./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_eb7a8697-7bb2-4d14-942f-e1c3e45e644e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7a8697-7bb2-4d14-942f-e1c3e45e644e/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_eb7a8697-7bb2-4d14-942f-e1c3e45e644e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7a8697-7bb2-4d14-942f-e1c3e45e644e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7a8697-7bb2-4d14-942f-e1c3e45e644e/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_eb7a8697-7bb2-4d14-942f-e1c3e45e644e/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 d6c389695f28ab23288d12eab23e55426fe9ec0f0b8fe9723cca18e00c3db8b7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:31:40,716 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:31:40,782 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7a8697-7bb2-4d14-942f-e1c3e45e644e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:31:40,786 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:31:40,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:31:40,808 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:31:40,809 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:31:40,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:31:40,810 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:31:40,811 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:31:40,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:31:40,812 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:31:40,812 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:31:40,813 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:31:40,813 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:31:40,814 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:31:40,814 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:31:40,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:31:40,815 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:31:40,816 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:31:40,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:31:40,819 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:31:40,820 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:31:40,820 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:31:40,821 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:31:40,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:31:40,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:31:40,822 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:31:40,822 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:31:40,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:31:40,823 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:31:40,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:31:40,824 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:31:40,824 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_eb7a8697-7bb2-4d14-942f-e1c3e45e644e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7a8697-7bb2-4d14-942f-e1c3e45e644e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6c389695f28ab23288d12eab23e55426fe9ec0f0b8fe9723cca18e00c3db8b7 [2023-12-03 02:31:41,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:31:41,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:31:41,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:31:41,082 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:31:41,083 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:31:41,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7a8697-7bb2-4d14-942f-e1c3e45e644e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c [2023-12-03 02:31:43,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:31:44,065 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:31:44,066 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7a8697-7bb2-4d14-942f-e1c3e45e644e/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c [2023-12-03 02:31:44,074 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7a8697-7bb2-4d14-942f-e1c3e45e644e/bin/ukojak-verify-Qdu7aM0XO9/data/961a227c2/5832656ed25c4179a9002f67c7e65314/FLAG79fd470d2 [2023-12-03 02:31:44,089 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7a8697-7bb2-4d14-942f-e1c3e45e644e/bin/ukojak-verify-Qdu7aM0XO9/data/961a227c2/5832656ed25c4179a9002f67c7e65314 [2023-12-03 02:31:44,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:31:44,093 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:31:44,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:31:44,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:31:44,100 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:31:44,101 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:31:44" (1/1) ... [2023-12-03 02:31:44,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37d3bfc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:44, skipping insertion in model container [2023-12-03 02:31:44,102 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:31:44" (1/1) ... [2023-12-03 02:31:44,123 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:31:44,277 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_eb7a8697-7bb2-4d14-942f-e1c3e45e644e/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c[520,533] [2023-12-03 02:31:44,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:31:44,306 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:31:44,319 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_eb7a8697-7bb2-4d14-942f-e1c3e45e644e/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c[520,533] [2023-12-03 02:31:44,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:31:44,340 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:31:44,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:44 WrapperNode [2023-12-03 02:31:44,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:31:44,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:31:44,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:31:44,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:31:44,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:44" (1/1) ... [2023-12-03 02:31:44,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:44" (1/1) ... [2023-12-03 02:31:44,377 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2023-12-03 02:31:44,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:31:44,378 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:31:44,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:31:44,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:31:44,388 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:44" (1/1) ... [2023-12-03 02:31:44,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:44" (1/1) ... [2023-12-03 02:31:44,389 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:44" (1/1) ... [2023-12-03 02:31:44,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:44" (1/1) ... [2023-12-03 02:31:44,393 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:44" (1/1) ... [2023-12-03 02:31:44,396 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:44" (1/1) ... [2023-12-03 02:31:44,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:44" (1/1) ... [2023-12-03 02:31:44,398 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:44" (1/1) ... [2023-12-03 02:31:44,400 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:31:44,401 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:31:44,401 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:31:44,401 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:31:44,402 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:31:44" (1/1) ... [2023-12-03 02:31:44,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:31:44,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7a8697-7bb2-4d14-942f-e1c3e45e644e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:31:44,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7a8697-7bb2-4d14-942f-e1c3e45e644e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:31:44,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7a8697-7bb2-4d14-942f-e1c3e45e644e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:31:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:31:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:31:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:31:44,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:31:44,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:31:44,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:31:44,541 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:31:44,543 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:31:44,662 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:31:44,684 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:31:44,684 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:31:44,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:31:44 BoogieIcfgContainer [2023-12-03 02:31:44,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:31:44,687 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:31:44,687 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:31:44,697 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:31:44,698 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:31:44" (1/1) ... [2023-12-03 