./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-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_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/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_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/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_85a3afb6-895a-4223-9fdb-c015dd850136/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 ed1fbe172781910b698f11048e4cce2261844899d2d3c3db2f8604dcc3aac844 --- 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 08:34:19,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 08:34:19,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 08:34:19,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 08:34:19,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 08:34:19,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 08:34:19,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 08:34:19,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 08:34:19,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 08:34:19,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 08:34:19,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 08:34:19,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 08:34:19,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 08:34:19,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 08:34:19,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 08:34:19,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 08:34:19,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 08:34:19,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 08:34:19,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 08:34:19,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 08:34:19,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 08:34:19,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 08:34:19,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 08:34:19,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 08:34:19,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 08:34:19,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 08:34:19,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 08:34:19,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 08:34:19,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 08:34:19,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 08:34:19,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 08:34:19,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 08:34:19,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 08:34:19,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 08:34:19,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 08:34:19,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 08:34:19,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 08:34:19,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 08:34:19,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 08:34:19,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 08:34:19,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 08:34:19,137 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-16 08:34:19,174 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 08:34:19,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 08:34:19,181 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 08:34:19,181 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 08:34:19,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 08:34:19,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 08:34:19,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 08:34:19,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 08:34:19,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 08:34:19,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 08:34:19,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 08:34:19,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 08:34:19,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 08:34:19,185 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 08:34:19,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 08:34:19,186 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 08:34:19,186 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 08:34:19,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 08:34:19,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:34:19,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 08:34:19,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 08:34:19,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 08:34:19,188 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 08:34:19,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 08:34:19,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 08:34:19,188 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_85a3afb6-895a-4223-9fdb-c015dd850136/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed1fbe172781910b698f11048e4cce2261844899d2d3c3db2f8604dcc3aac844 [2022-11-16 08:34:19,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 08:34:19,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 08:34:19,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 08:34:19,511 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 08:34:19,512 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 08:34:19,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-back-serstep.c [2022-11-16 08:34:19,609 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH/data/308d16418/ca3e5daa7d3741e7aa6dc3236df66fc5/FLAG6329eb37c [2022-11-16 08:34:20,356 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 08:34:20,357 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-back-serstep.c [2022-11-16 08:34:20,386 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH/data/308d16418/ca3e5daa7d3741e7aa6dc3236df66fc5/FLAG6329eb37c [2022-11-16 08:34:20,488 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH/data/308d16418/ca3e5daa7d3741e7aa6dc3236df66fc5 [2022-11-16 08:34:20,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 08:34:20,491 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 08:34:20,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 08:34:20,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 08:34:20,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 08:34:20,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:34:20" (1/1) ... [2022-11-16 08:34:20,503 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 08:34:20, skipping insertion in model container [2022-11-16 08:34:20,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:34:20" (1/1) ... [2022-11-16 08:34:20,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 08:34:20,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 08:34:20,866 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_85a3afb6-895a-4223-9fdb-c015dd850136/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-back-serstep.c[1014,1027] [2022-11-16 08:34:21,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:34:21,256 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 08:34:21,267 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_85a3afb6-895a-4223-9fdb-c015dd850136/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-back-serstep.c[1014,1027] [2022-11-16 08:34:21,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:34:21,511 INFO L208 MainTranslator]: Completed