./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 026640c75769f38d148746f44ad8b519694816894adc21d2ea76ee2174e4904c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 23:37:05,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:37:05,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:37:05,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:37:05,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:37:05,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:37:05,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:37:05,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:37:05,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:37:05,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:37:05,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:37:05,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:37:05,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:37:05,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:37:05,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:37:05,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:37:05,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:37:05,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:37:05,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:37:05,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:37:05,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:37:05,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:37:05,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:37:05,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:37:05,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:37:05,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:37:05,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:37:05,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:37:05,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:37:05,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:37:05,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:37:05,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:37:05,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:37:05,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:37:05,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:37:05,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:37:05,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:37:05,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:37:05,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:37:05,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:37:05,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:37:05,961 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-12-14 23:37:05,975 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:37:05,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:37:05,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:37:05,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:37:05,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:37:05,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:37:05,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:37:05,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:37:05,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:37:05,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:37:05,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:37:05,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:37:05,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:37:05,978 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:37:05,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:37:05,978 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:37:05,978 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:37:05,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:37:05,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:37:05,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:37:05,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:37:05,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:37:05,979 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:37:05,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:37:05,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:37:05,979 INFO L138 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_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 026640c75769f38d148746f44ad8b519694816894adc21d2ea76ee2174e4904c [2022-12-14 23:37:06,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:37:06,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:37:06,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:37:06,160 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:37:06,160 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:37:06,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-back-serstep.c [2022-12-14 23:37:08,704 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:37:08,990 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:37:08,990 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-back-serstep.c [2022-12-14 23:37:09,007 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/data/7328fa99f/b7e6ea50a4f64e04a62aa1e0ac308611/FLAGdb154cbe9 [2022-12-14 23:37:09,021 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/data/7328fa99f/b7e6ea50a4f64e04a62aa1e0ac308611 [2022-12-14 23:37:09,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:37:09,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:37:09,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:37:09,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:37:09,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:37:09,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:37:09" (1/1) ... [2022-12-14 23:37:09,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e2682e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:09, skipping insertion in model container [2022-12-14 23:37:09,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:37:09" (1/1) ... [2022-12-14 23:37:09,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:37:09,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:37:09,222 WARN L237 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_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-back-serstep.c[1014,1027] [2022-12-14 23:37:09,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:37:09,528 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:37:09,536 WARN L237 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_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-back-serstep.c[1014,1027] [2022-12-14 23:37:09,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:37:09,649 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:37:09,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:09 WrapperNode [2022-12-14 23:37:09,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:37:09,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:37:09,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:37:09,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:37:09,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:09" (1/1) ... [2022-12-14 23:37:09,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:09" (1/1) ... [2022-12-14 23:37:09,812 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2927 [2022-12-14 23:37:09,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:37:09,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:37:09,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:37:09,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:37:09,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:09" (1/1) ... [2022-12-14 23:37:09,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:09" (1/1) ... [2022-12-14 23:37:09,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:09" (1/1) ... [2022-12-14 23:37:09,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:09" (1/1) ... [2022-12-14 23:37:09,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:09" (1/1) ... [2022-12-14 23:37:09,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:09" (1/1) ... [2022-12-14 23:37:09,920 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:09" (1/1) ... [2022-12-14 23:37:09,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:09" (1/1) ... [2022-12-14 23:37:09,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:37:09,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:37:09,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:37:09,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:37:09,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:09" (1/1) ... [2022-12-14 23:37:09,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:37:09,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:37:09,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:37:09,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:37:10,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:37:10,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:37:10,387 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:37:10,389 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:50:19,727 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:50:19,760 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:50:19,760 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 23:50:19,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:50:19 BoogieIcfgContainer [2022-12-14 23:50:19,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:50:19,763 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:50:19,763 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:50:19,770 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:50:19,770 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:50:19" (1/1) ... [2022-12-14 23:50:19,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:50:19,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:50:19,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-14 23:50:19,814 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-14 23:50:19,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 23:50:19,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:50:19,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:50:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:50:21,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:50:31,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 23:50:42,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 23:50:44,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:50:44,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-12-14 23:50:44,312 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-12-14 23:50:44,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 23:50:44,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:50:44,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:50:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-12-14 23:50:55,569 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:487) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-12-14 23:50:55,573 INFO L158 Benchmark]: Toolchain (without parser) took 826546.83ms. Allocated memory was 111.1MB in the beginning and 1.0GB in the end (delta: 916.5MB). Free memory was 72.4MB in the beginning and 729.1MB in the end (delta: -656.7MB). Peak memory consumption was 262.7MB. Max. memory is 16.1GB. [2022-12-14 23:50:55,574 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory was 76.4MB in the beginning and 76.4MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:50:55,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 623.24ms. Allocated memory was 111.1MB in the beginning and 140.5MB in the end (delta: 29.4MB). Free memory was 72.4MB in the beginning and 87.0MB in the end (delta: -14.6MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2022-12-14 23:50:55,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 161.97ms. Allocated memory is still 140.5MB. Free memory was 87.0MB in the beginning and 73.3MB in the end (delta: 13.8MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2022-12-14 23:50:55,576 INFO L158 Benchmark]: Boogie Preprocessor took 153.66ms. Allocated memory is still 140.5MB. Free memory was 73.3MB in the beginning and 56.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 23:50:55,577 INFO L158 Benchmark]: RCFGBuilder took 789794.89ms. Allocated memory was 140.5MB in the beginning and 1.0GB in the end (delta: 887.1MB). Free memory was 56.5MB in the beginning and 447.5MB in the end (delta: -391.0MB). Peak memory consumption was 624.0MB. Max. memory is 16.1GB. [2022-12-14 23:50:55,577 INFO L158 Benchmark]: CodeCheck took 35809.14ms. Allocated memory is still 1.0GB. Free memory was 447.5MB in the beginning and 729.1MB in the end (delta: -281.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:50:55,581 INFO L339 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:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory was 76.4MB in the beginning and 76.4MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 623.24ms. Allocated memory was 111.1MB in the beginning and 140.5MB in the end (delta: 29.4MB). Free memory was 72.4MB in the beginning and 87.0MB in the end (delta: -14.6MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 161.97ms. Allocated memory is still 140.5MB. Free memory was 87.0MB in the beginning and 73.3MB in the end (delta: 13.8MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 153.66ms. Allocated memory is still 140.5MB. Free memory was 73.3MB in the beginning and 56.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 789794.89ms. Allocated memory was 140.5MB in the beginning and 1.0GB in the end (delta: 887.1MB). Free memory was 56.5MB in the beginning and 447.5MB in the end (delta: -391.0MB). Peak memory consumption was 624.0MB. Max. memory is 16.1GB. * CodeCheck took 35809.14ms. Allocated memory is still 1.0GB. Free memory was 447.5MB in the beginning and 729.1MB in the end (delta: -281.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 23:50:55,794 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2022-12-14 23:50:55,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 026640c75769f38d148746f44ad8b519694816894adc21d2ea76ee2174e4904c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 23:50:57,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:50:57,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:50:57,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:50:57,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:50:57,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:50:57,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:50:57,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:50:57,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:50:57,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:50:57,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:50:57,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:50:57,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:50:57,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:50:57,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:50:57,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:50:57,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:50:57,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:50:57,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:50:57,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:50:57,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:50:57,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:50:57,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:50:57,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:50:57,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:50:57,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:50:57,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:50:57,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:50:57,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:50:57,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:50:57,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:50:57,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:50:57,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:50:57,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:50:57,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:50:57,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:50:57,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:50:57,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:50:57,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:50:57,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:50:57,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:50:57,278 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-12-14 23:50:57,293 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:50:57,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:50:57,294 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:50:57,294 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:50:57,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:50:57,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:50:57,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:50:57,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:50:57,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:50:57,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:50:57,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:50:57,296 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 23:50:57,296 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 23:50:57,296 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 23:50:57,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:50:57,296 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:50:57,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:50:57,296 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:50:57,296 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:50:57,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:50:57,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:50:57,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:50:57,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:50:57,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:50:57,297 