02:31:44,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:31:44,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:44,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2023-12-03 02:31:44,763 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2023-12-03 02:31:44,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 02:31:44,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:44,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:31:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:44,900 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 02:31:44,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:44,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-12-03 02:31:44,919 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-12-03 02:31:44,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:31:44,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:44,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:31:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:45,026 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 02:31:45,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:45,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-12-03 02:31:45,065 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-12-03 02:31:45,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:31:45,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:45,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:31:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:45,264 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 02:31:45,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:45,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 38 transitions. [2023-12-03 02:31:45,510 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2023-12-03 02:31:45,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:31:45,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:45,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:31:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:45,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:31:45,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:45,736 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 02:31:46,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:46,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2023-12-03 02:31:46,392 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-12-03 02:31:46,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:31:46,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:46,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:31:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:46,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:31:46,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:46,501 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 02:31:46,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:46,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 49 transitions. [2023-12-03 02:31:46,634 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2023-12-03 02:31:46,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 02:31:46,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:46,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:31:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:46,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:31:46,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:46,684 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 02:31:46,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:46,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 55 transitions. [2023-12-03 02:31:46,805 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-12-03 02:31:46,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:31:46,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:46,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:31:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:46,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:31:46,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:46,965 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 02:31:47,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:47,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 43 states and 85 transitions. [2023-12-03 02:31:47,967 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 85 transitions. [2023-12-03 02:31:47,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:31:47,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:47,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:31:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:47,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:31:47,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:48,145 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:31:48,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:48,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 46 states and 90 transitions. [2023-12-03 02:31:48,746 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 90 transitions. [2023-12-03 02:31:48,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 02:31:48,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:48,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:31:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:48,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:31:48,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:48,842 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 02:31:49,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:49,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 48 states and 97 transitions. [2023-12-03 02:31:49,243 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 97 transitions. [2023-12-03 02:31:49,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:31:49,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:49,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:31:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:49,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 02:31:49,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:49,412 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 02:31:50,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:50,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 52 states and 108 transitions. [2023-12-03 02:31:50,158 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 108 transitions. [2023-12-03 02:31:50,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:31:50,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:50,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:31:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:50,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 02:31:50,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:50,255 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 02:31:50,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:50,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 52 states and 107 transitions. [2023-12-03 02:31:50,659 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 107 transitions. [2023-12-03 02:31:50,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 02:31:50,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:50,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:31:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:50,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:31:50,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:50,869 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 02:31:51,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:51,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 52 states and 106 transitions. [2023-12-03 02:31:51,738 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 106 transitions. [2023-12-03 02:31:51,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 02:31:51,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:51,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:31:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:51,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 02:31:51,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:51,881 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 02:31:52,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:52,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 53 states and 114 transitions. [2023-12-03 02:31:52,273 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 114 transitions. [2023-12-03 02:31:52,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 02:31:52,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:52,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:31:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:52,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:31:52,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:52,320 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-03 02:31:52,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 54 states and 116 transitions. [2023-12-03 02:31:52,459 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 116 transitions. [2023-12-03 