./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal168.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/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_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal168.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/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 64bit --witnessprinter.graph.data.programhash 28fc54ae869369c3e762514601c6878e257d71939b78dce07ca35a7ee0a528b0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:42:41,605 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:42:41,656 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 01:42:41,659 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:42:41,659 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:42:41,676 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:42:41,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:42:41,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:42:41,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:42:41,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:42:41,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:42:41,678 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:42:41,678 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:42:41,678 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:42:41,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:42:41,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:42:41,679 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:42:41,679 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:42:41,679 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:42:41,679 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:42:41,679 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:42:41,679 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:42:41,679 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:42:41,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:42:41,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:42:41,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:42:41,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:42:41,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:42:41,680 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:42:41,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:42:41,680 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_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28fc54ae869369c3e762514601c6878e257d71939b78dce07ca35a7ee0a528b0 [2024-12-06 01:42:41,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:42:41,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:42:41,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:42:41,880 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:42:41,881 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:42:41,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal168.c [2024-12-06 01:42:44,567 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/data/0b8991448/3c757016e66e494eb15dd587293b0a68/FLAGecc50a9e0 [2024-12-06 01:42:45,029 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:42:45,029 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal168.c [2024-12-06 01:42:45,068 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/data/0b8991448/3c757016e66e494eb15dd587293b0a68/FLAGecc50a9e0 [2024-12-06 01:42:45,122 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/data/0b8991448/3c757016e66e494eb15dd587293b0a68 [2024-12-06 01:42:45,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:42:45,126 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:42:45,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:42:45,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:42:45,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:42:45,132 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:42:45" (1/1) ... [2024-12-06 01:42:45,133 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c935a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:45, skipping insertion in model container [2024-12-06 01:42:45,133 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:42:45" (1/1) ... [2024-12-06 01:42:45,285 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:42:45,563 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_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal168.c[1246,1259] [2024-12-06 01:42:46,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:42:46,828 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:42:46,836 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_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal168.c[1246,1259] [2024-12-06 01:42:47,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:42:47,430 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:42:47,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:47 WrapperNode [2024-12-06 01:42:47,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:42:47,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:42:47,432 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:42:47,432 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:42:47,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:47" (1/1) ... [2024-12-06 01:42:47,618 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:47" (1/1) ... [2024-12-06 01:42:50,031 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39784 [2024-12-06 01:42:50,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:42:50,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:42:50,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:42:50,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:42:50,038 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:47" (1/1) ... [2024-12-06 01:42:50,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:47" (1/1) ... [2024-12-06 01:42:50,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:47" (1/1) ... [2024-12-06 01:42:50,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:47" (1/1) ... [2024-12-06 01:42:51,363 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:47" (1/1) ... [2024-12-06 01:42:51,430 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:47" (1/1) ... [2024-12-06 01:42:51,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:47" (1/1) ... [2024-12-06 01:42:51,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:47" (1/1) ... [2024-12-06 01:42:51,754 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:47" (1/1) ... [2024-12-06 01:42:52,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:42:52,390 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:42:52,390 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:42:52,390 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:42:52,391 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:42:47" (1/1) ... [2024-12-06 01:42:52,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:42:52,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:42:52,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:42:52,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:42:52,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:42:52,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:42:52,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:42:52,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:42:54,183 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:42:54,184 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:44:26,992 INFO L? ?]: Removed 22107 outVars from TransFormulas that were not future-live. [2024-12-06 01:44:26,992 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:46:29,191 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:46:29,191 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:46:29,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:46:29 BoogieIcfgContainer [2024-12-06 01:46:29,192 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:46:29,193 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:46:29,193 