./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.3.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_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/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_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/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_d5529879-f37a-4ca9-9f4e-0b722acc3128/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 a10e0f33753cb095900e9272f8c4b5a4de145c52f67cb793ee2a7056ed745d06 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:57:38,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:57:38,655 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 00:57:38,661 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:57:38,662 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:57:38,691 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:57:38,692 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:57:38,693 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:57:38,694 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:57:38,694 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:57:38,695 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:57:38,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:57:38,696 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:57:38,697 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:57:38,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:57:38,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:57:38,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:57:38,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:57:38,700 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:57:38,701 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:57:38,702 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:57:38,703 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:57:38,703 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:57:38,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:57:38,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:57:38,705 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:57:38,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:57:38,706 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:57:38,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:57:38,708 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:57:38,708 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_d5529879-f37a-4ca9-9f4e-0b722acc3128/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a10e0f33753cb095900e9272f8c4b5a4de145c52f67cb793ee2a7056ed745d06 [2023-12-03 00:57:38,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:57:38,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:57:39,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:57:39,003 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:57:39,003 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:57:39,005 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.3.prop1-func-interl.c [2023-12-03 00:57:42,617 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:57:43,059 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:57:43,060 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.3.prop1-func-interl.c [2023-12-03 00:57:43,091 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/data/0c2786cc4/db5f4e9022a04aa9b198a94b1087e848/FLAG45fff4205 [2023-12-03 00:57:43,111 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/data/0c2786cc4/db5f4e9022a04aa9b198a94b1087e848 [2023-12-03 00:57:43,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:57:43,116 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:57:43,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:57:43,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:57:43,125 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:57:43,126 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:57:43" (1/1) ... [2023-12-03 00:57:43,127 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50ddc484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:43, skipping insertion in model container [2023-12-03 00:57:43,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:57:43" (1/1) ... [2023-12-03 00:57:43,290 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:57:43,555 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_d5529879-f37a-4ca9-9f4e-0b722acc3128/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.3.prop1-func-interl.c[1176,1189] [2023-12-03 00:57:44,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:57:44,346 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:57:44,361 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_d5529879-f37a-4ca9-9f4e-0b722acc3128/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.3.prop1-func-interl.c[1176,1189] [2023-12-03 00:57:44,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:57:44,890 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:57:44,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:44 WrapperNode [2023-12-03 00:57:44,891 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:57:44,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:57:44,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:57:44,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:57:44,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:44" (1/1) ... [2023-12-03 00:57:45,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:44" (1/1) ... [2023-12-03 00:57:47,270 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21360 [2023-12-03 00:57:47,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:57:47,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:57:47,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:57:47,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:57:47,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:44" (1/1) ... [2023-12-03 00:57:47,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:44" (1/1) ... [2023-12-03 00:57:47,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:44" (1/1) ... [2023-12-03 00:57:47,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:44" (1/1) ... [2023-12-03 00:57:48,565 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:44" (1/1) ... [2023-12-03 00:57:48,698 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:44" (1/1) ... [2023-12-03 00:57:48,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:44" (1/1) ... [2023-12-03 00:57:48,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:44" (1/1) ... [2023-12-03 00:57:49,278 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:57:49,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:57:49,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:57:49,280 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:57:49,281 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:57:44" (1/1) ... [2023-12-03 00:57:49,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:57:49,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:57:49,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:57:49,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:57:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:57:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:57:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:57:49,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:57:50,608 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:57:50,611 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:58:05,637 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:58:50,873 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:58:50,873 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:58:50,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:58:50 BoogieIcfgContainer [2023-12-03 00:58:50,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:58:50,877 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:58:50,878 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:58:50,892 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:58:50,892 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:58:50" (1/1) ... [2023-12-03 00:58:50,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:58:50,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:58:50,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 00:58:50,964 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 00:58:50,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:58:50,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:58:50,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:58:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:58:54,947 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 