./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2f2704c4e2c6d7f64d9e04a1e2386cc75b096498be0071ea7fbc37af2938bd44 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:30:52,955 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:30:53,057 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 04:30:53,065 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:30:53,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:30:53,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:30:53,103 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:30:53,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:30:53,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:30:53,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:30:53,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:30:53,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:30:53,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:30:53,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:30:53,107 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:30:53,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:30:53,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:30:53,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:30:53,107 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:30:53,108 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:30:53,108 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:30:53,108 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:30:53,108 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:30:53,109 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:30:53,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:30:53,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:30:53,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:30:53,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:30:53,109 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:30:53,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:30:53,110 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f2704c4e2c6d7f64d9e04a1e2386cc75b096498be0071ea7fbc37af2938bd44 [2024-11-25 04:30:53,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:30:53,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:30:53,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:30:53,494 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:30:53,495 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:30:53,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c [2024-11-25 04:30:56,561 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/data/2ac04a008/21cb50d59ca84676a65bf7c121fa17a3/FLAG438060567 [2024-11-25 04:30:56,928 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:30:56,930 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c [2024-11-25 04:30:56,949 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/data/2ac04a008/21cb50d59ca84676a65bf7c121fa17a3/FLAG438060567 [2024-11-25 04:30:56,978 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/data/2ac04a008/21cb50d59ca84676a65bf7c121fa17a3 [2024-11-25 04:30:56,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:30:56,985 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:30:56,987 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:30:56,988 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:30:56,993 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:30:56,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:30:56" (1/1) ... [2024-11-25 04:30:56,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a32c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:56, skipping insertion in model container [2024-11-25 04:30:56,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:30:56" (1/1) ... [2024-11-25 04:30:57,063 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:30:57,329 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_3784dde6-3416-49ea-b188-ce784f93641a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c[1313,1326] [2024-11-25 04:30:57,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:30:57,735 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:30:57,747 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_3784dde6-3416-49ea-b188-ce784f93641a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c[1313,1326] [2024-11-25 04:30:57,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:30:57,937 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:30:57,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:57 WrapperNode [2024-11-25 04:30:57,938 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:30:57,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:30:57,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:30:57,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:30:57,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:57" (1/1) ... [2024-11-25 04:30:57,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:57" (1/1) ... [2024-11-25 04:30:58,224 INFO L138 Inliner]: procedures = 17, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2365 [2024-11-25 04:30:58,224 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:30:58,225 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:30:58,225 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:30:58,225 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:30:58,234 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:57" (1/1) ... [2024-11-25 04:30:58,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:57" (1/1) ... [2024-11-25 04:30:58,276 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:57" (1/1) ... [2024-11-25 04:30:58,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:57" (1/1) ... [2024-11-25 04:30:58,374 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:57" (1/1) ... [2024-11-25 04:30:58,394 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:57" (1/1) ... [2024-11-25 04:30:58,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:57" (1/1) ... [2024-11-25 04:30:58,500 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:57" (1/1) ... [2024-11-25 04:30:58,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:57" (1/1) ... [2024-11-25 04:30:58,560 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:30:58,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:30:58,563 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:30:58,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:30:58,565 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:30:57" (1/1) ... [2024-11-25 04:30:58,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:30:58,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:30:58,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:30:58,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:30:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:30:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:30:58,644 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:30:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:30:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:30:58,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:30:58,982 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:30:58,984 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:31:03,065 INFO L? ?]: Removed 1210 outVars from TransFormulas that were not future-live. [2024-11-25 04:31:03,066 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:31:07,915 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:31:07,916 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:31:07,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:31:07 BoogieIcfgContainer [2024-11-25 04:31:07,916 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:31:07,917 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:31:07,917 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:31:07,927 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:31:07,927 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:31:07" (1/1) ... [2024-11-25 04:31:07,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:31:07,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:07,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-25 04:31:07,996 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-25 04:31:08,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:31:08,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:08,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:31:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:31:17,946 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:31:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:31:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:31:34,227 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) [2024-11-25 04:31:34,238 INFO L158 Benchmark]: Toolchain (without parser) took 37249.26ms. Allocated memory was 117.4MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 92.4MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 277.1MB. Max. memory is 16.1GB. [2024-11-25 04:31:34,241 INFO L158 Benchmark]: CDTParser took 1.55ms. Allocated memory is still 167.8MB. Free memory was 103.2MB in the beginning and 102.9MB in the end (delta: 216.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:31:34,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 951.24ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 52.9MB in the end (delta: 39.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 04:31:34,242 INFO L158 Benchmark]: Boogie Procedure Inliner took 285.57ms. Allocated memory is still 117.4MB. Free memory was 52.9MB in the beginning and 60.6MB in the end (delta: -7.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-25 04:31:34,242 INFO L158 Benchmark]: Boogie Preprocessor took 335.74ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 60.6MB in the beginning and 297.4MB in the end (delta: -236.8MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2024-11-25 04:31:34,247 INFO L158 Benchmark]: RCFGBuilder took 9353.84ms. Allocated memory was 352.3MB in the beginning and 562.0MB in the end (delta: 209.7MB). Free memory was 297.4MB in the beginning and 368.6MB in the end (delta: -71.2MB). Peak memory consumption was 371.0MB. Max. memory is 16.1GB. [2024-11-25 04:31:34,248 INFO L158 Benchmark]: CodeCheck took 26316.72ms. Allocated memory was 562.0MB in the beginning and 1.9GB in the end (delta: 1.3GB). Free memory was 368.6MB in the beginning and 1.6GB in the end (delta: -1.2GB). Peak memory consumption was 108.9MB. Max. memory is 16.1GB. [2024-11-25 04:31:34,251 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 1.55ms. Allocated memory is still 167.8MB. Free memory was 103.2MB in the beginning and 102.9MB in the end (delta: 216.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 951.24ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 52.9MB in the end (delta: 39.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 285.57ms. Allocated memory is still 117.4MB. Free memory was 52.9MB in the beginning and 60.6MB in the end (delta: -7.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 335.74ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 60.6MB in the beginning and 297.4MB in the end (delta: -236.8MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * RCFGBuilder took 9353.84ms. Allocated memory was 352.3MB in the beginning and 562.0MB in the end (delta: 209.7MB). Free memory was 297.4MB in the beginning and 368.6MB in the end (delta: -71.2MB). Peak memory consumption was 371.0MB. Max. memory is 16.1GB. * CodeCheck took 26316.72ms. Allocated memory was 562.0MB in the beginning and 1.9GB in the end (delta: 1.3GB). Free memory was 368.6MB in the beginning and 1.6GB in the end (delta: -1.2GB). Peak memory consumption was 108.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:31:34,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2f2704c4e2c6d7f64d9e04a1e2386cc75b096498be0071ea7fbc37af2938bd44 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:31:37,421 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:31:37,577 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 04:31:37,609 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:31:37,610 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:31:37,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:31:37,611 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:31:37,611 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:31:37,611 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:31:37,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:31:37,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:31:37,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:31:37,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:31:37,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:31:37,616 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:31:37,616 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:31:37,617 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:31:37,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:31:37,617 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:31:37,617 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:31:37,617 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:31:37,617 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:31:37,617 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:31:37,617 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:37,618 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:31:37,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:31:37,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:31:37,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:31:37,618 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:31:37,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:31:37,618 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:31:37,619 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:37,619 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:31:37,619 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f2704c4e2c6d7f64d9e04a1e2386cc75b096498be0071ea7fbc37af2938bd44 [2024-11-25 04:31:37,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:31:38,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:31:38,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:31:38,011 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:31:38,011 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:31:38,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c [2024-11-25 04:31:41,199 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/data/a2a123f4e/b0cf9893f348438f85c2be26252189f2/FLAGf8de86c32 [2024-11-25 04:31:41,625 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:31:41,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c [2024-11-25 04:31:41,640 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/data/a2a123f4e/b0cf9893f348438f85c2be26252189f2/FLAGf8de86c32 [2024-11-25 04:31:41,781 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/data/a2a123f4e/b0cf9893f348438f85c2be26252189f2 [2024-11-25 04:31:41,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:31:41,788 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:31:41,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:31:41,792 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:31:41,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:31:41,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:31:41" (1/1) ... [2024-11-25 04:31:41,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c46feb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:41, skipping insertion in model container [2024-11-25 04:31:41,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:31:41" (1/1) ... [2024-11-25 04:31:41,869 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:31:42,115 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_3784dde6-3416-49ea-b188-ce784f93641a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c[1313,1326] [2024-11-25 04:31:42,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:31:42,491 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:31:42,503 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_3784dde6-3416-49ea-b188-ce784f93641a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c[1313,1326] [2024-11-25 04:31:42,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:31:42,715 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:31:42,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:42 WrapperNode [2024-11-25 04:31:42,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:31:42,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:31:42,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:31:42,717 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:31:42,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:42" (1/1) ... [2024-11-25 04:31:42,764 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:42" (1/1) ... [2024-11-25 04:31:42,839 INFO L138 Inliner]: procedures = 17, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 761 [2024-11-25 04:31:42,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:31:42,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:31:42,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:31:42,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:31:42,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:42" (1/1) ... [2024-11-25 04:31:42,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:42" (1/1) ... [2024-11-25 04:31:42,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:42" (1/1) ... [2024-11-25 04:31:42,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:42" (1/1) ... [2024-11-25 04:31:42,897 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:42" (1/1) ... [2024-11-25 04:31:42,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:42" (1/1) ... [2024-11-25 04:31:42,903 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:42" (1/1) ... [2024-11-25 04:31:42,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:42" (1/1) ... [2024-11-25 04:31:42,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:42" (1/1) ... [2024-11-25 04:31:42,935 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:31:42,936 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:31:42,936 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:31:42,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:31:42,937 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:42" (1/1) ... [2024-11-25 04:31:42,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:31:42,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:31:42,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:31:42,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:31:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:31:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:31:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:31:43,018 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:31:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:31:43,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:31:43,367 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:31:43,369 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:31:45,051 INFO L? ?]: Removed 344 outVars from TransFormulas that were not future-live. [2024-11-25 04:31:45,052 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:31:45,161 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:31:45,162 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:31:45,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:31:45 BoogieIcfgContainer [2024-11-25 04:31:45,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:31:45,163 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:31:45,163 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:31:45,176 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:31:45,176 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:31:45" (1/1) ... [2024-11-25 04:31:45,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:31:45,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:45,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-25 04:31:45,261 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-25 04:31:45,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:31:45,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:45,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:45,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:45,274 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:45,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:31:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:46,018 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:46,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:31:46,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:46,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:31:46,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:31:48,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:48,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-25 04:31:48,043 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-25 04:31:48,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 04:31:48,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:48,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:48,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:48,048 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:48,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:31:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:49,135 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:49,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-25 04:31:49,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:50,842 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 04:31:50,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 04:31:57,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:57,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-25 04:31:57,700 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-25 04:31:57,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 04:31:57,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:57,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:57,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:57,705 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:57,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 04:31:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:59,109 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:59,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 04:31:59,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:32:01,461 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-25 04:32:01,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-25 04:32:11,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:11,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 57 transitions. [2024-11-25 04:32:11,817 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-25 04:32:11,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-25 04:32:11,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:11,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:32:11,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:32:11,820 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:32:11,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 04:32:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:13,728 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:32:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:14,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 1156 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-25 04:32:14,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:32:19,106 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-25 04:32:19,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 04:32:42,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:42,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 63 states and 96 transitions. [2024-11-25 04:32:42,985 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2024-11-25 04:32:42,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-25 04:32:42,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:42,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:32:42,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:32:42,990 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:32:42,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 04:32:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:45,535 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:32:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:32:46,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 1428 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-25 04:32:46,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:32:51,776 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-25 04:32:51,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-25 04:33:06,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:06,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 75 states and 114 transitions. [2024-11-25 04:33:06,580 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 114 transitions. [2024-11-25 04:33:06,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-25 04:33:06,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:06,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:33:06,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:33:06,588 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:33:06,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 04:33:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:09,528 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:33:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:33:10,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 1700 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 04:33:10,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:33:17,553 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-25 04:33:17,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 04:33:37,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:33:37,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 87 states and 132 transitions. [2024-11-25 04:33:37,736 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 132 transitions. [2024-11-25 04:33:37,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-25 04:33:37,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:33:37,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:33:37,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:33:37,744 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:33:37,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3784dde6-3416-49ea-b188-ce784f93641a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 04:35:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:26,527 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:35:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:35:35,967 WARN L254 TraceCheckSpWp]: Trace formula consists of 1972 conjuncts, 1199 conjuncts are in the unsatisfiable core [2024-11-25 04:35:36,087 INFO L279 TraceCheckSpWp]: Computing forward predicates...