./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 05c3a93de5aae5fa41d1e1d2d135ef1005843a0f7c5941172978d0f42c601ada --- 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-8393723 [2022-11-18 20:06:11,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:06:11,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:06:11,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:06:11,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:06:11,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:06:11,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:06:11,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:06:11,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:06:11,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:06:11,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:06:11,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:06:11,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:06:11,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:06:11,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:06:11,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:06:11,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:06:11,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:06:11,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:06:11,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:06:11,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:06:11,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:06:11,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:06:11,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:06:11,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:06:11,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:06:11,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:06:11,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:06:11,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:06:11,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:06:11,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:06:11,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:06:11,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:06:11,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:06:11,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:06:11,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:06:11,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:06:11,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:06:11,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:06:11,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:06:11,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:06:11,205 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:06:11,245 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:06:11,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:06:11,246 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:06:11,246 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:06:11,251 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:06:11,252 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:06:11,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:06:11,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:06:11,253 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:06:11,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:06:11,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:06:11,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:06:11,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:06:11,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:06:11,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:06:11,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:06:11,255 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:06:11,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:06:11,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:06:11,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:06:11,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:06:11,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:06:11,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:06:11,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:06:11,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:06:11,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:06:11,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:06:11,258 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:06:11,258 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:06:11,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:06:11,259 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_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05c3a93de5aae5fa41d1e1d2d135ef1005843a0f7c5941172978d0f42c601ada [2022-11-18 20:06:11,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:06:11,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:06:11,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:06:11,643 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:06:11,643 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:06:11,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p1.c [2022-11-18 20:06:11,725 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/data/a84189e43/58d1186b52ca42fba81b5e5f5a49c6a1/FLAGa252470e8 [2022-11-18 20:06:12,344 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:06:12,345 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p1.c [2022-11-18 20:06:12,358 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/data/a84189e43/58d1186b52ca42fba81b5e5f5a49c6a1/FLAGa252470e8 [2022-11-18 20:06:12,641 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/data/a84189e43/58d1186b52ca42fba81b5e5f5a49c6a1 [2022-11-18 20:06:12,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:06:12,645 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:06:12,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:06:12,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:06:12,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:06:12,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:06:12" (1/1) ... [2022-11-18 20:06:12,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b0038c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:12, skipping insertion in model container [2022-11-18 20:06:12,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:06:12" (1/1) ... [2022-11-18 20:06:12,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:06:12,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:06:12,913 WARN L234 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_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p1.c[1107,1120] [2022-11-18 20:06:13,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:06:13,145 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:06:13,157 WARN L234 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_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p1.c[1107,1120] [2022-11-18 20:06:13,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:06:13,291 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:06:13,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:13 WrapperNode [2022-11-18 20:06:13,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:06:13,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:06:13,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:06:13,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:06:13,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:13" (1/1) ... [2022-11-18 20:06:13,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:13" (1/1) ... [2022-11-18 20:06:13,406 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 987 [2022-11-18 20:06:13,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:06:13,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:06:13,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:06:13,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:06:13,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:13" (1/1) ... [2022-11-18 20:06:13,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:13" (1/1) ... [2022-11-18 20:06:13,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:13" (1/1) ... [2022-11-18 20:06:13,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:13" (1/1) ... [2022-11-18 20:06:13,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:13" (1/1) ... [2022-11-18 20:06:13,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:13" (1/1) ... [2022-11-18 20:06:13,500 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:13" (1/1) ... [2022-11-18 20:06:13,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:13" (1/1) ... [2022-11-18 20:06:13,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:06:13,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:06:13,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:06:13,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:06:13,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:13" (1/1) ... [2022-11-18 20:06:13,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:06:13,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:06:13,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:06:13,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:06:13,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:06:13,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:06:13,948 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:06:13,950 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:06:18,103 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:06:18,112 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:06:18,112 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:06:18,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:06:18 BoogieIcfgContainer [2022-11-18 20:06:18,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:06:18,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:06:18,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:06:18,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:06:18,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:06:12" (1/3) ... [2022-11-18 20:06:18,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f274028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:06:18, skipping insertion in model container [2022-11-18 20:06:18,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:13" (2/3) ... [2022-11-18 20:06:18,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f274028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:06:18, skipping insertion in model container [2022-11-18 20:06:18,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:06:18" (3/3) ... [2022-11-18 20:06:18,126 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_s1269b_p1.c [2022-11-18 20:06:18,146 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:06:18,147 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:06:18,226 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:06:18,241 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@751832c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:06:18,241 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:06:18,246 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 87 states have (on average 1.6436781609195403) internal successors, (143), 88 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:06:18,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-18 20:06:18,255 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:06:18,256 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:06:18,257 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:06:18,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:06:18,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1909394218, now seen corresponding path program 1 times [2022-11-18 20:06:18,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:06:18,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75867089] [2022-11-18 20:06:18,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:06:18,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:06:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:18,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:06:18,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:06:18,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75867089] [2022-11-18 20:06:18,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75867089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:06:18,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:06:18,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:06:18,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963856891] [2022-11-18 20:06:18,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:06:18,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:06:18,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:06:18,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:06:18,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:06:18,938 INFO L87 Difference]: Start difference. First operand has 89 states, 87 states have (on average 1.6436781609195403) internal successors, (143), 88 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:06:19,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:06:19,043 INFO L93 Difference]: Finished difference Result 268 states and 442 transitions. [2022-11-18 20:06:19,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:06:19,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-18 20:06:19,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:06:19,058 INFO L225 Difference]: With dead ends: 268 [2022-11-18 20:06:19,059 INFO L226 Difference]: Without dead ends: 181 [2022-11-18 20:06:19,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:06:19,071 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 387 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:06:19,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 338 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:06:19,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-11-18 20:06:19,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 87. [2022-11-18 20:06:19,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.6162790697674418) internal successors, (139), 86 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:06:19,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 139 transitions. [2022-11-18 20:06:19,145 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 139 transitions. Word has length 15 [2022-11-18 20:06:19,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:06:19,145 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 139 transitions. [2022-11-18 20:06:19,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:06:19,146 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 139 transitions. [2022-11-18 20:06:19,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-18 20:06:19,146 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:06:19,147 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:06:19,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:06:19,147 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:06:19,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:06:19,148 INFO L85 PathProgramCache]: Analyzing trace with hash 940046394, now seen corresponding path program 1 times [2022-11-18 20:06:19,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:06:19,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878168011] [2022-11-18 20:06:19,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:06:19,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:06:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:06:19,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:06:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:06:19,371 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:06:19,372 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 20:06:19,374 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:06:19,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:06:19,379 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-18 20:06:19,383 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:06:19,433 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-18 20:06:19,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:06:19 BoogieIcfgContainer [2022-11-18 20:06:19,448 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:06:19,449 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:06:19,449 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:06:19,449 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:06:19,450 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:06:18" (3/4) ... [2022-11-18 20:06:19,453 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:06:19,453 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:06:19,454 INFO L158 Benchmark]: Toolchain (without parser) took 6809.04ms. Allocated memory was 136.3MB in the beginning and 188.7MB in the end (delta: 52.4MB). Free memory was 100.6MB in the beginning and 122.4MB in the end (delta: -21.8MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2022-11-18 20:06:19,455 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 88.1MB. Free memory was 62.8MB in the beginning and 62.7MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:06:19,455 INFO L158 Benchmark]: CACSL2BoogieTranslator took 641.21ms. Allocated memory is still 136.3MB. Free memory was 100.4MB in the beginning and 91.4MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:06:19,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.80ms. Allocated memory is still 136.3MB. Free memory was 91.4MB in the beginning and 81.6MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:06:19,457 INFO L158 Benchmark]: Boogie Preprocessor took 109.30ms. Allocated memory is still 136.3MB. Free memory was 81.6MB in the beginning and 76.0MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:06:19,457 INFO L158 Benchmark]: RCFGBuilder took 4596.98ms. Allocated memory was 136.3MB in the beginning and 188.7MB in the end (delta: 52.4MB). Free memory was 76.0MB in the beginning and 91.8MB in the end (delta: -15.8MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. [2022-11-18 20:06:19,458 INFO L158 Benchmark]: TraceAbstraction took 1331.80ms. Allocated memory is still 188.7MB. Free memory was 90.8MB in the beginning and 123.5MB in the end (delta: -32.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:06:19,459 INFO L158 Benchmark]: Witness Printer took 4.82ms. Allocated memory is still 188.7MB. Free memory was 123.5MB in the beginning and 122.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:06:19,462 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 88.1MB. Free memory was 62.8MB in the beginning and 62.7MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 641.21ms. Allocated memory is still 136.3MB. Free memory was 100.4MB in the beginning and 91.4MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 114.80ms. Allocated memory is still 136.3MB. Free memory was 91.4MB in the beginning and 81.6MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.30ms. Allocated memory is still 136.3MB. Free memory was 81.6MB in the beginning and 76.0MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 4596.98ms. Allocated memory was 136.3MB in the beginning and 188.7MB in the end (delta: 52.4MB). Free memory was 76.0MB in the beginning and 91.8MB in the end (delta: -15.8MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1331.80ms. Allocated memory is still 188.7MB. Free memory was 90.8MB in the beginning and 123.5MB in the end (delta: -32.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.82ms. Allocated memory is still 188.7MB. Free memory was 123.5MB in the beginning and 122.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 150, overapproximation of bitwiseOr at line 145, overapproximation of bitwiseAnd at line 161. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 3); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (3 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 8); [L32] const SORT_12 msb_SORT_12 = (SORT_12)1 << (8 - 1); [L34] const SORT_36 mask_SORT_36 = (SORT_36)-1 >> (sizeof(SORT_36) * 8 - 32); [L35] const SORT_36 msb_SORT_36 = (SORT_36)1 << (32 - 1); [L37] const SORT_41 mask_SORT_41 = (SORT_41)-1 >> (sizeof(SORT_41) * 8 - 24); [L38] const SORT_41 msb_SORT_41 = (SORT_41)1 << (24 - 1); [L40] const SORT_81 mask_SORT_81 = (SORT_81)-1 >> (sizeof(SORT_81) * 8 - 2); [L41] const SORT_81 msb_SORT_81 = (SORT_81)1 << (2 - 1); [L43] const SORT_181 mask_SORT_181 = (SORT_181)-1 >> (sizeof(SORT_181) * 8 - 4); [L44] const SORT_181 msb_SORT_181 = (SORT_181)1 << (4 - 1); [L46] const SORT_183 mask_SORT_183 = (SORT_183)-1 >> (sizeof(SORT_183) * 8 - 5); [L47] const SORT_183 msb_SORT_183 = (SORT_183)1 << (5 - 1); [L49] const SORT_185 mask_SORT_185 = (SORT_185)-1 >> (sizeof(SORT_185) * 8 - 6); [L50] const SORT_185 msb_SORT_185 = (SORT_185)1 << (6 - 1); [L52] const SORT_187 mask_SORT_187 = (SORT_187)-1 >> (sizeof(SORT_187) * 8 - 7); [L53] const SORT_187 msb_SORT_187 = (SORT_187)1 << (7 - 1); [L55] const SORT_3 var_14 = 0; [L56] const SORT_3 var_32 = 1; [L57] const SORT_36 var_37 = 0; [L58] const SORT_12 var_38 = 0; [L59] const SORT_41 var_42 = 0; [L60] const SORT_1 var_84 = 0; [L62] SORT_1 input_2; [L63] SORT_3 input_4; [L64] SORT_3 input_5; [L65] SORT_3 input_6; [L66] SORT_3 input_7; [L67] SORT_3 input_8; [L68] SORT_3 input_9; [L69] SORT_3 input_10; [L70] SORT_3 input_11; [L71] SORT_12 input_13; [L72] SORT_3 input_341; [L73] SORT_12 input_352; [L74] SORT_12 input_354; [L75] SORT_12 input_365; [L76] SORT_12 input_366; [L77] SORT_12 input_367; [L79] SORT_3 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L80] SORT_3 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L81] SORT_3 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L82] SORT_3 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L83] SORT_3 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L84] SORT_12 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_12; [L85] SORT_12 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_12; [L86] SORT_3 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] SORT_12 state_90 = __VERIFIER_nondet_uchar() & mask_SORT_12; [L89] SORT_3 state_99 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L90] SORT_3 state_333 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L91] SORT_3 state_337 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] SORT_3 init_16_arg_1 = var_14; [L94] state_15 = init_16_arg_1 [L95] SORT_3 init_18_arg_1 = var_14; [L96] state_17 = init_18_arg_1 [L97] SORT_3 init_21_arg_1 = var_14; [L98] state_20 = init_21_arg_1 [L99] SORT_3 init_24_arg_1 = var_14; [L100] state_23 = init_24_arg_1 [L101] SORT_3 init_28_arg_1 = var_14; [L102] state_27 = init_28_arg_1 [L103] SORT_12 init_40_arg_1 = var_38; [L104] state_39 = init_40_arg_1 [L105] SORT_12 init_53_arg_1 = var_38; [L106] state_52 = init_53_arg_1 [L107] SORT_3 init_62_arg_1 = var_14; [L108] state_61 = init_62_arg_1 [L109] SORT_1 init_86_arg_1 = var_84; [L110] state_85 = init_86_arg_1 [L111] SORT_12 init_91_arg_1 = var_38; [L112] state_90 = init_91_arg_1 [L113] SORT_3 init_100_arg_1 = var_14; [L114] state_99 = init_100_arg_1 [L115] SORT_3 init_334_arg_1 = var_14; [L116] state_333 = init_334_arg_1 [L117] SORT_3 init_338_arg_1 = var_14; [L118] state_337 = init_338_arg_1 VAL [init_100_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_28_arg_1=0, init_334_arg_1=0, init_338_arg_1=0, init_40_arg_1=0, init_53_arg_1=0, init_62_arg_1=0, init_86_arg_1=0, init_91_arg_1=0, mask_SORT_1=7, mask_SORT_12=255, mask_SORT_181=15, mask_SORT_183=31, mask_SORT_185=63, mask_SORT_187=127, mask_SORT_3=1, mask_SORT_36=4294967295, mask_SORT_41=4294967295, mask_SORT_81=3, msb_SORT_1=4, msb_SORT_12=128, msb_SORT_181=8, msb_SORT_183=16, msb_SORT_185=32, msb_SORT_187=64, msb_SORT_3=1, msb_SORT_36=2147483648, msb_SORT_41=8388608, msb_SORT_81=2, state_15=0, state_17=0, state_20=0, state_23=0, state_27=0, state_333=0, state_337=0, state_39=0, state_52=0, state_61=0, state_85=0, state_90=0, state_99=0, var_14=0, var_32=1, var_37=0, var_38=0, var_42=0, var_84=0] [L121] input_2 = __VERIFIER_nondet_uchar() [L122] input_4 = __VERIFIER_nondet_uchar() [L123] input_4 = input_4 & mask_SORT_3 VAL [init_100_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_28_arg_1=0, init_334_arg_1=0, init_338_arg_1=0, init_40_arg_1=0, init_53_arg_1=0, init_62_arg_1=0, init_86_arg_1=0, init_91_arg_1=0, input_2=8, input_4=0, mask_SORT_1=7, mask_SORT_12=255, mask_SORT_181=15, mask_SORT_183=31, mask_SORT_185=63, mask_SORT_187=127, mask_SORT_3=1, mask_SORT_36=4294967295, mask_SORT_41=4294967295, mask_SORT_81=3, msb_SORT_1=4, msb_SORT_12=128, msb_SORT_181=8, msb_SORT_183=16, msb_SORT_185=32, msb_SORT_187=64, msb_SORT_3=1, msb_SORT_36=2147483648, msb_SORT_41=8388608, msb_SORT_81=2, state_15=0, state_17=0, state_20=0, state_23=0, state_27=0, state_333=0, state_337=0, state_39=0, state_52=0, state_61=0, state_85=0, state_90=0, state_99=0, var_14=0, var_32=1, var_37=0, var_38=0, var_42=0, var_84=0] [L124] input_5 = __VERIFIER_nondet_uchar() [L125] input_5 = input_5 & mask_SORT_3 VAL [init_100_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_28_arg_1=0, init_334_arg_1=0, init_338_arg_1=0, init_40_arg_1=0, init_53_arg_1=0, init_62_arg_1=0, init_86_arg_1=0, init_91_arg_1=0, input_2=8, input_4=0, input_5=0, mask_SORT_1=7, mask_SORT_12=255, mask_SORT_181=15, mask_SORT_183=31, mask_SORT_185=63, mask_SORT_187=127, mask_SORT_3=1, mask_SORT_36=4294967295, mask_SORT_41=4294967295, mask_SORT_81=3, msb_SORT_1=4, msb_SORT_12=128, msb_SORT_181=8, msb_SORT_183=16, msb_SORT_185=32, msb_SORT_187=64, msb_SORT_3=1, msb_SORT_36=2147483648, msb_SORT_41=8388608, msb_SORT_81=2, state_15=0, state_17=0, state_20=0, state_23=0, state_27=0, state_333=0, state_337=0, state_39=0, state_52=0, state_61=0, state_85=0, state_90=0, state_99=0, var_14=0, var_32=1, var_37=0, var_38=0, var_42=0, var_84=0] [L126] input_6 = __VERIFIER_nondet_uchar() [L127] input_6 = input_6 & mask_SORT_3 VAL [init_100_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_28_arg_1=0, init_334_arg_1=0, init_338_arg_1=0, init_40_arg_1=0, init_53_arg_1=0, init_62_arg_1=0, init_86_arg_1=0, init_91_arg_1=0, input_2=8, input_4=0, input_5=0, input_6=0, mask_SORT_1=7, mask_SORT_12=255, mask_SORT_181=15, mask_SORT_183=31, mask_SORT_185=63, mask_SORT_187=127, mask_SORT_3=1, mask_SORT_36=4294967295, mask_SORT_41=4294967295, mask_SORT_81=3, msb_SORT_1=4, msb_SORT_12=128, msb_SORT_181=8, msb_SORT_183=16, msb_SORT_185=32, msb_SORT_187=64, msb_SORT_3=1, msb_SORT_36=2147483648, msb_SORT_41=8388608, msb_SORT_81=2, state_15=0, state_17=0, state_20=0, state_23=0, state_27=0, state_333=0, state_337=0, state_39=0, state_52=0, state_61=0, state_85=0, state_90=0, state_99=0, var_14=0, var_32=1, var_37=0, var_38=0, var_42=0, var_84=0] [L128] input_7 = __VERIFIER_nondet_uchar() [L129] input_8 = __VERIFIER_nondet_uchar() [L130] input_9 = __VERIFIER_nondet_uchar() [L131] input_10 = __VERIFIER_nondet_uchar() [L132] input_10 = input_10 & mask_SORT_3 VAL [init_100_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_28_arg_1=0, init_334_arg_1=0, init_338_arg_1=0, init_40_arg_1=0, init_53_arg_1=0, init_62_arg_1=0, init_86_arg_1=0, init_91_arg_1=0, input_10=0, input_2=8, input_4=0, input_5=0, input_6=0, input_7=10, input_8=2, input_9=3, mask_SORT_1=7, mask_SORT_12=255, mask_SORT_181=15, mask_SORT_183=31, mask_SORT_185=63, mask_SORT_187=127, mask_SORT_3=1, mask_SORT_36=4294967295, mask_SORT_41=4294967295, mask_SORT_81=3, msb_SORT_1=4, msb_SORT_12=128, msb_SORT_181=8, msb_SORT_183=16, msb_SORT_185=32, msb_SORT_187=64, msb_SORT_3=1, msb_SORT_36=2147483648, msb_SORT_41=8388608, msb_SORT_81=2, state_15=0, state_17=0, state_20=0, state_23=0, state_27=0, state_333=0, state_337=0, state_39=0, state_52=0, state_61=0, state_85=0, state_90=0, state_99=0, var_14=0, var_32=1, var_37=0, var_38=0, var_42=0, var_84=0] [L133] input_11 = __VERIFIER_nondet_uchar() [L134] input_13 = __VERIFIER_nondet_uchar() [L135] input_341 = __VERIFIER_nondet_uchar() [L136] input_352 = __VERIFIER_nondet_uchar() [L137] input_354 = __VERIFIER_nondet_uchar() [L138] input_365 = __VERIFIER_nondet_uchar() [L139] input_366 = __VERIFIER_nondet_uchar() [L140] input_367 = __VERIFIER_nondet_uchar() [L143] SORT_3 var_19_arg_0 = state_15; [L144] SORT_3 var_19_arg_1 = state_17; [L145] SORT_3 var_19 = var_19_arg_0 | var_19_arg_1; [L146] SORT_3 var_22_arg_0 = var_19; [L147] SORT_3 var_22_arg_1 = state_20; [L148] SORT_3 var_22 = var_22_arg_0 | var_22_arg_1; [L149] SORT_3 var_25_arg_0 = state_23; [L150] SORT_3 var_25 = ~var_25_arg_0; [L151] SORT_3 var_26_arg_0 = var_22; [L152] SORT_3 var_26_arg_1 = var_25; [L153] SORT_3 var_26 = var_26_arg_0 | var_26_arg_1; [L154] SORT_3 var_29_arg_0 = var_26; [L155] SORT_3 var_29_arg_1 = state_27; [L156] SORT_3 var_29 = var_29_arg_0 | var_29_arg_1; [L157] SORT_3 var_33_arg_0 = var_29; [L158] SORT_3 var_33 = ~var_33_arg_0; [L159] SORT_3 var_34_arg_0 = var_32; [L160] SORT_3 var_34_arg_1 = var_33; [L161] SORT_3 var_34 = var_34_arg_0 & var_34_arg_1; VAL [init_100_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_28_arg_1=0, init_334_arg_1=0, init_338_arg_1=0, init_40_arg_1=0, init_53_arg_1=0, init_62_arg_1=0, init_86_arg_1=0, init_91_arg_1=0, input_10=0, input_11=6, input_13=12, input_2=8, input_341=1, input_352=5, input_354=9, input_365=11, input_366=7, input_367=4, input_4=0, input_5=0, input_6=0, input_7=10, input_8=2, input_9=3, mask_SORT_1=7, mask_SORT_12=255, mask_SORT_181=15, mask_SORT_183=31, mask_SORT_185=63, mask_SORT_187=127, mask_SORT_3=1, mask_SORT_36=4294967295, mask_SORT_41=4294967295, mask_SORT_81=3, msb_SORT_1=4, msb_SORT_12=128, msb_SORT_181=8, msb_SORT_183=16, msb_SORT_185=32, msb_SORT_187=64, msb_SORT_3=1, msb_SORT_36=2147483648, msb_SORT_41=8388608, msb_SORT_81=2, state_15=0, state_17=0, state_20=0, state_23=0, state_27=0, state_333=0, state_337=0, state_39=0, state_52=0, state_61=0, state_85=0, state_90=0, state_99=0, var_14=0, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_25=0, var_25_arg_0=0, var_26=0, var_26_arg_0=0, var_26_arg_1=0, var_29=0, var_29_arg_0=0, var_29_arg_1=0, var_32=1, var_33=2, var_33_arg_0=0, var_34=1, var_34_arg_0=1, var_34_arg_1=2, var_37=0, var_38=0, var_42=0, var_84=0] [L162] var_34 = var_34 & mask_SORT_3 VAL [init_100_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_21_arg_1=0, init_24_arg_1=0, init_28_arg_1=0, init_334_arg_1=0, init_338_arg_1=0, init_40_arg_1=0, init_53_arg_1=0, init_62_arg_1=0, init_86_arg_1=0, init_91_arg_1=0, input_10=0, input_11=6, input_13=12, input_2=8, input_341=1, input_352=5, input_354=9, input_365=11, input_366=7, input_367=4, input_4=0, input_5=0, input_6=0, input_7=10, input_8=2, input_9=3, mask_SORT_1=7, mask_SORT_12=255, mask_SORT_181=15, mask_SORT_183=31, mask_SORT_185=63, mask_SORT_187=127, mask_SORT_3=1, mask_SORT_36=4294967295, mask_SORT_41=4294967295, mask_SORT_81=3, msb_SORT_1=4, msb_SORT_12=128, msb_SORT_181=8, msb_SORT_183=16, msb_SORT_185=32, msb_SORT_187=64, msb_SORT_3=1, msb_SORT_36=2147483648, msb_SORT_41=8388608, msb_SORT_81=2, state_15=0, state_17=0, state_20=0, state_23=0, state_27=0, state_333=0, state_337=0, state_39=0, state_52=0, state_61=0, state_85=0, state_90=0, state_99=0, var_14=0, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_25=0, var_25_arg_0=0, var_26=0, var_26_arg_0=0, var_26_arg_1=0, var_29=0, var_29_arg_0=0, var_29_arg_1=0, var_32=1, var_33=2, var_33_arg_0=0, var_34=1, var_34_arg_0=1, var_34_arg_1=2, var_37=0, var_38=0, var_42=0, var_84=0] [L163] SORT_3 bad_35_arg_0 = var_34; [L164] CALL __VERIFIER_assert(!(bad_35_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 387 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 387 mSDsluCounter, 338 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 178 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 160 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=89occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 94 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-18 20:06:19,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 05c3a93de5aae5fa41d1e1d2d135ef1005843a0f7c5941172978d0f42c601ada --- 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-8393723 [2022-11-18 