02:31:52,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:31:52,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:52,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:31:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:52,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:31:52,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:52,675 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 02:31:53,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:53,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 65 states and 156 transitions. [2023-12-03 02:31:53,931 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 156 transitions. [2023-12-03 02:31:53,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:31:53,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:53,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:31:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:53,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 02:31:53,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:54,060 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 02:31:54,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:54,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 68 states and 162 transitions. [2023-12-03 02:31:54,662 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 162 transitions. [2023-12-03 02:31:54,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:31:54,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:54,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:31:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:54,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:31:54,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:54,814 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 02:31:55,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:55,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 38 states and 63 transitions. [2023-12-03 02:31:55,305 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2023-12-03 02:31:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 02:31:55,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:55,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:31:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:55,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:31:55,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:55,368 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-12-03 02:31:55,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:55,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 38 states and 62 transitions. [2023-12-03 02:31:55,544 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2023-12-03 02:31:55,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 02:31:55,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:55,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:31:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:55,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-03 02:31:55,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:55,986 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 13 proven. 29 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-03 02:31:56,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:56,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 32 states and 51 transitions. [2023-12-03 02:31:56,489 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2023-12-03 02:31:56,489 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 02:31:56,489 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2023-12-03 02:31:56,496 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 02:31:56,820 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:31:56,823 INFO L560 CodeCheckObserver]: Invariant with dag size 29 [2023-12-03 02:31:56,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:31:56 ImpRootNode [2023-12-03 02:31:56,826 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:31:56,827 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:31:56,827 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:31:56,827 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:31:56,827 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:31:44" (3/4) ... [2023-12-03 02:31:56,829 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 02:31:56,831 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-03 02:31:56,834 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-12-03 02:31:56,834 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-03 02:31:56,834 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 02:31:56,834 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 02:31:56,910 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7a8697-7bb2-4d14-942f-e1c3e45e644e/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 02:31:56,911 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7a8697-7bb2-4d14-942f-e1c3e45e644e/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 02:31:56,911 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:31:56,912 INFO L158 Benchmark]: Toolchain (without parser) took 12818.39ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 100.6MB in the beginning and 96.3MB in the end (delta: 4.2MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2023-12-03 02:31:56,912 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 148.9MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:31:56,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.91ms. Allocated memory is still 148.9MB. Free memory was 100.6MB in the beginning and 89.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:31:56,913 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.85ms. Allocated memory is still 148.9MB. Free memory was 89.5MB in the beginning and 88.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:31:56,914 INFO L158 Benchmark]: Boogie Preprocessor took 22.32ms. Allocated memory is still 148.9MB. Free memory was 88.0MB in the beginning and 87.4MB in the end (delta: 565.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:31:56,914 INFO L158 Benchmark]: RCFGBuilder took 285.39ms. Allocated memory is still 148.9MB. Free memory was 87.0MB in the beginning and 76.0MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 02:31:56,915 INFO L158 Benchmark]: CodeCheck took 12139.34ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 76.0MB in the beginning and 101.5MB in the end (delta: -25.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-12-03 02:31:56,915 INFO L158 Benchmark]: Witness Printer took 84.14ms. Allocated memory is still 186.6MB. Free memory was 100.5MB in the beginning and 96.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:31:56,918 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.8s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 983 SdHoareTripleChecker+Valid, 9.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 444 mSDsluCounter, 663 SdHoareTripleChecker+Invalid, 8.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 218 mSDsCounter, 1991 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5926 IncrementalHoareTripleChecker+Invalid, 7917 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1991 mSolverCounterUnsat, 445 mSDtfsCounter, 5926 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5097 GetRequests, 4737 SyntacticMatches, 160 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20059 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 542 NumberOfCodeBlocks, 542 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 523 ConstructedInterpolants, 0 QuantifiedInterpolants, 1650 SizeOfPredicates, 35 NumberOfNonLiveVariables, 1553 ConjunctsInSsa, 236 ConjunctsInUnsatCore, 19 InterpolantComputations, 3 PerfectInterpolantSequences, 684/818 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: 46]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((a == 1) && (s == 4)) || ((9 == s) && (2 == a))) || (!(((5 == t) && (2 == a))) && (1 < counter))) || (counter == 0)) || (!(((3 == t) && (a == 1))) && (counter <= 1))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 148.9MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.91ms. Allocated memory is still 148.9MB. Free memory was 100.6MB in the beginning and 89.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.85ms. Allocated memory is still 148.9MB. Free memory was 89.5MB in the beginning and 88.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.32ms. Allocated memory is still 148.9MB. Free memory was 88.0MB in the beginning and 87.4MB in the end (delta: 565.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 285.39ms. Allocated memory is still 148.9MB. Free memory was 87.0MB in the beginning and 76.0MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 12139.34ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 76.0MB in the beginning and 101.5MB in the end (delta: -25.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Witness Printer took 84.14ms. Allocated memory is still 186.6MB. Free memory was 100.5MB in the beginning and 96.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 02:31:56,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb7a8697-7bb2-4d14-942f-e1c3e45e644e/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