./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb28c2a1-83e2-4efd-9064-137524577c7f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb28c2a1-83e2-4efd-9064-137524577c7f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb28c2a1-83e2-4efd-9064-137524577c7f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb28c2a1-83e2-4efd-9064-137524577c7f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb28c2a1-83e2-4efd-9064-137524577c7f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb28c2a1-83e2-4efd-9064-137524577c7f/bin/ukojak-verify-CZk0znPC7b --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 ccc90f911eb65e070ad46258a83153891dc4d8a5addf20ee75047318144d790b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:01:46,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:01:46,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb28c2a1-83e2-4efd-9064-137524577c7f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:01:46,391 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:01:46,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:01:46,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:01:46,410 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:01:46,410 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:01:46,410 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:01:46,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:01:46,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:01:46,411 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:01:46,411 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:01:46,411 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:01:46,411 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:01:46,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:01:46,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:01:46,411 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:01:46,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:01:46,411 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:01:46,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:01:46,411 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:01:46,412 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:01:46,412 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:01:46,412 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:01:46,412 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:01:46,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:01:46,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:01:46,412 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:01:46,412 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:01:46,412 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:01:46,412 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:01:46,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:01:46,412 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_fb28c2a1-83e2-4efd-9064-137524577c7f/bin/ukojak-verify-CZk0znPC7b 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 -> ccc90f911eb65e070ad46258a83153891dc4d8a5addf20ee75047318144d790b [2024-12-05 23:01:46,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:01:46,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:01:46,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:01:46,619 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:01:46,620 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:01:46,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb28c2a1-83e2-4efd-9064-137524577c7f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c [2024-12-05 23:01:49,214 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb28c2a1-83e2-4efd-9064-137524577c7f/bin/ukojak-verify-CZk0znPC7b/data/46cbebecb/ae71f7154509451cb68c133270aa728d/FLAGc7a845b41 [2024-12-05 23:01:49,414 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:01:49,415 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb28c2a1-83e2-4efd-9064-137524577c7f/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c [2024-12-05 23:01:49,422 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb28c2a1-83e2-4efd-9064-137524577c7f/bin/ukojak-verify-CZk0znPC7b/data/46cbebecb/ae71f7154509451cb68c133270aa728d/FLAGc7a845b41 [2024-12-05 23:01:49,805 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb28c2a1-83e2-4efd-9064-137524577c7f/bin/ukojak-verify-CZk0znPC7b/data/46cbebecb/ae71f7154509451cb68c133270aa728d [2024-12-05 23:01:49,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:01:49,808 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:01:49,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:01:49,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:01:49,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:01:49,813 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:01:49" (1/1) ... [2024-12-05 23:01:49,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36babebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:49, skipping insertion in model container [2024-12-05 23:01:49,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:01:49" (1/1) ... [2024-12-05 23:01:49,823 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:01:49,924 WARN L250 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_fb28c2a1-83e2-4efd-9064-137524577c7f/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c[454,467] [2024-12-05 23:01:49,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:01:49,942 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:01:49,950 WARN L250 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_fb28c2a1-83e2-4efd-9064-137524577c7f/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c[454,467] [2024-12-05 23:01:49,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:01:49,963 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:01:49,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:49 WrapperNode [2024-12-05 23:01:49,964 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:01:49,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:01:49,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:01:49,965 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:01:49,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:49" (1/1) ... [2024-12-05 23:01:49,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:49" (1/1) ... [2024-12-05 23:01:49,985 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-12-05 23:01:49,985 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:01:49,986 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:01:49,986 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:01:49,986 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:01:49,990 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:49" (1/1) ... [2024-12-05 23:01:49,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:49" (1/1) ... [2024-12-05 23:01:49,991 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:49" (1/1) ... [2024-12-05 23:01:49,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:49" (1/1) ... [2024-12-05 23:01:49,994 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:49" (1/1) ... [2024-12-05 23:01:49,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:49" (1/1) ... [2024-12-05 23:01:49,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:49" (1/1) ... [2024-12-05 23:01:49,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:49" (1/1) ... [2024-12-05 23:01:50,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:49" (1/1) ... [2024-12-05 23:01:50,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:01:50,002 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:01:50,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:01:50,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:01:50,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:01:49" (1/1) ... [2024-12-05 23:01:50,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:01:50,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb28c2a1-83e2-4efd-9064-137524577c7f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:01:50,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb28c2a1-83e2-4efd-9064-137524577c7f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:01:50,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb28c2a1-83e2-4efd-9064-137524577c7f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:01:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:01:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:01:50,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:01:50,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:01:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:01:50,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:01:50,092 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:01:50,094 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:01:50,185 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-05 23:01:50,185 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:01:50,218 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:01:50,219 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 23:01:50,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:01:50 BoogieIcfgContainer [2024-12-05 23:01:50,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:01:50,220 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:01:50,220 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:01:50,227 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:01:50,227 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:01:50" (1/1) ... [2024-12-05 23:01:50,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:01:50,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:50,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-12-05 23:01:50,272 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-12-05 23:01:50,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:01:50,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:50,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:01:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:01:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:50,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:01:50,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:50,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:01:50,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:50,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-05 23:01:50,535 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-05 23:01:50,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:01:50,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:50,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:01:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:50,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:01:51,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:51,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-05 23:01:51,064 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-05 23:01:51,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:01:51,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:51,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:01:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:01:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:51,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:01:51,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:51,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:01:51,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:51,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-12-05 23:01:51,409 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-12-05 23:01:51,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:01:51,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:51,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:01:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:01:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:51,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:01:51,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:51,512 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:01:51,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:51,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 23:01:51,692 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 23:01:51,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:01:51,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:51,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:01:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:01:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:51,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 23:01:51,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:51,827 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:01:52,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:52,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2024-12-05 23:01:52,052 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2024-12-05 23:01:52,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 23:01:52,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:52,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:01:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:01:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:52,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 23:01:52,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:52,192 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 23:01:52,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:52,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2024-12-05 23:01:52,470 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2024-12-05 23:01:52,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-05 23:01:52,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:52,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:01:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:01:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:52,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 23:01:52,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:52,616 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 10 proven. 25 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-05 23:01:52,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:52,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2024-12-05 23:01:52,930 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2024-12-05 23:01:52,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-05 23:01:52,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:52,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:01:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:01:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:52,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-05 23:01:52,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:53,113 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 12 proven. 36 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-05 23:01:53,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:53,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2024-12-05 23:01:53,470 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2024-12-05 23:01:53,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 23:01:53,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:53,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:01:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:01:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:53,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-05 23:01:53,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:53,650 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 14 proven. 49 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-05 23:01:54,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:54,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2024-12-05 23:01:54,004 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2024-12-05 23:01:54,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-05 23:01:54,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:54,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:01:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:01:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:54,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-05 23:01:54,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:54,173 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 16 proven. 64 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-05 23:01:54,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:54,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2024-12-05 23:01:54,562 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2024-12-05 23:01:54,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-12-05 23:01:54,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:54,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:01:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:01:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:54,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-05 23:01:54,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:54,756 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 18 proven. 81 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-05 23:01:55,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:55,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2024-12-05 23:01:55,193 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2024-12-05 23:01:55,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-05 23:01:55,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:55,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:01:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:01:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:55,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-05 23:01:55,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:55,383 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 20 proven. 100 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-05 23:01:55,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:55,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2024-12-05 23:01:55,802 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2024-12-05 23:01:55,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-05 23:01:55,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:55,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:01:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:01:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:55,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-05 23:01:55,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:55,994 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 22 proven. 121 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-05 23:01:56,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:56,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2024-12-05 23:01:56,499 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2024-12-05 23:01:56,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-05 23:01:56,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:56,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:01:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:01:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:56,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-12-05 23:01:56,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:56,701 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 24 proven. 144 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-05 23:01:57,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:57,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2024-12-05 23:01:57,253 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2024-12-05 23:01:57,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-05 23:01:57,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:57,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:01:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:01:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:57,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-12-05 23:01:57,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:57,504 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 26 proven. 169 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-05 23:01:58,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:58,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2024-12-05 23:01:58,082 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2024-12-05 23:01:58,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-05 23:01:58,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:58,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:01:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:01:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:58,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-12-05 23:01:58,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:58,285 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 28 proven. 196 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-05 23:01:58,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:58,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2024-12-05 23:01:58,927 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2024-12-05 23:01:58,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-05 23:01:58,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:58,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:01:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:01:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:59,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-12-05 23:01:59,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:59,159 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 30 proven. 225 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-05 23:01:59,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:59,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2024-12-05 23:01:59,831 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2024-12-05 23:01:59,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-05 23:01:59,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:59,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:01:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:01:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:59,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-12-05 23:01:59,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:00,103 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 32 proven. 