./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c --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_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/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_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/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_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/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 91dfff3356c8586e4ab54260d22ce3d78ead2ec4d531619c6564036666f10187 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:07:59,470 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:07:59,563 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:07:59,568 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:07:59,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:07:59,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:07:59,613 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:07:59,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:07:59,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:07:59,618 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:07:59,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:07:59,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:07:59,620 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:07:59,621 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:07:59,623 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:07:59,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:07:59,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:07:59,625 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:07:59,625 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:07:59,625 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:07:59,630 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:07:59,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:07:59,631 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:07:59,632 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:07:59,632 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:07:59,632 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:07:59,633 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:07:59,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:07:59,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:07:59,633 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:07:59,634 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:07:59,634 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:07:59,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:07:59,635 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_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91dfff3356c8586e4ab54260d22ce3d78ead2ec4d531619c6564036666f10187 [2024-11-09 00:07:59,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:07:59,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:07:59,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:07:59,941 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:07:59,942 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:07:59,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c Unable to find full path for "g++" [2024-11-09 00:08:02,027 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:08:02,183 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:08:02,183 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c [2024-11-09 00:08:02,191 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/data/1507ae858/4b5b974216d64fa3b02a50af73284022/FLAG1da608eb8 [2024-11-09 00:08:02,205 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/data/1507ae858/4b5b974216d64fa3b02a50af73284022 [2024-11-09 00:08:02,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:08:02,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:08:02,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:08:02,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:08:02,222 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:08:02,223 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:08:02" (1/1) ... [2024-11-09 00:08:02,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fa7cc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:02, skipping insertion in model container [2024-11-09 00:08:02,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:08:02" (1/1) ... [2024-11-09 00:08:02,246 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:08:02,411 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_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c[537,550] [2024-11-09 00:08:02,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:08:02,442 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:08:02,456 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_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c[537,550] [2024-11-09 00:08:02,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:08:02,481 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:08:02,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:02 WrapperNode [2024-11-09 00:08:02,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:08:02,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:08:02,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:08:02,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:08:02,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:02" (1/1) ... [2024-11-09 00:08:02,501 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:02" (1/1) ... [2024-11-09 00:08:02,524 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-11-09 00:08:02,524 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:08:02,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:08:02,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:08:02,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:08:02,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:02" (1/1) ... [2024-11-09 00:08:02,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:02" (1/1) ... [2024-11-09 00:08:02,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:02" (1/1) ... [2024-11-09 00:08:02,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:02" (1/1) ... [2024-11-09 00:08:02,565 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:02" (1/1) ... [2024-11-09 00:08:02,577 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:02" (1/1) ... [2024-11-09 00:08:02,578 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:02" (1/1) ... [2024-11-09 00:08:02,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:02" (1/1) ... [2024-11-09 00:08:02,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:08:02,592 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:08:02,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:08:02,598 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:08:02,599 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:02" (1/1) ... [2024-11-09 00:08:02,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:08:02,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:08:02,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:08:02,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:08:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:08:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:08:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:08:02,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:08:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:08:02,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:08:02,801 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:08:02,805 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:08:03,042 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-09 00:08:03,045 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:08:03,130 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:08:03,131 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 00:08:03,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:08:03 BoogieIcfgContainer [2024-11-09 00:08:03,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:08:03,132 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:08:03,133 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:08:03,144 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:08:03,144 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:08:03" (1/1) ... [2024-11-09 00:08:03,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:08:03,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:03,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-09 00:08:03,206 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-09 00:08:03,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:08:03,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:03,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:08:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:03,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:08:03,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:03,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-09 00:08:03,373 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-09 00:08:03,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:08:03,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:03,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:08:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:03,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:08:03,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:03,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-11-09 00:08:03,817 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-11-09 00:08:03,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:08:03,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:03,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:08:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:03,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:08:04,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:04,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-09 00:08:04,167 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-09 00:08:04,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:08:04,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:04,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:08:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:04,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:08:04,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:04,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2024-11-09 00:08:04,821 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-11-09 00:08:04,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:08:04,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:04,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:08:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:08:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:04,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:04,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:05,117 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:08:05,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:05,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2024-11-09 00:08:05,899 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2024-11-09 00:08:05,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:08:05,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:05,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:08:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:06,166 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:08:07,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:07,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2024-11-09 00:08:07,015 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2024-11-09 00:08:07,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:08:07,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:07,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:08:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:08:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:07,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 