./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/parity.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/parity.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk --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 d7c1c6c2f4d5b2d24ba57b817b67aabcbf492bd9ab5f9a13bcbf3c0241dcb4b3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:23:28,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:23:28,220 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:23:28,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:23:28,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:23:28,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:23:28,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:23:28,266 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:23:28,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:23:28,269 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:23:28,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:23:28,271 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:23:28,272 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:23:28,272 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:23:28,273 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:23:28,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:23:28,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:23:28,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:23:28,274 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:23:28,279 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:23:28,279 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:23:28,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:23:28,281 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:23:28,281 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:23:28,282 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:23:28,282 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:23:28,282 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:23:28,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:23:28,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:23:28,285 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:23:28,286 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:23:28,287 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:23:28,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:23:28,287 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_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7c1c6c2f4d5b2d24ba57b817b67aabcbf492bd9ab5f9a13bcbf3c0241dcb4b3 [2024-11-09 00:23:28,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:23:28,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:23:28,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:23:28,681 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:23:28,683 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:23:28,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/bitvector/parity.i Unable to find full path for "g++" [2024-11-09 00:23:31,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:23:31,549 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:23:31,549 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/sv-benchmarks/c/bitvector/parity.i [2024-11-09 00:23:31,561 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/data/9fa069114/bb2cabe44931417faee1ed89fa2079f6/FLAG9a436f7e0 [2024-11-09 00:23:31,911 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/data/9fa069114/bb2cabe44931417faee1ed89fa2079f6 [2024-11-09 00:23:31,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:23:31,916 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:23:31,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:23:31,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:23:31,926 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:23:31,927 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:23:31" (1/1) ... [2024-11-09 00:23:31,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e2d05a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:31, skipping insertion in model container [2024-11-09 00:23:31,929 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:23:31" (1/1) ... [2024-11-09 00:23:31,970 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:23:32,219 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_6533ca31-03c2-4770-bc78-05add30d4e97/sv-benchmarks/c/bitvector/parity.i[1162,1175] [2024-11-09 00:23:32,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:23:32,257 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:23:32,274 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_6533ca31-03c2-4770-bc78-05add30d4e97/sv-benchmarks/c/bitvector/parity.i[1162,1175] [2024-11-09 00:23:32,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:23:32,310 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:23:32,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:32 WrapperNode [2024-11-09 00:23:32,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:23:32,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:23:32,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:23:32,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:23:32,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:32" (1/1) ... [2024-11-09 00:23:32,331 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:32" (1/1) ... [2024-11-09 00:23:32,354 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2024-11-09 00:23:32,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:23:32,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:23:32,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:23:32,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:23:32,366 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:32" (1/1) ... [2024-11-09 00:23:32,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:32" (1/1) ... [2024-11-09 00:23:32,368 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:32" (1/1) ... [2024-11-09 00:23:32,368 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:32" (1/1) ... [2024-11-09 00:23:32,372 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:32" (1/1) ... [2024-11-09 00:23:32,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:32" (1/1) ... [2024-11-09 00:23:32,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:32" (1/1) ... [2024-11-09 00:23:32,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:32" (1/1) ... [2024-11-09 00:23:32,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:23:32,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:23:32,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:23:32,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:23:32,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:32" (1/1) ... [2024-11-09 00:23:32,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:23:32,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:23:32,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:23:32,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:23:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:23:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:23:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:23:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:23:32,582 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:23:32,584 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:23:33,033 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-09 00:23:33,036 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:23:33,240 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:23:33,240 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:23:33,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:23:33 BoogieIcfgContainer [2024-11-09 00:23:33,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:23:33,242 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:23:33,243 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:23:33,255 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:23:33,256 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:23:33" (1/1) ... [2024-11-09 00:23:33,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:23:33,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:33,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-09 00:23:33,332 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-09 00:23:33,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:23:33,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:33,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:23:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:34,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:23:34,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:34,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2024-11-09 00:23:34,834 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2024-11-09 00:23:34,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:23:34,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:34,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:23:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:34,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:23:34,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:34,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-09 00:23:34,978 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-09 00:23:34,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:23:34,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:34,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:23:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:23:35,041 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:23:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:23:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:23:35,211 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:23:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:23:35,273 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-09 00:23:35,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:23:35 ImpRootNode [2024-11-09 00:23:35,316 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:23:35,317 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:23:35,317 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:23:35,318 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:23:35,318 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:23:33" (3/4) ... [2024-11-09 00:23:35,322 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:23:35,323 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:23:35,324 INFO L158 Benchmark]: Toolchain (without parser) took 3407.95ms. Allocated memory is still 157.3MB. Free memory was 119.6MB in the beginning and 80.4MB in the end (delta: 39.2MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2024-11-09 00:23:35,325 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:23:35,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.91ms. Allocated memory is still 157.3MB. Free memory was 119.1MB in the beginning and 106.