./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/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_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/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_c26943df-4d9a-4137-8643-e4ce25df534a/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 9be54bf039b1b69bac47621c18caa89883f4e5db7b74fe4f3e62990547785f77 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:37:44,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:37:45,034 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:37:45,038 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:37:45,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:37:45,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:37:45,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:37:45,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:37:45,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:37:45,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:37:45,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:37:45,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:37:45,080 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:37:45,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:37:45,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:37:45,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:37:45,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:37:45,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:37:45,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:37:45,082 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:37:45,083 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:37:45,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:37:45,088 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:37:45,088 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:37:45,089 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:37:45,090 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:37:45,091 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:37:45,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:37:45,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:37:45,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:37:45,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:37:45,092 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:37:45,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:37:45,094 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_c26943df-4d9a-4137-8643-e4ce25df534a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9be54bf039b1b69bac47621c18caa89883f4e5db7b74fe4f3e62990547785f77 [2024-11-08 23:37:45,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:37:45,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:37:45,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:37:45,417 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:37:45,418 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:37:45,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i Unable to find full path for "g++" [2024-11-08 23:37:47,468 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:37:47,659 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:37:47,660 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i [2024-11-08 23:37:47,672 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/data/fc7c2c771/b89490d8447f475bafa130b98eaa8721/FLAG2080c4cf9 [2024-11-08 23:37:47,695 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/data/fc7c2c771/b89490d8447f475bafa130b98eaa8721 [2024-11-08 23:37:47,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:37:47,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:37:47,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:37:47,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:37:47,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:37:47,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:37:47" (1/1) ... [2024-11-08 23:37:47,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@498f87d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:47, skipping insertion in model container [2024-11-08 23:37:47,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:37:47" (1/1) ... [2024-11-08 23:37:47,746 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:37:47,972 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_c26943df-4d9a-4137-8643-e4ce25df534a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i[915,928] [2024-11-08 23:37:48,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:37:48,030 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:37:48,043 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_c26943df-4d9a-4137-8643-e4ce25df534a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i[915,928] [2024-11-08 23:37:48,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:37:48,089 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:37:48,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:48 WrapperNode [2024-11-08 23:37:48,090 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:37:48,091 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:37:48,092 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:37:48,092 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:37:48,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:48" (1/1) ... [2024-11-08 23:37:48,109 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:48" (1/1) ... [2024-11-08 23:37:48,136 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2024-11-08 23:37:48,136 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:37:48,137 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:37:48,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:37:48,137 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:37:48,147 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:48" (1/1) ... [2024-11-08 23:37:48,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:48" (1/1) ... [2024-11-08 23:37:48,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:48" (1/1) ... [2024-11-08 23:37:48,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:48" (1/1) ... [2024-11-08 23:37:48,168 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:48" (1/1) ... [2024-11-08 23:37:48,171 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:48" (1/1) ... [2024-11-08 23:37:48,173 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:48" (1/1) ... [2024-11-08 23:37:48,175 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:48" (1/1) ... [2024-11-08 23:37:48,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:37:48,179 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:37:48,179 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:37:48,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:37:48,184 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:48" (1/1) ... [2024-11-08 23:37:48,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:37:48,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:37:48,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:37:48,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:37:48,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:37:48,261 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:37:48,261 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:37:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:37:48,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:37:48,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:37:48,352 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:37:48,357 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:37:48,636 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 23:37:48,636 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:37:48,844 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:37:48,845 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:37:48,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:37:48 BoogieIcfgContainer [2024-11-08 23:37:48,845 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:37:48,846 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:37:48,848 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:37:48,856 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:37:48,856 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:37:48" (1/1) ... [2024-11-08 23:37:48,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:37:48,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:48,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-08 23:37:48,909 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-08 23:37:48,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 23:37:48,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:48,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-08 23:37:51,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:51,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2024-11-08 23:37:51,077 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2024-11-08 23:37:51,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 23:37:51,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:51,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:37:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:37:51,368 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:37:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:37:51,496 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 23:37:51,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:37:51 ImpRootNode [2024-11-08 23:37:51,562 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:37:51,562 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:37:51,562 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:37:51,563 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:37:51,563 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:37:48" (3/4) ... [2024-11-08 23:37:51,567 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:37:51,568 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:37:51,569 INFO L158 Benchmark]: Toolchain (without parser) took 3869.07ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 105.1MB in the beginning and 84.0MB in the end (delta: 21.2MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2024-11-08 23:37:51,570 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:37:51,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.69ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 90.9MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:37:51,571 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.83ms. Allocated memory is still 142.6MB. Free memory was 90.9MB in the beginning and 88.