00:08:07,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:07,578 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 00:08:09,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:09,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 102 transitions. [2024-11-09 00:08:09,053 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 102 transitions. [2024-11-09 00:08:09,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:08:09,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:09,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:08:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:09,194 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:08:09,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:09,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 52 states and 107 transitions. [2024-11-09 00:08:09,656 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 107 transitions. [2024-11-09 00:08:09,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 00:08:09,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:09,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:08:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:10,091 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 00:08:17,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:17,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 57 states and 120 transitions. [2024-11-09 00:08:17,898 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 120 transitions. [2024-11-09 00:08:17,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 00:08:17,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:17,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:08:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:18,049 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 00:08:19,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:19,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 61 states and 128 transitions. [2024-11-09 00:08:19,760 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 128 transitions. [2024-11-09 00:08:19,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 00:08:19,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:19,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:08:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:08:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:19,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 00:08:19,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:20,183 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 00:08:23,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:23,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 67 states and 145 transitions. [2024-11-09 00:08:23,654 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 145 transitions. [2024-11-09 00:08:23,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 00:08:23,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:23,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:08:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:08:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:23,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:08:23,817 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:23,899 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 00:08:26,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:26,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 71 states and 154 transitions. [2024-11-09 00:08:26,078 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 154 transitions. [2024-11-09 00:08:26,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:08:26,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:26,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:08:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:08:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:26,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:26,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:26,380 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 00:08:27,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:27,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 74 states and 165 transitions. [2024-11-09 00:08:27,562 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 165 transitions. [2024-11-09 00:08:27,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 00:08:27,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:27,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:08:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:28,241 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 00:08:32,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:32,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 79 states and 182 transitions. [2024-11-09 00:08:32,831 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 182 transitions. [2024-11-09 00:08:32,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 00:08:32,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:32,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:08:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:33,212 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 00:08:38,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:38,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 84 states and 196 transitions. [2024-11-09 00:08:38,190 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 196 transitions. [2024-11-09 00:08:38,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 00:08:38,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:38,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:08:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:39,479 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 00:08:50,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:50,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 91 states and 218 transitions. [2024-11-09 00:08:50,091 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 218 transitions. [2024-11-09 00:08:50,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 00:08:50,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:50,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:08:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:08:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:50,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:08:50,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:50,263 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-09 00:08:54,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:54,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 97 states and 239 transitions. [2024-11-09 00:08:54,323 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 239 transitions. [2024-11-09 00:08:54,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 00:08:54,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:54,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:08:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:08:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:54,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 00:08:54,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:48,944 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 00:10:32,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:32,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 103 states and 251 transitions. [2024-11-09 00:10:32,707 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 251 transitions. [2024-11-09 00:10:32,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 00:10:32,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:32,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:10:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:10:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:32,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 00:10:32,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:53,401 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 00:11:22,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:22,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 111 states and 271 transitions. [2024-11-09 00:11:22,639 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 271 transitions. [2024-11-09 00:11:22,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 00:11:22,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:22,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:22,742 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 00:11:24,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:24,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 115 states and 282 transitions. [2024-11-09 00:11:24,879 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 282 transitions. [2024-11-09 00:11:24,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 00:11:24,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:24,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:24,964 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 00:11:26,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:26,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 115 states and 281 transitions. [2024-11-09 00:11:26,293 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 281 transitions. [2024-11-09 00:11:26,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 00:11:26,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:26,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:26,804 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 00:11:28,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:28,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 117 states and 293 transitions. [2024-11-09 00:11:28,579 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 293 transitions. [2024-11-09 00:11:28,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 00:11:28,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:28,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:11:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:28,661 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-09 00:13:54,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:13:54,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:54,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 121 states and 306 transitions. [2024-11-09 00:13:54,121 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 306 transitions. [2024-11-09 00:13:54,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 00:13:54,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:54,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:13:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:54,201 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-09 00:14:10,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:10,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 124 states and 313 transitions. [2024-11-09 00:14:10,907 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 313 transitions. [2024-11-09 00:14:10,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 00:14:10,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:10,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:10,976 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-09 00:14:13,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:13,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 126 states and 315 transitions. [2024-11-09 00:14:13,283 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 315 transitions. [2024-11-09 00:14:13,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 00:14:13,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:13,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:14:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:13,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:14:13,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:14,123 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 