./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.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_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/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_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/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_14a07f98-10e0-40d4-a3fb-f8294eb54b23/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 cafa0fbe73779f675de2a2b2a18526b0e65b5b3074aaab9b00000d8008efcde3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:09:57,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:09:57,578 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 00:09:57,583 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:09:57,584 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:09:57,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:09:57,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:09:57,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:09:57,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:09:57,609 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:09:57,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:09:57,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:09:57,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:09:57,611 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:09:57,612 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:09:57,612 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:09:57,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:09:57,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:09:57,614 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:09:57,614 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:09:57,615 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:09:57,615 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:09:57,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:09:57,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:09:57,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:09:57,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:09:57,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:09:57,618 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:09:57,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:09:57,619 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:09:57,619 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_14a07f98-10e0-40d4-a3fb-f8294eb54b23/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cafa0fbe73779f675de2a2b2a18526b0e65b5b3074aaab9b00000d8008efcde3 [2023-12-03 00:09:57,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:09:57,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:09:57,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:09:57,863 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:09:57,864 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:09:57,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c [2023-12-03 00:10:00,621 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:10:00,886 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:10:00,886 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c [2023-12-03 00:10:00,903 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/data/65452a942/a93af294537444c883139a13fbe5b341/FLAG208be4cc9 [2023-12-03 00:10:00,918 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/data/65452a942/a93af294537444c883139a13fbe5b341 [2023-12-03 00:10:00,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:10:00,922 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:10:00,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:10:00,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:10:00,928 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:10:00,929 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:10:00" (1/1) ... [2023-12-03 00:10:00,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dee2359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:00, skipping insertion in model container [2023-12-03 00:10:00,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:10:00" (1/1) ... [2023-12-03 00:10:01,006 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:10:01,168 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_14a07f98-10e0-40d4-a3fb-f8294eb54b23/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c[1172,1185] [2023-12-03 00:10:01,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:10:01,478 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:10:01,491 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_14a07f98-10e0-40d4-a3fb-f8294eb54b23/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c[1172,1185] [2023-12-03 00:10:01,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:10:01,722 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:10:01,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:01 WrapperNode [2023-12-03 00:10:01,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:10:01,724 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:10:01,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:10:01,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:10:01,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:01" (1/1) ... [2023-12-03 00:10:01,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:01" (1/1) ... [2023-12-03 00:10:02,129 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4107 [2023-12-03 00:10:02,130 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:10:02,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:10:02,130 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:10:02,131 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:10:02,224 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:01" (1/1) ... [2023-12-03 00:10:02,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:01" (1/1) ... [2023-12-03 00:10:02,298 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:01" (1/1) ... [2023-12-03 00:10:02,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:01" (1/1) ... [2023-12-03 00:10:02,408 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:01" (1/1) ... [2023-12-03 00:10:02,431 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:01" (1/1) ... [2023-12-03 00:10:02,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:01" (1/1) ... [2023-12-03 00:10:02,506 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:01" (1/1) ... [2023-12-03 00:10:02,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:10:02,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:10:02,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:10:02,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:10:02,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:01" (1/1) ... [2023-12-03 00:10:02,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:10:02,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:10:02,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:10:02,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:10:02,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:10:02,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:10:02,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:10:02,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:10:03,130 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:10:03,132 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:10:05,931 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:10:11,106 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:10:11,107 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:10:11,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:10:11 BoogieIcfgContainer [2023-12-03 00:10:11,109 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:10:11,110 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:10:11,110 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:10:11,120 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:10:11,120 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:10:11" (1/1) ... [2023-12-03 00:10:11,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:10:11,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:11,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 00:10:11,175 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 00:10:11,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:10:11,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:11,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:10:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:12,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:10:23,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:10:33,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:10:34,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:34,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 00:10:34,757 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 00:10:34,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:10:34,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:34,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:10:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:10:45,871 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) [2023-12-03 00:10:45,874 INFO L158 Benchmark]: Toolchain (without parser) took 44952.02ms. Allocated memory was 197.1MB in the beginning and 983.6MB in the end (delta: 786.4MB). Free memory was 167.0MB in the beginning and 692.3MB in the end (delta: -525.3MB). Peak memory consumption was 264.2MB. Max. memory is 16.1GB. [2023-12-03 00:10:45,875 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:10:45,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 799.38ms. Allocated memory is still 197.1MB. Free memory was 167.0MB in the beginning and 149.9MB in the end (delta: 17.2MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2023-12-03 00:10:45,876 INFO L158 Benchmark]: Boogie Procedure Inliner took 406.02ms. Allocated memory is still 197.1MB. Free memory was 149.9MB in the beginning and 65.2MB in the end (delta: 84.7MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. [2023-12-03 00:10:45,876 INFO L158 Benchmark]: Boogie Preprocessor took 542.65ms. Allocated memory was 197.1MB in the beginning and 346.0MB in the end (delta: 148.9MB). Free memory was 65.2MB in the beginning and 236.1MB in the end (delta: -171.0MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2023-12-03 00:10:45,877 INFO L158 Benchmark]: RCFGBuilder took 8434.67ms. Allocated memory was 346.0MB in the beginning and 983.6MB in the end (delta: 637.5MB). Free memory was 236.1MB in the beginning and 735.7MB in the end (delta: -499.6MB). Peak memory consumption was 616.2MB. Max. memory is 16.1GB. [2023-12-03 00:10:45,877 INFO L158 Benchmark]: CodeCheck took 34764.05ms. Allocated memory is still 983.6MB. Free memory was 735.7MB in the beginning and 692.3MB in the end (delta: 43.4MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2023-12-03 00:10:45,880 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 0.17ms. Allocated memory is still 107.0MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 799.38ms. Allocated memory is still 197.1MB. Free memory was 167.0MB in the beginning and 149.9MB in the end (delta: 17.2MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 406.02ms. Allocated memory is still 197.1MB. Free memory was 149.9MB in the beginning and 65.2MB in the end (delta: 84.7MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 542.65ms. Allocated memory was 197.1MB in the beginning and 346.0MB in the end (delta: 148.9MB). Free memory was 65.2MB in the beginning and 236.1MB in the end (delta: -171.0MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. * RCFGBuilder took 8434.67ms. Allocated memory was 