./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ --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 e0b80b001f46b9958fd499d9a24ce530dbf6f37e78975cdf0f472d8dbdc342cd --- 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-6b4ec56 [2022-11-20 18:11:47,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:11:47,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:11:47,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:11:47,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:11:47,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:11:47,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:11:47,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:11:47,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:11:47,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:11:47,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:11:47,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:11:47,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:11:47,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:11:47,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:11:47,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:11:47,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:11:47,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:11:47,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:11:47,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:11:47,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:11:47,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:11:47,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:11:47,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:11:47,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:11:47,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:11:47,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:11:47,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:11:47,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:11:47,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:11:47,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:11:47,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:11:47,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:11:47,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:11:47,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:11:47,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:11:47,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:11:47,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:11:47,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:11:47,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:11:47,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:11:47,210 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-20 18:11:47,248 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:11:47,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:11:47,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:11:47,250 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:11:47,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:11:47,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:11:47,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:11:47,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:11:47,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:11:47,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:11:47,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:11:47,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:11:47,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:11:47,254 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:11:47,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:11:47,254 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:11:47,255 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:11:47,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:11:47,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:11:47,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:11:47,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:11:47,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:11:47,256 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:11:47,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:11:47,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:11:47,256 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_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0b80b001f46b9958fd499d9a24ce530dbf6f37e78975cdf0f472d8dbdc342cd [2022-11-20 18:11:47,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:11:47,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:11:47,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:11:47,571 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:11:47,572 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:11:47,573 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c [2022-11-20 18:11:50,599 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:11:50,821 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:11:50,822 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c [2022-11-20 18:11:50,830 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/data/191059daf/fc8d8f4bdcaa469b9e7fcf31299b1ff1/FLAG895a2b060 [2022-11-20 18:11:50,850 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/data/191059daf/fc8d8f4bdcaa469b9e7fcf31299b1ff1 [2022-11-20 18:11:50,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:11:50,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:11:50,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:11:50,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:11:50,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:11:50,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:11:50" (1/1) ... [2022-11-20 18:11:50,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43b83592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:50, skipping insertion in model container [2022-11-20 18:11:50,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:11:50" (1/1) ... [2022-11-20 18:11:50,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:11:50,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:11:51,023 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_2601e792-2c97-4ed2-93dc-036298b07029/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c[1107,1120] [2022-11-20 18:11:51,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:11:51,058 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:11:51,067 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_2601e792-2c97-4ed2-93dc-036298b07029/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c[1107,1120] [2022-11-20 18:11:51,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:11:51,091 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:11:51,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:51 WrapperNode [2022-11-20 18:11:51,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:11:51,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:11:51,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:11:51,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:11:51,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:51" (1/1) ... [2022-11-20 18:11:51,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:51" (1/1) ... [2022-11-20 18:11:51,125 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-11-20 18:11:51,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:11:51,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:11:51,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:11:51,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:11:51,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:51" (1/1) ... [2022-11-20 18:11:51,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:51" (1/1) ... [2022-11-20 18:11:51,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:51" (1/1) ... [2022-11-20 18:11:51,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:51" (1/1) ... [2022-11-20 18:11:51,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:51" (1/1) ... [2022-11-20 18:11:51,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:51" (1/1) ... [2022-11-20 18:11:51,155 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:51" (1/1) ... [2022-11-20 18:11:51,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:51" (1/1) ... [2022-11-20 18:11:51,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:11:51,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:11:51,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:11:51,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:11:51,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:51" (1/1) ... [2022-11-20 18:11:51,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:11:51,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:11:51,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:11:51,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:11:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:11:51,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:11:51,332 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:11:51,335 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:11:51,524 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:11:51,543 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:11:51,543 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 