./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 76759b02095285d07c750df63dcdc9c02e70d9a0344831d30f8bf2a90bed45af --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:41:35,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:41:35,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 16:41:35,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:41:35,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:41:35,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:41:35,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:41:35,836 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:41:35,836 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:41:35,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:41:35,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:41:35,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:41:35,836 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:41:35,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:41:35,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:41:35,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:41:35,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:41:35,838 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:41:35,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:41:35,839 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:41:35,839 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:41:35,840 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:41:35,840 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:41:35,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:41:35,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:41:35,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:41:35,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:41:35,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:41:35,841 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:41:35,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:41:35,841 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_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76759b02095285d07c750df63dcdc9c02e70d9a0344831d30f8bf2a90bed45af [2024-11-13 16:41:36,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:41:36,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:41:36,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:41:36,196 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:41:36,196 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:41:36,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c Unable to find full path for "g++" [2024-11-13 16:41:38,168 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:41:38,599 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:41:38,600 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c [2024-11-13 16:41:38,623 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/data/8e9f6d231/edbbdcb43bc642beb0a07b4d5dac4e4e/FLAGc3e70b704 [2024-11-13 16:41:38,639 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/data/8e9f6d231/edbbdcb43bc642beb0a07b4d5dac4e4e [2024-11-13 16:41:38,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:41:38,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:41:38,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:41:38,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:41:38,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:41:38,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:41:38" (1/1) ... [2024-11-13 16:41:38,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b8a220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:38, skipping insertion in model container [2024-11-13 16:41:38,651 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:41:38" (1/1) ... [2024-11-13 16:41:38,729 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:41:38,931 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_46e9c8e5-8e7f-402a-9059-3937141cf409/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c[1252,1265] [2024-11-13 16:41:39,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:41:39,387 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:41:39,396 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_46e9c8e5-8e7f-402a-9059-3937141cf409/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c[1252,1265] [2024-11-13 16:41:39,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:41:39,690 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:41:39,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:39 WrapperNode [2024-11-13 16:41:39,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:41:39,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:41:39,693 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:41:39,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:41:39,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:39" (1/1) ... [2024-11-13 16:41:39,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:39" (1/1) ... [2024-11-13 16:41:40,199 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4219 [2024-11-13 16:41:40,200 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:41:40,201 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:41:40,201 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:41:40,201 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:41:40,209 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:39" (1/1) ... [2024-11-13 16:41:40,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:39" (1/1) ... [2024-11-13 16:41:40,363 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:39" (1/1) ... [2024-11-13 16:41:40,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:39" (1/1) ... [2024-11-13 16:41:40,539 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:39" (1/1) ... [2024-11-13 16:41:40,571 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:39" (1/1) ... [2024-11-13 16:41:40,607 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:39" (1/1) ... [2024-11-13 16:41:40,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:39" (1/1) ... [2024-11-13 16:41:40,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:41:40,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:41:40,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:41:40,693 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:41:40,694 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:39" (1/1) ... [2024-11-13 16:41:40,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:41:40,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:41:40,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:41:40,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:41:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:41:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:41:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:41:40,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:41:41,372 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:41:41,374 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:41:46,597 INFO L? ?]: Removed 2712 outVars from TransFormulas that were not future-live. [2024-11-13 16:41:46,597 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:41:52,390 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:41:52,391 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:41:52,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:41:52 BoogieIcfgContainer [2024-11-13 16:41:52,391 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:41:52,392 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:41:52,392 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:41:52,402 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:41:52,403 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:41:52" (1/1) ... [2024-11-13 16:41:52,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:41:52,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:41:52,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:41:52,476 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:41:52,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:41:52,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:41:52,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:41:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:41:56,541 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:41:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:42:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:42:09,436 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 16:42:09,443 INFO L158 Benchmark]: Toolchain (without parser) took 30798.85ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 116.0MB in the beginning and 763.1MB in the end (delta: -647.1MB). Peak memory consumption was 527.4MB. Max. memory is 16.1GB. [2024-11-13 16:42:09,443 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:42:09,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1048.30ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 94.2MB in the end (delta: 21.8MB). Peak memory consumption was 97.8MB. Max. memory is 16.1GB. [2024-11-13 16:42:09,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 507.23ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 94.2MB in the beginning and 313.8MB in the end (delta: -219.6MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. [2024-11-13 16:42:09,444 INFO L158 Benchmark]: Boogie Preprocessor took 490.12ms. Allocated memory is still 427.8MB. Free memory was 313.8MB in the beginning and 308.3MB in the end (delta: 5.5MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2024-11-13 16:42:09,445 INFO L158 Benchmark]: RCFGBuilder took 11699.22ms. Allocated memory was 427.8MB in the beginning and 1.3GB in the end (delta: 889.2MB). Free memory was 308.3MB in the beginning and 606.0MB in the end (delta: -297.8MB). Peak memory consumption was 681.6MB. Max. memory is 16.1GB. [2024-11-13 16:42:09,445 INFO L158 Benchmark]: CodeCheck took 17048.62ms. Allocated memory is still 1.3GB. Free memory was 606.0MB in the beginning and 763.1MB in the end (delta: -157.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:42:09,448 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 0.38ms. Allocated memory is still 167.8MB. Free memory is still 106.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1048.30ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 94.2MB in the end (delta: 21.8MB). Peak memory consumption was 97.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 507.23ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 94.2MB in the beginning and 313.8MB in the end (delta: -219.6MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 490.12ms. Allocated memory is still 427.8MB. Free memory was 313.8MB in the beginning and 308.3MB in the end (delta: 5.5MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. * RCFGBuilder took 11699.22ms. Allocated memory was 427.8MB in the beginning and 1.3GB in the end (delta: 889.2MB). Free memory was 308.3MB in the beginning and 606.0MB in the end (delta: -297.8MB). Peak memory consumption was 681.6MB. Max. memory is 16.1GB. * CodeCheck took 17048.62ms. Allocated memory is still 1.3GB. Free memory was 606.0MB in the beginning and 763.1MB in the end (delta: -157.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 16:42:09,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 76759b02095285d07c750df63dcdc9c02e70d9a0344831d30f8bf2a90bed45af --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:42:12,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:42:12,668 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 16:42:12,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:42:12,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:42:12,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:42:12,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:42:12,757 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:42:12,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:42:12,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:42:12,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:42:12,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:42:12,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:42:12,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:42:12,760 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:42:12,760 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:42:12,760 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:42:12,760 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:42:12,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:42:12,761 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:42:12,761 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:42:12,761 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:42:12,761 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:42:12,761 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:42:12,761 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:42:12,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:42:12,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:42:12,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:42:12,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:42:12,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:42:12,762 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:42:12,762 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:42:12,762 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:42:12,763 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_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76759b02095285d07c750df63dcdc9c02e70d9a0344831d30f8bf2a90bed45af [2024-11-13 16:42:13,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:42:13,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:42:13,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:42:13,150 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:42:13,150 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:42:13,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c Unable to find full path for "g++" [2024-11-13 16:42:15,118 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:42:15,510 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:42:15,512 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c [2024-11-13 16:42:15,536 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/data/34e5634c2/947ac14e783b4ab6b166dae636ceba1c/FLAGa534a05ad [2024-11-13 16:42:15,563 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/data/34e5634c2/947ac14e783b4ab6b166dae636ceba1c [2024-11-13 16:42:15,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:42:15,569 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:42:15,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:42:15,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:42:15,577 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:42:15,579 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:42:15" (1/1) ... [2024-11-13 16:42:15,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61e525e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:15, skipping insertion in model container [2024-11-13 16:42:15,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:42:15" (1/1) ... [2024-11-13 16:42:15,645 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:42:15,890 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_46e9c8e5-8e7f-402a-9059-3937141cf409/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c[1252,1265] [2024-11-13 16:42:16,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:42:16,394 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:42:16,404 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_46e9c8e5-8e7f-402a-9059-3937141cf409/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c[1252,1265] [2024-11-13 16:42:16,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:42:16,733 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:42:16,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:16 WrapperNode [2024-11-13 16:42:16,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:42:16,735 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:42:16,736 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:42:16,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:42:16,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:16" (1/1) ... [2024-11-13 16:42:16,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:16" (1/1) ... [2024-11-13 16:42:16,918 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1981 [2024-11-13 16:42:16,918 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:42:16,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:42:16,919 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:42:16,919 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:42:16,927 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:16" (1/1) ... [2024-11-13 16:42:16,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:16" (1/1) ... [2024-11-13 16:42:16,947 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:16" (1/1) ... [2024-11-13 16:42:16,947 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:16" (1/1) ... [2024-11-13 16:42:17,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:16" (1/1) ... [2024-11-13 16:42:17,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:16" (1/1) ... [2024-11-13 16:42:17,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:16" (1/1) ... [2024-11-13 16:42:17,034 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:16" (1/1) ... [2024-11-13 16:42:17,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:42:17,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:42:17,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:42:17,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:42:17,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:42:16" (1/1) ... [2024-11-13 16:42:17,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:42:17,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:42:17,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:42:17,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:42:17,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:42:17,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:42:17,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:42:17,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:42:17,763 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:42:17,765 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:42:20,702 INFO L? ?]: Removed 389 outVars from TransFormulas that were not future-live. [2024-11-13 16:42:20,702 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:42:20,803 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:42:20,803 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:42:20,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:42:20 BoogieIcfgContainer [2024-11-13 16:42:20,804 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:42:20,805 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:42:20,805 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:42:20,817 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:42:20,817 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:42:20" (1/1) ... [2024-11-13 16:42:20,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:42:20,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:42:20,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:42:20,887 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:42:20,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:42:20,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:42:20,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:42:20,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:42:20,895 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:42:20,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:42:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:42:23,679 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:42:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:42:26,442 WARN L253 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 376 conjuncts are in the unsatisfiable core [2024-11-13 16:42:26,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:43:09,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:43:09,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:43:11,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 16:43:11,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:11,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 16:43:11,616 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 16:43:11,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:43:11,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:11,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:43:11,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:43:11,620 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:43:11,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46e9c8e5-8e7f-402a-9059-3937141cf409/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:43:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:27,505 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:43:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:43:31,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 379 conjuncts are in the unsatisfiable core [2024-11-13 16:43:31,282 INFO L278 TraceCheckSpWp]: Computing forward predicates...