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 23:50:57,297 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 23:50:57,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:50:57,298 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 23:50:57,298 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 23:50:57,298 INFO L138 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_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 026640c75769f38d148746f44ad8b519694816894adc21d2ea76ee2174e4904c [2022-12-14 23:50:57,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:50:57,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:50:57,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:50:57,549 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:50:57,549 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:50:57,551 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-back-serstep.c [2022-12-14 23:51:00,154 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:51:00,395 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:51:00,396 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-back-serstep.c [2022-12-14 23:51:00,409 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/data/4351d3036/2c72fd93e8cc4326bc051e0558d2f3e1/FLAG9309e295b [2022-12-14 23:51:00,420 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/data/4351d3036/2c72fd93e8cc4326bc051e0558d2f3e1 [2022-12-14 23:51:00,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:51:00,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:51:00,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:51:00,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:51:00,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:51:00,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:51:00" (1/1) ... [2022-12-14 23:51:00,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5decd465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:00, skipping insertion in model container [2022-12-14 23:51:00,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:51:00" (1/1) ... [2022-12-14 23:51:00,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:51:00,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:51:00,610 WARN L237 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_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-back-serstep.c[1014,1027] [2022-12-14 23:51:00,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:51:00,858 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:51:00,866 WARN L237 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_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop4-back-serstep.c[1014,1027] [2022-12-14 23:51:00,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:51:00,984 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:51:00,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:00 WrapperNode [2022-12-14 23:51:00,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:51:00,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:51:00,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:51:00,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:51:00,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:00" (1/1) ... [2022-12-14 23:51:01,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:00" (1/1) ... [2022-12-14 23:51:01,105 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2927 [2022-12-14 23:51:01,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:51:01,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:51:01,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:51:01,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:51:01,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:00" (1/1) ... [2022-12-14 23:51:01,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:00" (1/1) ... [2022-12-14 23:51:01,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:00" (1/1) ... [2022-12-14 23:51:01,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:00" (1/1) ... [2022-12-14 23:51:01,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:00" (1/1) ... [2022-12-14 23:51:01,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:00" (1/1) ... [2022-12-14 23:51:01,177 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:00" (1/1) ... [2022-12-14 23:51:01,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:00" (1/1) ... [2022-12-14 23:51:01,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:51:01,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:51:01,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:51:01,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:51:01,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:51:00" (1/1) ... [2022-12-14 23:51:01,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:51:01,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:51:01,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:51:01,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:51:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:51:01,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:51:01,617 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:51:01,618 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:51:06,284 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:51:06,317 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:51:06,318 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 23:51:06,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:51:06 BoogieIcfgContainer [2022-12-14 23:51:06,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:51:06,320 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:51:06,320 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:51:06,328 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:51:06,328 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:51:06" (1/1) ... [2022-12-14 23:51:06,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:51:06,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:51:06,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-14 23:51:06,384 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-14 23:51:06,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 23:51:06,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:51:06,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:51:06,423 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-12-14 23:51:06,426 INFO L158 Benchmark]: Toolchain (without parser) took 6002.39ms. Allocated memory was 73.4MB in the beginning and 362.8MB in the end (delta: 289.4MB). Free memory was 47.0MB in the beginning and 171.3MB in the end (delta: -124.2MB). Peak memory consumption was 165.0MB. Max. memory is 16.1GB. [2022-12-14 23:51:06,427 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:51:06,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 560.23ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 46.9MB in the beginning and 42.4MB in the end (delta: 4.4MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2022-12-14 23:51:06,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.42ms. Allocated memory is still 88.1MB. Free memory was 42.4MB in the beginning and 36.1MB in the end (delta: 6.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-12-14 23:51:06,428 INFO L158 Benchmark]: Boogie Preprocessor took 101.40ms. Allocated memory is still 88.1MB. Free memory was 36.1MB in the beginning and 33.4MB in the end (delta: 2.7MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2022-12-14 23:51:06,429 INFO L158 Benchmark]: RCFGBuilder took 5112.09ms. Allocated memory was 88.1MB in the beginning and 362.8MB in the end (delta: 274.7MB). Free memory was 33.4MB in the beginning and 177.5MB in the end (delta: -144.1MB). Peak memory consumption was 181.7MB. Max. memory is 16.1GB. [2022-12-14 23:51:06,430 INFO L158 Benchmark]: CodeCheck took 104.98ms. Allocated memory is still 362.8MB. Free memory was 177.5MB in the beginning and 171.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 23:51:06,433 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 560.23ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 46.9MB in the beginning and 42.4MB in the end (delta: 4.4MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.42ms. Allocated memory is still 88.1MB. Free memory was 42.4MB in the beginning and 36.1MB in the end (delta: 6.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.40ms. Allocated memory is still 88.1MB. Free memory was 36.1MB in the beginning and 33.4MB in the end (delta: 2.7MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * RCFGBuilder took 5112.09ms. Allocated memory was 88.1MB in the beginning and 362.8MB in the end (delta: 274.7MB). Free memory was 33.4MB in the beginning and 177.5MB in the end (delta: -144.1MB). Peak memory consumption was 181.7MB. Max. memory is 16.1GB. * CodeCheck took 104.98ms. Allocated memory is still 362.8MB. Free memory was 177.5MB in the beginning and 171.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 23:51:06,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f45e90-dd4e-4efd-9fe1-3eb784a748a4/bin/ukojak-rkRKPMF4O4/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared