./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.zaher.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_17f06919-57fc-4acd-8730-577e144ebd41/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f06919-57fc-4acd-8730-577e144ebd41/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f06919-57fc-4acd-8730-577e144ebd41/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f06919-57fc-4acd-8730-577e144ebd41/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.zaher.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f06919-57fc-4acd-8730-577e144ebd41/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f06919-57fc-4acd-8730-577e144ebd41/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6fd8c0f78f1a02f0110655a19aab6ed326f45dcdd8f1755f6a67e81d29b9a49c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:48:24,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:48:24,414 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f06919-57fc-4acd-8730-577e144ebd41/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 02:48:24,422 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:48:24,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:48:24,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:48:24,468 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:48:24,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:48:24,470 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:48:24,476 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:48:24,477 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:48:24,478 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:48:24,478 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:48:24,480 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:48:24,481 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:48:24,481 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:48:24,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:48:24,482 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:48:24,483 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:48:24,483 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:48:24,484 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:48:24,484 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:48:24,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:48:24,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:24,486 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:48:24,487 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:48:24,487 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:48:24,488 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:48:24,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:48:24,489 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:48:24,490 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_17f06919-57fc-4acd-8730-577e144ebd41/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f06919-57fc-4acd-8730-577e144ebd41/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fd8c0f78f1a02f0110655a19aab6ed326f45dcdd8f1755f6a67e81d29b9a49c [2023-11-19 02:48:24,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:48:24,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:48:24,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:48:24,836 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:48:24,837 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:48:24,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f06919-57fc-4acd-8730-577e144ebd41/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.zaher.c [2023-11-19 02:48:28,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:48:28,401 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:48:28,402 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f06919-57fc-4acd-8730-577e144ebd41/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.zaher.c [2023-11-19 02:48:28,425 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f06919-57fc-4acd-8730-577e144ebd41/bin/ukojak-verify-G8NBE6pJGL/data/83f8748b3/f237712d772747e1bf30403e8b93b20d/FLAG702e98891 [2023-11-19 02:48:28,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f06919-57fc-4acd-8730-577e144ebd41/bin/ukojak-verify-G8NBE6pJGL/data/83f8748b3/f237712d772747e1bf30403e8b93b20d [2023-11-19 02:48:28,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:48:28,445 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:48:28,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:48:28,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:48:28,451 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:48:28,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:28,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4562a24d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28, skipping insertion in model container [2023-11-19 02:48:28,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:28,513 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:48:28,697 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_17f06919-57fc-4acd-8730-577e144ebd41/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.zaher.c[1245,1258] [2023-11-19 02:48:28,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:48:28,855 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:48:28,866 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_17f06919-57fc-4acd-8730-577e144ebd41/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.zaher.c[1245,1258] [2023-11-19 02:48:28,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:48:28,978 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:48:28,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28 WrapperNode [2023-11-19 02:48:28,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:48:28,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:48:28,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:48:28,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:48:29,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:29,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:29,164 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 860 [2023-11-19 02:48:29,165 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:48:29,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:48:29,166 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:48:29,166 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:48:29,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:29,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:29,206 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:29,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:29,254 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:29,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:29,302 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:29,323 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:29,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:48:29,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:48:29,348 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:48:29,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:48:29,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:48:28" (1/1) ... [2023-11-19 02:48:29,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:29,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f06919-57fc-4acd-8730-577e144ebd41/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:48:29,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f06919-57fc-4acd-8730-577e144ebd41/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:48:29,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f06919-57fc-4acd-8730-577e144ebd41/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:48:29,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:48:29,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:48:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:48:29,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:48:29,614 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:48:29,616 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:48:30,631 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:48:32,022 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:48:32,023 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:48:32,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:32 BoogieIcfgContainer [2023-11-19 02:48:32,028 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:48:32,030 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:48:32,030 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:48:32,042 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:48:32,043 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:32" (1/1) ... [2023-11-19 02:48:32,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:48:32,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:32,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 02:48:32,140 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 02:48:32,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:48:32,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:32,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:35,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:39,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:48:39,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:39,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-11-19 02:48:39,740 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-11-19 02:48:39,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:48:39,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:39,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:47,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:49,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:48:54,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:48:55,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:55,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2023-11-19 02:48:55,050 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2023-11-19 02:48:55,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:48:55,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:55,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:49:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:49:07,464 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:49:08,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:49:08,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2023-11-19 02:49:08,356 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2023-11-19 02:49:08,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:49:08,357 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-11-19 02:49:08,364 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 02:49:08,405 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2023-11-19 02:49:08,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:49:08 ImpRootNode [2023-11-19 02:49:08,413 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:49:08,413 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:49:08,414 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:49:08,414 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:49:08,414 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:32" (3/4) ... [2023-11-19 02:49:08,416 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:49:08,436 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 122 nodes and edges [2023-11-19 02:49:08,439 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-19 02:49:08,441 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-19 02:49:08,444 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:49:08,446 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:49:08,636 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f06919-57fc-4acd-8730-577e144ebd41/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:49:08,637 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f06919-57fc-4acd-8730-577e144ebd41/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:49:08,637 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:49:08,638 INFO L158 Benchmark]: Toolchain (without parser) took 40193.21ms. Allocated memory was 132.1MB in the beginning and 578.8MB in the end (delta: 446.7MB). Free memory was 67.1MB in the beginning and 470.0MB in the end (delta: -403.0MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2023-11-19 02:49:08,638 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 102.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:49:08,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 532.96ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 66.8MB in the beginning and 136.1MB in the end (delta: -69.3MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-11-19 02:49:08,639 INFO L158 Benchmark]: Boogie Procedure Inliner took 184.50ms. Allocated memory is still 182.5MB. Free memory was 136.1MB in the beginning and 120.6MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:49:08,639 INFO L158 Benchmark]: Boogie Preprocessor took 181.64ms. Allocated memory is still 182.5MB. Free memory was 120.6MB in the beginning and 114.2MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 02:49:08,640 INFO L158 Benchmark]: RCFGBuilder took 2680.41ms. Allocated memory was 182.5MB in the beginning and 228.6MB in the end (delta: 46.1MB). Free memory was 114.2MB in the beginning and 135.2MB in the end (delta: -21.0MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. [2023-11-19 02:49:08,640 INFO L158 Benchmark]: CodeCheck took 36383.17ms. Allocated memory was 228.6MB in the beginning and 578.8MB in the end (delta: 350.2MB). Free memory was 135.2MB in the beginning and 485.8MB in the end (delta: -350.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:49:08,641 INFO L158 Benchmark]: Witness Printer took 223.80ms. Allocated memory is still 578.8MB. Free memory was 485.8MB in the beginning and 470.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:49:08,643 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 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 27.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 27.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 3 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 142 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 9.0s SatisfiabilityAnalysisTime, 14.4s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 65 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 3/9 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: 21]: 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: 104]: Loop Invariant Derived loop invariant: ((((var_5 == 0) && (state_22 == 0)) && (var_13 == 1)) || ((var_5 == 0) && ((state_14 + 1) <= (((state_14 + 1) / 256) * 256)))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 102.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 532.96ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 66.8MB in the beginning and 136.1MB in the end (delta: -69.3MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 184.50ms. Allocated memory is still 182.5MB. Free memory was 136.1MB in the beginning and 120.6MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 181.64ms. Allocated memory is still 182.5MB. Free memory was 120.6MB in the beginning and 114.2MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2680.41ms. Allocated memory was 182.5MB in the beginning and 228.6MB in the end (delta: 46.1MB). Free memory was 114.2MB in the beginning and 135.2MB in the end (delta: -21.0MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. * CodeCheck took 36383.17ms. Allocated memory was 228.6MB in the beginning and 578.8MB in the end (delta: 350.2MB). Free memory was 135.2MB in the beginning and 485.8MB in the end (delta: -350.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 223.80ms. Allocated memory is still 578.8MB. Free memory was 485.8MB in the beginning and 470.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 02:49:08,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17f06919-57fc-4acd-8730-577e144ebd41/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE