./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_f7e152c1-5b94-46a4-8839-7363fbfce4e8/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/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_f7e152c1-5b94-46a4-8839-7363fbfce4e8/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/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_f7e152c1-5b94-46a4-8839-7363fbfce4e8/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 ecdd92537224765109e6dc87add95fccbb3577c40656fa807e1aa68ef45fa853 --- 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 17:12:48,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:12:48,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:12:48,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:12:48,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:12:48,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:12:48,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:12:48,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:12:48,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:12:48,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:12:48,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:12:48,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:12:48,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:12:48,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:12:48,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:12:48,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:12:48,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:12:48,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:12:48,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:12:48,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:12:48,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:12:48,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:12:48,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:12:48,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:12:48,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:12:48,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:12:48,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:12:48,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:12:48,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:12:48,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:12:48,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:12:48,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:12:48,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:12:48,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:12:48,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:12:48,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:12:48,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:12:48,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:12:48,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:12:48,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:12:48,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:12:48,700 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-20 17:12:48,738 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:12:48,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:12:48,740 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:12:48,740 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:12:48,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:12:48,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:12:48,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:12:48,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:12:48,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:12:48,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:12:48,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:12:48,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:12:48,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:12:48,743 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:12:48,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:12:48,743 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:12:48,743 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:12:48,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:12:48,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:12:48,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:12:48,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:12:48,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:12:48,744 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:12:48,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:12:48,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:12:48,745 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_f7e152c1-5b94-46a4-8839-7363fbfce4e8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecdd92537224765109e6dc87add95fccbb3577c40656fa807e1aa68ef45fa853 [2022-11-20 17:12:49,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:12:49,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:12:49,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:12:49,089 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:12:49,089 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:12:49,091 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c [2022-11-20 17:12:52,240 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:12:52,506 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:12:52,506 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c [2022-11-20 17:12:52,514 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/bin/ukojak-pZX7IvK2PQ/data/84a108d69/863dffdb901441e383ad6ddbaba255ee/FLAG03f8cda04 [2022-11-20 17:12:52,529 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/bin/ukojak-pZX7IvK2PQ/data/84a108d69/863dffdb901441e383ad6ddbaba255ee [2022-11-20 17:12:52,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:12:52,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:12:52,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:12:52,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:12:52,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:12:52,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:12:52" (1/1) ... [2022-11-20 17:12:52,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64aecb3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:52, skipping insertion in model container [2022-11-20 17:12:52,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:12:52" (1/1) ... [2022-11-20 17:12:52,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:12:52,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:12:52,721 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_f7e152c1-5b94-46a4-8839-7363fbfce4e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c[1107,1120] [2022-11-20 17:12:52,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:12:52,771 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:12:52,783 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_f7e152c1-5b94-46a4-8839-7363fbfce4e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c[1107,1120] [2022-11-20 17:12:52,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:12:52,840 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:12:52,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:52 WrapperNode [2022-11-20 17:12:52,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:12:52,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:12:52,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:12:52,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:12:52,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:52" (1/1) ... [2022-11-20 17:12:52,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:52" (1/1) ... [2022-11-20 17:12:52,882 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 99 [2022-11-20 17:12:52,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:12:52,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:12:52,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:12:52,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:12:52,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:52" (1/1) ... [2022-11-20 17:12:52,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:52" (1/1) ... [2022-11-20 17:12:52,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:52" (1/1) ... [2022-11-20 17:12:52,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:52" (1/1) ... [2022-11-20 17:12:52,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:52" (1/1) ... [2022-11-20 17:12:52,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:52" (1/1) ... [2022-11-20 17:12:52,907 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:52" (1/1) ... [2022-11-20 17:12:52,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:52" (1/1) ... [2022-11-20 17:12:52,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:12:52,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:12:52,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:12:52,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:12:52,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:52" (1/1) ... [2022-11-20 17:12:52,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:12:52,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:12:52,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:12:52,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:12:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:12:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:12:53,090 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:12:53,092 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:12:53,450 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:12:53,469 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:12:53,469 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:12:53,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:12:53 BoogieIcfgContainer [2022-11-20 17:12:53,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:12:53,474 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:12:53,474 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:12:53,486 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:12:53,486 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:12:53" (1/1) ... [2022-11-20 17:12:53,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:12:53,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:53,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-20 17:12:53,602 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-20 17:12:53,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:12:53,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:53,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:12:53,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:12:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:12:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:12:53,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:12:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:12:53,988 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-11-20 17:12:54,015 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 17:12:54,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:12:54 ImpRootNode [2022-11-20 17:12:54,021 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:12:54,025 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:12:54,026 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:12:54,026 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:12:54,027 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:12:53" (3/4) ... [2022-11-20 17:12:54,030 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 17:12:54,030 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:12:54,031 INFO L158 Benchmark]: Toolchain (without parser) took 1497.43ms. Allocated memory is still 140.5MB. Free memory was 109.5MB in the beginning and 57.1MB in the end (delta: 52.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-20 17:12:54,033 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory was 67.6MB in the beginning and 67.3MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:12:54,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.28ms. Allocated memory is still 140.5MB. Free memory was 109.5MB in the beginning and 98.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:12:54,035 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.49ms. Allocated memory is still 140.5MB. Free memory was 98.1MB in the beginning and 96.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:12:54,035 INFO L158 Benchmark]: Boogie Preprocessor took 27.88ms. Allocated memory is still 140.5MB. Free memory was 96.0MB in the beginning and 94.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:12:54,036 INFO L158 Benchmark]: RCFGBuilder took 561.30ms. Allocated memory is still 140.5MB. Free memory was 94.5MB in the beginning and 74.2MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 17:12:54,037 INFO L158 Benchmark]: CodeCheck took 547.44ms. Allocated memory is still 140.5MB. Free memory was 74.2MB in the beginning and 57.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:12:54,038 INFO L158 Benchmark]: Witness Printer took 4.97ms. Allocated memory is still 140.5MB. Free memory was 57.4MB in the beginning and 57.1MB in the end (delta: 367.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:12:54,048 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 54, overapproximation of bitwiseAnd at line 59. 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_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L31] const SORT_3 var_4 = 0; [L32] const SORT_1 var_13 = 1; [L33] const SORT_3 var_19 = 255; [L34] const SORT_3 var_23 = 1; [L36] SORT_1 input_2; [L38] SORT_3 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L39] SORT_3 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L41] SORT_3 init_6_arg_1 = var_4; [L42] state_5 = init_6_arg_1 [L43] SORT_3 init_8_arg_1 = var_4; [L44] state_7 = init_8_arg_1 VAL [init_6_arg_1=0, init_8_arg_1=0, mask_SORT_1=1, mask_SORT_3=255, msb_SORT_1=1, msb_SORT_3=128, state_5=0, state_7=0, var_13=1, var_19=255, var_23=1, var_4=0] [L47] input_2 = __VERIFIER_nondet_uchar() [L50] SORT_3 var_9_arg_0 = state_5; [L51] SORT_3 var_9_arg_1 = state_7; [L52] SORT_1 var_9 = var_9_arg_0 > var_9_arg_1; [L53] SORT_1 var_10_arg_0 = var_9; [L54] SORT_1 var_10 = ~var_10_arg_0; [L55] SORT_1 var_14_arg_0 = var_10; [L56] SORT_1 var_14 = ~var_14_arg_0; [L57] SORT_1 var_15_arg_0 = var_13; [L58] SORT_1 var_15_arg_1 = var_14; [L59] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L60] var_15 = var_15 & mask_SORT_1 [L61] SORT_1 bad_16_arg_0 = var_15; [L62] CALL __VERIFIER_assert(!(bad_16_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 0.35ms. Allocated memory is still 113.2MB. Free memory was 67.6MB in the beginning and 67.3MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.28ms. Allocated memory is still 140.5MB. Free memory was 109.5MB in the beginning and 98.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.49ms. Allocated memory is still 140.5MB. Free memory was 98.1MB in the beginning and 96.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.88ms. Allocated memory is still 140.5MB. Free memory was 96.0MB in the beginning and 94.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 561.30ms. Allocated memory is still 140.5MB. Free memory was 94.5MB in the beginning and 74.2MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 547.44ms. Allocated memory is still 140.5MB. Free memory was 74.2MB in the beginning and 57.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.97ms. Allocated memory is still 140.5MB. Free memory was 57.4MB in the beginning and 57.1MB in the end (delta: 367.1kB). 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 17:12:54,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/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 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_f7e152c1-5b94-46a4-8839-7363fbfce4e8/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/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_f7e152c1-5b94-46a4-8839-7363fbfce4e8/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/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_f7e152c1-5b94-46a4-8839-7363fbfce4e8/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 ecdd92537224765109e6dc87add95fccbb3577c40656fa807e1aa68ef45fa853 --- 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 17:12:56,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:12:56,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:12:56,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:12:56,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:12:56,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:12:56,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:12:56,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:12:56,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:12:56,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:12:56,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:12:56,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:12:56,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:12:56,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:12:56,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:12:56,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:12:56,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:12:56,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:12:56,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:12:56,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:12:56,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:12:56,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:12:56,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:12:56,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:12:56,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:12:56,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:12:56,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:12:56,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:12:56,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:12:56,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:12:56,924 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:12:56,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:12:56,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:12:56,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:12:56,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:12:56,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:12:56,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:12:56,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:12:56,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:12:56,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:12:56,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:12:56,954 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-11-20 17:12:56,996 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:12:56,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:12:56,999 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:12:57,000 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:12:57,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:12:57,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:12:57,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:12:57,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:12:57,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:12:57,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:12:57,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:12:57,004 