./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/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_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-02 22:46:56,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:46:57,010 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 22:46:57,014 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:46:57,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:46:57,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:46:57,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:46:57,035 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:46:57,036 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:46:57,037 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:46:57,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:46:57,038 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:46:57,038 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:46:57,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:46:57,039 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:46:57,040 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:46:57,041 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:46:57,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:46:57,041 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:46:57,042 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:46:57,042 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:46:57,043 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:46:57,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:46:57,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:46:57,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:46:57,045 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:46:57,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:46:57,045 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:46:57,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:46:57,046 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:46:57,046 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28fc54ae869369c3e762514601c6878e257d71939b78dce07ca35a7ee0a528b0 [2023-12-02 22:46:57,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:46:57,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:46:57,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:46:57,270 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:46:57,270 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:46:57,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal168.c [2023-12-02 22:47:00,048 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:47:00,603 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:47:00,603 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal168.c [2023-12-02 22:47:00,673 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/data/3aa260e45/907d9c04e44c4290a9715b01b0bc773a/FLAG66a38d884 [2023-12-02 22:47:01,126 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/data/3aa260e45/907d9c04e44c4290a9715b01b0bc773a [2023-12-02 22:47:01,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:47:01,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:47:01,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:47:01,130 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:47:01,134 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:47:01,135 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:47:01" (1/1) ... [2023-12-02 22:47:01,136 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e47adc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:01, skipping insertion in model container [2023-12-02 22:47:01,136 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:47:01" (1/1) ... [2023-12-02 22:47:01,320 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:47:01,577 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal168.c[1246,1259] [2023-12-02 22:47:02,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:47:02,935 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:47:02,948 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal168.c[1246,1259] [2023-12-02 22:47:03,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:47:04,004 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:47:04,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:04 WrapperNode [2023-12-02 22:47:04,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:47:04,006 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:47:04,006 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:47:04,006 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:47:04,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:04" (1/1) ... [2023-12-02 22:47:04,348 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:04" (1/1) ... [2023-12-02 22:47:07,216 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 45924 [2023-12-02 22:47:07,217 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:47:07,217 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:47:07,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:47:07,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:47:07,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:04" (1/1) ... [2023-12-02 22:47:07,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:04" (1/1) ... [2023-12-02 22:47:07,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:04" (1/1) ... [2023-12-02 22:47:07,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:04" (1/1) ... [2023-12-02 22:47:08,690 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:04" (1/1) ... [2023-12-02 22:47:08,888 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:04" (1/1) ... [2023-12-02 22:47:09,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:04" (1/1) ... [2023-12-02 22:47:09,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:04" (1/1) ... [2023-12-02 22:47:09,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:47:09,771 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:47:09,771 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:47:09,771 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:47:09,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:04" (1/1) ... [2023-12-02 22:47:09,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:47:09,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:47:09,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:47:09,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:47:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:47:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:47:09,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:47:09,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:47:11,518 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:47:11,520 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:47:33,714 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:49:38,238 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:49:38,238 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:49:38,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:49:38 BoogieIcfgContainer [2023-12-02 22:49:38,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:49:38,240 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:49:38,240 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:49:38,249 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:49:38,249 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:49:38" (1/1) ... [2023-12-02 22:49:38,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:49:38,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:38,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 22:49:38,306 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 22:49:38,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:49:38,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:38,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:51:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:51:43,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:54:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:54:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 22:54:53,821 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:54:53,824 INFO L158 Benchmark]: Toolchain (without parser) took 472694.23ms. Allocated memory was 134.2MB in the beginning and 13.1GB in the end (delta: 13.0GB). Free memory was 68.3MB in the beginning and 10.3GB in the end (delta: -10.3GB). Peak memory consumption was 7.9GB. Max. memory is 16.1GB. [2023-12-02 22:54:53,825 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory was 51.9MB in the beginning and 51.7MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:54:53,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2874.81ms. Allocated memory was 134.2MB in the beginning and 383.8MB in the end (delta: 249.6MB). Free memory was 68.3MB in the beginning and 149.2MB in the end (delta: -80.9MB). Peak memory consumption was 211.2MB. Max. memory is 16.1GB. [2023-12-02 22:54:53,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 3211.36ms. Allocated memory was 383.8MB in the beginning and 2.5GB in the end (delta: 2.1GB). Free memory was 149.2MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 598.8MB. Max. memory is 16.1GB. [2023-12-02 22:54:53,827 INFO L158 Benchmark]: Boogie Preprocessor took 2552.39ms. Allocated memory was 2.5GB in the beginning and 7.4GB in the end (delta: 4.9GB). Free memory was 1.7GB in the beginning and 6.4GB in the end (delta: -4.7GB). Peak memory consumption was 277.9MB. Max. memory is 16.1GB. [2023-12-02 22:54:53,828 INFO L158 Benchmark]: RCFGBuilder took 148468.98ms. Allocated memory was 7.4GB in the beginning and 13.1GB in the end (delta: 5.7GB). Free memory was 6.4GB in the beginning and 10.3GB in the end (delta: -3.9GB). Peak memory consumption was 6.1GB. Max. memory is 16.1GB. [2023-12-02 22:54:53,828 INFO L158 Benchmark]: CodeCheck took 315582.60ms. Allocated memory is still 13.1GB. Free memory was 10.3GB in the beginning and 10.3GB in the end (delta: 4.0MB). Peak memory consumption was 5.2GB. Max. memory is 16.1GB. [2023-12-02 22:54:53,832 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory was 51.9MB in the beginning and 51.7MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2874.81ms. Allocated memory was 134.2MB in the beginning and 383.8MB in the end (delta: 249.6MB). Free memory was 68.3MB in the beginning and 149.2MB in the end (delta: -80.9MB). Peak memory consumption was 211.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3211.36ms. Allocated memory was 383.8MB in the beginning and 2.5GB in the end (delta: 2.1GB). Free memory was 149.2MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 598.