./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-func-interl.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_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/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_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/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_2859fde6-098c-435a-84a4-9e178cd2319e/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 303ec4e55cff11668adbb757d7bc21a419b4a5a3b196481038c6071b2c29ac11 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:44:52,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:44:52,801 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 22:44:52,805 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:44:52,806 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:44:52,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:44:52,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:44:52,831 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:44:52,832 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:44:52,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:44:52,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:44:52,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:44:52,834 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:44:52,834 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:44:52,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:44:52,835 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:44:52,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:44:52,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:44:52,837 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:44:52,837 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:44:52,838 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:44:52,838 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:44:52,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:44:52,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:44:52,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:44:52,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:44:52,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:44:52,841 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:44:52,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:44:52,842 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:44:52,842 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_2859fde6-098c-435a-84a4-9e178cd2319e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 303ec4e55cff11668adbb757d7bc21a419b4a5a3b196481038c6071b2c29ac11 [2023-12-02 22:44:53,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:44:53,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:44:53,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:44:53,070 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:44:53,071 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:44:53,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-func-interl.c [2023-12-02 22:44:55,932 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:44:56,233 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:44:56,233 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-func-interl.c [2023-12-02 22:44:56,254 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/data/564886966/2828059c0efa498e805653af0bdf5f28/FLAG08464fea7 [2023-12-02 22:44:56,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/data/564886966/2828059c0efa498e805653af0bdf5f28 [2023-12-02 22:44:56,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:44:56,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:44:56,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:44:56,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:44:56,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:44:56,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:44:56" (1/1) ... [2023-12-02 22:44:56,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78609657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:56, skipping insertion in model container [2023-12-02 22:44:56,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:44:56" (1/1) ... [2023-12-02 22:44:56,375 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:44:56,557 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_2859fde6-098c-435a-84a4-9e178cd2319e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-func-interl.c[1176,1189] [2023-12-02 22:44:57,014 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:44:57,022 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:44:57,031 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_2859fde6-098c-435a-84a4-9e178cd2319e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-func-interl.c[1176,1189] [2023-12-02 22:44:57,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:44:57,280 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:44:57,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:57 WrapperNode [2023-12-02 22:44:57,281 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:44:57,281 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:44:57,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:44:57,282 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:44:57,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:57" (1/1) ... [2023-12-02 22:44:57,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:57" (1/1) ... [2023-12-02 22:44:58,486 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 14184 [2023-12-02 22:44:58,487 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:44:58,487 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:44:58,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:44:58,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:44:58,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:57" (1/1) ... [2023-12-02 22:44:58,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:57" (1/1) ... [2023-12-02 22:44:58,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:57" (1/1) ... [2023-12-02 22:44:58,661 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:57" (1/1) ... [2023-12-02 22:44:58,919 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:57" (1/1) ... [2023-12-02 22:44:58,989 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:57" (1/1) ... [2023-12-02 22:44:59,124 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:57" (1/1) ... [2023-12-02 22:44:59,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:57" (1/1) ... [2023-12-02 22:44:59,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:44:59,385 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:44:59,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:44:59,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:44:59,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:57" (1/1) ... [2023-12-02 22:44:59,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:44:59,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:44:59,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:44:59,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:44:59,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:44:59,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:44:59,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:44:59,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:45:00,161 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:45:00,163 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:45:08,229 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:45:28,704 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:45:28,704 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:45:28,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:45:28 BoogieIcfgContainer [2023-12-02 22:45:28,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:45:28,706 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:45:28,707 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:45:28,716 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:45:28,717 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:45:28" (1/1) ... [2023-12-02 22:45:28,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:45:28,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:28,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 22:45:28,770 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 22:45:28,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:45:28,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:28,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:45:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:31,309 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 22:45:42,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 22:45:52,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 22:45:52,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:52,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 22:45:52,552 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 22:45:52,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:45:52,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:52,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:46:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 22:46:04,696 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 22:46:04,700 INFO L158 Benchmark]: Toolchain (without parser) took 68426.77ms. Allocated memory was 146.8MB in the beginning and 6.4GB in the end (delta: 6.3GB). Free memory was 103.5MB in the beginning and 5.1GB in the end (delta: -5.0GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2023-12-02 22:46:04,701 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 102.8MB. Free memory was 56.9MB in the beginning and 56.8MB in the end (delta: 180.