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:12:57,004 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:12:57,005 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:12:57,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:12:57,005 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:12:57,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:12:57,006 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:12:57,006 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:12:57,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:12:57,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:12:57,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:12:57,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:12:57,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:12:57,007 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:12:57,008 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:12:57,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:12:57,008 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:12:57,009 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:12:57,009 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_f7e152c1-5b94-46a4-8839-7363fbfce4e8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecdd92537224765109e6dc87add95fccbb3577c40656fa807e1aa68ef45fa853 [2022-11-20 17:12:57,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:12:57,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:12:57,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:12:57,470 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:12:57,471 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:12:57,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c [2022-11-20 17:13:00,595 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:13:00,864 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:13:00,865 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c [2022-11-20 17:13:00,882 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/bin/ukojak-pZX7IvK2PQ/data/fa571fc05/006d5a617008445aada88cc9fbcb1192/FLAG6bbc146b4 [2022-11-20 17:13:00,907 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/bin/ukojak-pZX7IvK2PQ/data/fa571fc05/006d5a617008445aada88cc9fbcb1192 [2022-11-20 17:13:00,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:13:00,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:13:00,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:13:00,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:13:00,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:13:00,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:13:00" (1/1) ... [2022-11-20 17:13:00,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b358b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:00, skipping insertion in model container [2022-11-20 17:13:00,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:13:00" (1/1) ... [2022-11-20 17:13:00,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:13:00,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:13:01,143 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_f7e152c1-5b94-46a4-8839-7363fbfce4e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c[1107,1120] [2022-11-20 17:13:01,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:13:01,239 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:13:01,252 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_f7e152c1-5b94-46a4-8839-7363fbfce4e8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c[1107,1120] [2022-11-20 17:13:01,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:13:01,315 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:13:01,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:01 WrapperNode [2022-11-20 17:13:01,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:13:01,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:13:01,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:13:01,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:13:01,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:01" (1/1) ... [2022-11-20 17:13:01,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:01" (1/1) ... [2022-11-20 17:13:01,385 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 99 [2022-11-20 17:13:01,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:13:01,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:13:01,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:13:01,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:13:01,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:01" (1/1) ... [2022-11-20 17:13:01,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:01" (1/1) ... [2022-11-20 17:13:01,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:01" (1/1) ... [2022-11-20 17:13:01,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:01" (1/1) ... [2022-11-20 17:13:01,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:01" (1/1) ... [2022-11-20 17:13:01,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:01" (1/1) ... [2022-11-20 17:13:01,409 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:01" (1/1) ... [2022-11-20 17:13:01,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:01" (1/1) ... [2022-11-20 17:13:01,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:13:01,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:13:01,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:13:01,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:13:01,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:13:01" (1/1) ... [2022-11-20 17:13:01,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:13:01,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:13:01,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:13:01,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:13:01,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:13:01,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:13:01,593 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:13:01,595 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:13:01,794 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:13:01,820 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:13:01,820 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:13:01,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:13:01 BoogieIcfgContainer [2022-11-20 17:13:01,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:13:01,824 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:13:01,824 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:13:01,835 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:13:01,836 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:13:01" (1/1) ... [2022-11-20 17:13:01,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:13:01,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:01,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-20 17:13:01,911 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-20 17:13:01,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:13:01,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:01,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:01,963 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 17:13:01,968 INFO L158 Benchmark]: Toolchain (without parser) took 1039.02ms. Allocated memory is still 86.0MB. Free memory was 68.2MB in the beginning and 53.3MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:13:01,969 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:13:01,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.34ms. Allocated memory is still 86.0MB. Free memory was 68.1MB in the beginning and 56.4MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:13:01,970 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.33ms. Allocated memory is still 86.0MB. Free memory was 56.4MB in the beginning and 54.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:13:01,971 INFO L158 Benchmark]: Boogie Preprocessor took 26.13ms. Allocated memory is still 86.0MB. Free memory was 54.3MB in the beginning and 53.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:13:01,972 INFO L158 Benchmark]: RCFGBuilder took 409.81ms. Allocated memory is still 86.0MB. Free memory was 53.0MB in the beginning and 59.6MB in the end (delta: -6.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:13:01,972 INFO L158 Benchmark]: CodeCheck took 142.27ms. Allocated memory is still 86.0MB. Free memory was 59.6MB in the beginning and 53.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 17:13:01,975 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 0.33ms. Allocated memory is still 58.7MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.34ms. Allocated memory is still 86.0MB. Free memory was 68.1MB in the beginning and 56.4MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.33ms. Allocated memory is still 86.0MB. Free memory was 56.4MB in the beginning and 54.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.13ms. Allocated memory is still 86.0MB. Free memory was 54.3MB in the beginning and 53.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 409.81ms. Allocated memory is still 86.0MB. Free memory was 53.0MB in the beginning and 59.6MB in the end (delta: -6.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 142.27ms. Allocated memory is still 86.0MB. Free memory was 59.6MB in the beginning and 53.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:13:02,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e152c1-5b94-46a4-8839-7363fbfce4e8/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