translation [2022-11-16 08:34:21,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:21 WrapperNode [2022-11-16 08:34:21,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 08:34:21,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 08:34:21,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 08:34:21,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 08:34:21,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:21" (1/1) ... [2022-11-16 08:34:21,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:21" (1/1) ... [2022-11-16 08:34:21,792 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4222 [2022-11-16 08:34:21,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 08:34:21,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 08:34:21,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 08:34:21,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 08:34:21,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:21" (1/1) ... [2022-11-16 08:34:21,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:21" (1/1) ... [2022-11-16 08:34:21,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:21" (1/1) ... [2022-11-16 08:34:21,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:21" (1/1) ... [2022-11-16 08:34:21,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:21" (1/1) ... [2022-11-16 08:34:21,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:21" (1/1) ... [2022-11-16 08:34:21,916 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:21" (1/1) ... [2022-11-16 08:34:21,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:21" (1/1) ... [2022-11-16 08:34:22,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 08:34:22,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 08:34:22,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 08:34:22,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 08:34:22,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:34:21" (1/1) ... [2022-11-16 08:34:22,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:34:22,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 08:34:22,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 08:34:22,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 08:34:22,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 08:34:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 08:34:22,700 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 08:34:22,702 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 08:34:28,872 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 08:34:44,607 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 08:34:44,607 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 08:34:44,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:34:44 BoogieIcfgContainer [2022-11-16 08:34:44,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 08:34:44,610 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 08:34:44,610 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 08:34:44,619 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 08:34:44,619 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:34:44" (1/1) ... [2022-11-16 08:34:44,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 08:34:44,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:34:44,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-16 08:34:44,686 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-16 08:34:44,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 08:34:44,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:34:44,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:34:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:34:48,292 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 08:34:58,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 08:35:08,663 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 [] [2022-11-16 08:35:11,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:35:11,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-11-16 08:35:11,032 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-11-16 08:35:11,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-16 08:35:11,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:35:11,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:39:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 08:39:16,461 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 08:43:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 08:44:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-11-16 08:44:06,539 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 08:44:06,548 INFO L158 Benchmark]: Toolchain (without parser) took 586054.94ms. Allocated memory was 102.8MB in the beginning and 6.2GB in the end (delta: 6.1GB). Free memory was 66.0MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB. [2022-11-16 08:44:06,549 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 102.8MB. Free memory was 56.1MB in the beginning and 56.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:44:06,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1019.58ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 65.7MB in the beginning and 75.5MB in the end (delta: -9.8MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2022-11-16 08:44:06,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 278.82ms. Allocated memory is still 134.2MB. Free memory was 74.8MB in the beginning and 67.5MB in the end (delta: 7.4MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2022-11-16 08:44:06,553 INFO L158 Benchmark]: Boogie Preprocessor took 224.54ms. Allocated memory is still 134.2MB. Free memory was 67.5MB in the beginning and 65.9MB in the end (delta: 1.6MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2022-11-16 08:44:06,554 INFO L158 Benchmark]: RCFGBuilder took 22590.97ms. Allocated memory was 134.2MB in the beginning and 4.1GB in the end (delta: 4.0GB). Free memory was 65.9MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2022-11-16 08:44:06,555 INFO L158 Benchmark]: CodeCheck took 561935.59ms. Allocated memory was 4.1GB in the beginning and 6.2GB in the end (delta: 2.1GB). Free memory was 1.6GB in the beginning and 3.4GB in the end (delta: -1.8GB). Peak memory consumption was 324.6MB. Max. memory is 16.1GB. [2022-11-16 08:44:06,565 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 0.30ms. Allocated memory is still 102.8MB. Free memory was 56.1MB in the beginning and 56.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1019.58ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 65.7MB in the beginning and 75.5MB in the end (delta: -9.8MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 278.82ms. Allocated memory is still 134.2MB. Free memory was 74.8MB in the beginning and 67.5MB in the end (delta: 7.4MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 224.54ms. Allocated memory is still 134.2MB. Free memory was 67.5MB in the beginning and 65.9MB in the end (delta: 1.6MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * RCFGBuilder took 22590.97ms. Allocated memory was 134.2MB in the beginning and 4.1GB in the end (delta: 4.0GB). Free memory was 65.9MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. * CodeCheck took 561935.59ms. Allocated memory was 4.1GB in the beginning and 6.2GB in the end (delta: 2.1GB). Free memory was 1.6GB in the beginning and 3.4GB in the end (delta: -1.8GB). Peak memory consumption was 324.