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2552.39ms. Allocated memory was 2.5GB in the beginning and 7.4GB in the end (delta: 4.9GB). Free memory was 1.7GB in the beginning and 6.4GB in the end (delta: -4.7GB). Peak memory consumption was 277.9MB. Max. memory is 16.1GB. * RCFGBuilder took 148468.98ms. Allocated memory was 7.4GB in the beginning and 13.1GB in the end (delta: 5.7GB). Free memory was 6.4GB in the beginning and 10.3GB in the end (delta: -3.9GB). Peak memory consumption was 6.1GB. Max. memory is 16.1GB. * CodeCheck took 315582.60ms. Allocated memory is still 13.1GB. Free memory was 10.3GB in the beginning and 10.3GB in the end (delta: 4.0MB). Peak memory consumption was 5.2GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:54:53,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/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_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-02 22:54:56,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:54:56,468 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 22:54:56,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:54:56,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:54:56,503 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:54:56,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:54:56,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:54:56,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:54:56,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:54:56,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:54:56,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:54:56,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:54:56,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:54:56,509 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:54:56,509 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:54:56,510 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:54:56,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:54:56,511 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:54:56,511 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:54:56,512 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:54:56,512 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:54:56,513 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:56,513 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:54:56,513 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:54:56,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:54:56,514 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:54:56,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:54:56,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:54:56,515 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:54:56,516 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:54:56,516 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:54:56,516 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:54:56,517 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:54:56,517 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28fc54ae869369c3e762514601c6878e257d71939b78dce07ca35a7ee0a528b0 [2023-12-02 22:54:56,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:54:56,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:54:56,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:54:56,849 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:54:56,850 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:54:56,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal168.c [2023-12-02 22:54:59,641 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:55:00,182 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:55:00,183 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal168.c [2023-12-02 22:55:00,243 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/data/981fa7639/11514e76f6a74c44963ca3b7011dd9e3/FLAGe9ef31f8c [2023-12-02 22:55:00,259 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/data/981fa7639/11514e76f6a74c44963ca3b7011dd9e3 [2023-12-02 22:55:00,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:55:00,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:55:00,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:55:00,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:55:00,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:55:00,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:55:00" (1/1) ... [2023-12-02 22:55:00,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335b6903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:00, skipping insertion in model container [2023-12-02 22:55:00,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:55:00" (1/1) ... [2023-12-02 22:55:00,501 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:55:00,796 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal168.c[1246,1259] [2023-12-02 22:55:01,729 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:55:01,744 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:55:01,756 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal168.c[1246,1259] [2023-12-02 22:55:02,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:55:02,562 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:55:02,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:02 WrapperNode [2023-12-02 22:55:02,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:55:02,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:55:02,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:55:02,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:55:02,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:02" (1/1) ... [2023-12-02 22:55:02,711 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:02" (1/1) ... [2023-12-02 22:55:03,116 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12779 [2023-12-02 22:55:03,116 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:55:03,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:55:03,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:55:03,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:55:03,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:02" (1/1) ... [2023-12-02 22:55:03,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:02" (1/1) ... [2023-12-02 22:55:03,198 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:02" (1/1) ... [2023-12-02 22:55:03,198 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:02" (1/1) ... [2023-12-02 22:55:03,400 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:02" (1/1) ... [2023-12-02 22:55:03,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:02" (1/1) ... [2023-12-02 22:55:03,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:02" (1/1) ... [2023-12-02 22:55:03,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:02" (1/1) ... [2023-12-02 22:55:03,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:55:03,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:55:03,598 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:55:03,598 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:55:03,599 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:02" (1/1) ... [2023-12-02 22:55:03,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:55:03,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:55:03,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:55:03,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:55:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:55:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:55:03,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:55:03,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:55:05,232 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:55:05,235 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:56:11,645 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:56:12,141 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:56:12,142 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:56:12,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:12 BoogieIcfgContainer [2023-12-02 22:56:12,144 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:56:12,144 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:56:12,145 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:56:12,153 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:56:12,153 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:12" (1/1) ... [2023-12-02 22:56:12,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:56:12,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:12,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 22:56:12,202 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 22:56:12,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:56:12,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:12,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:12,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:12,206 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:12,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:56:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:15,522 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:16,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 1513 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:56:16,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:16,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:56:16,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:56:27,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:56:37,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:56:39,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:39,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 22:56:39,372 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 22:56:39,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:56:39,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:39,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:39,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:39,374 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:39,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:57:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:25,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:57:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:30,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 11781 conjuncts, 253 conjunts are in the unsatisfiable core [2023-12-02 22:57:30,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:46,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:57:46,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:57:58,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:01,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:12,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:22,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:32,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:44,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:55,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:59:05,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:59:06,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:59:07,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:07,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-12-02 22:59:07,043 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-12-02 22:59:07,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:59:07,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:07,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:59:07,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:59:07,045 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:59:07,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a5d4af-5293-4b0a-ba93-cd5a0a106fea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process