./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f5320c-44ab-4f32-a293-3de1ee59ff90/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f5320c-44ab-4f32-a293-3de1ee59ff90/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f5320c-44ab-4f32-a293-3de1ee59ff90/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f5320c-44ab-4f32-a293-3de1ee59ff90/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f5320c-44ab-4f32-a293-3de1ee59ff90/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f5320c-44ab-4f32-a293-3de1ee59ff90/bin/ukojak-verify-afCqCEvfdi --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 464ff86972962e190fa8e3bdd89b592f22b90512739ab3fd4df7709eb39adee3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:46,441 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:46,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f5320c-44ab-4f32-a293-3de1ee59ff90/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:56:46,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:46,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:46,608 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:46,610 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:46,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:46,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:46,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:46,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:46,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:46,619 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:46,621 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:46,621 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:46,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:46,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:46,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:46,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:46,623 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:46,624 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:46,624 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:46,625 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:46,626 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:46,626 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:46,626 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:46,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:46,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:46,628 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:46,628 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:46,630 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:46,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:46,630 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:46,630 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_c4f5320c-44ab-4f32-a293-3de1ee59ff90/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f5320c-44ab-4f32-a293-3de1ee59ff90/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 464ff86972962e190fa8e3bdd89b592f22b90512739ab3fd4df7709eb39adee3 [2023-11-24 22:56:46,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:46,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:46,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:46,965 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:46,965 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:46,967 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f5320c-44ab-4f32-a293-3de1ee59ff90/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c [2023-11-24 22:56:50,064 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:50,271 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:50,272 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f5320c-44ab-4f32-a293-3de1ee59ff90/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c [2023-11-24 22:56:50,281 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f5320c-44ab-4f32-a293-3de1ee59ff90/bin/ukojak-verify-afCqCEvfdi/data/ab2293cc1/2e0f8717d26147fc82bef1fa387fc67c/FLAG980de1533 [2023-11-24 22:56:50,296 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f5320c-44ab-4f32-a293-3de1ee59ff90/bin/ukojak-verify-afCqCEvfdi/data/ab2293cc1/2e0f8717d26147fc82bef1fa387fc67c [2023-11-24 22:56:50,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:50,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:50,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:50,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:50,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:50,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:50" (1/1) ... [2023-11-24 22:56:50,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@375446b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:50, skipping insertion in model container [2023-11-24 22:56:50,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:50" (1/1) ... [2023-11-24 22:56:50,331 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:50,474 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_c4f5320c-44ab-4f32-a293-3de1ee59ff90/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c[454,467] [2023-11-24 22:56:50,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:50,499 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:50,510 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_c4f5320c-44ab-4f32-a293-3de1ee59ff90/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c[454,467] [2023-11-24 22:56:50,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:50,530 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:50,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:50 WrapperNode [2023-11-24 22:56:50,530 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:50,531 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:50,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:50,532 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:50,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:50" (1/1) ... [2023-11-24 22:56:50,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:50" (1/1) ... [2023-11-24 22:56:50,564 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2023-11-24 22:56:50,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:50,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:50,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:50,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:50,575 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:50" (1/1) ... [2023-11-24 22:56:50,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:50" (1/1) ... [2023-11-24 22:56:50,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:50" (1/1) ... [2023-11-24 22:56:50,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:50" (1/1) ... [2023-11-24 22:56:50,579 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:50" (1/1) ... [2023-11-24 22:56:50,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:50" (1/1) ... [2023-11-24 22:56:50,584 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:50" (1/1) ... [2023-11-24 22:56:50,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:50" (1/1) ... [2023-11-24 22:56:50,587 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:50,588 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:50,588 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:50,588 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:50,589 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:50" (1/1) ... [2023-11-24 22:56:50,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:50,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f5320c-44ab-4f32-a293-3de1ee59ff90/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:50,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f5320c-44ab-4f32-a293-3de1ee59ff90/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:50,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f5320c-44ab-4f32-a293-3de1ee59ff90/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:50,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:50,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:56:50,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:50,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:50,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:56:50,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:56:50,731 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:50,733 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:50,884 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:50,941 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:50,941 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:56:50,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:50 BoogieIcfgContainer [2023-11-24 22:56:50,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:50,944 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:50,944 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:50,958 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:50,959 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:50" (1/1) ... [2023-11-24 22:56:50,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:51,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:51,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2023-11-24 22:56:51,050 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-11-24 22:56:51,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:56:51,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:51,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:51,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:56:51,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:51,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:51,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:51,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2023-11-24 22:56:51,432 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-11-24 22:56:51,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:56:51,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:51,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:51,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:56:51,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:51,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:51,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:51,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2023-11-24 22:56:51,853 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-11-24 22:56:51,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:56:51,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:51,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:51,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:56:51,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:51,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:52,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:52,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2023-11-24 22:56:52,180 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2023-11-24 22:56:52,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:56:52,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:52,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:52,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:56:52,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:52,386 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:56:52,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:52,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2023-11-24 22:56:52,652 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2023-11-24 22:56:52,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:56:52,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:52,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:52,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:56:52,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:52,859 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:53,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:53,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-11-24 22:56:53,166 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-11-24 22:56:53,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:56:53,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:53,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:53,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:56:53,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:53,347 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:56:53,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:53,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2023-11-24 22:56:53,685 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2023-11-24 22:56:53,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:56:53,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:53,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:53,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:56:53,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:53,907 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 18 proven. 