20:06:21,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:06:21,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:06:21,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:06:21,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:06:21,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:06:21,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:06:21,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:06:21,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:06:21,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:06:21,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:06:21,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:06:21,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:06:21,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:06:21,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:06:21,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:06:21,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:06:21,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:06:21,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:06:21,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:06:21,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:06:21,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:06:21,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:06:21,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:06:21,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:06:21,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:06:21,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:06:21,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:06:21,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:06:21,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:06:21,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:06:21,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:06:21,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:06:21,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:06:21,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:06:21,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:06:21,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:06:21,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:06:21,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:06:21,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:06:21,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:06:21,988 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-18 20:06:22,045 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:06:22,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:06:22,047 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:06:22,047 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:06:22,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:06:22,048 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:06:22,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:06:22,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:06:22,050 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:06:22,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:06:22,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:06:22,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:06:22,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:06:22,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:06:22,053 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 20:06:22,053 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 20:06:22,054 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 20:06:22,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:06:22,054 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:06:22,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:06:22,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:06:22,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:06:22,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:06:22,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:06:22,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:06:22,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:06:22,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:06:22,057 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 20:06:22,057 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 20:06:22,057 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:06:22,057 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:06:22,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:06:22,058 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 20:06:22,058 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_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05c3a93de5aae5fa41d1e1d2d135ef1005843a0f7c5941172978d0f42c601ada [2022-11-18 20:06:22,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:06:22,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:06:22,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:06:22,494 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:06:22,497 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:06:22,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p1.c [2022-11-18 20:06:22,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/data/b9665ad24/ab480c94b538406e8c2a6022fd450f77/FLAGe294cff76 [2022-11-18 20:06:23,229 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:06:23,229 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p1.c [2022-11-18 20:06:23,255 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/data/b9665ad24/ab480c94b538406e8c2a6022fd450f77/FLAGe294cff76 [2022-11-18 20:06:23,546 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/data/b9665ad24/ab480c94b538406e8c2a6022fd450f77 [2022-11-18 20:06:23,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:06:23,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:06:23,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:06:23,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:06:23,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:06:23,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:06:23" (1/1) ... [2022-11-18 20:06:23,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ad565ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:23, skipping insertion in model container [2022-11-18 20:06:23,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:06:23" (1/1) ... [2022-11-18 20:06:23,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:06:23,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:06:23,811 WARN L234 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_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p1.c[1107,1120] [2022-11-18 20:06:24,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:06:24,025 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:06:24,037 WARN L234 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_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p1.c[1107,1120] [2022-11-18 20:06:24,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:06:24,241 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:06:24,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:24 WrapperNode [2022-11-18 20:06:24,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:06:24,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:06:24,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:06:24,243 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:06:24,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:24" (1/1) ... [2022-11-18 20:06:24,271 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:24" (1/1) ... [2022-11-18 20:06:24,367 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 805 [2022-11-18 20:06:24,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:06:24,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:06:24,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:06:24,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:06:24,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:24" (1/1) ... [2022-11-18 20:06:24,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:24" (1/1) ... [2022-11-18 20:06:24,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:24" (1/1) ... [2022-11-18 20:06:24,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:24" (1/1) ... [2022-11-18 20:06:24,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:24" (1/1) ... [2022-11-18 20:06:24,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:24" (1/1) ... [2022-11-18 20:06:24,446 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:24" (1/1) ... [2022-11-18 20:06:24,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:24" (1/1) ... [2022-11-18 20:06:24,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:06:24,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:06:24,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:06:24,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:06:24,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:24" (1/1) ... [2022-11-18 20:06:24,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:06:24,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:06:24,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:06:24,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:06:24,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:06:24,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:06:24,871 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:06:24,873 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:06:25,861 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:06:25,868 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:06:25,868 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:06:25,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:06:25 BoogieIcfgContainer [2022-11-18 20:06:25,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:06:25,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:06:25,875 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:06:25,878 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:06:25,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:06:23" (1/3) ... [2022-11-18 20:06:25,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a4b356e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:06:25, skipping insertion in model container [2022-11-18 20:06:25,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:06:24" (2/3) ... [2022-11-18 20:06:25,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a4b356e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:06:25, skipping insertion in model container [2022-11-18 20:06:25,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:06:25" (3/3) ... [2022-11-18 20:06:25,882 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_s1269b_p1.c [2022-11-18 20:06:25,900 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:06:25,901 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:06:25,974 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:06:25,983 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@278b84a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:06:25,983 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:06:25,987 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:06:25,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-18 20:06:25,994 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:06:25,994 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-18 20:06:25,995 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:06:26,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:06:26,001 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-18 20:06:26,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:06:26,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1284820940] [2022-11-18 20:06:26,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:06:26,018 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:06:26,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:06:26,022 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:06:26,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-18 20:06:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:26,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-18 20:06:26,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:06:26,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:06:26,471 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:06:26,472 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:06:26,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1284820940] [2022-11-18 20:06:26,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1284820940] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:06:26,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:06:26,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:06:26,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983412982] [2022-11-18 20:06:26,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:06:26,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:06:26,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:06:26,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:06:26,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:06:26,525 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:06:26,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:06:26,653 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-18 20:06:26,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:06:26,658 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-18 20:06:26,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:06:26,666 INFO L225 Difference]: With dead ends: 20 [2022-11-18 20:06:26,667 INFO L226 Difference]: Without dead ends: 11 [2022-11-18 20:06:26,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:06:26,674 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:06:26,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:06:26,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-18 20:06:26,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-18 20:06:26,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:06:26,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-18 20:06:26,711 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-18 20:06:26,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:06:26,712 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-18 20:06:26,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:06:26,712 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-18 20:06:26,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-18 20:06:26,713 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:06:26,713 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-18 20:06:26,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-18 20:06:26,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:06:26,925 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:06:26,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:06:26,926 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-18 20:06:26,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:06:26,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [834014859] [2022-11-18 20:06:26,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:06:26,929 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:06:26,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:06:26,931 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:06:26,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-18 20:06:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:27,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 82 conjunts are in the unsatisfiable core [2022-11-18 20:06:27,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:06:27,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:06:27,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:06:28,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:06:28,172 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:06:28,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [834014859] [2022-11-18 20:06:28,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [834014859] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:06:28,172 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:06:28,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-18 20:06:28,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842068457] [2022-11-18 20:06:28,173 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:06:28,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:06:28,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:06:28,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:06:28,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:06:28,176 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:06:28,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:06:28,320 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-18 20:06:28,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:06:28,323 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-18 20:06:28,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:06:28,324 INFO L225 Difference]: With dead ends: 16 [2022-11-18 20:06:28,324 INFO L226 Difference]: Without dead ends: 14 [2022-11-18 20:06:28,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:06:28,326 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:06:28,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 15 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 9 Unchecked, 0.1s Time] [2022-11-18 20:06:28,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-18 20:06:28,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-18 20:06:28,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:06:28,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-18 20:06:28,338 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-18 20:06:28,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:06:28,339 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-18 