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:37:51,572 INFO L158 Benchmark]: Boogie Preprocessor took 41.31ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 87.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:37:51,572 INFO L158 Benchmark]: RCFGBuilder took 666.66ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 113.9MB in the end (delta: -26.7MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2024-11-08 23:37:51,573 INFO L158 Benchmark]: CodeCheck took 2715.45ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 113.9MB in the beginning and 85.0MB in the end (delta: 28.9MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2024-11-08 23:37:51,574 INFO L158 Benchmark]: Witness Printer took 6.13ms. Allocated memory is still 172.0MB. Free memory was 85.0MB in the beginning and 84.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:37:51,577 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 55 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 195 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 6 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, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 183 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 56/56 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: 19]: 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 someBinaryFLOATComparisonOperation at line 83, overapproximation of bitwiseOr at line 38, overapproximation of someBinaryArithmeticFLOAToperation at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -10; [L23] unsigned char var_1_7 = 200; [L24] unsigned char var_1_8 = 4; [L25] signed char var_1_9 = 50; [L26] signed char var_1_12 = -5; [L27] float var_1_13 = 999999999999.8; [L28] float var_1_14 = 100.5; [L29] float var_1_15 = 32.75; [L30] unsigned char var_1_16 = 1; [L31] unsigned char var_1_17 = 1; [L32] unsigned char var_1_18 = 128; [L33] unsigned char last_1_var_1_7 = 200; [L34] signed char last_1_var_1_9 = 50; [L87] isInitial = 1 [L88] FCALL initially() [L89] COND TRUE 1 [L90] CALL updateLastVariables() [L79] last_1_var_1_7 = var_1_7 [L80] last_1_var_1_9 = var_1_9 [L90] RET updateLastVariables() [L91] CALL updateVariables() [L64] var_1_8 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_9=50] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_9=50] [L66] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L67] var_1_12 = __VERIFIER_nondet_char() [L68] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L69] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L70] var_1_14 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L72] var_1_15 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L74] var_1_17 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L76] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=64, var_1_9=50] [L91] RET updateVariables() [L92] CALL step() [L38] EXPR last_1_var_1_9 ^ last_1_var_1_9 [L38] signed long int stepLocal_0 = (last_1_var_1_9 ^ last_1_var_1_9) + last_1_var_1_9; [L39] COND FALSE !(stepLocal_0 < -1) [L42] var_1_1 = (128 - (last_1_var_1_7 + last_1_var_1_7)) [L44] var_1_16 = var_1_17 [L45] var_1_18 = var_1_8 [L46] signed short int stepLocal_2 = var_1_1; [L47] unsigned char stepLocal_1 = (var_1_1 * var_1_18) < -10000; [L48] COND TRUE \read(var_1_16) [L49] COND TRUE stepLocal_1 && var_1_16 [L50] COND FALSE !(stepLocal_2 > var_1_1) [L55] COND TRUE var_1_18 == var_1_18 [L56] var_1_7 = var_1_8 [L58] signed short int stepLocal_3 = var_1_1; [L59] COND FALSE !(var_1_18 == stepLocal_3) [L92] RET step() [L93] CALL, EXPR property() [L83] EXPR last_1_var_1_9 ^ last_1_var_1_9 [L83-L84] return ((((((((last_1_var_1_9 ^ last_1_var_1_9) + last_1_var_1_9) < -1) ? (var_1_1 == ((signed short int) 8)) : (var_1_1 == ((signed short int) (128 - (last_1_var_1_7 + last_1_var_1_7))))) && ((var_1_18 == var_1_18) ? (var_1_7 == ((unsigned char) var_1_8)) : 1)) && (var_1_16 ? ((((var_1_1 * var_1_18) < -10000) && var_1_16) ? ((var_1_1 > var_1_1) ? (var_1_9 == ((signed char) var_1_12)) : 1) : 1) : 1)) && ((var_1_18 == var_1_1) ? (var_1_13 == ((float) (var_1_14 - var_1_15))) : 1)) && (var_1_16 == ((unsigned char) var_1_17))) && (var_1_18 == ((unsigned char) var_1_8)) ; [L93] RET, EXPR property() [L93] CALL __VERIFIER_assert(property()) [L19] COND FALSE !(!(cond)) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=64, var_1_9=50] [L93] RET __VERIFIER_assert(property()) [L94] isInitial = 0 VAL [isInitial=0, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=64, var_1_9=50] [L89] COND TRUE 1 [L90] CALL updateLastVariables() [L79] last_1_var_1_7 = var_1_7 [L80] last_1_var_1_9 = var_1_9 [L90] RET updateLastVariables() [L91] CALL updateVariables() [L64] var_1_8 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_9=50] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_9=50] [L66] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L67] var_1_12 = __VERIFIER_nondet_char() [L68] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L69] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L70] var_1_14 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L72] var_1_15 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L74] var_1_17 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L76] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=64, var_1_1=-272, var_1_7=64, var_1_8=0, var_1_9=50] [L91] RET updateVariables() [L92] CALL step() [L38] EXPR last_1_var_1_9 ^ last_1_var_1_9 [L38] signed long int stepLocal_0 = (last_1_var_1_9 ^ last_1_var_1_9) + last_1_var_1_9; [L39] COND FALSE !(stepLocal_0 < -1) [L42] var_1_1 = (128 - (last_1_var_1_7 + last_1_var_1_7)) [L44] var_1_16 = var_1_17 [L45] var_1_18 = var_1_8 [L46] signed short int stepLocal_2 = var_1_1; [L47] unsigned char stepLocal_1 = (var_1_1 * var_1_18) < -10000; [L48] COND TRUE \read(var_1_16) [L49] COND FALSE !(stepLocal_1 && var_1_16) [L55] COND TRUE var_1_18 == var_1_18 [L56] var_1_7 = var_1_8 [L58] signed short int stepLocal_3 = var_1_1; [L59] COND TRUE var_1_18 == stepLocal_3 [L60] var_1_13 = (var_1_14 - var_1_15) [L92] RET step() [L93] CALL, EXPR property() [L83] EXPR last_1_var_1_9 ^ last_1_var_1_9 [L83-L84] return ((((((((last_1_var_1_9 ^ last_1_var_1_9) + last_1_var_1_9) < -1) ? (var_1_1 == ((signed short int) 8)) : (var_1_1 == ((signed short int) (128 - (last_1_var_1_7 + last_1_var_1_7))))) && ((var_1_18 == var_1_18) ? (var_1_7 == ((unsigned char) var_1_8)) : 1)) && (var_1_16 ? ((((var_1_1 * var_1_18) < -10000) && var_1_16) ? ((var_1_1 > var_1_1) ? (var_1_9 == ((signed char) var_1_12)) : 1) : 1) : 1)) && ((var_1_18 == var_1_1) ? (var_1_13 == ((float) (var_1_14 - var_1_15))) : 1)) && (var_1_16 == ((unsigned char) var_1_17))) && (var_1_18 == ((unsigned char) var_1_8)) ; [L93] RET, EXPR property() [L93] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_1=0, var_1_7=0, var_1_8=0, var_1_9=50] [L19] reach_error() VAL [isInitial=0, last_1_var_1_7=64, last_1_var_1_9=50, var_1_12=-127, var_1_13=0, var_1_16=1, var_1_17=1, var_1_18=0, var_1_1=0, var_1_7=0, var_1_8=0, var_1_9=50] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.69ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 90.9MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.83ms. Allocated memory is still 142.6MB. Free memory was 90.9MB in the beginning and 88.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.31ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 87.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 666.66ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 113.9MB in the end (delta: -26.7MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. * CodeCheck took 2715.45ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 113.9MB in the beginning and 85.0MB in the end (delta: 28.9MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. * Witness Printer took 6.13ms. Allocated memory is still 172.0MB. Free memory was 85.0MB in the beginning and 84.