./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.3.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e3af04-0057-49e0-a02b-d626676d7924/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e3af04-0057-49e0-a02b-d626676d7924/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e3af04-0057-49e0-a02b-d626676d7924/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e3af04-0057-49e0-a02b-d626676d7924/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e3af04-0057-49e0-a02b-d626676d7924/bin/ukojak-jW3SillKbg/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e3af04-0057-49e0-a02b-d626676d7924/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9b1b263df62501c1cc97b95b8334dde16104707d31723dd98ae583c2f0f81f39 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:28:22,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:28:22,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:28:22,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:28:22,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:28:22,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:28:22,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:28:22,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:28:22,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:28:22,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:28:22,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:28:22,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:28:22,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:28:22,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:28:22,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:28:22,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:28:22,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:28:22,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:28:22,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:28:22,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:28:22,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:28:22,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:28:22,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:28:22,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:28:22,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:28:22,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:28:22,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:28:22,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:28:22,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:28:22,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:28:22,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:28:22,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:28:22,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:28:22,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:28:22,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:28:22,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:28:22,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:28:22,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:28:22,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:28:22,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:28:22,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:28:22,847 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e3af04-0057-49e0-a02b-d626676d7924/bin/ukojak-jW3SillKbg/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-21 23:28:22,889 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:28:22,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:28:22,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:28:22,891 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:28:22,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:28:22,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:28:22,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:28:22,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:28:22,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:28:22,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:28:22,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:28:22,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:28:22,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:28:22,895 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:28:22,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:28:22,895 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:28:22,896 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:28:22,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:28:22,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:28:22,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:28:22,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:28:22,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:28:22,897 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:28:22,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:28:22,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:28:22,898 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_37e3af04-0057-49e0-a02b-d626676d7924/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e3af04-0057-49e0-a02b-d626676d7924/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b1b263df62501c1cc97b95b8334dde16104707d31723dd98ae583c2f0f81f39 [2022-11-21 23:28:23,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:28:23,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:28:23,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:28:23,242 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:28:23,242 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:28:23,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e3af04-0057-49e0-a02b-d626676d7924/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.3.prop1-back-serstep.c [2022-11-21 23:28:26,270 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:28:26,661 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:28:26,662 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e3af04-0057-49e0-a02b-d626676d7924/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.3.prop1-back-serstep.c [2022-11-21 23:28:26,682 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e3af04-0057-49e0-a02b-d626676d7924/bin/ukojak-jW3SillKbg/data/b271405b9/981aac009b42424c82fba9fe5954b977/FLAG980792815 [2022-11-21 23:28:26,701 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e3af04-0057-49e0-a02b-d626676d7924/bin/ukojak-jW3SillKbg/data/b271405b9/981aac009b42424c82fba9fe5954b977 [2022-11-21 23:28:26,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:28:26,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:28:26,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:28:26,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:28:26,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:28:26,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:28:26" (1/1) ... [2022-11-21 23:28:26,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d42ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:28:26, skipping insertion in model container [2022-11-21 23:28:26,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:28:26" (1/1) ... [2022-11-21 23:28:26,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:28:26,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:28:27,023 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_37e3af04-0057-49e0-a02b-d626676d7924/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.3.prop1-back-serstep.c[1014,1027] [2022-11-21 23:28:27,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:28:27,567 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:28:27,580 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_37e3af04-0057-49e0-a02b-d626676d7924/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.3.prop1-back-serstep.c[1014,1027] [2022-11-21 23:28:27,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:28:27,786 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:28:27,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:28:27 WrapperNode [2022-11-21 23:28:27,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:28:27,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:28:27,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:28:27,789 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:28:27,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:28:27" (1/1) ... [2022-11-21 23:28:27,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:28:27" (1/1) ... [2022-11-21 23:28:28,127 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3085 [2022-11-21 23:28:28,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:28:28,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:28:28,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:28:28,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:28:28,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:28:27" (1/1) ... [2022-11-21 23:28:28,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:28:27" (1/1) ... [2022-11-21 23:28:28,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:28:27" (1/1) ... [2022-11-21 23:28:28,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:28:27" (1/1) ... [2022-11-21 23:28:28,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:28:27" (1/1) ... [2022-11-21 23:28:28,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:28:27" (1/1) ... [2022-11-21 23:28:28,285 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:28:27" (1/1) ... [2022-11-21 23:28:28,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:28:27" (1/1) ... [2022-11-21 23:28:28,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:28:28,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:28:28,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:28:28,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:28:28,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:28:27" (1/1) ... [2022-11-21 23:28:28,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:28:28,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e3af04-0057-49e0-a02b-d626676d7924/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:28:28,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e3af04-0057-49e0-a02b-d626676d7924/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:28:28,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e3af04-0057-49e0-a02b-d626676d7924/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:28:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:28:28,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:28:29,041 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:28:29,043 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation