:42:55,850 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2023-12-03 00:42:55,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:42:55,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:55,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:55,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:42:55,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:55,934 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 00:42:56,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:56,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 47 transitions. [2023-12-03 00:42:56,091 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2023-12-03 00:42:56,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 00:42:56,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:56,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:56,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 00:42:56,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:56,192 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 00:42:56,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:56,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 52 transitions. [2023-12-03 00:42:56,386 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2023-12-03 00:42:56,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:42:56,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:56,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:56,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:42:56,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:56,475 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 00:42:56,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:56,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 55 transitions. [2023-12-03 00:42:56,679 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-12-03 00:42:56,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 00:42:56,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:56,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:56,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 00:42:56,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:56,812 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 00:42:57,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:57,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 57 transitions. [2023-12-03 00:42:57,081 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2023-12-03 00:42:57,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:42:57,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:57,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:57,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:42:57,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:57,244 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 00:42:57,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:57,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 56 transitions. [2023-12-03 00:42:57,806 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2023-12-03 00:42:57,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 00:42:57,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:57,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:57,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 00:42:57,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:57,951 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 00:42:58,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:58,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 60 transitions. [2023-12-03 00:42:58,211 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2023-12-03 00:42:58,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 00:42:58,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:58,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:58,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:42:58,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:58,271 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-03 00:42:58,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:58,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 61 transitions. [2023-12-03 00:42:58,375 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2023-12-03 00:42:58,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 00:42:58,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:58,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:58,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 00:42:58,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:58,502 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 00:42:58,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:58,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 67 transitions. [2023-12-03 00:42:58,770 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2023-12-03 00:42:58,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 00:42:58,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:58,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:58,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:42:58,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:58,827 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-12-03 00:42:58,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:58,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 66 transitions. [2023-12-03 00:42:58,892 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2023-12-03 00:42:58,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 00:42:58,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:58,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:58,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-03 00:42:58,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:59,068 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-03 00:42:59,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:59,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 68 transitions. [2023-12-03 00:42:59,386 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2023-12-03 00:42:59,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 00:42:59,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:59,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:59,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 00:42:59,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:59,535 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 15 proven. 35 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-12-03 00:42:59,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:59,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 41 states and 72 transitions. [2023-12-03 00:42:59,817 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2023-12-03 00:42:59,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 00:42:59,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:59,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:42:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:42:59,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:42:59,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:42:59,866 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2023-12-03 00:42:59,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:42:59,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 73 transitions. [2023-12-03 00:42:59,983 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2023-12-03 00:42:59,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 00:42:59,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:42:59,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:43:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:00,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 00:43:00,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:43:00,262 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 29 proven. 10 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-12-03 00:43:01,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:43:01,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 31 states and 44 transitions. [2023-12-03 00:43:01,142 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2023-12-03 00:43:01,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 00:43:01,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:43:01,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:43:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:43:01,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:43:01,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:43:01,193 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2023-12-03 00:43:01,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:43:01,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 25 states and 37 transitions. [2023-12-03 00:43:01,523 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-12-03 00:43:01,523 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 00:43:01,523 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 18 iterations. [2023-12-03 00:43:01,530 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 00:43:01,894 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2023-12-03 00:43:01,900 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 00:43:01,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:43:01 ImpRootNode [2023-12-03 00:43:01,901 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:43:01,901 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:43:01,901 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:43:01,902 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:43:01,902 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:42:54" (3/4) ... [2023-12-03 00:43:01,903 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 00:43:01,906 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-03 00:43:01,910 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-12-03 00:43:01,910 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-03 00:43:01,910 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 00:43:01,910 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 00:43:01,995 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a8a48c-c009-471d-a765-30aedab6594a/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 00:43:01,995 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a8a48c-c009-471d-a765-30aedab6594a/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 00:43:01,996 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:43:01,997 INFO L158 Benchmark]: Toolchain (without parser) took 8120.39ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 114.7MB in the beginning and 70.5MB in the end (delta: 44.2MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. [2023-12-03 00:43:01,997 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:43:01,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.15ms. Allocated memory is still 159.4MB. Free memory was 114.7MB in the beginning and 103.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 00:43:01,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.64ms. Allocated memory is still 159.4MB. Free memory was 103.8MB in the beginning and 102.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:43:01,999 INFO L158 Benchmark]: Boogie Preprocessor took 23.13ms. Allocated memory is still 159.4MB. Free memory was 102.5MB in the beginning and 101.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:43:01,999 INFO L158 Benchmark]: RCFGBuilder took 338.55ms. Allocated memory is still 159.4MB. Free memory was 101.4MB in the beginning and 88.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:43:02,000 INFO L158 Benchmark]: CodeCheck took 7368.22ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 88.8MB in the beginning and 75.7MB in the end (delta: 13.1MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2023-12-03 00:43:02,000 INFO L158 Benchmark]: Witness Printer took 94.47ms. Allocated memory is still 205.5MB. Free memory was 75.7MB in the beginning and 70.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 00:43:02,003 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: 7.0s, 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, 6.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 264 mSDsluCounter, 563 SdHoareTripleChecker+Invalid, 5.6s 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, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4484 GetRequests, 4278 SyntacticMatches, 94 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5436 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s 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 0.17ms. Allocated memory is still 109.1MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.15ms. Allocated memory is still 159.4MB. Free memory was 114.7MB in the beginning and 103.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.64ms. Allocated memory is still 159.4MB. Free memory was 103.8MB in the beginning and 102.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.13ms. Allocated memory is still 159.4MB. Free memory was 102.5MB in the beginning and 101.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 338.55ms. Allocated memory is still 159.4MB. Free memory was 101.4MB in the beginning and 88.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 7368.22ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 88.8MB in the beginning and 75.7MB in the end (delta: 13.1MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. * Witness Printer took 94.47ms. Allocated memory is still 205.5MB. Free memory was 75.7MB in the beginning and 70.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 00:43:02,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41a8a48c-c009-471d-a765-30aedab6594a/bin/ukojak-verify-Qdu7aM0XO9/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