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:37:51,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/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_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/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_c26943df-4d9a-4137-8643-e4ce25df534a/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 9be54bf039b1b69bac47621c18caa89883f4e5db7b74fe4f3e62990547785f77 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:37:54,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:37:54,271 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:37:54,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:37:54,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:37:54,327 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:37:54,328 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:37:54,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:37:54,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:37:54,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:37:54,331 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:37:54,331 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:37:54,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:37:54,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:37:54,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:37:54,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:37:54,336 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:37:54,336 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:37:54,336 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:37:54,337 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:37:54,337 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:37:54,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:37:54,340 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:37:54,341 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:37:54,341 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:37:54,342 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:37:54,342 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:37:54,342 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:37:54,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:37:54,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:37:54,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:37:54,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:37:54,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:37:54,346 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:37:54,346 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:37:54,347 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:37:54,347 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_c26943df-4d9a-4137-8643-e4ce25df534a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9be54bf039b1b69bac47621c18caa89883f4e5db7b74fe4f3e62990547785f77 [2024-11-08 23:37:54,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:37:54,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:37:54,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:37:54,813 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:37:54,814 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:37:54,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i Unable to find full path for "g++" [2024-11-08 23:37:57,129 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:37:57,388 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:37:57,389 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i [2024-11-08 23:37:57,397 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/data/9376dd0a9/34e3d730ed5042e8936b2f6257c2c43c/FLAGb593e9a8a [2024-11-08 23:37:57,417 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/data/9376dd0a9/34e3d730ed5042e8936b2f6257c2c43c [2024-11-08 23:37:57,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:37:57,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:37:57,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:37:57,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:37:57,433 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:37:57,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4421cd29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57, skipping insertion in model container [2024-11-08 23:37:57,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,471 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:37:57,701 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_c26943df-4d9a-4137-8643-e4ce25df534a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i[915,928] [2024-11-08 23:37:57,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:37:57,792 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:37:57,809 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_c26943df-4d9a-4137-8643-e4ce25df534a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i[915,928] [2024-11-08 23:37:57,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:37:57,870 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:37:57,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57 WrapperNode [2024-11-08 23:37:57,871 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:37:57,872 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:37:57,873 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:37:57,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:37:57,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,934 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2024-11-08 23:37:57,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:37:57,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:37:57,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:37:57,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:37:57,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:57,992 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:37:57,997 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:37:57,997 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:37:57,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:37:57,998 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:57" (1/1) ... [2024-11-08 23:37:58,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:37:58,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:37:58,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:37:58,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:37:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:37:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:37:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:37:58,074 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:37:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:37:58,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:37:58,188 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:37:58,190 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:37:58,529 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 23:37:58,529 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:37:58,666 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:37:58,666 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:37:58,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:37:58 BoogieIcfgContainer [2024-11-08 23:37:58,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:37:58,668 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:37:58,668 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:37:58,679 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:37:58,679 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:37:58" (1/1) ... [2024-11-08 23:37:58,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:37:58,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:58,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-08 23:37:58,743 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-08 23:37:58,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 23:37:58,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:58,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:37:58,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:37:58,749 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:37:58,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:37:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:59,173 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:37:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:59,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 23:37:59,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:38:27,459 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:38:27,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:38:28,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:38:28,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 54 transitions. [2024-11-08 23:38:28,198 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2024-11-08 23:38:28,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 23:38:28,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:38:28,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:38:28,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:38:28,203 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:38:28,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:38:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:38:28,746 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:38:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:38:29,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:38:29,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:00,464 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 53 proven. 