./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d16_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d16_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm --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 5b1736736c06966e3b4f5adb4865787ef8bbb0ebdf6c77cc2a8afb60cf5fc8db --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:34:09,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:34:09,568 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:34:09,576 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:34:09,585 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:34:09,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:34:09,645 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:34:09,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:34:09,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:34:09,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:34:09,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:34:09,646 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:34:09,646 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:34:09,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:34:09,647 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:34:09,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:34:09,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:34:09,647 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:34:09,647 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:34:09,647 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:34:09,647 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:34:09,647 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:34:09,648 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:34:09,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:34:09,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:34:09,652 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:34:09,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:34:09,652 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:34:09,652 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:34:09,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:34:09,653 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_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm 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 -> 5b1736736c06966e3b4f5adb4865787ef8bbb0ebdf6c77cc2a8afb60cf5fc8db [2024-11-13 21:34:10,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:34:10,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:34:10,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:34:10,116 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:34:10,117 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:34:10,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d16_e0.c Unable to find full path for "g++" [2024-11-13 21:34:12,312 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:34:12,680 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:34:12,682 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d16_e0.c [2024-11-13 21:34:12,695 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/data/689d84b8f/019d5e870d5c478ca3992cbe9aa7a626/FLAG43dcb8db8 [2024-11-13 21:34:12,712 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/data/689d84b8f/019d5e870d5c478ca3992cbe9aa7a626 [2024-11-13 21:34:12,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:34:12,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:34:12,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:34:12,719 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:34:12,725 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:34:12,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:34:12" (1/1) ... [2024-11-13 21:34:12,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b1859a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:12, skipping insertion in model container [2024-11-13 21:34:12,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:34:12" (1/1) ... [2024-11-13 21:34:12,799 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:34:13,019 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_d75656cf-ab14-433e-b6c3-6667aed66b08/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d16_e0.c[1279,1292] [2024-11-13 21:34:13,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:34:13,376 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:34:13,387 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_d75656cf-ab14-433e-b6c3-6667aed66b08/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d16_e0.c[1279,1292] [2024-11-13 21:34:13,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:34:13,621 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:34:13,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:13 WrapperNode [2024-11-13 21:34:13,622 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:34:13,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:34:13,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:34:13,624 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:34:13,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:13" (1/1) ... [2024-11-13 21:34:13,683 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:13" (1/1) ... [2024-11-13 21:34:14,042 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1976 [2024-11-13 21:34:14,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:34:14,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:34:14,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:34:14,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:34:14,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:13" (1/1) ... [2024-11-13 21:34:14,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:13" (1/1) ... [2024-11-13 21:34:14,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:13" (1/1) ... [2024-11-13 21:34:14,092 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:13" (1/1) ... [2024-11-13 21:34:14,168 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:13" (1/1) ... [2024-11-13 21:34:14,234 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:13" (1/1) ... [2024-11-13 21:34:14,269 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:13" (1/1) ... [2024-11-13 21:34:14,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:13" (1/1) ... [2024-11-13 21:34:14,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:34:14,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:34:14,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:34:14,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:34:14,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:13" (1/1) ... [2024-11-13 21:34:14,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:34:14,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:34:14,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:34:14,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:34:14,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:34:14,435 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:34:14,435 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:34:14,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:34:14,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:34:14,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:34:14,868 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:34:14,870 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:34:18,317 INFO L? ?]: Removed 1091 outVars from TransFormulas that were not future-live. [2024-11-13 21:34:18,318 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:34:21,846 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:34:21,846 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:34:21,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:34:21 BoogieIcfgContainer [2024-11-13 21:34:21,847 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:34:21,848 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:34:21,848 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:34:21,859 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:34:21,859 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:34:21" (1/1) ... [2024-11-13 21:34:21,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:34:21,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:21,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 21:34:21,943 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 21:34:21,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:34:21,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:21,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:26,061 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:34:27,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:34:28,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:28,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-11-13 21:34:28,139 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-11-13 21:34:28,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:34:28,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:28,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:34:45,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:35:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:35:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:35:12,144 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) [2024-11-13 21:35:12,151 INFO L158 Benchmark]: Toolchain (without parser) took 59433.94ms. Allocated memory was 117.4MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 90.4MB in the beginning and 779.8MB in the end (delta: -689.4MB). Peak memory consumption was 831.8MB. Max. memory is 16.1GB. [2024-11-13 21:35:12,155 INFO L158 Benchmark]: CDTParser took 1.17ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:35:12,157 INFO L158 Benchmark]: CACSL2BoogieTranslator took 904.43ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 52.2MB in the end (delta: 38.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 21:35:12,158 INFO L158 Benchmark]: Boogie Procedure Inliner took 419.63ms. Allocated memory is still 117.4MB. Free memory was 52.2MB in the beginning and 55.4MB in the end (delta: -3.2MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2024-11-13 21:35:12,158 INFO L158 Benchmark]: Boogie Preprocessor took 299.30ms. Allocated memory is still 117.4MB. Free memory was 55.4MB in the beginning and 53.6MB in the end (delta: 1.8MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2024-11-13 21:35:12,159 INFO L158 Benchmark]: RCFGBuilder took 7502.40ms. Allocated memory was 117.4MB in the beginning and 553.6MB in the end (delta: 436.2MB). Free memory was 53.6MB in the beginning and 422.2MB in the end (delta: -368.7MB). Peak memory consumption was 332.7MB. Max. memory is 16.1GB. [2024-11-13 21:35:12,162 INFO L158 Benchmark]: CodeCheck took 50301.85ms. Allocated memory was 553.6MB in the beginning and 1.6GB in the end (delta: 1.1GB). Free memory was 422.2MB in the beginning and 779.8MB in the end (delta: -357.6MB). Peak memory consumption was 730.7MB. Max. memory is 16.1GB. [2024-11-13 21:35:12,168 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 1.17ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 904.43ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 52.2MB in the end (delta: 38.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 419.63ms. Allocated memory is still 117.4MB. Free memory was 52.2MB in the beginning and 55.4MB in the end (delta: -3.2MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 299.30ms. Allocated memory is still 117.4MB. Free memory was 55.4MB in the beginning and 53.6MB in the end (delta: 1.8MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. * RCFGBuilder took 7502.40ms. Allocated memory was 117.4MB in the beginning and 553.6MB in the end (delta: 436.2MB). Free memory was 53.6MB in the beginning and 422.2MB in the end (delta: -368.7MB). Peak memory consumption was 332.7MB. Max. memory is 16.1GB. * CodeCheck took 50301.85ms. Allocated memory was 553.6MB in the beginning and 1.6GB in the end (delta: 1.1GB). Free memory was 422.2MB in the beginning and 779.8MB in the end (delta: -357.6MB). Peak memory consumption was 730.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:35:12,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/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_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d16_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm --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 5b1736736c06966e3b4f5adb4865787ef8bbb0ebdf6c77cc2a8afb60cf5fc8db --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:35:15,142 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:35:15,288 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 21:35:15,340 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:35:15,341 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:35:15,341 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:35:15,342 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:35:15,342 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:35:15,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:35:15,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:35:15,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:35:15,343 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:35:15,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:35:15,343 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:35:15,343 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:35:15,344 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:35:15,344 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:35:15,344 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:35:15,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:35:15,344 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:35:15,345 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:35:15,345 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:35:15,345 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:35:15,345 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:35:15,345 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:35:15,345 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:35:15,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:35:15,346 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:35:15,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:35:15,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:35:15,346 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:35:15,346 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:35:15,347 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:35:15,347 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_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm 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 -> 5b1736736c06966e3b4f5adb4865787ef8bbb0ebdf6c77cc2a8afb60cf5fc8db [2024-11-13 21:35:15,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:35:15,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:35:15,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:35:15,745 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:35:15,749 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:35:15,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d16_e0.c Unable to find full path for "g++" [2024-11-13 21:35:17,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:35:18,301 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:35:18,302 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d16_e0.c [2024-11-13 21:35:18,318 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/data/93c3a9eac/14522265717c40349590d33569c2b905/FLAGebbf806c5 [2024-11-13 21:35:18,485 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/data/93c3a9eac/14522265717c40349590d33569c2b905 [2024-11-13 21:35:18,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:35:18,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:35:18,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:35:18,494 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:35:18,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:35:18,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:35:18" (1/1) ... [2024-11-13 21:35:18,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3086cb97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:18, skipping insertion in model container [2024-11-13 21:35:18,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:35:18" (1/1) ... [2024-11-13 21:35:18,568 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:35:18,759 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_d75656cf-ab14-433e-b6c3-6667aed66b08/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d16_e0.c[1279,1292] [2024-11-13 21:35:19,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:35:19,056 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:35:19,068 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_d75656cf-ab14-433e-b6c3-6667aed66b08/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w8_d16_e0.c[1279,1292] [2024-11-13 21:35:19,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:35:19,215 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:35:19,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:19 WrapperNode [2024-11-13 21:35:19,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:35:19,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:35:19,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:35:19,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:35:19,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:19" (1/1) ... [2024-11-13 21:35:19,268 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:19" (1/1) ... [2024-11-13 21:35:19,392 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 912 [2024-11-13 21:35:19,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:35:19,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:35:19,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:35:19,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:35:19,410 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:19" (1/1) ... [2024-11-13 21:35:19,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:19" (1/1) ... [2024-11-13 21:35:19,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:19" (1/1) ... [2024-11-13 21:35:19,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:19" (1/1) ... [2024-11-13 21:35:19,473 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:19" (1/1) ... [2024-11-13 21:35:19,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:19" (1/1) ... [2024-11-13 21:35:19,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:19" (1/1) ... [2024-11-13 21:35:19,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:19" (1/1) ... [2024-11-13 21:35:19,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:35:19,517 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:35:19,517 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:35:19,517 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:35:19,518 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:35:19" (1/1) ... [2024-11-13 21:35:19,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:35:19,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:35:19,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:35:19,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:35:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:35:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:35:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:35:19,607 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:35:19,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:35:19,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:35:19,904 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:35:19,906 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:35:21,094 INFO L? ?]: Removed 271 outVars from TransFormulas that were not future-live. [2024-11-13 21:35:21,094 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:35:21,177 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:35:21,177 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:35:21,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:35:21 BoogieIcfgContainer [2024-11-13 21:35:21,179 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:35:21,180 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:35:21,180 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:35:21,194 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:35:21,194 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:35:21" (1/1) ... [2024-11-13 21:35:21,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:35:21,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:21,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 21:35:21,266 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 21:35:21,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:35:21,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:21,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:35:21,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:35:21,277 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:35:21,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:35:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:22,060 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:35:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:22,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:35:22,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:35:22,757 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:35:22,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:35:23,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:23,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-13 21:35:23,238 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-13 21:35:23,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:35:23,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:23,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:35:23,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:35:23,244 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:35:23,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:35:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:24,428 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:35:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:24,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 21:35:24,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:35:25,864 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-13 21:35:25,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:35:28,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:28,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 53 transitions. [2024-11-13 21:35:28,226 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2024-11-13 21:35:28,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:35:28,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:28,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:35:28,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:35:28,230 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:35:28,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:35:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:29,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:35:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:30,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-11-13 21:35:30,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:35:35,442 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 21:35:35,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:35:44,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:44,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 59 states and 102 transitions. [2024-11-13 21:35:44,218 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 102 transitions. [2024-11-13 21:35:44,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 21:35:44,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:44,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:35:44,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:35:44,228 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:35:44,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:35:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:46,849 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:35:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:47,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 1232 conjuncts, 237 conjuncts are in the unsatisfiable core [2024-11-13 21:35:47,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:37:04,249 WARN L286 SmtUtils]: Spent 34.53s on a formula simplification. DAG size of input: 374 DAG size of output: 327 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:37:28,429 WARN L286 SmtUtils]: Spent 21.91s on a formula simplification that was a NOOP. DAG size: 337 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:37:38,833 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 15 proven. 71 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-13 21:37:38,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:38:24,344 WARN L286 SmtUtils]: Spent 10.99s on a formula simplification. DAG size of input: 404 DAG size of output: 329 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:39:44,823 WARN L286 SmtUtils]: Spent 31.18s on a formula simplification that was a NOOP. DAG size: 339 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:39:54,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:40:47,291 WARN L286 SmtUtils]: Spent 31.14s on a formula simplification. DAG size of input: 425 DAG size of output: 339 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:41:01,625 WARN L286 SmtUtils]: Spent 11.75s on a formula simplification that was a NOOP. DAG size: 338 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:42:08,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:42:41,248 WARN L286 SmtUtils]: Spent 11.44s on a formula simplification. DAG size of input: 407 DAG size of output: 332 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:43:01,000 WARN L286 SmtUtils]: Spent 17.19s on a formula simplification that was a NOOP. DAG size: 331 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:43:48,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:43:58,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:44:08,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:44:18,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:44:28,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:44:38,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:44:49,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:44:59,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:45:09,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:45:19,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:45:19,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:19,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 89 states and 175 transitions. [2024-11-13 21:45:19,625 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 175 transitions. [2024-11-13 21:45:19,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 21:45:19,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:19,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:45:19,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:45:19,634 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:45:19,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d75656cf-ab14-433e-b6c3-6667aed66b08/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:45:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:22,660 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:45:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:23,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 1232 conjuncts, 211 conjuncts are in the unsatisfiable core [2024-11-13 21:45:23,412 INFO L278 TraceCheckSpWp]: Computing forward predicates...