./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/Haystacks-06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/Haystacks-06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL --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 36597d7b6e4e15d0ddc667c8d3f7adfa630047456c5216e84008cdd50b82effa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:01:48,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:01:48,586 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:01:48,591 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:01:48,592 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:01:48,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:01:48,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:01:48,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:01:48,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:01:48,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:01:48,625 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:01:48,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:01:48,626 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:01:48,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:01:48,629 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:01:48,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:01:48,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:01:48,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:01:48,636 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:01:48,637 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:01:48,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:01:48,638 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:01:48,638 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:01:48,639 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:01:48,639 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:01:48,639 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:01:48,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:01:48,641 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:01:48,641 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:01:48,642 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:01:48,643 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:01:48,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:01:48,644 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:01:48,644 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36597d7b6e4e15d0ddc667c8d3f7adfa630047456c5216e84008cdd50b82effa [2023-11-19 03:01:48,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:01:48,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:01:48,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:01:48,919 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:01:48,919 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:01:48,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/xcsp/Haystacks-06.c [2023-11-19 03:01:52,020 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:01:52,308 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:01:52,308 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/sv-benchmarks/c/xcsp/Haystacks-06.c [2023-11-19 03:01:52,334 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/data/3721620be/a62c23b58f1b49909ad02322eb33b510/FLAG640197ddd [2023-11-19 03:01:52,359 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/data/3721620be/a62c23b58f1b49909ad02322eb33b510 [2023-11-19 03:01:52,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:01:52,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:01:52,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:01:52,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:01:52,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:01:52,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:52" (1/1) ... [2023-11-19 03:01:52,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9f5ba1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:52, skipping insertion in model container [2023-11-19 03:01:52,379 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:52" (1/1) ... [2023-11-19 03:01:52,438 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:01:52,685 WARN L240 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_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/sv-benchmarks/c/xcsp/Haystacks-06.c[8053,8066] [2023-11-19 03:01:52,706 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:01:52,719 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:01:52,799 WARN L240 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_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/sv-benchmarks/c/xcsp/Haystacks-06.c[8053,8066] [2023-11-19 03:01:52,813 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:01:52,832 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:01:52,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:52 WrapperNode [2023-11-19 03:01:52,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:01:52,833 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:01:52,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:01:52,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:01:52,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:52" (1/1) ... [2023-11-19 03:01:52,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:52" (1/1) ... [2023-11-19 03:01:52,903 INFO L138 Inliner]: procedures = 13, calls = 199, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 388 [2023-11-19 03:01:52,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:01:52,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:01:52,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:01:52,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:01:52,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:52" (1/1) ... [2023-11-19 03:01:52,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:52" (1/1) ... [2023-11-19 03:01:52,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:52" (1/1) ... [2023-11-19 03:01:52,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:52" (1/1) ... [2023-11-19 03:01:52,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:52" (1/1) ... [2023-11-19 03:01:52,946 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:52" (1/1) ... [2023-11-19 03:01:52,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:52" (1/1) ... [2023-11-19 03:01:52,959 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:52" (1/1) ... [2023-11-19 03:01:52,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:01:52,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:01:52,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:01:52,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:01:52,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:52" (1/1) ... [2023-11-19 03:01:52,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:01:52,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:01:53,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:01:53,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:01:53,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:01:53,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:01:53,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:01:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:01:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2023-11-19 03:01:53,062 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2023-11-19 03:01:53,175 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:01:53,178 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:01:53,832 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:01:53,877 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:01:53,877 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:01:53,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:53 BoogieIcfgContainer [2023-11-19 03:01:53,889 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:01:53,890 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:01:53,890 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:01:53,901 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:01:53,901 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:01:53,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:53,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 234 states and 424 transitions. [2023-11-19 03:01:53,973 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 424 transitions. [2023-11-19 03:01:54,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2023-11-19 03:01:54,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:54,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 03:02:04,892 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:488) 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) [2023-11-19 03:02:04,895 INFO L158 Benchmark]: Toolchain (without parser) took 12530.02ms. Allocated memory is still 199.2MB. Free memory was 154.0MB in the beginning and 72.1MB in the end (delta: 81.9MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2023-11-19 03:02:04,896 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:02:04,896 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.68ms. Allocated memory is still 199.2MB. Free memory was 153.9MB in the beginning and 137.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:02:04,897 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.41ms. Allocated memory is still 199.2MB. Free memory was 137.8MB in the beginning and 134.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:02:04,898 INFO L158 Benchmark]: Boogie Preprocessor took 64.04ms. Allocated memory is still 199.2MB. Free memory was 134.5MB in the beginning and 132.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:02:04,898 INFO L158 Benchmark]: RCFGBuilder took 920.38ms. Allocated memory is still 199.2MB. Free memory was 132.9MB in the beginning and 150.7MB in the end (delta: -17.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 03:02:04,899 INFO L158 Benchmark]: CodeCheck took 11004.01ms. Allocated memory is still 199.2MB. Free memory was 150.7MB in the beginning and 72.1MB in the end (delta: 78.6MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2023-11-19 03:02:04,906 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:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.68ms. Allocated memory is still 199.2MB. Free memory was 153.9MB in the beginning and 137.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.41ms. Allocated memory is still 199.2MB. Free memory was 137.8MB in the beginning and 134.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.04ms. Allocated memory is still 199.2MB. Free memory was 134.5MB in the beginning and 132.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 920.38ms. Allocated memory is still 199.2MB. Free memory was 132.9MB in the beginning and 150.7MB in the end (delta: -17.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 11004.01ms. Allocated memory is still 199.2MB. Free memory was 150.7MB in the beginning and 72.1MB in the end (delta: 78.6MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:02:04,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/Haystacks-06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL --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 36597d7b6e4e15d0ddc667c8d3f7adfa630047456c5216e84008cdd50b82effa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:02:07,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:02:07,775 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:02:07,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:02:07,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:02:07,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:02:07,838 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:02:07,838 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:02:07,839 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:02:07,839 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:02:07,840 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:02:07,841 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:02:07,841 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:02:07,842 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:02:07,842 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:02:07,843 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:02:07,843 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:02:07,844 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:02:07,844 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:02:07,845 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:02:07,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:02:07,846 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:02:07,847 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:02:07,847 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:02:07,847 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:02:07,848 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:02:07,848 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:02:07,849 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:02:07,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:07,850 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:02:07,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:02:07,851 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:02:07,851 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:02:07,851 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:02:07,852 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:02:07,852 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:02:07,852 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:02:07,853 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36597d7b6e4e15d0ddc667c8d3f7adfa630047456c5216e84008cdd50b82effa [2023-11-19 03:02:08,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:02:08,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:02:08,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:02:08,328 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:02:08,329 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:02:08,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/xcsp/Haystacks-06.c [2023-11-19 03:02:11,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:02:11,946 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:02:11,947 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/sv-benchmarks/c/xcsp/Haystacks-06.c [2023-11-19 03:02:11,957 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/data/c48f58f4f/16b94972537a4b409e71c13daac76ef1/FLAG05ca13d4d [2023-11-19 03:02:11,984 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/data/c48f58f4f/16b94972537a4b409e71c13daac76ef1 [2023-11-19 03:02:11,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:02:11,988 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:02:11,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:11,990 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:02:12,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:02:12,011 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:11" (1/1) ... [2023-11-19 03:02:12,012 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12b6dc3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:12, skipping insertion in model container [2023-11-19 03:02:12,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:11" (1/1) ... [2023-11-19 03:02:12,068 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:02:12,349 WARN L240 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_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/sv-benchmarks/c/xcsp/Haystacks-06.c[8053,8066] [2023-11-19 03:02:12,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:12,386 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:02:12,439 WARN L240 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_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/sv-benchmarks/c/xcsp/Haystacks-06.c[8053,8066] [2023-11-19 03:02:12,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:12,457 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:02:12,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:12 WrapperNode [2023-11-19 03:02:12,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:12,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:12,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:02:12,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:02:12,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:12" (1/1) ... [2023-11-19 03:02:12,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:12" (1/1) ... [2023-11-19 03:02:12,523 INFO L138 Inliner]: procedures = 13, calls = 199, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 352 [2023-11-19 03:02:12,524 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:12,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:02:12,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:02:12,525 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:02:12,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:12" (1/1) ... [2023-11-19 03:02:12,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:12" (1/1) ... [2023-11-19 03:02:12,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:12" (1/1) ... [2023-11-19 03:02:12,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:12" (1/1) ... [2023-11-19 03:02:12,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:12" (1/1) ... [2023-11-19 03:02:12,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:12" (1/1) ... [2023-11-19 03:02:12,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:12" (1/1) ... [2023-11-19 03:02:12,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:12" (1/1) ... [2023-11-19 03:02:12,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:02:12,570 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:02:12,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:02:12,570 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:02:12,571 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:12" (1/1) ... [2023-11-19 03:02:12,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:12,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:02:12,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:02:12,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:02:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:02:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:02:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:02:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:02:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2023-11-19 03:02:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2023-11-19 03:02:12,769 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:02:12,771 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:02:13,319 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:02:13,369 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:02:13,372 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:02:13,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:02:13 BoogieIcfgContainer [2023-11-19 03:02:13,406 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:02:13,408 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:02:13,408 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:02:13,418 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:02:13,418 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:02:13" (1/1) ... [2023-11-19 03:02:13,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:02:13,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:13,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 234 states and 424 transitions. [2023-11-19 03:02:13,529 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 424 transitions. [2023-11-19 03:02:13,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2023-11-19 03:02:13,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:13,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:02:13,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:02:13,589 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:02:13,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd41faf-64d4-46cd-a0cd-43f8bcbf5cbb/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:02:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:16,730 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:02:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:18,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 1202 conjuncts, 555 conjunts are in the unsatisfiable core [2023-11-19 03:02:18,667 INFO L285 TraceCheckSpWp]: Computing forward predicates...