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:46:29,208 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:46:29,208 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:46:29" (1/1) ... [2024-12-06 01:46:29,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:46:29,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:46:29,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:46:29,261 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:46:29,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:46:29,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:46:29,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:46:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:46:50,743 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:47:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:47:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:47:25,106 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 01:47:25,109 INFO L158 Benchmark]: Toolchain (without parser) took 279982.91ms. Allocated memory was 117.4MB in the beginning and 11.1GB in the end (delta: 11.0GB). Free memory was 72.0MB in the beginning and 8.6GB in the end (delta: -8.5GB). Peak memory consumption was 9.1GB. Max. memory is 16.1GB. [2024-12-06 01:47:25,110 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:47:25,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2304.29ms. Allocated memory was 117.4MB in the beginning and 402.7MB in the end (delta: 285.2MB). Free memory was 71.8MB in the beginning and 153.1MB in the end (delta: -81.4MB). Peak memory consumption was 351.4MB. Max. memory is 16.1GB. [2024-12-06 01:47:25,111 INFO L158 Benchmark]: Boogie Procedure Inliner took 2599.62ms. Allocated memory was 402.7MB in the beginning and 2.4GB in the end (delta: 2.0GB). Free memory was 153.1MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 758.9MB. Max. memory is 16.1GB. [2024-12-06 01:47:25,112 INFO L158 Benchmark]: Boogie Preprocessor took 2356.84ms. Allocated memory is still 2.4GB. Free memory was 1.6GB in the beginning and 1.3GB in the end (delta: 229.3MB). Peak memory consumption was 427.8MB. Max. memory is 16.1GB. [2024-12-06 01:47:25,112 INFO L158 Benchmark]: RCFGBuilder took 216801.87ms. Allocated memory was 2.4GB in the beginning and 11.1GB in the end (delta: 8.7GB). Free memory was 1.3GB in the beginning and 8.2GB in the end (delta: -6.9GB). Peak memory consumption was 4.8GB. Max. memory is 16.1GB. [2024-12-06 01:47:25,113 INFO L158 Benchmark]: CodeCheck took 55915.15ms. Allocated memory is still 11.1GB. Free memory was 8.2GB in the beginning and 8.6GB in the end (delta: -382.1MB). Peak memory consumption was 6.2GB. Max. memory is 16.1GB. [2024-12-06 01:47:25,115 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 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2304.29ms. Allocated memory was 117.4MB in the beginning and 402.7MB in the end (delta: 285.2MB). Free memory was 71.8MB in the beginning and 153.1MB in the end (delta: -81.4MB). Peak memory consumption was 351.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2599.62ms. Allocated memory was 402.7MB in the beginning and 2.4GB in the end (delta: 2.0GB). Free memory was 153.1MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 758.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2356.84ms. Allocated memory is still 2.4GB. Free memory was 1.6GB in the beginning and 1.3GB in the end (delta: 229.3MB). Peak memory consumption was 427.8MB. Max. memory is 16.1GB. * RCFGBuilder took 216801.87ms. Allocated memory was 2.4GB in the beginning and 11.1GB in the end (delta: 8.7GB). Free memory was 1.3GB in the beginning and 8.2GB in the end (delta: -6.9GB). Peak memory consumption was 4.8GB. Max. memory is 16.1GB. * CodeCheck took 55915.15ms. Allocated memory is still 11.1GB. Free memory was 8.2GB in the beginning and 8.6GB in the end (delta: -382.1MB). Peak memory consumption was 6.2GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:47:25,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/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_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/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_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal168.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/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 64bit --witnessprinter.graph.data.programhash 28fc54ae869369c3e762514601c6878e257d71939b78dce07ca35a7ee0a528b0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:47:27,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:47:27,648 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 01:47:27,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:47:27,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:47:27,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:47:27,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:47:27,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:47:27,674 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:47:27,674 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:47:27,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:47:27,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:47:27,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:47:27,675 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:47:27,675 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:47:27,675 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:47:27,675 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:47:27,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:47:27,675 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:47:27,675 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:47:27,676 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:47:27,676 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:47:27,676 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:47:27,676 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:47:27,676 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:47:27,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:47:27,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:47:27,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:47:27,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:47:27,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:47:27,677 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:47:27,677 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:47:27,677 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:47:27,677 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_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28fc54ae869369c3e762514601c6878e257d71939b78dce07ca35a7ee0a528b0 [2024-12-06 01:47:27,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:47:27,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:47:27,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:47:27,904 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:47:27,904 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:47:27,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal168.c [2024-12-06 01:47:30,536 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/data/24a3eb98d/a8ca956697854a7b96592daaa8c2c4e5/FLAG73fe6ef77 [2024-12-06 01:47:31,055 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:47:31,055 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal168.c [2024-12-06 01:47:31,099 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/data/24a3eb98d/a8ca956697854a7b96592daaa8c2c4e5/FLAG73fe6ef77 [2024-12-06 01:47:31,115 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/data/24a3eb98d/a8ca956697854a7b96592daaa8c2c4e5 [2024-12-06 01:47:31,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:47:31,118 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:47:31,120 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:47:31,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:47:31,124 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:47:31,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:47:31" (1/1) ... [2024-12-06 01:47:31,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bd99594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:31, skipping insertion in model container [2024-12-06 01:47:31,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:47:31" (1/1) ... [2024-12-06 01:47:31,272 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:47:31,546 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_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal168.c[1246,1259] [2024-12-06 01:47:32,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:47:32,455 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:47:32,465 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_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal168.c[1246,1259] [2024-12-06 01:47:33,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:47:33,096 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:47:33,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:33 WrapperNode [2024-12-06 01:47:33,097 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:47:33,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:47:33,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:47:33,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:47:33,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:33" (1/1) ... [2024-12-06 01:47:33,199 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:33" (1/1) ... [2024-12-06 01:47:33,586 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12776 [2024-12-06 01:47:33,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:47:33,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:47:33,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:47:33,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:47:33,593 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:33" (1/1) ... [2024-12-06 01:47:33,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:33" (1/1) ... [2024-12-06 01:47:33,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:33" (1/1) ... [2024-12-06 01:47:33,656 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:33" (1/1) ... [2024-12-06 01:47:33,918 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:33" (1/1) ... [2024-12-06 01:47:33,948 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:33" (1/1) ... [2024-12-06 01:47:33,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:33" (1/1) ... [2024-12-06 01:47:33,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:33" (1/1) ... [2024-12-06 01:47:34,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:33" (1/1) ... [2024-12-06 01:47:34,087 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:47:34,088 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:47:34,088 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:47:34,088 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:47:34,089 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:47:33" (1/1) ... [2024-12-06 01:47:34,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:47:34,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:47:34,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:47:34,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:47:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:47:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:47:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:47:34,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:47:35,626 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:47:35,628 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:48:48,637 INFO L? ?]: Removed 1374 outVars from TransFormulas that were not future-live. [2024-12-06 01:48:48,637 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:48:48,823 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:48:48,823 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:48:48,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:48:48 BoogieIcfgContainer [2024-12-06 01:48:48,824 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:48:48,824 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:48:48,824 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:48:48,831 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:48:48,831 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:48:48" (1/1) ... [2024-12-06 01:48:48,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:48:48,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:48,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:48:48,870 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:48:48,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:48:48,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:48,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:48:48,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:48:48,875 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:48:48,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:48:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:51,691 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:48:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:52,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 1440 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 01:48:52,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:48:52,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:48:52,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:48:55,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:48:56,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:56,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 01:48:56,834 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 01:48:56,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:48:56,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:56,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:48:56,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:48:56,836 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:48:56,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:49:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:11,267 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:49:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:13,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 2695 conjuncts, 337 conjuncts are in the unsatisfiable core [2024-12-06 01:49:14,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:49:37,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:49:37,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:49:39,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:49:41,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:49:45,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:49:49,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:49:52,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:49:53,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:53,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-12-06 01:49:53,284 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-12-06 01:49:53,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 01:49:53,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:53,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:49:53,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:49:53,288 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:49:53,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc12b2ca-bb2e-4302-9f2c-54ca2f4e0e6c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:51:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:51:24,447 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:51:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:51:29,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 3950 conjuncts, 420 conjuncts are in the unsatisfiable core [2024-12-06 01:51:29,785 INFO L279 TraceCheckSpWp]: Computing forward predicates...