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:23:35,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.35ms. Allocated memory is still 157.3MB. Free memory was 106.1MB in the beginning and 104.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:23:35,327 INFO L158 Benchmark]: Boogie Preprocessor took 26.74ms. Allocated memory is still 157.3MB. Free memory was 104.4MB in the beginning and 103.4MB in the end (delta: 981.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:23:35,328 INFO L158 Benchmark]: RCFGBuilder took 858.45ms. Allocated memory is still 157.3MB. Free memory was 103.4MB in the beginning and 74.6MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-09 00:23:35,330 INFO L158 Benchmark]: CodeCheck took 2074.03ms. Allocated memory is still 157.3MB. Free memory was 74.6MB in the beginning and 80.4MB in the end (delta: -5.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:23:35,330 INFO L158 Benchmark]: Witness Printer took 6.44ms. Allocated memory is still 157.3MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:23:35,336 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 2 mSDtfsCounter, 40 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 31 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 25]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 59, overapproximation of bitwiseAnd at line 61. Possible FailurePath: [L42] unsigned int v = __VERIFIER_nondet_uint(); [L43] unsigned int v1; [L44] unsigned int v2; [L45] char parity1; [L46] char parity2; [L47] v1 = v [L48] parity1 = (char)0 VAL [parity1=0, v1=1, v=1] [L49] COND FALSE !(v1 != 0) VAL [parity1=0, v1=1, v=1] [L49] COND TRUE v1 != 0 [L50] COND TRUE parity1 == (char)0 [L51] parity1 = (char)1 [L55] EXPR v1 & (v1 - 1U) [L55] v1 = v1 & (v1 - 1U) [L49] COND TRUE v1 != 0 VAL [parity1=1, v=1] [L57] v2 = v [L58] parity2 = (char)0 [L59] EXPR v2 ^ (v2 >> 1u) [L59] v2 = v2 ^ (v2 >> 1u) [L60] EXPR v2 ^ (v2 >> 2u) [L60] v2 = v2 ^ (v2 >> 2u) [L61] EXPR v2 & 286331153U [L61] v2 = (v2 & 286331153U) * 286331153U [L62] COND TRUE ((v2 >> 28u) & 1u) == 0 [L63] parity2 = (char)0 [L67] CALL __VERIFIER_assert(parity1 == parity2) [L24] COND TRUE !(cond) [L25] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.91ms. Allocated memory is still 157.3MB. Free memory was 119.1MB in the beginning and 106.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.35ms. Allocated memory is still 157.3MB. Free memory was 106.1MB in the beginning and 104.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.74ms. Allocated memory is still 157.3MB. Free memory was 104.4MB in the beginning and 103.4MB in the end (delta: 981.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 858.45ms. Allocated memory is still 157.3MB. Free memory was 103.4MB in the beginning and 74.6MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 2074.03ms. Allocated memory is still 157.3MB. Free memory was 74.6MB in the beginning and 80.4MB in the end (delta: -5.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.44ms. Allocated memory is still 157.3MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:23:35,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/parity.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk --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 d7c1c6c2f4d5b2d24ba57b817b67aabcbf492bd9ab5f9a13bcbf3c0241dcb4b3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:23:38,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:23:38,415 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:23:38,478 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:23:38,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:23:38,482 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:23:38,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:23:38,484 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:23:38,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:23:38,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:23:38,486 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:23:38,487 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:23:38,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:23:38,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:23:38,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:23:38,493 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:23:38,493 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:23:38,494 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:23:38,494 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:23:38,495 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:23:38,499 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:23:38,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:23:38,500 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:23:38,500 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:23:38,500 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:23:38,501 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:23:38,501 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:38,502 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:23:38,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:23:38,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:23:38,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:23:38,506 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:23:38,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:23:38,507 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:23:38,507 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:38,509 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:23:38,509 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_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7c1c6c2f4d5b2d24ba57b817b67aabcbf492bd9ab5f9a13bcbf3c0241dcb4b3 [2024-11-09 00:23:39,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:23:39,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:23:39,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:23:39,087 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:23:39,089 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:23:39,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/bitvector/parity.i Unable to find full path for "g++" [2024-11-09 00:23:41,723 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:23:42,056 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:23:42,057 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/sv-benchmarks/c/bitvector/parity.i [2024-11-09 00:23:42,074 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/data/d2980fc4f/477456b2e09c4811b8e8c8861a6fdfa7/FLAG22aed890d [2024-11-09 00:23:42,337 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/data/d2980fc4f/477456b2e09c4811b8e8c8861a6fdfa7 [2024-11-09 00:23:42,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:23:42,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:23:42,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:23:42,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:23:42,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:23:42,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:23:42" (1/1) ... [2024-11-09 00:23:42,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f57f111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:42, skipping insertion in model container [2024-11-09 00:23:42,358 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:23:42" (1/1) ... [2024-11-09 00:23:42,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:23:42,698 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_6533ca31-03c2-4770-bc78-05add30d4e97/sv-benchmarks/c/bitvector/parity.i[1162,1175] [2024-11-09 00:23:42,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:23:42,767 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:23:42,789 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_6533ca31-03c2-4770-bc78-05add30d4e97/sv-benchmarks/c/bitvector/parity.i[1162,1175] [2024-11-09 00:23:42,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:23:42,834 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:23:42,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:42 WrapperNode [2024-11-09 00:23:42,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:23:42,837 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:23:42,837 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:23:42,837 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:23:42,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:42" (1/1) ... [2024-11-09 00:23:42,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:42" (1/1) ... [2024-11-09 00:23:42,930 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-11-09 00:23:42,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:23:42,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:23:42,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:23:42,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:23:42,960 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:42" (1/1) ... [2024-11-09 00:23:42,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:42" (1/1) ... [2024-11-09 00:23:42,968 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:42" (1/1) ... [2024-11-09 00:23:42,969 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:42" (1/1) ... [2024-11-09 00:23:42,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:42" (1/1) ... [2024-11-09 00:23:42,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:42" (1/1) ... [2024-11-09 00:23:42,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:42" (1/1) ... [2024-11-09 00:23:42,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:42" (1/1) ... [2024-11-09 00:23:42,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:23:42,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:23:42,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:23:42,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:23:42,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:23:42" (1/1) ... [2024-11-09 00:23:43,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:23:43,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:23:43,035 