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 08:44:06,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/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_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/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_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/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_85a3afb6-895a-4223-9fdb-c015dd850136/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 ed1fbe172781910b698f11048e4cce2261844899d2d3c3db2f8604dcc3aac844 --- 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 08:44:09,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 08:44:09,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 08:44:09,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 08:44:09,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 08:44:09,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 08:44:09,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 08:44:09,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 08:44:09,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 08:44:09,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 08:44:09,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 08:44:09,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 08:44:09,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 08:44:09,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 08:44:09,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 08:44:09,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 08:44:09,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 08:44:09,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 08:44:09,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 08:44:09,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 08:44:09,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 08:44:09,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 08:44:09,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 08:44:09,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 08:44:09,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 08:44:09,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 08:44:09,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 08:44:09,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 08:44:09,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 08:44:09,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 08:44:09,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 08:44:09,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 08:44:09,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 08:44:09,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 08:44:09,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 08:44:09,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 08:44:09,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 08:44:09,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 08:44:09,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 08:44:09,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 08:44:09,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 08:44:09,375 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-11-16 08:44:09,423 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 08:44:09,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 08:44:09,426 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 08:44:09,426 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 08:44:09,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 08:44:09,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 08:44:09,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 08:44:09,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 08:44:09,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 08:44:09,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 08:44:09,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 08:44:09,431 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 08:44:09,431 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 08:44:09,431 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 08:44:09,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 08:44:09,432 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 08:44:09,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 08:44:09,432 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 08:44:09,432 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 08:44:09,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 08:44:09,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:44:09,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 08:44:09,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 08:44:09,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 08:44:09,434 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 08:44:09,434 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 08:44:09,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 08:44:09,435 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-16 08:44:09,435 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 08:44:09,435 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_85a3afb6-895a-4223-9fdb-c015dd850136/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed1fbe172781910b698f11048e4cce2261844899d2d3c3db2f8604dcc3aac844 [2022-11-16 08:44:09,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 08:44:09,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 08:44:09,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 08:44:09,858 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 08:44:09,859 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 08:44:09,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-back-serstep.c [2022-11-16 08:44:09,947 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH/data/8c857223c/2cdb6519cc7d4f1aa897adfca573bbea/FLAG6056a68a5 [2022-11-16 08:44:10,677 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 08:44:10,678 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-back-serstep.c [2022-11-16 08:44:10,700 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH/data/8c857223c/2cdb6519cc7d4f1aa897adfca573bbea/FLAG6056a68a5 [2022-11-16 08:44:10,951 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH/data/8c857223c/2cdb6519cc7d4f1aa897adfca573bbea [2022-11-16 08:44:10,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 08:44:10,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 08:44:10,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 08:44:10,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 08:44:10,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 08:44:10,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:44:10" (1/1) ... [2022-11-16 08:44:10,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba21aa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:44:10, skipping insertion in model container [2022-11-16 08:44:10,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:44:10" (1/1) ... [2022-11-16 08:44:10,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 08:44:11,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 08:44:11,323 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_85a3afb6-895a-4223-9fdb-c015dd850136/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-back-serstep.c[1014,1027] [2022-11-16 