./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg --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 4d343f015bdade7c926dd004d939f544af176f7aa18eb19c6126e0789fd25a47 --- 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-b5237d8 [2022-11-22 00:02:41,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:02:41,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:02:41,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:02:41,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:02:41,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:02:41,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:02:41,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:02:41,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:02:41,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:02:41,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:02:41,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:02:41,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:02:41,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:02:41,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:02:41,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:02:41,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:02:41,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:02:41,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:02:41,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:02:41,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:02:41,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:02:41,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:02:41,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:02:41,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:02:41,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:02:41,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:02:41,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:02:41,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:02:41,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:02:41,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:02:41,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:02:41,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:02:41,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:02:41,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:02:41,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:02:41,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:02:41,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:02:41,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:02:41,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:02:41,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:02:41,253 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-22 00:02:41,298 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:02:41,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:02:41,300 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:02:41,301 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-22 00:02:41,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-22 00:02:41,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-22 00:02:41,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:02:41,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:02:41,303 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:02:41,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:02:41,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:02:41,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:02:41,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:02:41,305 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:02:41,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:02:41,305 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-22 00:02:41,306 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-22 00:02:41,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:02:41,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-22 00:02:41,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:02:41,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:02:41,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:02:41,307 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-22 00:02:41,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:02:41,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:02:41,308 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_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d343f015bdade7c926dd004d939f544af176f7aa18eb19c6126e0789fd25a47 [2022-11-22 00:02:41,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:02:41,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:02:41,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:02:41,643 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:02:41,643 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:02:41,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c [2022-11-22 00:02:44,725 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:02:45,041 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:02:45,042 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c [2022-11-22 00:02:45,072 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/data/6552b31c9/7e99014ccf6d4a239938567e83fdddff/FLAG1e6d263d1 [2022-11-22 00:02:45,086 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/data/6552b31c9/7e99014ccf6d4a239938567e83fdddff [2022-11-22 00:02:45,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:02:45,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:02:45,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:02:45,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:02:45,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:02:45,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:02:45" (1/1) ... [2022-11-22 00:02:45,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74bb9add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:45, skipping insertion in model container [2022-11-22 00:02:45,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:02:45" (1/1) ... [2022-11-22 00:02:45,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:02:45,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:02:45,325 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_28085296-f1ee-45be-911a-5bec65719819/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c[1014,1027] [2022-11-22 00:02:45,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:02:45,737 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:02:45,749 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_28085296-f1ee-45be-911a-5bec65719819/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c[1014,1027] [2022-11-22 00:02:45,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:02:45,953 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:02:45,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:45 WrapperNode [2022-11-22 00:02:45,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:02:45,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:02:45,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:02:45,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:02:45,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:45" (1/1) ... [2022-11-22 00:02:46,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:45" (1/1) ... [2022-11-22 00:02:46,177 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1487 [2022-11-22 00:02:46,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:02:46,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:02:46,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:02:46,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:02:46,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:45" (1/1) ... [2022-11-22 00:02:46,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:45" (1/1) ... [2022-11-22 00:02:46,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:45" (1/1) ... [2022-11-22 00:02:46,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:45" (1/1) ... [2022-11-22 00:02:46,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:45" (1/1) ... [2022-11-22 00:02:46,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:45" (1/1) ... [2022-11-22 00:02:46,296 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:45" (1/1) ... [2022-11-22 00:02:46,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:45" (1/1) ... [2022-11-22 00:02:46,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:02:46,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:02:46,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:02:46,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:02:46,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:02:45" (1/1) ... [2022-11-22 00:02:46,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-22 00:02:46,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/z3 [2022-11-22 00:02:46,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-22 00:02:46,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-22 00:02:46,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:02:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:02:46,917 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:02:46,927 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:03:47,070 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:03:47,111 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:03:47,111 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 00:03:47,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:03:47 BoogieIcfgContainer [2022-11-22 00:03:47,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:03:47,118 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-22 00:03:47,119 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-22 00:03:47,130 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-22 00:03:47,130 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:03:47" (1/1) ... [2022-11-22 00:03:47,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:03:47,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:03:47,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-22 00:03:47,229 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-22 00:03:47,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 00:03:47,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:03:47,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:03:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:03:51,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:04:01,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-22 00:04:11,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-22 00:04:12,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:04:12,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-11-22 00:04:12,988 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-11-22 00:04:12,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 00:04:12,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:04:12,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:05:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 00:05:13,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 00:05:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 00:06:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-11-22 00:06:04,504 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) [2022-11-22 00:06:04,512 INFO L158 Benchmark]: Toolchain (without parser) took 199420.60ms. Allocated memory was 144.7MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 97.4MB in the beginning and 764.0MB in the end (delta: -666.7MB). Peak memory consumption was 800.9MB. Max. memory is 16.1GB. [2022-11-22 00:06:04,513 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 144.7MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:06:04,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 862.63ms. Allocated memory is still 144.7MB. Free memory was 96.8MB in the beginning and 106.1MB in the end (delta: -9.3MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2022-11-22 00:06:04,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 223.59ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 106.1MB in the beginning and 138.9MB in the end (delta: -32.9MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2022-11-22 00:06:04,516 INFO L158 Benchmark]: Boogie Preprocessor took 161.80ms. Allocated memory is still 192.9MB. Free memory was 138.9MB in the beginning and 130.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-22 00:06:04,517 INFO L158 Benchmark]: RCFGBuilder took 60771.51ms. Allocated memory was 192.9MB in the beginning and 931.1MB in the end (delta: 738.2MB). Free memory was 130.5MB in the beginning and 658.0MB in the end (delta: -527.5MB). Peak memory consumption was 552.5MB. Max. memory is 16.1GB. [2022-11-22 00:06:04,518 INFO L158 Benchmark]: CodeCheck took 137392.39ms. Allocated memory was 931.1MB in the beginning and 1.6GB in the end (delta: 679.5MB). Free memory was 658.0MB in the beginning and 764.0MB in the end (delta: -106.0MB). Peak memory consumption was 573.5MB. Max. memory is 16.1GB. [2022-11-22 00:06:04,522 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 0.35ms. Allocated memory is still 144.7MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 862.63ms. Allocated memory is still 144.7MB. Free memory was 96.8MB in the beginning and 106.1MB in the end (delta: -9.3MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 223.59ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 106.1MB in the beginning and 138.9MB in the end (delta: -32.9MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 161.80ms. Allocated memory is still 192.9MB. Free memory was 138.9MB in the beginning and 130.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 60771.51ms. Allocated memory was 192.9MB in the beginning and 931.1MB in the end (delta: 738.2MB). Free memory was 130.5MB in the beginning and 658.0MB in the end (delta: -527.5MB). Peak memory consumption was 552.5MB. Max. memory is 16.1GB. * CodeCheck took 137392.39ms. Allocated memory was 931.1MB in the beginning and 1.6GB in the end (delta: 679.5MB). Free memory was 658.0MB in the beginning and 764.0MB in the end (delta: -106.0MB). Peak memory consumption was 573.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-22 00:06:04,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg --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 4d343f015bdade7c926dd004d939f544af176f7aa18eb19c6126e0789fd25a47 --- 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-b5237d8 [2022-11-22 00:06:07,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:06:07,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:06:07,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:06:07,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:06:07,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:06:07,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:06:07,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:06:07,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:06:07,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:06:07,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:06:07,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:06:07,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:06:07,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:06:07,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:06:07,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:06:07,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:06:07,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:06:07,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:06:07,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:06:07,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:06:07,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:06:07,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:06:07,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:06:07,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:06:07,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:06:07,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:06:07,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:06:07,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:06:07,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:06:07,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:06:07,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:06:07,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:06:07,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:06:07,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:06:07,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:06:07,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:06:07,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:06:07,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:06:07,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:06:07,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:06:07,202 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-11-22 00:06:07,241 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:06:07,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:06:07,244 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:06:07,244 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-22 00:06:07,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-22 00:06:07,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-22 00:06:07,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:06:07,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:06:07,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:06:07,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:06:07,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:06:07,248 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 00:06:07,248 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 00:06:07,248 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 00:06:07,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:06:07,248 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:06:07,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:06:07,249 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-22 00:06:07,249 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-22 00:06:07,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:06:07,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-22 00:06:07,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:06:07,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:06:07,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:06:07,250 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 00:06:07,251 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 00:06:07,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:06:07,251 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-22 00:06:07,251 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 00:06:07,251 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_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d343f015bdade7c926dd004d939f544af176f7aa18eb19c6126e0789fd25a47 [2022-11-22 00:06:07,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:06:07,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:06:07,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:06:07,651 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:06:07,652 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:06:07,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c [2022-11-22 00:06:11,002 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:06:11,335 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:06:11,336 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c [2022-11-22 00:06:11,358 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/data/ffbc2db4c/405ca26a1d194b328d7a9c8347c05c44/FLAG2d0ec524d [2022-11-22 00:06:11,384 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/data/ffbc2db4c/405ca26a1d194b328d7a9c8347c05c44 [2022-11-22 00:06:11,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:06:11,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:06:11,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:06:11,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:06:11,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:06:11,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:06:11" (1/1) ... [2022-11-22 00:06:11,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6281db28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:06:11, skipping insertion in model container [2022-11-22 00:06:11,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:06:11" (1/1) ... [2022-11-22 00:06:11,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:06:11,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:06:11,717 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_28085296-f1ee-45be-911a-5bec65719819/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c[1014,1027] [2022-11-22 00:06:12,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:06:12,133 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:06:12,144 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_28085296-f1ee-45be-911a-5bec65719819/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c[1014,1027] [2022-11-22 00:06:12,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:06:12,337 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:06:12,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:06:12 WrapperNode [2022-11-22 00:06:12,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:06:12,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:06:12,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:06:12,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:06:12,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:06:12" (1/1) ... [2022-11-22 00:06:12,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:06:12" (1/1) ... [2022-11-22 00:06:12,493 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1487 [2022-11-22 00:06:12,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:06:12,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:06:12,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:06:12,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:06:12,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:06:12" (1/1) ... [2022-11-22 00:06:12,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:06:12" (1/1) ... [2022-11-22 00:06:12,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:06:12" (1/1) ... [2022-11-22 00:06:12,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:06:12" (1/1) ... [2022-11-22 00:06:12,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:06:12" (1/1) ... [2022-11-22 00:06:12,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:06:12" (1/1) ... [2022-11-22 00:06:12,587 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:06:12" (1/1) ... [2022-11-22 00:06:12,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:06:12" (1/1) ... [2022-11-22 00:06:12,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:06:12,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:06:12,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:06:12,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:06:12,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:06:12" (1/1) ... [2022-11-22 00:06:12,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-22 00:06:12,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/z3 [2022-11-22 00:06:12,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-22 00:06:12,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-22 00:06:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:06:12,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:06:13,162 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:06:13,164 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:06:15,344 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:06:15,384 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:06:15,384 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 00:06:15,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:06:15 BoogieIcfgContainer [2022-11-22 00:06:15,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:06:15,388 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-22 00:06:15,388 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-22 00:06:15,399 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-22 00:06:15,399 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:06:15" (1/1) ... [2022-11-22 00:06:15,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:06:15,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-22 00:06:15,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-22 00:06:15,477 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-22 00:06:15,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 00:06:15,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-22 00:06:15,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:06:15,524 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) [2022-11-22 00:06:15,531 INFO L158 Benchmark]: Toolchain (without parser) took 4142.16ms. Allocated memory was 71.3MB in the beginning and 136.3MB in the end (delta: 65.0MB). Free memory was 40.6MB in the beginning and 76.9MB in the end (delta: -36.3MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2022-11-22 00:06:15,531 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 71.3MB. Free memory was 48.3MB in the beginning and 48.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:06:15,532 INFO L158 Benchmark]: CACSL2BoogieTranslator took 948.26ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 40.3MB in the beginning and 52.3MB in the end (delta: -12.0MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2022-11-22 00:06:15,533 INFO L158 Benchmark]: Boogie Procedure Inliner took 153.26ms. Allocated memory is still 88.1MB. Free memory was 52.3MB in the beginning and 41.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-22 00:06:15,534 INFO L158 Benchmark]: Boogie Preprocessor took 124.61ms. Allocated memory is still 88.1MB. Free memory was 41.9MB in the beginning and 52.6MB in the end (delta: -10.7MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2022-11-22 00:06:15,535 INFO L158 Benchmark]: RCFGBuilder took 2767.60ms. Allocated memory was 88.1MB in the beginning and 136.3MB in the end (delta: 48.2MB). Free memory was 52.2MB in the beginning and 83.2MB in the end (delta: -31.0MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2022-11-22 00:06:15,536 INFO L158 Benchmark]: CodeCheck took 140.89ms. Allocated memory is still 136.3MB. Free memory was 83.2MB in the beginning and 76.9MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-22 00:06:15,546 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 0.30ms. Allocated memory is still 71.3MB. Free memory was 48.3MB in the beginning and 48.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 948.26ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 40.3MB in the beginning and 52.3MB in the end (delta: -12.0MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 153.26ms. Allocated memory is still 88.1MB. Free memory was 52.3MB in the beginning and 41.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 124.61ms. Allocated memory is still 88.1MB. Free memory was 41.9MB in the beginning and 52.6MB in the end (delta: -10.7MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * RCFGBuilder took 2767.60ms. Allocated memory was 88.1MB in the beginning and 136.3MB in the end (delta: 48.2MB). Free memory was 52.2MB in the beginning and 83.2MB in the end (delta: -31.0MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. * CodeCheck took 140.89ms. Allocated memory is still 136.3MB. Free memory was 83.2MB in the beginning and 76.9MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-22 00:06:15,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28085296-f1ee-45be-911a-5bec65719819/bin/ukojak-jW3SillKbg/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