18:11:51,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:11:51 BoogieIcfgContainer [2022-11-20 18:11:51,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:11:51,547 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:11:51,547 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:11:51,557 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:11:51,558 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:11:51" (1/1) ... [2022-11-20 18:11:51,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:11:51,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:51,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-20 18:11:51,623 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-20 18:11:51,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:11:51,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:51,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:11:51,783 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:11:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:11:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:11:51,947 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 18:11:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 18:11:51,994 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-11-20 18:11:52,080 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 18:11:52,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:11:52 ImpRootNode [2022-11-20 18:11:52,084 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:11:52,085 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:11:52,085 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:11:52,085 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:11:52,086 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:11:51" (3/4) ... [2022-11-20 18:11:52,089 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 18:11:52,089 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:11:52,090 INFO L158 Benchmark]: Toolchain (without parser) took 1234.55ms. Allocated memory is still 125.8MB. Free memory was 94.9MB in the beginning and 96.1MB in the end (delta: -1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:11:52,091 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 102.8MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:11:52,091 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.41ms. Allocated memory is still 125.8MB. Free memory was 94.6MB in the beginning and 84.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:11:52,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.95ms. Allocated memory is still 125.8MB. Free memory was 84.5MB in the beginning and 83.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:11:52,093 INFO L158 Benchmark]: Boogie Preprocessor took 30.54ms. Allocated memory is still 125.8MB. Free memory was 83.0MB in the beginning and 81.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:11:52,103 INFO L158 Benchmark]: RCFGBuilder took 387.60ms. Allocated memory is still 125.8MB. Free memory was 81.7MB in the beginning and 69.8MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:11:52,104 INFO L158 Benchmark]: CodeCheck took 537.48ms. Allocated memory is still 125.8MB. Free memory was 69.8MB in the beginning and 96.6MB in the end (delta: -26.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 18:11:52,104 INFO L158 Benchmark]: Witness Printer took 4.69ms. Allocated memory is still 125.8MB. Free memory was 96.6MB in the beginning and 96.1MB in the end (delta: 560.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:11:52,108 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 56, overapproximation of bitwiseAnd at line 46. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 32); [L29] const SORT_7 msb_SORT_7 = (SORT_7)1 << (32 - 1); [L31] const SORT_1 var_4 = 1; [L32] const SORT_7 var_9 = 1; [L33] const SORT_1 var_17 = 0; [L35] SORT_1 input_2; [L36] SORT_1 input_3; [L38] SORT_1 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L40] SORT_1 init_6_arg_1 = var_4; [L41] state_5 = init_6_arg_1 VAL [init_6_arg_1=1, mask_SORT_1=1, mask_SORT_7=4294967295, msb_SORT_1=1, msb_SORT_7=2147483648, state_5=1, var_17=0, var_4=1, var_9=1] [L44] input_2 = __VERIFIER_nondet_uchar() [L45] input_3 = __VERIFIER_nondet_uchar() [L46] input_3 = input_3 & mask_SORT_1 [L49] SORT_1 var_8_arg_0 = state_5; [L50] var_8_arg_0 = var_8_arg_0 & mask_SORT_1 [L51] SORT_7 var_8 = var_8_arg_0; [L52] SORT_7 var_10_arg_0 = var_8; [L53] SORT_7 var_10_arg_1 = var_9; [L54] SORT_1 var_10 = var_10_arg_0 == var_10_arg_1; [L55] SORT_1 var_13_arg_0 = var_10; [L56] SORT_1 var_13 = ~var_13_arg_0; [L57] SORT_1 var_14_arg_0 = var_4; [L58] SORT_1 var_14_arg_1 = var_13; [L59] SORT_1 var_14 = var_14_arg_0 & var_14_arg_1; [L60] var_14 = var_14 & mask_SORT_1 [L61] SORT_1 bad_15_arg_0 = var_14; [L62] CALL __VERIFIER_assert(!(bad_15_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 102.8MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.41ms. Allocated memory is still 125.8MB. Free memory was 94.6MB in the beginning and 84.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.95ms. Allocated memory is still 125.8MB. Free memory was 84.5MB in the beginning and 83.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.54ms. Allocated memory is still 125.8MB. Free memory was 83.0MB in the beginning and 81.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 387.60ms. Allocated memory is still 125.8MB. Free memory was 81.7MB in the beginning and 69.8MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 537.48ms. Allocated memory is still 125.8MB. Free memory was 69.8MB in the beginning and 96.6MB in the end (delta: -26.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.69ms. Allocated memory is still 125.8MB. Free memory was 96.6MB in the beginning and 96.1MB in the end (delta: 560.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 18:11:52,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ --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 e0b80b001f46b9958fd499d9a24ce530dbf6f37e78975cdf0f472d8dbdc342cd --- 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-6b4ec56 [2022-11-20 18:11:54,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:11:54,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:11:54,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:11:54,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:11:54,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:11:54,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:11:54,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:11:54,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:11:54,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:11:54,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:11:54,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:11:54,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:11:54,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:11:54,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:11:54,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:11:54,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:11:54,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:11:54,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:11:54,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:11:54,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:11:54,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:11:54,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:11:54,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:11:54,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:11:54,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:11:54,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:11:54,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:11:54,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:11:54,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:11:54,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:11:54,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:11:54,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:11:54,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:11:54,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:11:54,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:11:54,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:11:54,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:11:54,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:11:54,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:11:54,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:11:54,811 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-11-20 18:11:54,853 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:11:54,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:11:54,855 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:11:54,856 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:11:54,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:11:54,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:11:54,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:11:54,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:11:54,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:11:54,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:11:54,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:11:54,859 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 18:11:54,859 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 18:11:54,860 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 18:11:54,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:11:54,860 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:11:54,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:11:54,861 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:11:54,861 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:11:54,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:11:54,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:11:54,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:11:54,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:11:54,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:11:54,862 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 18:11:54,863 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 18:11:54,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:11:54,863 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 18:11:54,863 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 18:11:54,864 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_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0b80b001f46b9958fd499d9a24ce530dbf6f37e78975cdf0f472d8dbdc342cd [2022-11-20 18:11:55,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:11:55,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:11:55,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:11:55,302 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:11:55,303 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:11:55,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c [2022-11-20 18:11:58,468 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:11:58,695 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:11:58,696 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c [2022-11-20 18:11:58,703 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/data/d2bc84172/ef19e52c057a441c9029a1c6f64edfb9/FLAG54509e149 [2022-11-20 18:11:58,720 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/data/d2bc84172/ef19e52c057a441c9029a1c6f64edfb9 [2022-11-20 18:11:58,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:11:58,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:11:58,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:11:58,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:11:58,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:11:58,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:11:58" (1/1) ... [2022-11-20 18:11:58,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e333b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:58, skipping insertion in model container [2022-11-20 18:11:58,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:11:58" (1/1) ... [2022-11-20 18:11:58,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:11:58,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:11:58,945 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_2601e792-2c97-4ed2-93dc-036298b07029/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c[1107,1120] [2022-11-20 18:11:58,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:11:58,990 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:11:59,003 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_2601e792-2c97-4ed2-93dc-036298b07029/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c[1107,1120] [2022-11-20 18:11:59,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:11:59,054 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:11:59,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:59 WrapperNode [2022-11-20 18:11:59,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:11:59,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:11:59,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:11:59,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:11:59,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:59" (1/1) ... [2022-11-20 18:11:59,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:59" (1/1) ... [2022-11-20 18:11:59,102 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-11-20 18:11:59,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:11:59,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:11:59,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:11:59,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:11:59,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:59" (1/1) ... [2022-11-20 18:11:59,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:59" (1/1) ... [2022-11-20 18:11:59,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:59" (1/1) ... [2022-11-20 18:11:59,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:59" (1/1) ... [2022-11-20 18:11:59,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:59" (1/1) ... [2022-11-20 18:11:59,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:59" (1/1) ... [2022-11-20 18:11:59,137 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:59" (1/1) ... [2022-11-20 18:11:59,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:59" (1/1) ... [2022-11-20 18:11:59,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:11:59,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:11:59,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:11:59,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:11:59,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:11:59" (1/1) ... [2022-11-20 18:11:59,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:11:59,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:11:59,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:11:59,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:11:59,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:11:59,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:11:59,334 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:11:59,337 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:11:59,549 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:11:59,580 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:11:59,580 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 18:11:59,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:11:59 BoogieIcfgContainer [2022-11-20 18:11:59,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:11:59,584 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:11:59,584 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:11:59,595 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:11:59,595 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:11:59" (1/1) ... [2022-11-20 18:11:59,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:11:59,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:59,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-20 18:11:59,657 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-20 18:11:59,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:11:59,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:59,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:59,703 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) [2022-11-20 18:11:59,726 INFO L158 Benchmark]: Toolchain (without parser) took 1000.38ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 33.9MB in the beginning and 41.3MB in the end (delta: -7.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-11-20 18:11:59,726 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:11:59,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.95ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 33.8MB in the beginning and 61.5MB in the end (delta: -27.8MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2022-11-20 18:11:59,728 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.60ms. Allocated memory is still 83.9MB. Free memory was 61.5MB in the beginning and 60.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:11:59,728 INFO L158 Benchmark]: Boogie Preprocessor took 36.94ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 58.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:11:59,743 INFO L158 Benchmark]: RCFGBuilder took 442.01ms. Allocated memory is still 83.9MB. Free memory was 58.8MB in the beginning and 47.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:11:59,744 INFO L158 Benchmark]: CodeCheck took 140.35ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 41.3MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 18:11:59,747 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.95ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 33.8MB in the beginning and 61.5MB in the end (delta: -27.8MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.60ms. Allocated memory is still 83.9MB. Free memory was 61.5MB in the beginning and 60.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.94ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 58.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 442.01ms. Allocated memory is still 83.9MB. Free memory was 58.8MB in the beginning and 47.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 140.35ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 41.3MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 18:11:59,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2601e792-2c97-4ed2-93dc-036298b07029/bin/ukojak-pZX7IvK2PQ/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