./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ac77b-0534-40e5-b9ae-1fe8752d8671/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ac77b-0534-40e5-b9ae-1fe8752d8671/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ac77b-0534-40e5-b9ae-1fe8752d8671/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ac77b-0534-40e5-b9ae-1fe8752d8671/bin/ukojak-verify-G8NBE6pJGL/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_182ac77b-0534-40e5-b9ae-1fe8752d8671/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ac77b-0534-40e5-b9ae-1fe8752d8671/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 04:00:21,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:00:21,886 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ac77b-0534-40e5-b9ae-1fe8752d8671/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:00:21,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:00:21,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:00:21,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:00:21,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:00:21,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:00:21,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:00:21,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:00:21,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:00:21,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:00:21,924 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:00:21,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:00:21,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:00:21,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:00:21,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:00:21,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:00:21,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:00:21,928 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:00:21,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:00:21,930 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:00:21,931 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:00:21,931 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:00:21,932 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:00:21,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:00:21,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:21,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:00:21,935 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:00:21,935 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:00:21,936 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:00:21,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:00:21,937 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:00:21,938 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_182ac77b-0534-40e5-b9ae-1fe8752d8671/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ac77b-0534-40e5-b9ae-1fe8752d8671/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6c389695f28ab23288d12eab23e55426fe9ec0f0b8fe9723cca18e00c3db8b7 [2023-11-19 04:00:22,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:00:22,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:00:22,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:00:22,216 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:00:22,217 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:00:22,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ac77b-0534-40e5-b9ae-1fe8752d8671/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c [2023-11-19 04:00:25,269 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:00:25,494 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:00:25,495 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ac77b-0534-40e5-b9ae-1fe8752d8671/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c [2023-11-19 04:00:25,509 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ac77b-0534-40e5-b9ae-1fe8752d8671/bin/ukojak-verify-G8NBE6pJGL/data/3411bc795/a1aa57b0609542929fd0177d72ba2da2/FLAG578933d47 [2023-11-19 04:00:25,523 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ac77b-0534-40e5-b9ae-1fe8752d8671/bin/ukojak-verify-G8NBE6pJGL/data/3411bc795/a1aa57b0609542929fd0177d72ba2da2 [2023-11-19 04:00:25,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:00:25,527 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:00:25,529 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:25,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:00:25,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:00:25,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:25" (1/1) ... [2023-11-19 04:00:25,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e51a4db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25, skipping insertion in model container [2023-11-19 04:00:25,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:25" (1/1) ... [2023-11-19 04:00:25,558 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:00:25,710 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_182ac77b-0534-40e5-b9ae-1fe8752d8671/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c[520,533] [2023-11-19 04:00:25,729 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:25,741 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:00:25,754 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_182ac77b-0534-40e5-b9ae-1fe8752d8671/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound2.c[520,533] [2023-11-19 04:00:25,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:25,782 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:00:25,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25 WrapperNode [2023-11-19 04:00:25,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:25,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:25,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:00:25,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:00:25,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25" (1/1) ... [2023-11-19 04:00:25,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25" (1/1) ... [2023-11-19 04:00:25,821 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2023-11-19 04:00:25,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:25,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:00:25,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:00:25,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:00:25,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25" (1/1) ... [2023-11-19 04:00:25,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25" (1/1) ... [2023-11-19 04:00:25,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25" (1/1) ... [2023-11-19 04:00:25,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25" (1/1) ... [2023-11-19 04:00:25,838 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25" (1/1) ... [2023-11-19 04:00:25,841 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25" (1/1) ... [2023-11-19 04:00:25,843 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25" (1/1) ... [2023-11-19 04:00:25,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25" (1/1) ... [2023-11-19 04:00:25,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:00:25,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:00:25,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:00:25,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:00:25,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:25" (1/1) ... [2023-11-19 04:00:25,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:25,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ac77b-0534-40e5-b9ae-1fe8752d8671/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:00:25,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ac77b-0534-40e5-b9ae-1fe8752d8671/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:00:25,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ac77b-0534-40e5-b9ae-1fe8752d8671/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:00:25,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:00:25,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:00:25,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:00:25,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:00:25,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:00:25,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:00:26,004 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:00:26,007 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:00:26,169 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:00:26,189 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:00:26,189 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:00:26,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:26 BoogieIcfgContainer [2023-11-19 04:00:26,194 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:00:26,195 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:00:26,195 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:00:26,207 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:00:26,207 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:26" (1/1) ... [2023-11-19 