./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH --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 d5e9c165e89269546f0dd538fe4c141181dbba699ba59fd34d84328d978738d4 --- 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-e04fb08 [2022-11-16 08:18:32,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 08:18:32,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 08:18:32,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 08:18:32,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 08:18:32,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 08:18:32,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 08:18:32,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 08:18:32,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 08:18:32,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 08:18:32,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 08:18:32,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 08:18:32,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 08:18:32,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 08:18:32,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 08:18:32,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 08:18:32,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 08:18:32,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 08:18:32,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 08:18:32,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 08:18:32,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 08:18:32,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 08:18:32,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 08:18:32,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 08:18:32,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 08:18:32,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 08:18:32,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 08:18:32,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 08:18:32,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 08:18:32,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 08:18:32,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 08:18:32,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 08:18:32,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 08:18:32,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 08:18:32,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 08:18:32,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 08:18:32,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 08:18:32,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 08:18:32,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 08:18:32,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 08:18:33,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 08:18:33,001 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-16 08:18:33,043 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 08:18:33,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 08:18:33,044 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 08:18:33,045 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 08:18:33,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 08:18:33,046 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 08:18:33,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 08:18:33,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 08:18:33,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 08:18:33,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 08:18:33,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 08:18:33,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 08:18:33,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 08:18:33,048 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 08:18:33,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 08:18:33,049 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 08:18:33,049 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 08:18:33,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 08:18:33,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:18:33,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 08:18:33,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 08:18:33,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 08:18:33,050 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 08:18:33,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 08:18:33,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 08:18:33,051 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_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5e9c165e89269546f0dd538fe4c141181dbba699ba59fd34d84328d978738d4 [2022-11-16 08:18:33,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 08:18:33,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 08:18:33,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 08:18:33,414 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 08:18:33,415 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 08:18:33,417 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-back-serstep.c [2022-11-16 08:18:33,519 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/data/a703f6a6a/2e7a5f13f0c04e82964a2f0d5888e4cf/FLAG332eaeef0 [2022-11-16 08:18:34,311 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 08:18:34,312 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-back-serstep.c [2022-11-16 08:18:34,334 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/data/a703f6a6a/2e7a5f13f0c04e82964a2f0d5888e4cf/FLAG332eaeef0 [2022-11-16 08:18:34,424 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/data/a703f6a6a/2e7a5f13f0c04e82964a2f0d5888e4cf [2022-11-16 08:18:34,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 08:18:34,428 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 08:18:34,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 08:18:34,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 08:18:34,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 08:18:34,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:18:34" (1/1) ... [2022-11-16 08:18:34,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d042e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:34, skipping insertion in model container [2022-11-16 08:18:34,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:18:34" (1/1) ... [2022-11-16 08:18:34,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 08:18:34,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 08:18:34,779 WARN L229 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_9dba6ec6-d757-455e-b007-400e5fb383e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-back-serstep.c[1014,1027] [2022-11-16 08:18:35,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:18:35,301 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 08:18:35,312 WARN L229 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_9dba6ec6-d757-455e-b007-400e5fb383e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-back-serstep.c[1014,1027] [2022-11-16 08:18:35,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:18:35,556 INFO L208 MainTranslator]: Completed translation [2022-11-16 08:18:35,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:35 WrapperNode [2022-11-16 08:18:35,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 08:18:35,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 08:18:35,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 08:18:35,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 08:18:35,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:35" (1/1) ... [2022-11-16 08:18:35,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:35" (1/1) ... [2022-11-16 08:18:35,913 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4763 [2022-11-16 08:18:35,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 08:18:35,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 08:18:35,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 08:18:35,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 08:18:35,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:35" (1/1) ... [2022-11-16 08:18:35,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:35" (1/1) ... [2022-11-16 08:18:35,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:35" (1/1) ... [2022-11-16 08:18:35,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:35" (1/1) ... [2022-11-16 08:18:36,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:35" (1/1) ... [2022-11-16 08:18:36,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:35" (1/1) ... [2022-11-16 08:18:36,120 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:35" (1/1) ... [2022-11-16 08:18:36,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:35" (1/1) ... [2022-11-16 08:18:36,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 08:18:36,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 08:18:36,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 08:18:36,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 08:18:36,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:35" (1/1) ... [2022-11-16 08:18:36,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:18:36,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 08:18:36,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 08:18:36,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 08:18:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 08:18:36,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 08:18:36,936 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 08:18:36,938 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 08:18:43,103 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 08:19:14,331 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 08:19:14,331 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 08:19:14,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:19:14 BoogieIcfgContainer [2022-11-16 08:19:14,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 08:19:14,335 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 08:19:14,335 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 08:19:14,351 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 08:19:14,351 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:19:14" (1/1) ... [2022-11-16 08:19:14,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 08:19:14,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:14,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-16 08:19:14,408 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-16 08:19:14,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 08:19:14,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:14,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:19:17,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:19:28,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-16 08:19:38,212 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 [] [2022-11-16 08:19:39,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:19:39,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-11-16 08:19:39,719 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-11-16 08:19:39,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-16 08:19:39,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:19:39,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:19:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-11-16 08:19:51,619 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) [2022-11-16 08:19:51,623 INFO L158 Benchmark]: Toolchain (without parser) took 77195.29ms. Allocated memory was 111.1MB in the beginning and 7.7GB in the end (delta: 7.6GB). Free memory was 69.1MB in the beginning and 6.7GB in the end (delta: -6.6GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2022-11-16 08:19:51,624 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:19:51,625 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1127.56ms. Allocated memory is still 111.1MB. Free memory was 68.9MB in the beginning and 42.8MB in the end (delta: 26.2MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2022-11-16 08:19:51,626 INFO L158 Benchmark]: Boogie Procedure Inliner took 354.72ms. Allocated memory was 111.1MB in the beginning and 180.4MB in the end (delta: 69.2MB). Free memory was 42.8MB in the beginning and 109.8MB in the end (delta: -67.1MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2022-11-16 08:19:51,626 INFO L158 Benchmark]: Boogie Preprocessor took 257.37ms. Allocated memory is still 180.4MB. Free memory was 109.8MB in the beginning and 98.2MB in the end (delta: 11.6MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2022-11-16 08:19:51,627 INFO L158 Benchmark]: RCFGBuilder took 38162.26ms. Allocated memory was 180.4MB in the beginning and 7.7GB in the end (delta: 7.5GB). Free memory was 98.2MB in the beginning and 6.4GB in the end (delta: -6.3GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2022-11-16 08:19:51,628 INFO L158 Benchmark]: CodeCheck took 37287.27ms. Allocated memory is still 7.7GB. Free memory was 6.4GB in the beginning and 6.7GB in the end (delta: -252.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:19:51,631 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 0.31ms. Allocated memory is still 111.1MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1127.56ms. Allocated memory is still 111.1MB. Free memory was 68.9MB in the beginning and 42.8MB in the end (delta: 26.2MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 354.72ms. Allocated memory was 111.1MB in the beginning and 180.4MB in the end (delta: 69.2MB). Free memory was 42.8MB in the beginning and 109.8MB in the end (delta: -67.1MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 257.37ms. Allocated memory is still 180.4MB. Free memory was 109.8MB in the beginning and 98.2MB in the end (delta: 11.6MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * RCFGBuilder took 38162.26ms. Allocated memory was 180.4MB in the beginning and 7.7GB in the end (delta: 7.5GB). Free memory was 98.2MB in the beginning and 6.4GB in the end (delta: -6.3GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * CodeCheck took 37287.27ms. Allocated memory is still 7.7GB. Free memory was 6.4GB in the beginning and 6.7GB in the end (delta: -252.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 08:19:51,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH --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 d5e9c165e89269546f0dd538fe4c141181dbba699ba59fd34d84328d978738d4 --- 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-e04fb08 [2022-11-16 08:19:54,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 08:19:54,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 08:19:54,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 08:19:54,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 08:19:54,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 08:19:54,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 08:19:54,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 08:19:54,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 08:19:54,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 08:19:54,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 08:19:54,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 08:19:54,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 08:19:54,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 08:19:54,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 08:19:54,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 08:19:54,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 08:19:54,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 08:19:54,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 08:19:54,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 08:19:54,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 08:19:54,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 08:19:54,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 08:19:54,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 08:19:54,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 08:19:54,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 08:19:54,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 08:19:54,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 08:19:54,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 08:19:54,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 08:19:54,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 08:19:54,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 08:19:54,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 08:19:54,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 08:19:54,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 08:19:54,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 08:19:54,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 08:19:54,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 08:19:54,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 08:19:54,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 08:19:54,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 08:19:54,303 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-11-16 08:19:54,343 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 08:19:54,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 08:19:54,344 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 08:19:54,344 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 08:19:54,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 08:19:54,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 08:19:54,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 08:19:54,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 08:19:54,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 08:19:54,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 08:19:54,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 08:19:54,349 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 08:19:54,349 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 08:19:54,349 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 08:19:54,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 08:19:54,350 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 08:19:54,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 08:19:54,350 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 08:19:54,350 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 08:19:54,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 08:19:54,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:19:54,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 08:19:54,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 08:19:54,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 08:19:54,352 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 08:19:54,352 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 08:19:54,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 08:19:54,353 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-16 08:19:54,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 08:19:54,353 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_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5e9c165e89269546f0dd538fe4c141181dbba699ba59fd34d84328d978738d4 [2022-11-16 08:19:54,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 08:19:54,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 08:19:54,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 08:19:54,810 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 08:19:54,811 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 08:19:54,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-back-serstep.c [2022-11-16 08:19:54,900 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/data/cf4e9f904/bb532c02c795404ba7d7249c4da18566/FLAGc716e8cb2 [2022-11-16 08:19:55,656 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 08:19:55,657 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-back-serstep.c [2022-11-16 08:19:55,705 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/data/cf4e9f904/bb532c02c795404ba7d7249c4da18566/FLAGc716e8cb2 [2022-11-16 08:19:55,781 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/data/cf4e9f904/bb532c02c795404ba7d7249c4da18566 [2022-11-16 08:19:55,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 08:19:55,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 08:19:55,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 08:19:55,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 08:19:55,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 08:19:55,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:19:55" (1/1) ... [2022-11-16 08:19:55,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c1e8c5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:55, skipping insertion in model container [2022-11-16 08:19:55,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:19:55" (1/1) ... [2022-11-16 08:19:55,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 08:19:55,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 08:19:56,134 WARN L229 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_9dba6ec6-d757-455e-b007-400e5fb383e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-back-serstep.c[1014,1027] [2022-11-16 08:19:56,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:19:56,666 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 08:19:56,680 WARN L229 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_9dba6ec6-d757-455e-b007-400e5fb383e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop2-back-serstep.c[1014,1027] [2022-11-16 08:19:56,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:19:56,893 INFO L208 MainTranslator]: Completed translation [2022-11-16 08:19:56,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:56 WrapperNode [2022-11-16 08:19:56,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 08:19:56,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 08:19:56,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 08:19:56,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 08:19:56,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:56" (1/1) ... [2022-11-16 08:19:56,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:56" (1/1) ... [2022-11-16 08:19:57,095 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2915 [2022-11-16 08:19:57,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 08:19:57,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 08:19:57,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 08:19:57,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 08:19:57,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:56" (1/1) ... [2022-11-16 08:19:57,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:56" (1/1) ... [2022-11-16 08:19:57,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:56" (1/1) ... [2022-11-16 08:19:57,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:56" (1/1) ... [2022-11-16 08:19:57,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:56" (1/1) ... [2022-11-16 08:19:57,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:56" (1/1) ... [2022-11-16 08:19:57,183 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:56" (1/1) ... [2022-11-16 08:19:57,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:56" (1/1) ... [2022-11-16 08:19:57,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 08:19:57,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 08:19:57,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 08:19:57,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 08:19:57,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:19:56" (1/1) ... [2022-11-16 08:19:57,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:19:57,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 08:19:57,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 08:19:57,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 08:19:57,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 08:19:57,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 08:19:58,110 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 08:19:58,112 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 08:20:04,796 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 08:20:04,843 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 08:20:04,844 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 08:20:04,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:20:04 BoogieIcfgContainer [2022-11-16 08:20:04,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 08:20:04,847 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 08:20:04,848 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 08:20:04,857 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 08:20:04,858 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:20:04" (1/1) ... [2022-11-16 08:20:04,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 08:20:04,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:04,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-16 08:20:04,924 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-16 08:20:04,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 08:20:04,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:04,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:04,971 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) [2022-11-16 08:20:04,978 INFO L158 Benchmark]: Toolchain (without parser) took 9192.11ms. Allocated memory was 62.9MB in the beginning and 297.8MB in the end (delta: 234.9MB). Free memory was 38.8MB in the beginning and 141.9MB in the end (delta: -103.1MB). Peak memory consumption was 132.8MB. Max. memory is 16.1GB. [2022-11-16 08:20:04,980 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory was 43.9MB in the beginning and 43.9MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:20:04,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1110.20ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 38.6MB in the beginning and 52.7MB in the end (delta: -14.1MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2022-11-16 08:20:04,982 INFO L158 Benchmark]: Boogie Procedure Inliner took 198.98ms. Allocated memory is still 88.1MB. Free memory was 52.4MB in the beginning and 45.1MB in the end (delta: 7.3MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2022-11-16 08:20:04,982 INFO L158 Benchmark]: Boogie Preprocessor took 145.80ms. Allocated memory is still 88.1MB. Free memory was 45.1MB in the beginning and 32.3MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 08:20:04,983 INFO L158 Benchmark]: RCFGBuilder took 7604.33ms. Allocated memory was 88.1MB in the beginning and 297.8MB in the end (delta: 209.7MB). Free memory was 32.3MB in the beginning and 147.2MB in the end (delta: -114.8MB). Peak memory consumption was 169.2MB. Max. memory is 16.1GB. [2022-11-16 08:20:04,984 INFO L158 Benchmark]: CodeCheck took 128.50ms. Allocated memory is still 297.8MB. Free memory was 147.2MB in the beginning and 141.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 08:20:04,993 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 0.31ms. Allocated memory is still 62.9MB. Free memory was 43.9MB in the beginning and 43.9MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1110.20ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 38.6MB in the beginning and 52.7MB in the end (delta: -14.1MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 198.98ms. Allocated memory is still 88.1MB. Free memory was 52.4MB in the beginning and 45.1MB in the end (delta: 7.3MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 145.80ms. Allocated memory is still 88.1MB. Free memory was 45.1MB in the beginning and 32.3MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 7604.33ms. Allocated memory was 88.1MB in the beginning and 297.8MB in the end (delta: 209.7MB). Free memory was 32.3MB in the beginning and 147.2MB in the end (delta: -114.8MB). Peak memory consumption was 169.2MB. Max. memory is 16.1GB. * CodeCheck took 128.50ms. Allocated memory is still 297.8MB. Free memory was 147.2MB in the beginning and 141.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 08:20:05,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dba6ec6-d757-455e-b007-400e5fb383e8/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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