152 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-08 23:39:00,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:39:07,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:07,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 117 transitions. [2024-11-08 23:39:07,289 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2024-11-08 23:39:07,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 23:39:07,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:07,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:07,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:07,295 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:07,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:39:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:07,839 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:08,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:39:08,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:37,395 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-08 23:39:37,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 23:39:38,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:38,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 117 transitions. [2024-11-08 23:39:38,250 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2024-11-08 23:39:38,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 23:39:38,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:38,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:38,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:38,255 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:38,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:39:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:38,790 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:39,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 23:39:39,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:56,395 WARN L286 SmtUtils]: Spent 14.87s on a formula simplification. DAG size of input: 25 DAG size of output: 13 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:41:23,284 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 154 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-08 23:41:23,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 23:41:23,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:23,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 117 transitions. [2024-11-08 23:41:23,568 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2024-11-08 23:41:23,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 23:41:23,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:23,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:23,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:23,571 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:23,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:41:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:24,026 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:24,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:41:24,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:51,594 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 59 proven. 147 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:41:51,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 23:41:53,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:53,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 117 transitions. [2024-11-08 23:41:53,344 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2024-11-08 23:41:53,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 23:41:53,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:53,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:53,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:53,352 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:53,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:41:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:53,862 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:54,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 23:41:54,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:21,046 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 62 proven. 147 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-08 23:42:21,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:21,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:21,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 117 transitions. [2024-11-08 23:42:21,528 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2024-11-08 23:42:21,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 23:42:21,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:21,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:21,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:21,535 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:21,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:42:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:22,078 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:22,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:22,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:49,063 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-08 23:42:49,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:49,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:49,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 117 transitions. [2024-11-08 23:42:49,311 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2024-11-08 23:42:49,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 23:42:49,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:49,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:49,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:49,316 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:49,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 23:42:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:49,795 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:50,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:42:50,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:15,730 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 59 proven. 147 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:43:15,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:15,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:15,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 117 transitions. [2024-11-08 23:43:15,907 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2024-11-08 23:43:15,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 23:43:15,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:15,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:15,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:15,915 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:15,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 23:43:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:16,410 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:16,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:43:16,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:43,072 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 59 proven. 147 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:43:43,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:44,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:44,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 117 transitions. [2024-11-08 23:43:44,571 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2024-11-08 23:43:44,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 23:43:44,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:44,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:44,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:44,577 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:44,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 23:43:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:45,068 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:45,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 23:43:45,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:14,150 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 59 proven. 147 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:44:14,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 23:44:14,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:14,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 117 transitions. [2024-11-08 23:44:14,354 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2024-11-08 23:44:14,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 23:44:14,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:14,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:14,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:14,357 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:14,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 23:44:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:14,862 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:15,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:15,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:43,803 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-08 23:44:43,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 23:44:44,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:44,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 117 transitions. [2024-11-08 23:44:44,086 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2024-11-08 23:44:44,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 23:44:44,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:44,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:44,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:44,091 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:44,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 23:44:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:44,589 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:45,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:44:45,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:12,812 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-08 23:45:12,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:13,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:13,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 117 transitions. [2024-11-08 23:45:13,056 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2024-11-08 23:45:13,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 23:45:13,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:13,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:13,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:13,060 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:13,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 23:45:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:13,550 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:14,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:45:14,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:41,550 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-08 23:45:41,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:41,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:41,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 117 transitions. [2024-11-08 23:45:41,753 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2024-11-08 23:45:41,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 23:45:41,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:41,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:41,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:41,755 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:41,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 23:45:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:42,235 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:42,783 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:45:42,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:11,755 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 59 proven. 