00:14:20,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:20,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 132 states and 337 transitions. [2024-11-09 00:14:20,485 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 337 transitions. [2024-11-09 00:14:20,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 00:14:20,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:20,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:14:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:20,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:14:20,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:20,701 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 00:14:23,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:23,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 134 states and 344 transitions. [2024-11-09 00:14:23,259 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 344 transitions. [2024-11-09 00:14:23,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 00:14:23,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:23,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:14:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:23,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:14:23,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:23,478 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 00:14:42,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:42,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 137 states and 351 transitions. [2024-11-09 00:14:42,986 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 351 transitions. [2024-11-09 00:14:42,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 00:14:42,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:42,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:14:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:43,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:14:43,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:43,137 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-09 00:14:46,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:46,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 139 states and 353 transitions. [2024-11-09 00:14:46,889 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 353 transitions. [2024-11-09 00:14:46,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 00:14:46,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:46,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:14:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:14:56,985 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-09 00:14:56,988 INFO L158 Benchmark]: Toolchain (without parser) took 414775.80ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 110.1MB in the beginning and 114.3MB in the end (delta: -4.1MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2024-11-09 00:14:56,989 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 151.0MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:14:56,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.15ms. Allocated memory is still 151.0MB. Free memory was 109.7MB in the beginning and 97.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:14:56,990 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.96ms. Allocated memory is still 151.0MB. Free memory was 97.1MB in the beginning and 95.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:14:56,990 INFO L158 Benchmark]: Boogie Preprocessor took 62.16ms. Allocated memory is still 151.0MB. Free memory was 95.4MB in the beginning and 94.5MB in the end (delta: 899.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:14:56,991 INFO L158 Benchmark]: RCFGBuilder took 539.46ms. Allocated memory is still 151.0MB. Free memory was 94.5MB in the beginning and 79.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:14:56,992 INFO L158 Benchmark]: CodeCheck took 413854.99ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 79.8MB in the beginning and 114.3MB in the end (delta: -34.4MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-11-09 00:14:56,995 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 151.0MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.15ms. Allocated memory is still 151.0MB. Free memory was 109.7MB in the beginning and 97.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.96ms. Allocated memory is still 151.0MB. Free memory was 97.1MB in the beginning and 95.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.16ms. Allocated memory is still 151.0MB. Free memory was 95.4MB in the beginning and 94.5MB in the end (delta: 899.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 539.46ms. Allocated memory is still 151.0MB. Free memory was 94.5MB in the beginning and 79.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 413854.99ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 79.8MB in the beginning and 114.3MB in the end (delta: -34.4MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:14:57,206 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-09 00:14:57,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/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_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/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_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/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 91dfff3356c8586e4ab54260d22ce3d78ead2ec4d531619c6564036666f10187 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:14:59,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:14:59,501 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:14:59,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:14:59,558 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:14:59,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:14:59,559 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:14:59,562 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:14:59,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:14:59,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:14:59,563 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:14:59,564 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:14:59,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:14:59,564 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:14:59,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:14:59,565 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:14:59,566 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:14:59,570 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:14:59,570 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:14:59,572 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:14:59,573 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:14:59,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:14:59,574 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:14:59,574 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:14:59,575 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:14:59,575 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:14:59,575 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:59,576 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:14:59,576 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:14:59,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:14:59,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:14:59,577 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:14:59,577 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:14:59,577 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:14:59,577 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:59,578 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:14:59,578 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_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91dfff3356c8586e4ab54260d22ce3d78ead2ec4d531619c6564036666f10187 [2024-11-09 00:14:59,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:15:00,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:15:00,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:15:00,016 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:15:00,017 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:15:00,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c Unable to find full path for "g++" [2024-11-09 00:15:02,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:15:02,297 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:15:02,298 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c [2024-11-09 00:15:02,306 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/data/82d60c6b7/e76cc3db12394c719f04bab2a2391ae7/FLAG29357bdce [2024-11-09 00:15:02,326 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/data/82d60c6b7/e76cc3db12394c719f04bab2a2391ae7 [2024-11-09 00:15:02,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:15:02,331 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:15:02,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:15:02,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:15:02,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:15:02,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:15:02" (1/1) ... [2024-11-09 00:15:02,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12b17dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:02, skipping insertion in model container [2024-11-09 00:15:02,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:15:02" (1/1) ... [2024-11-09 00:15:02,371 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:15:02,584 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_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c[537,550] [2024-11-09 00:15:02,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:15:02,637 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:15:02,653 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_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c[537,550] [2024-11-09 00:15:02,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:15:02,727 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:15:02,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:02 WrapperNode [2024-11-09 00:15:02,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:15:02,729 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:15:02,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:15:02,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:15:02,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:02" (1/1) ... [2024-11-09 00:15:02,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:02" (1/1) ... [2024-11-09 00:15:02,784 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-11-09 00:15:02,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:15:02,787 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:15:02,787 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:15:02,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:15:02,798 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:02" (1/1) ... [2024-11-09 00:15:02,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:02" (1/1) ... [2024-11-09 00:15:02,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:02" (1/1) ... [2024-11-09 00:15:02,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:02" (1/1) ... [2024-11-09 00:15:02,810 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:02" (1/1) ... [2024-11-09 00:15:02,817 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:02" (1/1) ... [2024-11-09 00:15:02,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:02" (1/1) ... [2024-11-09 00:15:02,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:02" (1/1) ... [2024-11-09 00:15:02,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:15:02,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:15:02,834 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:15:02,834 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:15:02,835 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:02" (1/1) ... [2024-11-09 