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:46:04,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1006.93ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 103.5MB in the beginning and 88.2MB in the end (delta: 15.3MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. [2023-12-02 22:46:04,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 1205.53ms. Allocated memory was 190.8MB in the beginning and 614.5MB in the end (delta: 423.6MB). Free memory was 88.2MB in the beginning and 366.3MB in the end (delta: -278.1MB). Peak memory consumption was 203.0MB. Max. memory is 16.1GB. [2023-12-02 22:46:04,703 INFO L158 Benchmark]: Boogie Preprocessor took 896.79ms. Allocated memory is still 614.5MB. Free memory was 366.3MB in the beginning and 255.1MB in the end (delta: 111.1MB). Peak memory consumption was 111.1MB. Max. memory is 16.1GB. [2023-12-02 22:46:04,704 INFO L158 Benchmark]: RCFGBuilder took 29320.95ms. Allocated memory was 614.5MB in the beginning and 6.4GB in the end (delta: 5.8GB). Free memory was 255.1MB in the beginning and 5.4GB in the end (delta: -5.2GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2023-12-02 22:46:04,704 INFO L158 Benchmark]: CodeCheck took 35992.34ms. Allocated memory is still 6.4GB. Free memory was 5.4GB in the beginning and 5.1GB in the end (delta: 320.8MB). Peak memory consumption was 317.8MB. Max. memory is 16.1GB. [2023-12-02 22:46:04,708 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 0.22ms. Allocated memory is still 102.8MB. Free memory was 56.9MB in the beginning and 56.8MB in the end (delta: 180.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1006.93ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 103.5MB in the beginning and 88.2MB in the end (delta: 15.3MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1205.53ms. Allocated memory was 190.8MB in the beginning and 614.5MB in the end (delta: 423.6MB). Free memory was 88.2MB in the beginning and 366.3MB in the end (delta: -278.1MB). Peak memory consumption was 203.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 896.79ms. Allocated memory is still 614.5MB. Free memory was 366.3MB in the beginning and 255.1MB in the end (delta: 111.1MB). Peak memory consumption was 111.1MB. Max. memory is 16.1GB. * RCFGBuilder took 29320.95ms. Allocated memory was 614.5MB in the beginning and 6.4GB in the end (delta: 5.8GB). Free memory was 255.1MB in the beginning and 5.4GB in the end (delta: -5.2GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * CodeCheck took 35992.34ms. Allocated memory is still 6.4GB. Free memory was 5.4GB in the beginning and 5.1GB in the end (delta: 320.8MB). Peak memory consumption was 317.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:46:04,924 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 22:46:04,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/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_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/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_2859fde6-098c-435a-84a4-9e178cd2319e/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 303ec4e55cff11668adbb757d7bc21a419b4a5a3b196481038c6071b2c29ac11 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:46:06,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:46:06,948 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 22:46:06,980 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:46:06,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:46:06,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:46:06,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:46:06,983 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:46:06,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:46:06,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:46:06,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:46:06,985 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:46:06,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:46:06,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:46:06,987 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:46:06,987 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:46:06,988 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:46:06,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:46:06,989 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:46:06,990 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:46:06,990 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:46:06,991 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:46:06,992 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:06,992 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:46:06,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:46:06,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:46:06,993 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:46:06,994 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:46:06,994 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:46:06,995 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:46:06,995 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:06,995 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:46:06,996 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:46:06,996 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:46:06,996 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_2859fde6-098c-435a-84a4-9e178cd2319e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 303ec4e55cff11668adbb757d7bc21a419b4a5a3b196481038c6071b2c29ac11 [2023-12-02 22:46:07,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:46:07,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:46:07,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:46:07,299 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:46:07,299 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:46:07,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-func-interl.c [2023-12-02 22:46:10,083 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:46:10,418 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:46:10,419 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-func-interl.c [2023-12-02 22:46:10,440 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/data/9cfa822de/bd858918c2c44bdf81b2f782f1ed4483/FLAG69f6fca28 [2023-12-02 22:46:10,452 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/data/9cfa822de/bd858918c2c44bdf81b2f782f1ed4483 [2023-12-02 22:46:10,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:46:10,455 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:46:10,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:46:10,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:46:10,460 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:46:10,461 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:46:10" (1/1) ... [2023-12-02 22:46:10,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11321ec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:10, skipping insertion in model container [2023-12-02 22:46:10,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:46:10" (1/1) ... [2023-12-02 22:46:10,529 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:46:10,703 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_2859fde6-098c-435a-84a4-9e178cd2319e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-func-interl.c[1176,1189] [2023-12-02 22:46:11,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:46:11,104 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:46:11,116 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_2859fde6-098c-435a-84a4-9e178cd2319e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.4.prop1-func-interl.c[1176,1189] [2023-12-02 22:46:11,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:46:11,347 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:46:11,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:11 WrapperNode [2023-12-02 22:46:11,347 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:46:11,349 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:46:11,349 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:46:11,349 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:46:11,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:11" (1/1) ... [2023-12-02 22:46:11,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:11" (1/1) ... [2023-12-02 22:46:11,540 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3232 [2023-12-02 22:46:11,540 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:46:11,541 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:46:11,541 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:46:11,541 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:46:11,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:11" (1/1) ... [2023-12-02 