44 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:56:54,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:54,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2023-11-24 22:56:54,303 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2023-11-24 22:56:54,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:56:54,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:54,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:54,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 22:56:54,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:54,523 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 23 proven. 61 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 22:56:54,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:54,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2023-11-24 22:56:54,978 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2023-11-24 22:56:54,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:56:54,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:54,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:55,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-24 22:56:55,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:55,221 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 28 proven. 81 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-24 22:56:55,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:55,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2023-11-24 22:56:55,724 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2023-11-24 22:56:55,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:56:55,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:55,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:55,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-24 22:56:55,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:55,975 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 33 proven. 104 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 22:56:56,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:56,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 68 transitions. [2023-11-24 22:56:56,538 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2023-11-24 22:56:56,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 22:56:56,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:56,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:56,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-24 22:56:56,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:56,799 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 38 proven. 130 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-24 22:56:57,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:57,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2023-11-24 22:56:57,418 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2023-11-24 22:56:57,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 22:56:57,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:57,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:57,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-24 22:56:57,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:57,757 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 43 proven. 159 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-24 22:56:58,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:58,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2023-11-24 22:56:58,478 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2023-11-24 22:56:58,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-24 22:56:58,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:58,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:58,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:56:58,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:59,329 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-24 22:57:03,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:03,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 41 states and 61 transitions. [2023-11-24 22:57:03,260 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2023-11-24 22:57:03,261 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:57:03,261 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2023-11-24 22:57:03,270 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 22:57:03,564 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:57:03,568 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:57:03,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:57:03 ImpRootNode [2023-11-24 22:57:03,569 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:57:03,570 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:57:03,570 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:57:03,570 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:57:03,571 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:50" (3/4) ... [2023-11-24 22:57:03,573 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:57:03,577 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-24 22:57:03,581 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-24 22:57:03,581 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-24 22:57:03,582 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 22:57:03,582 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:57:03,671 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f5320c-44ab-4f32-a293-3de1ee59ff90/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:57:03,672 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f5320c-44ab-4f32-a293-3de1ee59ff90/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:57:03,672 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:57:03,673 INFO L158 Benchmark]: Toolchain (without parser) took 13372.47ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 98.9MB in the beginning and 106.0MB in the end (delta: -7.1MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2023-11-24 22:57:03,673 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 146.8MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:57:03,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.85ms. Allocated memory is still 146.8MB. Free memory was 98.9MB in the beginning and 88.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:57:03,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.35ms. Allocated memory is still 146.8MB. Free memory was 88.3MB in the beginning and 86.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:03,675 INFO L158 Benchmark]: Boogie Preprocessor took 21.90ms. Allocated memory is still 146.8MB. Free memory was 86.7MB in the beginning and 85.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:57:03,675 INFO L158 Benchmark]: RCFGBuilder took 355.46ms. Allocated memory is still 146.8MB. Free memory was 85.6MB in the beginning and 74.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:57:03,676 INFO L158 Benchmark]: CodeCheck took 12625.14ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 74.1MB in the beginning and 110.2MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:57:03,676 INFO L158 Benchmark]: Witness Printer took 102.32ms. Allocated memory is still 182.5MB. Free memory was 110.2MB in the beginning and 106.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:57:03,679 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, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.3s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 407 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 250 mSDsluCounter, 647 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 508 mSDsCounter, 754 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1517 IncrementalHoareTripleChecker+Invalid, 2271 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 754 mSolverCounterUnsat, 139 mSDtfsCounter, 1517 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3626 GetRequests, 3325 SyntacticMatches, 155 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8012 ImplicationChecksByTransitivity, 8.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 546 NumberOfCodeBlocks, 546 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 533 ConstructedInterpolants, 0 QuantifiedInterpolants, 2096 SizeOfPredicates, 22 NumberOfNonLiveVariables, 1652 ConjunctsInSsa, 399 ConjunctsInUnsatCore, 13 InterpolantComputations, 2 PerfectInterpolantSequences, 1164/1806 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: 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 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 146.8MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.85ms. Allocated memory is still 146.8MB. Free memory was 98.9MB in the beginning and 88.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.35ms. Allocated memory is still 146.8MB. Free memory was 88.3MB in the beginning and 86.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.90ms. Allocated memory is still 146.8MB. Free memory was 86.7MB in the beginning and 85.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 355.46ms. Allocated memory is still 146.8MB. Free memory was 85.6MB in the beginning and 74.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 12625.14ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 74.1MB in the beginning and 110.2MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 102.32ms. Allocated memory is still 182.5MB. Free memory was 110.2MB in the beginning and 106.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:57:03,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4f5320c-44ab-4f32-a293-3de1ee59ff90/bin/ukojak-verify-afCqCEvfdi/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