00:15:02,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:15:02,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:15:02,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:15:02,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:15:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:15:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:15:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:15:02,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:15:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:15:02,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:15:02,991 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:15:02,994 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:15:03,180 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-09 00:15:03,181 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:15:03,250 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:15:03,251 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 00:15:03,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:15:03 BoogieIcfgContainer [2024-11-09 00:15:03,251 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:15:03,252 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:15:03,253 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:15:03,264 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:15:03,265 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:15:03" (1/1) ... [2024-11-09 00:15:03,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:15:03,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:03,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-09 00:15:03,343 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-09 00:15:03,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:15:03,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:03,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:03,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:03,357 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:03,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:15:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:03,461 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:03,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:15:03,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:03,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:15:03,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:15:03,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:03,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-09 00:15:03,592 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-09 00:15:03,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:15:03,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:03,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:03,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:03,599 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:03,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:15:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:03,657 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:03,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:15:03,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:03,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:15:03,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:15:04,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:04,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-11-09 00:15:04,014 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-11-09 00:15:04,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:15:04,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:04,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:04,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:04,020 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:04,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:15:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:04,117 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:04,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:15:04,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:04,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:15:04,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:15:04,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:04,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-09 00:15:04,523 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-09 00:15:04,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:15:04,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:04,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:04,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:04,527 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:04,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:15:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:04,573 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:04,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:15:04,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:04,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:15:04,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:05,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:05,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2024-11-09 00:15:05,238 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2024-11-09 00:15:05,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:15:05,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:05,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:05,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:05,242 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:05,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:15:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:05,339 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:05,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:15:05,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:05,670 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:15:05,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 00:15:07,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:07,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2024-11-09 00:15:07,560 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2024-11-09 00:15:07,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:15:07,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:07,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:07,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:07,566 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:07,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:15:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:07,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:07,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:15:07,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:07,973 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:15:07,977 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:15:07,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 00:15:10,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:10,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 50 states and 112 transitions. [2024-11-09 00:15:10,439 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 112 transitions. [2024-11-09 00:15:10,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:15:10,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:10,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:10,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:10,444 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:10,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:15:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:10,537 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:10,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:15:10,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:10,695 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 00:15:10,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-09 00:15:11,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:11,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 56 states and 129 transitions. [2024-11-09 00:15:11,871 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 129 transitions. [2024-11-09 00:15:11,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:15:11,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:11,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:11,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:11,878 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:11,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 00:15:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:12,000 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:12,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:15:12,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:12,215 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:15:12,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-09 00:15:12,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:12,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 58 states and 134 transitions. [2024-11-09 00:15:12,986 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 134 transitions. [2024-11-09 00:15:12,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 00:15:12,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:12,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:12,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:12,994 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:12,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 00:15:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:13,060 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:13,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:13,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:14,314 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:15:14,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:24,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:24,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 63 states and 148 transitions. [2024-11-09 00:15:24,998 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 148 transitions. [2024-11-09 00:15:25,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 00:15:25,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:25,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:25,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:25,004 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:25,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 00:15:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:25,059 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:25,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:15:25,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:25,168 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 00:15:25,172 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:15:25,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-09 00:15:26,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:26,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 65 states and 149 transitions. [2024-11-09 00:15:26,250 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 149 transitions. [2024-11-09 00:15:26,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 00:15:26,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:26,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:26,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:26,256 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:26,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 00:15:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:26,409 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:26,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 00:15:26,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:26,872 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:15:26,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-09 