04:00:26,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:00:26,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:26,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2023-11-19 04:00:26,278 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2023-11-19 04:00:26,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:00:26,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:26,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:26,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:26,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:26,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-11-19 04:00:26,495 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-19 04:00:26,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:00:26,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:26,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:26,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:26,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:26,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2023-11-19 04:00:26,684 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2023-11-19 04:00:26,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:00:26,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:26,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:26,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:27,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:27,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 38 transitions. [2023-11-19 04:00:27,210 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2023-11-19 04:00:27,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:00:27,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:27,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:27,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:00:27,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:27,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:27,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:27,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 46 transitions. [2023-11-19 04:00:27,938 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-19 04:00:27,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:00:27,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:27,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:27,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:00:27,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:28,038 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:00:28,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:28,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 49 transitions. [2023-11-19 04:00:28,173 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2023-11-19 04:00:28,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:00:28,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:28,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:28,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:00:28,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:28,280 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:28,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:28,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 33 states and 58 transitions. [2023-11-19 04:00:28,439 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2023-11-19 04:00:28,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:00:28,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:28,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:28,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:00:28,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:28,587 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:29,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:29,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 43 states and 90 transitions. [2023-11-19 04:00:29,641 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 90 transitions. [2023-11-19 04:00:29,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:00:29,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:29,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:29,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:29,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:29,795 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:30,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:30,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 45 states and 92 transitions. [2023-11-19 04:00:30,226 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 92 transitions. [2023-11-19 04:00:30,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:00:30,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:30,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:30,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:00:30,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:30,304 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:00:30,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 48 states and 107 transitions. [2023-11-19 04:00:30,600 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 107 transitions. [2023-11-19 04:00:30,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:00:30,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:30,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:30,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:00:30,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:30,997 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:00:31,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:31,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 52 states and 118 transitions. [2023-11-19 04:00:31,887 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 118 transitions. [2023-11-19 04:00:31,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:00:31,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:31,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:31,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:00:31,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:32,446 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 04:00:33,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:33,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 54 states and 119 transitions. [2023-11-19 04:00:33,240 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 119 transitions. [2023-11-19 04:00:33,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:00:33,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:33,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:33,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:00:33,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:33,315 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 04:00:33,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:33,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 56 states and 129 transitions. [2023-11-19 04:00:33,392 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 129 transitions. [2023-11-19 04:00:33,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:00:33,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:33,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:33,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:33,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:33,539 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 04:00:33,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:33,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 57 states and 135 transitions. [2023-11-19 04:00:33,949 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 135 transitions. [2023-11-19 04:00:33,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 04:00:33,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:33,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:33,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:33,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:34,010 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 04:00:34,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:34,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 59 states and 139 transitions. [2023-11-19 04:00:34,365 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 139 transitions. [2023-11-19 04:00:34,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:00:34,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:34,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:34,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:00:34,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:34,607 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:00:36,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:36,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 71 states and 188 transitions. [2023-11-19 04:00:36,641 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 188 transitions. [2023-11-19 04:00:36,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:00:36,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:36,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:36,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:00:36,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:36,817 