346.0MB in the beginning and 983.6MB in the end (delta: 637.5MB). Free memory was 236.1MB in the beginning and 735.7MB in the end (delta: -499.6MB). Peak memory consumption was 616.2MB. Max. memory is 16.1GB. * CodeCheck took 34764.05ms. Allocated memory is still 983.6MB. Free memory was 735.7MB in the beginning and 692.3MB in the end (delta: 43.4MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:10:46,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/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_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/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_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/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_14a07f98-10e0-40d4-a3fb-f8294eb54b23/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 cafa0fbe73779f675de2a2b2a18526b0e65b5b3074aaab9b00000d8008efcde3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:10:47,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:10:47,921 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 00:10:47,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:10:47,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:10:47,952 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:10:47,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:10:47,953 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:10:47,954 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:10:47,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:10:47,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:10:47,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:10:47,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:10:47,957 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:10:47,957 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:10:47,958 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:10:47,959 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:10:47,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:10:47,960 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:10:47,960 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:10:47,961 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:10:47,961 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:10:47,962 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:47,962 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:10:47,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:10:47,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:10:47,964 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:10:47,964 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:10:47,965 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:10:47,965 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:10:47,966 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:47,966 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:10:47,966 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:10:47,967 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:10:47,967 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_14a07f98-10e0-40d4-a3fb-f8294eb54b23/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cafa0fbe73779f675de2a2b2a18526b0e65b5b3074aaab9b00000d8008efcde3 [2023-12-03 00:10:48,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:10:48,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:10:48,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:10:48,297 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:10:48,298 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:10:48,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c [2023-12-03 00:10:51,228 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:10:51,511 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:10:51,512 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c [2023-12-03 00:10:51,529 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/data/038528ab6/a8b4531edc7d4e50a1d9e5bd4f058ad5/FLAG40e7aeb1b [2023-12-03 00:10:51,544 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/data/038528ab6/a8b4531edc7d4e50a1d9e5bd4f058ad5 [2023-12-03 00:10:51,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:10:51,548 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:10:51,549 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:10:51,550 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:10:51,554 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:10:51,555 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:10:51" (1/1) ... [2023-12-03 00:10:51,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6071cd29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:51, skipping insertion in model container [2023-12-03 00:10:51,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:10:51" (1/1) ... [2023-12-03 00:10:51,636 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:10:51,822 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_14a07f98-10e0-40d4-a3fb-f8294eb54b23/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c[1172,1185] [2023-12-03 00:10:52,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:10:52,065 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:10:52,076 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_14a07f98-10e0-40d4-a3fb-f8294eb54b23/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c[1172,1185] [2023-12-03 00:10:52,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:10:52,188 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:10:52,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:52 WrapperNode [2023-12-03 00:10:52,189 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:10:52,190 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:10:52,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:10:52,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:10:52,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:52" (1/1) ... [2023-12-03 00:10:52,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:52" (1/1) ... [2023-12-03 00:10:52,336 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1593 [2023-12-03 00:10:52,337 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:10:52,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:10:52,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:10:52,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:10:52,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:52" (1/1) ... [2023-12-03 00:10:52,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:52" (1/1) ... [2023-12-03 00:10:52,359 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:52" (1/1) ... [2023-12-03 00:10:52,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:52" (1/1) ... [2023-12-03 00:10:52,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:52" (1/1) ... [2023-12-03 00:10:52,403 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:52" (1/1) ... [2023-12-03 00:10:52,412 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:52" (1/1) ... [2023-12-03 00:10:52,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:52" (1/1) ... [2023-12-03 00:10:52,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:10:52,439 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:10:52,439 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:10:52,439 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:10:52,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:10:52" (1/1) ... [2023-12-03 00:10:52,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:10:52,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:10:52,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:10:52,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:10:52,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:10:52,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:10:52,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:10:52,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:10:52,800 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:10:52,803 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:10:55,283 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:10:55,366 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:10:55,366 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:10:55,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:10:55 BoogieIcfgContainer [2023-12-03 00:10:55,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:10:55,368 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:10:55,368 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:10:55,376 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:10:55,376 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:10:55" (1/1) ... [2023-12-03 00:10:55,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:10:55,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:55,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 00:10:55,426 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 00:10:55,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:10:55,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:55,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:55,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:55,451 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:55,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:10:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:56,020 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:56,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 00:10:56,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:56,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:10:56,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:10:57,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:10:57,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:57,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 00:10:57,553 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 00:10:57,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:10:57,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:57,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:57,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:57,555 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:57,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:10:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:58,808 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:59,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 1483 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-03 00:10:59,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:59,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:10:59,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-12-03 00:11:03,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:11:05,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:05,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-03 00:11:05,100 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-03 00:11:05,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:11:05,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:05,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:05,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:05,102 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:05,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14a07f98-10e0-40d4-a3fb-f8294eb54b23/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:11:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:07,093 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:08,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 2794 conjuncts, 344 conjunts are in the unsatisfiable core [2023-12-03 00:11:08,041 INFO L285 TraceCheckSpWp]: Computing forward predicates...