147 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:46:11,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-08 23:46:11,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:11,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 117 transitions. [2024-11-08 23:46:11,975 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2024-11-08 23:46:11,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 23:46:11,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:11,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:11,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:11,981 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:11,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 23:46:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:12,601 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:13,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:46:13,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:41,018 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 59 proven. 147 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:46:41,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-08 23:46:41,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:41,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 117 transitions. [2024-11-08 23:46:41,193 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2024-11-08 23:46:41,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 23:46:41,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:41,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:41,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:41,198 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:41,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 23:46:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:41,689 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:42,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:46:42,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:13,915 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 59 proven. 147 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:47:13,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:14,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:14,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 117 transitions. [2024-11-08 23:47:14,130 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2024-11-08 23:47:14,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 23:47:14,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:14,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:14,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:14,134 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:14,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 23:47:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:14,656 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:15,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:47:15,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:46,856 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 59 proven. 147 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:47:46,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:47,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:47,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 72 states and 117 transitions. [2024-11-08 23:47:47,032 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2024-11-08 23:47:47,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 23:47:47,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:47,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:47,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:47,037 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:47,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 23:47:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:47,484 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:47,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 23:47:47,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:16,005 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 59 proven. 148 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-08 23:49:16,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:40,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:40,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 102 states and 178 transitions. [2024-11-08 23:49:40,080 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 178 transitions. [2024-11-08 23:49:40,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 23:49:40,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:40,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:40,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:40,087 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:40,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 23:49:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:40,825 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:41,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:49:41,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:15,052 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 59 proven. 147 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 23:50:15,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:17,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:17,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 102 states and 178 transitions. [2024-11-08 23:50:17,937 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 178 transitions. [2024-11-08 23:50:17,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 23:50:17,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:17,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:17,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:17,944 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:17,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 23:50:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:18,635 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:19,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:50:19,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:57,016 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-08 23:50:57,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:57,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:57,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 102 states and 178 transitions. [2024-11-08 23:50:57,111 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 178 transitions. [2024-11-08 23:50:57,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 23:50:57,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:57,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:57,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:57,114 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:57,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 23:50:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:57,680 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:58,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:50:58,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:31,598 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 58 proven. 155 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 23:52:31,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:40,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:40,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 102 states and 178 transitions. [2024-11-08 23:52:40,934 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 178 transitions. [2024-11-08 23:52:40,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 23:52:40,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:40,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:40,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:40,938 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:40,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26943df-4d9a-4137-8643-e4ce25df534a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 23:52:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:41,586 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:42,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:52:42,127 INFO L278 TraceCheckSpWp]: Computing forward predicates...