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:23:43,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:23:43,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:23:43,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:23:43,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:23:43,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:23:43,176 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:23:43,179 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:23:43,387 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-09 00:23:43,387 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:23:43,508 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:23:43,512 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:23:43,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:23:43 BoogieIcfgContainer [2024-11-09 00:23:43,513 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:23:43,513 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:23:43,516 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:23:43,526 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:23:43,526 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:23:43" (1/1) ... [2024-11-09 00:23:43,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:23:43,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:43,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-09 00:23:43,624 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-09 00:23:43,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:23:43,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:43,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:43,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:43,631 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:43,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:23:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:43,773 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:43,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:23:43,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:44,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:23:44,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:44,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:44,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2024-11-09 00:23:44,191 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2024-11-09 00:23:44,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:23:44,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:44,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:44,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:44,198 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:44,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:23:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:44,277 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:44,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:23:44,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:44,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:23:44,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:23:44,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:44,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-09 00:23:44,451 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-09 00:23:44,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:23:44,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:44,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:44,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:44,458 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:44,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:23:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:44,543 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:44,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:23:44,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:45,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:23:45,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:45,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:45,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-09 00:23:45,805 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-09 00:23:45,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:23:45,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:45,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:45,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:45,811 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:45,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:23:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:45,920 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:45,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:23:45,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:46,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:23:46,637 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:23:46,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-09 00:23:47,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:47,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-09 00:23:47,854 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-09 00:23:47,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:23:47,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:47,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:47,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:47,859 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:47,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:23:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:47,978 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:48,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 00:23:48,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:49,027 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:23:49,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:50,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:50,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2024-11-09 00:23:50,801 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2024-11-09 00:23:50,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:23:50,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:50,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:50,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:50,806 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:50,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:23:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:50,933 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:51,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 00:23:51,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:52,652 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:23:52,654 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:23:52,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 00:23:55,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:55,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2024-11-09 00:23:55,420 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2024-11-09 00:23:55,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:23:55,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:55,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:55,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:55,422 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:55,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:23:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:55,540 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:55,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 00:23:55,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:58,020 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:23:58,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-09 00:24:01,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:01,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-09 00:24:01,467 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-09 00:24:01,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:24:01,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:01,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:01,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:01,470 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:01,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 00:24:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:01,594 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:01,783 WARN L253 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 00:24:01,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:04,548 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:24:04,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-09 00:24:09,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:09,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-09 00:24:09,045 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-09 00:24:09,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:24:09,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:09,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:09,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:09,050 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:09,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 00:24:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:09,258 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:09,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 00:24:09,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:14,594 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:24:14,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:21,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:21,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-11-09 00:24:21,567 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-11-09 00:24:21,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:24:21,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:21,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:21,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:21,570 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:21,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 00:24:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:21,741 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:22,028 WARN L253 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 00:24:22,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:27,810 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:24:27,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-09 00:24:37,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:37,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2024-11-09 00:24:37,805 