00:15:33,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:33,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 71 states and 172 transitions. [2024-11-09 00:15:33,701 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 172 transitions. [2024-11-09 00:15:33,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:15:33,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:33,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:33,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:33,707 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:33,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 00:15:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:33,848 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:33,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:15:33,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:34,037 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 00:15:34,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-09 00:15:36,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:36,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 74 states and 187 transitions. [2024-11-09 00:15:36,255 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 187 transitions. [2024-11-09 00:15:36,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 00:15:36,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:36,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:36,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:36,260 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:36,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 00:15:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:36,323 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:36,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:15:36,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:36,637 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 00:15:36,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-09 00:15:43,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:43,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 79 states and 202 transitions. [2024-11-09 00:15:43,797 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 202 transitions. [2024-11-09 00:15:43,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 00:15:43,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:43,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:43,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:43,808 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:43,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 00:15:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:43,875 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:43,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:15:43,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:44,352 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-09 00:15:44,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:46,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:46,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 82 states and 211 transitions. [2024-11-09 00:15:46,394 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 211 transitions. [2024-11-09 00:15:46,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 00:15:46,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:46,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:46,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:46,400 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:46,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 00:15:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:46,534 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:46,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:15:46,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:47,060 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 00:15:47,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-09 00:15:54,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:54,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 92 states and 276 transitions. [2024-11-09 00:15:54,989 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 276 transitions. [2024-11-09 00:15:54,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 00:15:54,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:54,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:54,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:54,995 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:54,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 00:15:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:55,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:55,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:15:55,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:55,321 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-09 00:15:55,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:57,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:57,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 97 states and 289 transitions. [2024-11-09 00:15:57,755 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 289 transitions. [2024-11-09 00:15:57,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 00:15:57,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:57,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:57,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:57,760 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:57,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-09 00:15:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:57,902 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:57,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:15:57,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:58,404 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 00:15:58,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:01,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:01,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 99 states and 296 transitions. [2024-11-09 00:16:01,106 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 296 transitions. [2024-11-09 00:16:01,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 00:16:01,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:01,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:01,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:01,111 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:01,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 00:16:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:01,164 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:01,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:01,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:01,354 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 25 proven. 23 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-09 00:16:01,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:10,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:10,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 102 states and 302 transitions. [2024-11-09 00:16:10,012 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 302 transitions. [2024-11-09 00:16:10,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 00:16:10,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:10,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:10,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:10,016 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:10,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-09 00:16:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:10,074 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:10,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:16:10,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:10,167 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-09 00:16:10,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:11,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:11,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 104 states and 303 transitions. [2024-11-09 00:16:11,598 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 303 transitions. [2024-11-09 00:16:11,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 00:16:11,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:11,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:11,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:11,605 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:11,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-09 00:16:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:11,740 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:11,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 00:16:11,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:12,353 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 25 proven. 52 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-09 00:16:12,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-09 00:16:22,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:22,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 110 states and 334 transitions. [2024-11-09 00:16:22,774 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 334 transitions. [2024-11-09 00:16:22,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 00:16:22,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:22,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:22,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:22,780 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:22,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-09 00:16:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:22,945 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:23,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:23,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:24,668 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 00:16:24,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:38,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:38,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 115 states and 352 transitions. [2024-11-09 00:16:38,712 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 352 transitions. [2024-11-09 00:16:38,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-09 00:16:38,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:38,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:38,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:38,718 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:38,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-09 00:16:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:38,868 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:39,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 00:16:39,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:41,411 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 26 proven. 35 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-09 00:16:41,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:04,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:04,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 129 states and 398 transitions. [2024-11-09 00:17:04,397 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 398 transitions. [2024-11-09 00:17:04,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 00:17:04,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:04,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:04,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:04,400 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:04,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-09 00:17:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:04,572 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:04,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 00:17:04,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:06,681 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 17 proven. 