./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/Haystacks-07.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/Haystacks-07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 37cca93bb7dc8cf168b28f2ca23bfa0068547531ceecfc239eae366d82d628a0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:11:41,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:11:41,288 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:11:41,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:11:41,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:11:41,313 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:11:41,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:11:41,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:11:41,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:11:41,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:11:41,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:11:41,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:11:41,315 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:11:41,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:11:41,315 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:11:41,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:11:41,315 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:11:41,315 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:11:41,316 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:11:41,316 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:11:41,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:11:41,316 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:11:41,316 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:11:41,316 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:11:41,316 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:11:41,316 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:11:41,316 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:11:41,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:11:41,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:11:41,317 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:11:41,317 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:11:41,317 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:11:41,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:11:41,317 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_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37cca93bb7dc8cf168b28f2ca23bfa0068547531ceecfc239eae366d82d628a0 [2024-12-06 00:11:41,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:11:41,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:11:41,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:11:41,558 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:11:41,558 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:11:41,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/xcsp/Haystacks-07.c [2024-12-06 00:11:44,185 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/data/8a30c9a1d/9577c7dfd2ca487383f6d8e7e6f5007c/FLAGff3cffbf1 [2024-12-06 00:11:44,433 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:11:44,434 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/sv-benchmarks/c/xcsp/Haystacks-07.c [2024-12-06 00:11:44,440 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/data/8a30c9a1d/9577c7dfd2ca487383f6d8e7e6f5007c/FLAGff3cffbf1 [2024-12-06 00:11:44,773 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/data/8a30c9a1d/9577c7dfd2ca487383f6d8e7e6f5007c [2024-12-06 00:11:44,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:11:44,775 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:11:44,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:11:44,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:11:44,779 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:11:44,780 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:11:44" (1/1) ... [2024-12-06 00:11:44,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4956b571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:44, skipping insertion in model container [2024-12-06 00:11:44,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:11:44" (1/1) ... [2024-12-06 00:11:44,802 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:11:44,999 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_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/sv-benchmarks/c/xcsp/Haystacks-07.c[11507,11520] [2024-12-06 00:11:45,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:11:45,015 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:11:45,065 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_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/sv-benchmarks/c/xcsp/Haystacks-07.c[11507,11520] [2024-12-06 00:11:45,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:11:45,081 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:11:45,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:45 WrapperNode [2024-12-06 00:11:45,081 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:11:45,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:11:45,082 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:11:45,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:11:45,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:45" (1/1) ... [2024-12-06 00:11:45,100 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:45" (1/1) ... [2024-12-06 00:11:45,134 INFO L138 Inliner]: procedures = 13, calls = 294, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 548 [2024-12-06 00:11:45,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:11:45,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:11:45,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:11:45,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:11:45,141 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:45" (1/1) ... [2024-12-06 00:11:45,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:45" (1/1) ... [2024-12-06 00:11:45,144 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:45" (1/1) ... [2024-12-06 00:11:45,144 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:45" (1/1) ... [2024-12-06 00:11:45,155 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:45" (1/1) ... [2024-12-06 00:11:45,157 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:45" (1/1) ... [2024-12-06 00:11:45,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:45" (1/1) ... [2024-12-06 00:11:45,162 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:45" (1/1) ... [2024-12-06 00:11:45,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:45" (1/1) ... [2024-12-06 00:11:45,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:11:45,169 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:11:45,169 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:11:45,169 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:11:45,170 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:45" (1/1) ... [2024-12-06 00:11:45,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:11:45,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:11:45,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:11:45,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:11:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:11:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:11:45,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:11:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:11:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2024-12-06 00:11:45,231 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2024-12-06 00:11:45,296 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:11:45,297 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:11:45,859 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 00:11:45,859 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:11:45,894 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:11:45,894 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:11:45,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:11:45 BoogieIcfgContainer [2024-12-06 00:11:45,894 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:11:45,895 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:11:45,895 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:11:45,904 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:11:45,905 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:11:45" (1/1) ... [2024-12-06 00:11:45,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:11:45,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:11:45,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 342 states and 627 transitions. [2024-12-06 00:11:45,976 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 627 transitions. [2024-12-06 00:11:46,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 913 [2024-12-06 00:11:46,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:11:46,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:11:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:11:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:11:57,752 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) [2024-12-06 00:11:57,756 INFO L158 Benchmark]: Toolchain (without parser) took 12980.42ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 92.1MB in the beginning and 151.1MB in the end (delta: -59.0MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2024-12-06 00:11:57,757 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:11:57,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.63ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 73.9MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:11:57,757 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.34ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 70.2MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:11:57,758 INFO L158 Benchmark]: Boogie Preprocessor took 32.89ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 68.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:11:57,758 INFO L158 Benchmark]: RCFGBuilder took 725.74ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 63.5MB in the end (delta: 4.6MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-12-06 00:11:57,759 INFO L158 Benchmark]: CodeCheck took 11860.00ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 63.5MB in the beginning and 151.1MB in the end (delta: -87.6MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-12-06 00:11:57,761 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.63ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 73.9MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.34ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 70.2MB in the end (delta: 3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.89ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 68.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 725.74ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 63.5MB in the end (delta: 4.6MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * CodeCheck took 11860.00ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 63.5MB in the beginning and 151.1MB in the end (delta: -87.6MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:11:57,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/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_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/Haystacks-07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 37cca93bb7dc8cf168b28f2ca23bfa0068547531ceecfc239eae366d82d628a0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:11:59,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:11:59,837 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:11:59,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:11:59,865 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:11:59,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:11:59,865 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:11:59,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:11:59,865 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:11:59,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:11:59,866 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:11:59,866 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:11:59,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:11:59,866 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:11:59,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:11:59,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:11:59,866 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:11:59,866 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:11:59,867 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:11:59,867 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:11:59,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:11:59,867 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:11:59,867 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:11:59,867 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:11:59,867 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:11:59,867 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:11:59,867 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:11:59,867 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:11:59,867 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:11:59,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:11:59,868 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:11:59,868 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:11:59,868 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:11:59,868 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:11:59,868 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:11:59,868 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:11:59,868 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_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37cca93bb7dc8cf168b28f2ca23bfa0068547531ceecfc239eae366d82d628a0 [2024-12-06 00:12:00,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:12:00,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:12:00,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:12:00,117 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:12:00,117 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:12:00,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/xcsp/Haystacks-07.c [2024-12-06 00:12:02,863 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/data/3b033c262/ee157516bee047048d8702ff144cc8e8/FLAG7a26d4008 [2024-12-06 00:12:03,055 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:12:03,056 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/sv-benchmarks/c/xcsp/Haystacks-07.c [2024-12-06 00:12:03,064 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/data/3b033c262/ee157516bee047048d8702ff144cc8e8/FLAG7a26d4008 [2024-12-06 00:12:03,411 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/data/3b033c262/ee157516bee047048d8702ff144cc8e8 [2024-12-06 00:12:03,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:12:03,413 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:12:03,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:12:03,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:12:03,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:12:03,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:12:03" (1/1) ... [2024-12-06 00:12:03,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3818232e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:03, skipping insertion in model container [2024-12-06 00:12:03,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:12:03" (1/1) ... [2024-12-06 00:12:03,434 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:12:03,605 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_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/sv-benchmarks/c/xcsp/Haystacks-07.c[11507,11520] [2024-12-06 00:12:03,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:12:03,620 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:12:03,665 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_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/sv-benchmarks/c/xcsp/Haystacks-07.c[11507,11520] [2024-12-06 00:12:03,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:12:03,681 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:12:03,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:03 WrapperNode [2024-12-06 00:12:03,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:12:03,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:12:03,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:12:03,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:12:03,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:03" (1/1) ... [2024-12-06 00:12:03,698 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:03" (1/1) ... [2024-12-06 00:12:03,728 INFO L138 Inliner]: procedures = 13, calls = 294, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 499 [2024-12-06 00:12:03,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:12:03,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:12:03,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:12:03,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:12:03,734 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:03" (1/1) ... [2024-12-06 00:12:03,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:03" (1/1) ... [2024-12-06 00:12:03,739 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:03" (1/1) ... [2024-12-06 00:12:03,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:03" (1/1) ... [2024-12-06 00:12:03,753 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:03" (1/1) ... [2024-12-06 00:12:03,755 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:03" (1/1) ... [2024-12-06 00:12:03,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:03" (1/1) ... [2024-12-06 00:12:03,759 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:03" (1/1) ... [2024-12-06 00:12:03,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:03" (1/1) ... [2024-12-06 00:12:03,764 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:12:03,765 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:12:03,765 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:12:03,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:12:03,766 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:03" (1/1) ... [2024-12-06 00:12:03,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:12:03,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:12:03,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:12:03,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:12:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:12:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:12:03,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:12:03,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:12:03,819 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2024-12-06 00:12:03,819 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2024-12-06 00:12:03,913 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:12:03,915 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:12:04,461 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 00:12:04,461 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:12:04,500 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:12:04,500 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:12:04,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:12:04 BoogieIcfgContainer [2024-12-06 00:12:04,500 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:12:04,501 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:12:04,501 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:12:04,511 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:12:04,511 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:12:04" (1/1) ... [2024-12-06 00:12:04,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:12:04,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:04,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 342 states and 627 transitions. [2024-12-06 00:12:04,573 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 627 transitions. [2024-12-06 00:12:04,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 913 [2024-12-06 00:12:04,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:04,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:04,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:04,614 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:04,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8ea7bc-4484-4aee-9d31-5d0b7c8d1fec/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:12:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:09,982 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:13,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 1497 conjuncts, 558 conjuncts are in the unsatisfiable core [2024-12-06 00:12:13,972 INFO L279 TraceCheckSpWp]: Computing forward predicates...