22:46:11,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:11" (1/1) ... [2023-12-02 22:46:11,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:11" (1/1) ... [2023-12-02 22:46:11,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:11" (1/1) ... [2023-12-02 22:46:11,615 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:11" (1/1) ... [2023-12-02 22:46:11,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:11" (1/1) ... [2023-12-02 22:46:11,637 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:11" (1/1) ... [2023-12-02 22:46:11,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:11" (1/1) ... [2023-12-02 22:46:11,662 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:46:11,663 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:46:11,663 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:46:11,664 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:46:11,664 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:11" (1/1) ... [2023-12-02 22:46:11,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:46:11,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:46:11,693 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:46:11,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:46:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:46:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:46:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:46:11,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:46:12,235 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:46:12,237 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:46:27,621 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:46:27,758 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:46:27,758 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:46:27,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:46:27 BoogieIcfgContainer [2023-12-02 22:46:27,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:46:27,760 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:46:27,760 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:46:27,767 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:46:27,767 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:46:27" (1/1) ... [2023-12-02 22:46:27,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:46:27,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:27,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 22:46:27,821 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 22:46:27,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:46:27,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:27,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:27,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:27,825 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:27,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:46:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:28,710 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:28,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 22:46:28,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:29,127 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 22:46:29,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:46:35,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.99s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:46:35,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:35,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 22:46:35,680 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 22:46:35,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:46:35,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:35,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:35,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:46:35,682 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:46:35,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:46:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:39,198 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:46:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:40,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 2620 conjuncts, 208 conjunts are in the unsatisfiable core [2023-12-02 22:46:40,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:44,677 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 22:46:44,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:46:52,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:47:03,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:47:15,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:47:25,797 WARN L539 Checker$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 22:47:27,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:47:38,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.30s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:47:47,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.25s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:47:49,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:49,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-02 22:47:49,234 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-02 22:47:49,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:47:49,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:49,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:49,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:49,237 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:49,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:47:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:55,627 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:58,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 5062 conjuncts, 461 conjunts are in the unsatisfiable core [2023-12-02 22:47:58,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:16,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2023-12-02 22:48:16,088 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-12-02 22:48:16,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2859fde6-098c-435a-84a4-9e178cd2319e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:48:16,145 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:470) 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 22:48:16,148 INFO L158 Benchmark]: Toolchain (without parser) took 125692.68ms. Allocated memory was 113.2MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 84.4MB in the beginning and 786.9MB in the end (delta: -702.5MB). Peak memory consumption was 807.3MB. Max. memory is 16.1GB. [2023-12-02 22:48:16,149 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 65.0MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:48:16,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 891.30ms. Allocated memory is still 113.2MB. Free memory was 84.4MB in the beginning and 56.8MB in the end (delta: 27.6MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2023-12-02 22:48:16,150 INFO L158 Benchmark]: Boogie Procedure Inliner took 191.58ms. Allocated memory is still 113.2MB. Free memory was 56.8MB in the beginning and 57.2MB in the end (delta: -360.9kB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2023-12-02 22:48:16,151 INFO L158 Benchmark]: Boogie Preprocessor took 121.86ms. Allocated memory is still 113.2MB. Free memory was 57.2MB in the beginning and 42.4MB in the end (delta: 14.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:48:16,152 INFO L158 Benchmark]: RCFGBuilder took 16096.01ms. Allocated memory was 113.2MB in the beginning and 264.2MB in the end (delta: 151.0MB). Free memory was 42.4MB in the beginning and 123.6MB in the end (delta: -81.2MB). Peak memory consumption was 118.8MB. Max. memory is 16.1GB. [2023-12-02 22:48:16,153 INFO L158 Benchmark]: CodeCheck took 108387.74ms. Allocated memory was 264.2MB in the beginning and 1.2GB in the end (delta: 950.0MB). Free memory was 123.6MB in the beginning and 786.9MB in the end (delta: -663.3MB). Peak memory consumption was 693.8MB. Max. memory is 16.1GB. [2023-12-02 22:48:16,156 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 65.0MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 891.30ms. Allocated memory is still 113.2MB. Free memory was 84.4MB in the beginning and 56.8MB in the end (delta: 27.6MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 191.58ms. Allocated memory is still 113.2MB. Free memory was 56.8MB in the beginning and 57.2MB in the end (delta: -360.9kB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.86ms. Allocated memory is still 113.2MB. Free memory was 57.2MB in the beginning and 42.4MB in the end (delta: 14.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 16096.01ms. Allocated memory was 113.2MB in the beginning and 264.2MB in the end (delta: 151.0MB). Free memory was 42.4MB in the beginning and 123.6MB in the end (delta: -81.2MB). Peak memory consumption was 118.8MB. Max. memory is 16.1GB. * CodeCheck took 108387.74ms. Allocated memory was 264.2MB in the beginning and 1.2GB in the end (delta: 950.0MB). Free memory was 123.6MB in the beginning and 786.9MB in the end (delta: -663.3MB). Peak memory consumption was 693.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: No Interpolants