35 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-09 00:17:06,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:15,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:15,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 132 states and 412 transitions. [2024-11-09 00:17:15,613 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 412 transitions. [2024-11-09 00:17:15,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 00:17:15,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:15,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:15,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:15,617 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:15,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-09 00:17:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:15,760 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:15,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:17:15,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:15,978 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-09 00:17:15,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:17,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:17,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 134 states and 422 transitions. [2024-11-09 00:17:17,527 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 422 transitions. [2024-11-09 00:17:17,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 00:17:17,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:17,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:17,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:17,537 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:17,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-09 00:17:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:17,716 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:17,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:17,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:18,647 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 00:17:18,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-09 00:17:29,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:29,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 142 states and 487 transitions. [2024-11-09 00:17:29,016 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 487 transitions. [2024-11-09 00:17:29,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 00:17:29,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:29,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:29,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:29,021 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:29,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-09 00:17:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:29,193 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:29,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:17:29,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:29,488 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-09 00:17:29,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-09 00:17:34,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:34,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 145 states and 497 transitions. [2024-11-09 00:17:34,285 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 497 transitions. [2024-11-09 00:17:34,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 00:17:34,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:34,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:34,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:34,290 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:34,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-09 00:17:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:34,448 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:34,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:34,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:35,341 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 00:17:35,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-09 00:17:39,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:39,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 147 states and 507 transitions. [2024-11-09 00:17:39,971 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 507 transitions. [2024-11-09 00:17:39,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 00:17:39,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:39,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:39,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:39,976 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:39,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-09 00:17:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:40,035 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:40,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:40,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:40,278 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 41 proven. 35 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-09 00:17:40,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-09 00:17:51,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:51,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 150 states and 513 transitions. [2024-11-09 00:17:51,727 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 513 transitions. [2024-11-09 00:17:51,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 00:17:51,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:51,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:51,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:51,734 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:51,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-09 00:17:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:51,792 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:51,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:17:51,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:51,901 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-09 00:17:51,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-09 00:17:54,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:54,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 152 states and 514 transitions. [2024-11-09 00:17:54,636 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 514 transitions. [2024-11-09 00:17:54,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 00:17:54,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:54,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:54,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:54,642 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:54,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-09 00:17:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:54,873 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:55,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 00:17:55,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:57,638 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 69 proven. 37 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-09 00:17:57,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-09 00:18:07,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:07,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 155 states and 546 transitions. [2024-11-09 00:18:07,297 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 546 transitions. [2024-11-09 00:18:07,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 00:18:07,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:07,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:07,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:07,304 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:07,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-09 00:18:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:07,398 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:07,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:18:07,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:08,227 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 24 proven. 11 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-09 00:18:08,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:14,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:14,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 156 states and 547 transitions. [2024-11-09 00:18:14,822 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 547 transitions. [2024-11-09 00:18:14,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 00:18:14,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:14,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:14,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:14,827 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:14,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-09 00:18:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:14,992 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:15,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 00:18:15,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:16,189 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 41 proven. 68 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-09 00:18:16,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:37,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:37,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 162 states and 586 transitions. [2024-11-09 00:18:37,215 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 586 transitions. [2024-11-09 00:18:37,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 00:18:37,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:37,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:37,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:37,220 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:37,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-09 00:18:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:37,524 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:37,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 00:18:37,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:39,960 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 44 proven. 43 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-09 00:18:39,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:47,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:47,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 164 states and 592 transitions. [2024-11-09 00:18:47,753 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 592 transitions. [2024-11-09 00:18:47,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 00:18:47,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:47,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:47,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:47,757 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:47,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-09 00:18:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:47,944 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:48,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 00:18:48,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:52,014 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 49 proven. 66 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-09 00:18:52,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-09 00:19:28,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:28,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 178 states and 644 transitions. [2024-11-09 00:19:28,648 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 644 transitions. [2024-11-09 00:19:28,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 00:19:28,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:28,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:28,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:28,653 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:28,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-09 00:19:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:28,877 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:29,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 00:19:29,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:30,049 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 49 proven. 