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 04:00:37,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:37,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 74 states and 193 transitions. [2023-11-19 04:00:37,575 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 193 transitions. [2023-11-19 04:00:37,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:00:37,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:37,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:37,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:00:37,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:37,773 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:00:38,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:38,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 39 states and 77 transitions. [2023-11-19 04:00:38,315 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 77 transitions. [2023-11-19 04:00:38,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:00:38,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:38,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:38,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:38,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:38,468 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-19 04:00:39,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:39,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 41 states and 84 transitions. [2023-11-19 04:00:39,370 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 84 transitions. [2023-11-19 04:00:39,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:00:39,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:39,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:39,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 04:00:39,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:40,017 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 04:00:40,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:40,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 39 states and 76 transitions. [2023-11-19 04:00:40,633 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2023-11-19 04:00:40,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 04:00:40,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:40,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:40,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:40,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:40,839 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 31 proven. 7 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-19 04:00:42,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:42,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 35 states and 72 transitions. [2023-11-19 04:00:42,915 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 72 transitions. [2023-11-19 04:00:42,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:00:42,916 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2023-11-19 04:00:42,931 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 04:00:43,114 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:00:43,119 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:00:43,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:00:43 ImpRootNode [2023-11-19 04:00:43,120 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:00:43,121 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:00:43,121 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:00:43,121 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:00:43,122 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:26" (3/4) ... [2023-11-19 04:00:43,124 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:00:43,133 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 04:00:43,138 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-19 04:00:43,138 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 04:00:43,139 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 04:00:43,139 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:00:43,234 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ac77b-0534-40e5-b9ae-1fe8752d8671/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:00:43,235 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ac77b-0534-40e5-b9ae-1fe8752d8671/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 04:00:43,235 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:00:43,236 INFO L158 Benchmark]: Toolchain (without parser) took 17708.76ms. Allocated memory was 113.2MB in the beginning and 247.5MB in the end (delta: 134.2MB). Free memory was 69.2MB in the beginning and 136.3MB in the end (delta: -67.1MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2023-11-19 04:00:43,237 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory was 84.0MB in the beginning and 84.0MB in the end (delta: 27.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:00:43,237 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.44ms. Allocated memory is still 113.2MB. Free memory was 69.2MB in the beginning and 58.6MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:00:43,238 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.42ms. Allocated memory is still 113.2MB. Free memory was 58.3MB in the beginning and 56.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:00:43,239 INFO L158 Benchmark]: Boogie Preprocessor took 22.89ms. Allocated memory is still 113.2MB. Free memory was 56.9MB in the beginning and 56.0MB in the end (delta: 945.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:00:43,239 INFO L158 Benchmark]: RCFGBuilder took 347.47ms. Allocated memory was 113.2MB in the beginning and 140.5MB in the end (delta: 27.3MB). Free memory was 56.0MB in the beginning and 104.2MB in the end (delta: -48.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:00:43,240 INFO L158 Benchmark]: CodeCheck took 16924.85ms. Allocated memory was 140.5MB in the beginning and 247.5MB in the end (delta: 107.0MB). Free memory was 103.7MB in the beginning and 141.5MB in the end (delta: -37.8MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. [2023-11-19 04:00:43,241 INFO L158 Benchmark]: Witness Printer took 114.91ms. Allocated memory is still 247.5MB. Free memory was 141.5MB in the beginning and 136.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:00:43,244 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: 16.7s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1127 SdHoareTripleChecker+Valid, 11.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 469 mSDsluCounter, 1215 SdHoareTripleChecker+Invalid, 9.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 198 mSDsCounter, 2008 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6179 IncrementalHoareTripleChecker+Invalid, 8187 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2008 mSolverCounterUnsat, 1017 mSDtfsCounter, 6179 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6248 GetRequests, 5832 SyntacticMatches, 200 SemanticMatches, 216 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26663 ImplicationChecksByTransitivity, 12.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 593 NumberOfCodeBlocks, 593 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 573 ConstructedInterpolants, 0 QuantifiedInterpolants, 1798 SizeOfPredicates, 26 NumberOfNonLiveVariables, 1683 ConjunctsInSsa, 183 ConjunctsInUnsatCore, 20 InterpolantComputations, 8 PerfectInterpolantSequences, 888/952 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: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory was 84.0MB in the beginning and 84.0MB in the end (delta: 27.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.44ms. Allocated memory is still 113.2MB. Free memory was 69.2MB in the beginning and 58.6MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.42ms. Allocated memory is still 113.2MB. Free memory was 58.3MB in the beginning and 56.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.89ms. Allocated memory is still 113.2MB. Free memory was 56.9MB in the beginning and 56.0MB in the end (delta: 945.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 347.47ms. Allocated memory was 113.2MB in the beginning and 140.5MB in the end (delta: 27.3MB). Free memory was 56.0MB in the beginning and 104.2MB in the end (delta: -48.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 16924.85ms. Allocated memory was 140.5MB in the beginning and 247.5MB in the end (delta: 107.0MB). Free memory was 103.7MB in the beginning and 141.5MB in the end (delta: -37.8MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. * Witness Printer took 114.91ms. Allocated memory is still 247.5MB. Free memory was 141.5MB in the beginning and 136.3MB 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! [2023-11-19 04:00:43,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182ac77b-0534-40e5-b9ae-1fe8752d8671/bin/ukojak-verify-G8NBE6pJGL/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