20:06:28,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:06:28,340 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-18 20:06:28,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-18 20:06:28,344 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:06:28,344 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-18 20:06:28,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:06:28,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:06:28,559 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:06:28,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:06:28,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-18 20:06:28,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:06:28,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2113720754] [2022-11-18 20:06:28,562 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:06:28,562 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:06:28,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:06:28,564 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:06:28,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-18 20:06:29,211 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 20:06:29,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:06:29,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 1411 conjuncts, 106 conjunts are in the unsatisfiable core [2022-11-18 20:06:29,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:06:29,647 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:06:29,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:06:30,131 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:06:30,131 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:06:30,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2113720754] [2022-11-18 20:06:30,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2113720754] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:06:30,132 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:06:30,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-18 20:06:30,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602374453] [2022-11-18 20:06:30,132 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:06:30,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 20:06:30,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:06:30,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 20:06:30,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:06:30,134 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:06:30,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:06:30,382 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-18 20:06:30,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 20:06:30,383 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-18 20:06:30,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:06:30,386 INFO L225 Difference]: With dead ends: 19 [2022-11-18 20:06:30,386 INFO L226 Difference]: Without dead ends: 17 [2022-11-18 20:06:30,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:06:30,392 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 28 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:06:30,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 32 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 28 Unchecked, 0.1s Time] [2022-11-18 20:06:30,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-18 20:06:30,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-18 20:06:30,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:06:30,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-18 20:06:30,406 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-18 20:06:30,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:06:30,407 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-18 20:06:30,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:06:30,407 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-18 20:06:30,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-18 20:06:30,408 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:06:30,408 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-18 20:06:30,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:06:30,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:06:30,624 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:06:30,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:06:30,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-18 20:06:30,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:06:30,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [81262066] [2022-11-18 20:06:30,626 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 20:06:30,627 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:06:30,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:06:30,628 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:06:30,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-18 20:06:31,151 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-18 20:06:31,151 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:06:31,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 95 conjunts are in the unsatisfiable core [2022-11-18 20:06:31,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:06:31,508 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-18 20:06:31,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:06:31,668 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-18 20:06:31,669 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:06:31,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [81262066] [2022-11-18 20:06:31,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [81262066] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 20:06:31,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:06:31,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2022-11-18 20:06:31,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440461087] [2022-11-18 20:06:31,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:06:31,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:06:31,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:06:31,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:06:31,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:06:31,676 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:06:31,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:06:31,707 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-11-18 20:06:31,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:06:31,708 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-18 20:06:31,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:06:31,708 INFO L225 Difference]: With dead ends: 15 [2022-11-18 20:06:31,708 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:06:31,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:06:31,710 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 1 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:06:31,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 9 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time] [2022-11-18 20:06:31,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:06:31,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:06:31,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:06:31,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:06:31,712 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-11-18 20:06:31,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:06:31,712 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:06:31,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:06:31,713 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:06:31,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:06:31,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:06:31,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:06:31,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:06:31,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 20:06:32,060 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 20:06:32,060 INFO L895 garLoopResultBuilder]: At program point L808(lines 22 809) the Hoare annotation is: false [2022-11-18 20:06:32,060 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:06:32,060 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 20:06:32,060 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 20:06:32,061 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-18 20:06:32,061 INFO L895 garLoopResultBuilder]: At program point L119-2(lines 119 807) the Hoare annotation is: (or (and (= |ULTIMATE.start_main_~state_17~0#1| |ULTIMATE.start_main_~state_15~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_17~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_39~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_3~0#1|) (= |ULTIMATE.start_main_~state_20~0#1| |ULTIMATE.start_main_~state_17~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_23~0#1|)) (and (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32))) (forall ((|v_ULTIMATE.start_main_~var_34_arg_0~0#1_10| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_26_arg_1~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_34_arg_0~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_20~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~state_17~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~state_15~0#1|))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_26_arg_1~0#1_10|))))))))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_3~0#1|))))))) [2022-11-18 20:06:32,061 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-18 20:06:32,062 INFO L899 garLoopResultBuilder]: For program point L119-3(lines 119 807) no Hoare annotation was computed. [2022-11-18 20:06:32,062 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-18 20:06:32,062 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-18 20:06:32,065 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1] [2022-11-18 20:06:32,070 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:06:32,079 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_34_arg_0~0#1_10,QUANTIFIED] [2022-11-18 20:06:32,080 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_26_arg_1~0#1_10,QUANTIFIED] [2022-11-18 20:06:32,089 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_34_arg_0~0#1_10,QUANTIFIED] [2022-11-18 20:06:32,089 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_26_arg_1~0#1_10,QUANTIFIED] [2022-11-18 20:06:32,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:06:32 BoogieIcfgContainer [2022-11-18 20:06:32,095 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:06:32,095 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:06:32,096 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:06:32,096 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:06:32,096 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:06:25" (3/4) ... [2022-11-18 20:06:32,099 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:06:32,128 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-18 20:06:32,129 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-18 20:06:32,130 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:06:32,258 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:06:32,259 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:06:32,259 INFO L158 Benchmark]: Toolchain (without parser) took 8709.24ms. Allocated memory was 75.5MB in the beginning and 182.5MB in the end (delta: 107.0MB). Free memory was 56.0MB in the beginning and 66.2MB in the end (delta: -10.2MB). Peak memory consumption was 96.1MB. Max. memory is 16.1GB. [2022-11-18 20:06:32,260 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 75.5MB. Free memory was 56.3MB in the beginning and 56.2MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:06:32,260 INFO L158 Benchmark]: CACSL2BoogieTranslator took 689.92ms. Allocated memory is still 75.5MB. Free memory was 55.8MB in the beginning and 39.9MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 20:06:32,260 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.46ms. Allocated memory is still 75.5MB. Free memory was 39.9MB in the beginning and 33.7MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 20:06:32,261 INFO L158 Benchmark]: Boogie Preprocessor took 87.61ms. Allocated memory is still 75.5MB. Free memory was 33.7MB in the beginning and 52.8MB in the end (delta: -19.1MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2022-11-18 20:06:32,261 INFO L158 Benchmark]: RCFGBuilder took 1416.26ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 52.8MB in the beginning and 62.6MB in the end (delta: -9.7MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2022-11-18 20:06:32,262 INFO L158 Benchmark]: TraceAbstraction took 6219.98ms. Allocated memory was 100.7MB in the beginning and 182.5MB in the end (delta: 81.8MB). Free memory was 61.9MB in the beginning and 77.7MB in the end (delta: -15.9MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. [2022-11-18 20:06:32,262 INFO L158 Benchmark]: Witness Printer took 163.47ms. Allocated memory is still 182.5MB. Free memory was 76.7MB in the beginning and 66.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:06:32,264 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 75.5MB. Free memory was 56.3MB in the beginning and 56.2MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 689.92ms. Allocated memory is still 75.5MB. Free memory was 55.8MB in the beginning and 39.9MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.46ms. Allocated memory is still 75.5MB. Free memory was 39.9MB in the beginning and 33.7MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.61ms. Allocated memory is still 75.5MB. Free memory was 33.7MB in the beginning and 52.8MB in the end (delta: -19.1MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1416.26ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 52.8MB in the beginning and 62.6MB in the end (delta: -9.7MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6219.98ms. Allocated memory was 100.7MB in the beginning and 182.5MB in the end (delta: 81.8MB). Free memory was 61.9MB in the beginning and 77.7MB in the end (delta: -15.9MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. * Witness Printer took 163.47ms. Allocated memory is still 182.5MB. Free memory was 76.7MB in the beginning and 66.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_34_arg_0~0#1_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_26_arg_1~0#1_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_34_arg_0~0#1_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_26_arg_1~0#1_10,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 41 IncrementalHoareTripleChecker+Unchecked, 50 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 19 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 63 HoareAnnotationTreeSize, 2 FomulaSimplifications, 33 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 526 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 38 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 64 ConstructedInterpolants, 18 QuantifiedInterpolants, 2358 SizeOfPredicates, 324 NumberOfNonLiveVariables, 3012 ConjunctsInSsa, 301 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 27/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 119]: Loop Invariant [2022-11-18 20:06:32,271 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_34_arg_0~0#1_10,QUANTIFIED] [2022-11-18 20:06:32,272 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_26_arg_1~0#1_10,QUANTIFIED] [2022-11-18 20:06:32,272 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_34_arg_0~0#1_10,QUANTIFIED] [2022-11-18 20:06:32,273 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_26_arg_1~0#1_10,QUANTIFIED] Derived loop invariant: (((((state_17 == state_15 && 0bv8 == state_17) && 0bv8 == state_39) && 1bv8 == mask_SORT_3) && state_20 == state_17) && 0bv8 == state_23) || (!(cond == 0bv32) && (forall v_ULTIMATE.start_main_~var_34_arg_0~0#1_10 : bv8, v_ULTIMATE.start_main_~var_26_arg_1~0#1_10 : bv8 :: 0bv8 == ~bvand32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(v_ULTIMATE.start_main_~var_34_arg_0~0#1_10), ~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(state_27), ~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(state_20), ~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(state_17), ~zero_extendFrom8To32(state_15))[7:0]))[7:0]), ~zero_extendFrom8To32(v_ULTIMATE.start_main_~var_26_arg_1~0#1_10))[7:0]))[7:0]))[7:0]))[7:0]), ~zero_extendFrom8To32(mask_SORT_3))[7:0])) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-18 20:06:32,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f3a6545-3cbb-4c3e-a5aa-6fc820bfdcb1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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: TRUE