66 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-09 00:19:30,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:43,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:43,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 183 states and 667 transitions. [2024-11-09 00:19:43,911 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 667 transitions. [2024-11-09 00:19:43,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 00:19:43,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:43,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:43,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:43,916 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:43,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-09 00:19:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:44,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:44,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 00:19:44,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:45,323 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 41 proven. 56 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-09 00:19:45,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:50,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:50,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 185 states and 673 transitions. [2024-11-09 00:19:50,964 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 673 transitions. [2024-11-09 00:19:50,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 00:19:50,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:50,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:50,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:50,968 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:50,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-09 00:19:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:51,200 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:51,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:19:51,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:53,212 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 22 proven. 200 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 00:19:53,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:12,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:12,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 194 states and 777 transitions. [2024-11-09 00:20:12,829 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 777 transitions. [2024-11-09 00:20:12,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 00:20:12,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:12,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:12,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:12,832 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:12,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-09 00:20:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:13,003 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:13,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 00:20:13,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:14,264 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 41 proven. 56 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-09 00:20:14,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-09 00:20:20,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:20,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 196 states and 783 transitions. [2024-11-09 00:20:20,869 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 783 transitions. [2024-11-09 00:20:20,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 00:20:20,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:20,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:20,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:20,873 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:20,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-09 00:20:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:21,168 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:21,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 00:20:21,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:24,665 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 23 proven. 56 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-09 00:20:24,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-09 00:20:37,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:37,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 199 states and 802 transitions. [2024-11-09 00:20:37,611 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 802 transitions. [2024-11-09 00:20:37,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 00:20:37,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:37,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:37,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:37,613 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:37,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-09 00:20:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:37,792 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:37,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:20:37,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:38,126 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 23 proven. 34 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2024-11-09 00:20:38,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-09 00:20:40,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:40,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 201 states and 819 transitions. [2024-11-09 00:20:40,727 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 819 transitions. [2024-11-09 00:20:40,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 00:20:40,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:40,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:40,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:40,757 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:40,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-09 00:20:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:40,994 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:41,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:20:41,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:41,315 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 23 proven. 34 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2024-11-09 00:20:41,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-09 00:20:50,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:50,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 204 states and 833 transitions. [2024-11-09 00:20:50,298 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 833 transitions. [2024-11-09 00:20:50,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 00:20:50,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:50,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:50,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:50,305 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:50,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-09 00:20:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:50,547 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:50,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:20:50,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 24 proven. 252 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 00:20:50,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:58,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:58,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 208 states and 839 transitions. [2024-11-09 00:20:58,770 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 839 transitions. [2024-11-09 00:20:58,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 00:20:58,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:58,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:58,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:58,775 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:58,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-09 00:20:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:58,985 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:59,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:20:59,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:00,436 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 00:21:00,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-09 00:21:08,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:08,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 210 states and 853 transitions. [2024-11-09 00:21:08,846 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 853 transitions. [2024-11-09 00:21:08,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 00:21:08,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:08,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:08,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:08,852 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:08,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-09 00:21:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:08,928 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:08,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:21:08,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:09,180 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 57 proven. 47 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-11-09 00:21:09,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-09 00:21:26,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:26,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 213 states and 859 transitions. [2024-11-09 00:21:26,181 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 859 transitions. [2024-11-09 00:21:26,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 00:21:26,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:26,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:26,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:26,186 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:26,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-09 00:21:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:26,305 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:26,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:21:26,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:26,495 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-09 00:21:26,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-09 00:21:31,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:31,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 215 states and 860 transitions. [2024-11-09 00:21:31,422 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 860 transitions. [2024-11-09 00:21:31,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 00:21:31,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:31,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:31,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:31,427 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:31,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5593cbe8-4b8f-4989-aaf1-fc6124ae52b2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-09 00:21:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:31,517 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:31,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:21:31,604 INFO L278 TraceCheckSpWp]: Computing forward predicates...