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2024-11-09 00:24:37,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:24:37,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:37,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:37,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:37,808 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:37,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 00:24:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:38,014 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:38,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 00:24:38,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:48,626 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:24:48,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:02,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:02,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2024-11-09 00:25:02,886 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2024-11-09 00:25:02,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:25:02,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:02,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:02,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:02,891 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:02,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 00:25:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:03,170 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:03,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 00:25:03,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:16,807 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:25:16,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:34,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:34,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2024-11-09 00:25:34,706 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2024-11-09 00:25:34,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:25:34,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:34,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:34,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:34,710 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:34,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 00:25:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:35,008 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:35,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 00:25:35,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:51,792 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:25:51,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:17,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:26:17,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:17,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2024-11-09 00:26:17,356 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2024-11-09 00:26:17,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:26:17,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:17,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:17,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:17,361 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:17,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 00:26:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:17,642 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:18,289 WARN L253 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-09 00:26:18,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:37,437 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:26:37,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-09 00:27:07,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:27:07,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:07,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 48 states and 75 transitions. [2024-11-09 00:27:07,345 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 75 transitions. [2024-11-09 00:27:07,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:27:07,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:07,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:07,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:07,350 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:07,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 00:27:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:07,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:08,557 WARN L253 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-09 00:27:08,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:38,539 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:27:38,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-09 00:28:25,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:28:25,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:25,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 51 states and 80 transitions. [2024-11-09 00:28:25,269 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 80 transitions. [2024-11-09 00:28:25,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:28:25,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:25,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:25,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:28:25,274 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:28:25,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 00:28:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:25,598 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:28:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:26,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-09 00:28:26,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:08,963 WARN L286 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 00:29:17,218 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:17,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-09 00:30:16,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:30:16,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:16,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 54 states and 85 transitions. [2024-11-09 00:30:16,106 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 85 transitions. [2024-11-09 00:30:16,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 00:30:16,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:16,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:16,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:16,110 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:16,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-09 00:30:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:16,500 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:17,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-09 00:30:17,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:09,039 WARN L286 SmtUtils]: Spent 5.80s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 00:31:16,760 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:31:16,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-09 00:32:16,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:32:16,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:16,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 90 transitions. [2024-11-09 00:32:16,111 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 90 transitions. [2024-11-09 00:32:16,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 00:32:16,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:16,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:16,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:16,116 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:16,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 00:32:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:16,544 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:17,395 WARN L253 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-09 00:32:17,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:11,294 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:33:11,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-09 00:34:26,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.93s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:34:26,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:26,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 60 states and 95 transitions. [2024-11-09 00:34:26,366 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 95 transitions. [2024-11-09 00:34:26,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 00:34:26,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:26,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:26,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:26,370 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:26,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-09 00:34:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:26,670 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:27,558 WARN L253 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-09 00:34:27,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:44,427 WARN L286 SmtUtils]: Spent 7.48s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 00:35:53,404 WARN L286 SmtUtils]: Spent 5.45s on a formula simplification. DAG size of input: 15 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 00:35:56,925 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:35:56,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-09 00:38:04,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.73s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:38:04,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:38:04,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 63 states and 100 transitions. [2024-11-09 00:38:04,573 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 100 transitions. [2024-11-09 00:38:04,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 00:38:04,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:38:04,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:38:04,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:38:04,581 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:38:04,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6533ca31-03c2-4770-bc78-05add30d4e97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-09 00:38:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:04,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:38:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:06,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-09 00:38:06,556 INFO L278 TraceCheckSpWp]: Computing forward predicates...