08:44:11,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:44:11,813 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 08:44:11,826 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_85a3afb6-895a-4223-9fdb-c015dd850136/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.2.prop1-back-serstep.c[1014,1027] [2022-11-16 08:44:12,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:44:12,046 INFO L208 MainTranslator]: Completed translation [2022-11-16 08:44:12,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:44:12 WrapperNode [2022-11-16 08:44:12,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 08:44:12,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 08:44:12,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 08:44:12,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 08:44:12,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:44:12" (1/1) ... [2022-11-16 08:44:12,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:44:12" (1/1) ... [2022-11-16 08:44:12,247 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2542 [2022-11-16 08:44:12,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 08:44:12,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 08:44:12,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 08:44:12,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 08:44:12,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:44:12" (1/1) ... [2022-11-16 08:44:12,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:44:12" (1/1) ... [2022-11-16 08:44:12,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:44:12" (1/1) ... [2022-11-16 08:44:12,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:44:12" (1/1) ... [2022-11-16 08:44:12,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:44:12" (1/1) ... [2022-11-16 08:44:12,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:44:12" (1/1) ... [2022-11-16 08:44:12,415 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:44:12" (1/1) ... [2022-11-16 08:44:12,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:44:12" (1/1) ... [2022-11-16 08:44:12,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 08:44:12,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 08:44:12,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 08:44:12,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 08:44:12,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:44:12" (1/1) ... [2022-11-16 08:44:12,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:44:12,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 08:44:12,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 08:44:12,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 08:44:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 08:44:12,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 08:44:13,168 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 08:44:13,170 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 08:44:17,904 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 08:44:17,947 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 08:44:17,947 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 08:44:17,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:44:17 BoogieIcfgContainer [2022-11-16 08:44:17,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 08:44:17,951 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 08:44:17,951 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 08:44:17,960 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 08:44:17,961 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:44:17" (1/1) ... [2022-11-16 08:44:17,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 08:44:18,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:44:18,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-16 08:44:18,024 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-16 08:44:18,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 08:44:18,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:44:18,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:44:18,072 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 08:44:18,079 INFO L158 Benchmark]: Toolchain (without parser) took 7116.50ms. Allocated memory was 54.5MB in the beginning and 249.6MB in the end (delta: 195.0MB). Free memory was 27.8MB in the beginning and 137.1MB in the end (delta: -109.3MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. [2022-11-16 08:44:18,080 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 54.5MB. Free memory was 35.5MB in the beginning and 35.5MB in the end (delta: 65.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 08:44:18,081 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1078.48ms. Allocated memory was 54.5MB in the beginning and 79.7MB in the end (delta: 25.2MB). Free memory was 27.5MB in the beginning and 43.8MB in the end (delta: -16.2MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2022-11-16 08:44:18,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 198.28ms. Allocated memory was 79.7MB in the beginning and 123.7MB in the end (delta: 44.0MB). Free memory was 43.4MB in the beginning and 83.7MB in the end (delta: -40.4MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2022-11-16 08:44:18,083 INFO L158 Benchmark]: Boogie Preprocessor took 211.90ms. Allocated memory is still 123.7MB. Free memory was 83.7MB in the beginning and 72.7MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 08:44:18,085 INFO L158 Benchmark]: RCFGBuilder took 5488.36ms. Allocated memory was 123.7MB in the beginning and 249.6MB in the end (delta: 125.8MB). Free memory was 72.7MB in the beginning and 142.3MB in the end (delta: -69.7MB). Peak memory consumption was 142.7MB. Max. memory is 16.1GB. [2022-11-16 08:44:18,085 INFO L158 Benchmark]: CodeCheck took 125.67ms. Allocated memory is still 249.6MB. Free memory was 142.3MB in the beginning and 137.1MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 08:44:18,094 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 0.32ms. Allocated memory is still 54.5MB. Free memory was 35.5MB in the beginning and 35.5MB in the end (delta: 65.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1078.48ms. Allocated memory was 54.5MB in the beginning and 79.7MB in the end (delta: 25.2MB). Free memory was 27.5MB in the beginning and 43.8MB in the end (delta: -16.2MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 198.28ms. Allocated memory was 79.7MB in the beginning and 123.7MB in the end (delta: 44.0MB). Free memory was 43.4MB in the beginning and 83.7MB in the end (delta: -40.4MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 211.90ms. Allocated memory is still 123.7MB. Free memory was 83.7MB in the beginning and 72.7MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 5488.36ms. Allocated memory was 123.7MB in the beginning and 249.6MB in the end (delta: 125.8MB). Free memory was 72.7MB in the beginning and 142.3MB in the end (delta: -69.7MB). Peak memory consumption was 142.7MB. Max. memory is 16.1GB. * CodeCheck took 125.67ms. Allocated memory is still 249.6MB. Free memory was 142.3MB in the beginning and 137.1MB in the end (delta: 5.3MB). 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 08:44:18,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85a3afb6-895a-4223-9fdb-c015dd850136/bin/ukojak-CydTVMUXoH/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