00:59:06,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:59:16,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:59:18,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:59:18,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 00:59:18,962 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 00:59:18,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:59:18,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:59:18,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:59:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:59:33,850 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 00:59:33,856 INFO L158 Benchmark]: Toolchain (without parser) took 110739.00ms. Allocated memory was 192.9MB in the beginning and 7.7GB in the end (delta: 7.5GB). Free memory was 143.1MB in the beginning and 6.5GB in the end (delta: -6.4GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2023-12-03 00:59:33,857 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:59:33,859 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1773.91ms. Allocated memory was 192.9MB in the beginning and 278.9MB in the end (delta: 86.0MB). Free memory was 142.9MB in the beginning and 162.8MB in the end (delta: -20.0MB). Peak memory consumption was 128.9MB. Max. memory is 16.1GB. [2023-12-03 00:59:33,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 2377.76ms. Allocated memory was 278.9MB in the beginning and 989.9MB in the end (delta: 710.9MB). Free memory was 162.8MB in the beginning and 643.1MB in the end (delta: -480.2MB). Peak memory consumption was 306.2MB. Max. memory is 16.1GB. [2023-12-03 00:59:33,861 INFO L158 Benchmark]: Boogie Preprocessor took 2006.83ms. Allocated memory is still 989.9MB. Free memory was 643.1MB in the beginning and 508.9MB in the end (delta: 134.2MB). Peak memory consumption was 132.1MB. Max. memory is 16.1GB. [2023-12-03 00:59:33,863 INFO L158 Benchmark]: RCFGBuilder took 61596.56ms. Allocated memory was 989.9MB in the beginning and 6.5GB in the end (delta: 5.5GB). Free memory was 508.9MB in the beginning and 5.5GB in the end (delta: -5.0GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2023-12-03 00:59:33,864 INFO L158 Benchmark]: CodeCheck took 42976.81ms. Allocated memory was 6.5GB in the beginning and 7.7GB in the end (delta: 1.2GB). Free memory was 5.5GB in the beginning and 6.5GB in the end (delta: -1.0GB). Peak memory consumption was 614.5MB. Max. memory is 16.1GB. [2023-12-03 00:59:33,871 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 0.27ms. Allocated memory is still 121.6MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1773.91ms. Allocated memory was 192.9MB in the beginning and 278.9MB in the end (delta: 86.0MB). Free memory was 142.9MB in the beginning and 162.8MB in the end (delta: -20.0MB). Peak memory consumption was 128.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2377.76ms. Allocated memory was 278.9MB in the beginning and 989.9MB in the end (delta: 710.9MB). Free memory was 162.8MB in the beginning and 643.1MB in the end (delta: -480.2MB). Peak memory consumption was 306.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2006.83ms. Allocated memory is still 989.9MB. Free memory was 643.1MB in the beginning and 508.9MB in the end (delta: 134.2MB). Peak memory consumption was 132.1MB. Max. memory is 16.1GB. * RCFGBuilder took 61596.56ms. Allocated memory was 989.9MB in the beginning and 6.5GB in the end (delta: 5.5GB). Free memory was 508.9MB in the beginning and 5.5GB in the end (delta: -5.0GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. * CodeCheck took 42976.81ms. Allocated memory was 6.5GB in the beginning and 7.7GB in the end (delta: 1.2GB). Free memory was 5.5GB in the beginning and 6.5GB in the end (delta: -1.0GB). Peak memory consumption was 614.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:59:34,090 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 00:59:34,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/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_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/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_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/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_d5529879-f37a-4ca9-9f4e-0b722acc3128/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 a10e0f33753cb095900e9272f8c4b5a4de145c52f67cb793ee2a7056ed745d06 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:59:36,940 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:59:37,039 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 00:59:37,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:59:37,085 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:59:37,085 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:59:37,087 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:59:37,087 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:59:37,088 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:59:37,089 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:59:37,090 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:59:37,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:59:37,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:59:37,096 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:59:37,097 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:59:37,098 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:59:37,100 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:59:37,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:59:37,102 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:59:37,102 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:59:37,103 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:59:37,104 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:59:37,105 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:59:37,106 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:59:37,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:59:37,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:59:37,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:59:37,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:59:37,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:59:37,110 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:59:37,110 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:59:37,111 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:59:37,111 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:59:37,112 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:59:37,112 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_d5529879-f37a-4ca9-9f4e-0b722acc3128/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a10e0f33753cb095900e9272f8c4b5a4de145c52f67cb793ee2a7056ed745d06 [2023-12-03 00:59:37,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:59:37,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:59:37,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:59:37,527 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:59:37,528 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:59:37,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.3.prop1-func-interl.c [2023-12-03 00:59:41,096 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:59:41,560 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:59:41,560 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.3.prop1-func-interl.c [2023-12-03 00:59:41,587 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/data/dbde911a5/1611506aa5d74623873aa13f6f2603a6/FLAG0cf313ff5 [2023-12-03 00:59:41,605 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/data/dbde911a5/1611506aa5d74623873aa13f6f2603a6 [2023-12-03 00:59:41,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:59:41,610 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:59:41,611 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:59:41,612 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:59:41,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:59:41,618 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:59:41" (1/1) ... [2023-12-03 00:59:41,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27cd3437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:41, skipping insertion in model container [2023-12-03 00:59:41,620 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:59:41" (1/1) ... [2023-12-03 00:59:41,767 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:59:42,060 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_d5529879-f37a-4ca9-9f4e-0b722acc3128/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.3.prop1-func-interl.c[1176,1189] [2023-12-03 00:59:42,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:59:42,696 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:59:42,708 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_d5529879-f37a-4ca9-9f4e-0b722acc3128/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.3.prop1-func-interl.c[1176,1189] [2023-12-03 00:59:43,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:59:43,114 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:59:43,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:43 WrapperNode [2023-12-03 00:59:43,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:59:43,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:59:43,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:59:43,117 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:59:43,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:43" (1/1) ... [2023-12-03 00:59:43,264 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:43" (1/1) ... [2023-12-03 00:59:43,542 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5374 [2023-12-03 00:59:43,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:59:43,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:59:43,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:59:43,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:59:43,556 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:43" (1/1) ... [2023-12-03 00:59:43,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:43" (1/1) ... [2023-12-03 00:59:43,594 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:43" (1/1) ... [2023-12-03 00:59:43,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:43" (1/1) ... [2023-12-03 00:59:43,763 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:43" (1/1) ... [2023-12-03 00:59:43,791 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:43" (1/1) ... [2023-12-03 00:59:43,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:43" (1/1) ... [2023-12-03 00:59:43,849 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:43" (1/1) ... [2023-12-03 00:59:43,901 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:59:43,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:59:43,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:59:43,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:59:43,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:59:43" (1/1) ... [2023-12-03 00:59:43,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:59:43,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:59:43,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:59:43,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:59:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:59:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:59:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:59:44,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:59:45,016 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:59:45,019 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:00:03,230 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:00:03,532 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:00:03,532 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:00:03,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:00:03 BoogieIcfgContainer [2023-12-03 01:00:03,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:00:03,535 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:00:03,535 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:00:03,544 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:00:03,544 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:00:03" (1/1) ... [2023-12-03 01:00:03,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:00:03,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:03,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 01:00:03,611 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 01:00:03,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:00:03,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:03,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:00:03,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:00:03,616 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:00:03,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:00:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:05,370 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:00:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:05,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:00:05,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:06,091 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 01:00:06,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:00:11,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.54s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:00:13,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:00:13,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:00:13,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 01:00:13,753 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 01:00:13,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:00:13,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:00:13,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:00:13,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:00:13,756 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:00:13,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:00:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:19,998 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:00:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:00:22,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 4524 conjuncts, 209 conjunts are in the unsatisfiable core [2023-12-03 01:00:22,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:00:30,707 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 01:00:30,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:00:34,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:00:41,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.76s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:00:51,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.40s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:01:25,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.58s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:01:43,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.58s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:01:44,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:01:46,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:01:46,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2023-12-03 01:01:46,077 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2023-12-03 01:01:46,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:01:46,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:01:46,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:01:46,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:01:46,082 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:01:46,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:01:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:01:57,064 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:02:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:02:01,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 8820 conjuncts, 452 conjunts are in the unsatisfiable core [2023-12-03 01:02:01,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:03:58,285 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:03:58,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5529879-f37a-4ca9-9f4e-0b722acc3128/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 01:04:20,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.01s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:04:42,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.86s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:05:47,631 WARN L293 SmtUtils]: Spent 8.30s on a formula simplification. DAG size of input: 577 DAG size of output: 576 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:06:18,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:07:12,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.76s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:07:17,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:07:23,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.00s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:08:01,153 WARN L293 SmtUtils]: Spent 7.04s on a formula simplification. DAG size of input: 596 DAG size of output: 591 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:09:18,717 WARN L293 SmtUtils]: Spent 7.19s on a formula simplification. DAG size of input: 598 DAG size of output: 593 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:10:58,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]