256 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-05 23:02:00,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:00,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2024-12-05 23:02:00,817 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2024-12-05 23:02:00,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-05 23:02:00,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:00,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:02:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:02:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:00,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-12-05 23:02:00,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:01,104 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 34 proven. 289 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-05 23:02:01,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:01,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 49 states and 86 transitions. [2024-12-05 23:02:01,901 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2024-12-05 23:02:01,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-05 23:02:01,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:01,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:02:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:02:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:02,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-12-05 23:02:02,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:02,209 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 36 proven. 324 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-05 23:02:03,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:03,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 51 states and 90 transitions. [2024-12-05 23:02:03,098 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2024-12-05 23:02:03,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-05 23:02:03,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:03,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:02:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:02:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:03,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-12-05 23:02:03,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:03,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 38 proven. 361 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-05 23:02:04,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:04,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2024-12-05 23:02:04,272 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2024-12-05 23:02:04,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-05 23:02:04,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:04,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:02:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:02:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:04,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-12-05 23:02:04,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:04,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 40 proven. 400 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-05 23:02:05,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:05,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 55 states and 98 transitions. [2024-12-05 23:02:05,488 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 98 transitions. [2024-12-05 23:02:05,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-05 23:02:05,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:05,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:02:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:07,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 443 proven. 40 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-05 23:02:15,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:15,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 50 states and 90 transitions. [2024-12-05 23:02:15,430 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 90 transitions. [2024-12-05 23:02:15,430 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 23:02:15,430 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2024-12-05 23:02:15,437 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 23:02:16,063 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 23:02:16,063 INFO L77 FloydHoareUtils]: At program point L27-2(lines 27 36) the Hoare annotation is: true [2024-12-05 23:02:16,064 INFO L77 FloydHoareUtils]: At program point L27-3(lines 27 36) the Hoare annotation is: (= (* 2 |ULTIMATE.start_main_~x~0#1|) (+ |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) [2024-12-05 23:02:16,064 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 23:02:16,064 INFO L77 FloydHoareUtils]: At program point L28(lines 27 36) the Hoare annotation is: (= (* 2 |ULTIMATE.start_main_~x~0#1|) (+ |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) [2024-12-05 23:02:16,064 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-12-05 23:02:16,064 INFO L77 FloydHoareUtils]: At program point L11(lines 11 12) the Hoare annotation is: true [2024-12-05 23:02:16,064 INFO L77 FloydHoareUtils]: At program point L10(lines 10 13) the Hoare annotation is: (or (= __VERIFIER_assert_~cond 0) (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 1))) [2024-12-05 23:02:16,064 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-05 23:02:16,064 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (not (= |__VERIFIER_assert_#in~cond| 1)))) [2024-12-05 23:02:16,064 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-05 23:02:16,064 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2024-12-05 23:02:16,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:02:16 ImpRootNode [2024-12-05 23:02:16,076 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:02:16,077 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:02:16,077 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:02:16,077 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:02:16,077 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:01:50" (3/4) ... [2024-12-05 23:02:16,079 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 23:02:16,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-05 23:02:16,084 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-05 23:02:16,085 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-05 23:02:16,085 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 23:02:16,085 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 23:02:16,137 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb28c2a1-83e2-4efd-9064-137524577c7f/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:02:16,138 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb28c2a1-83e2-4efd-9064-137524577c7f/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:02:16,138 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:02:16,138 INFO L158 Benchmark]: Toolchain (without parser) took 26330.25ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 93.9MB in the beginning and 160.3MB in the end (delta: -66.4MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2024-12-05 23:02:16,139 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:02:16,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 155.19ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 82.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:02:16,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.42ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:02:16,139 INFO L158 Benchmark]: Boogie Preprocessor took 15.28ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.9MB in the end (delta: 625.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:02:16,140 INFO L158 Benchmark]: RCFGBuilder took 217.69ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 69.4MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:02:16,140 INFO L158 Benchmark]: CodeCheck took 25856.26ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 69.4MB in the beginning and 162.8MB in the end (delta: -93.3MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2024-12-05 23:02:16,140 INFO L158 Benchmark]: Witness Printer took 61.10ms. Allocated memory is still 243.3MB. Free memory was 162.8MB in the beginning and 160.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:02:16,142 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, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.2s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 397 SdHoareTripleChecker+Valid, 9.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 132 mSDsluCounter, 751 SdHoareTripleChecker+Invalid, 8.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 548 mSDsCounter, 2437 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4506 IncrementalHoareTripleChecker+Invalid, 6943 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2437 mSolverCounterUnsat, 203 mSDtfsCounter, 4506 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8543 GetRequests, 7827 SyntacticMatches, 440 SemanticMatches, 276 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31175 ImplicationChecksByTransitivity, 19.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 1507 NumberOfCodeBlocks, 1507 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1484 ConstructedInterpolants, 0 QuantifiedInterpolants, 4412 SizeOfPredicates, 21 NumberOfNonLiveVariables, 4179 ConjunctsInSsa, 990 ConjunctsInUnsatCore, 23 InterpolantComputations, 1 PerfectInterpolantSequences, 7024/9935 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 12]: 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 - ProcedureContractResult [Line: 9]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((cond == 0) || (cond == 1)) Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 155.19ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 82.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.42ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.28ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.9MB in the end (delta: 625.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 217.69ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 69.4MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 25856.26ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 69.4MB in the beginning and 162.8MB in the end (delta: -93.3MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Witness Printer took 61.10ms. Allocated memory is still 243.3MB. Free memory was 162.8MB in the beginning and 160.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 23:02:16,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb28c2a1-83e2-4efd-9064-137524577c7f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE