./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8 --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 366eeddf946b02891f12ae6008d89d4c3d48d85db851b5226ae799d18837dde3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:33:34,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:33:34,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:33:34,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:33:34,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:33:34,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:33:34,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:33:34,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:33:34,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:33:34,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:33:34,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:33:34,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:33:34,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:33:34,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:33:34,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:33:34,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:33:34,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:33:34,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:33:34,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:33:34,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:33:34,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:33:34,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:33:34,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:33:34,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:33:34,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:33:34,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:33:34,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:33:34,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:33:34,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:33:34,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:33:34,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:33:34,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:33:34,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:33:34,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:33:34,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:33:34,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:33:34,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:33:34,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:33:34,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:33:34,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:33:34,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:33:34,204 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 12:33:34,231 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:33:34,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:33:34,232 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:33:34,232 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:33:34,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:33:34,233 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:33:34,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:33:34,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:33:34,234 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:33:34,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:33:34,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:33:34,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:33:34,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:33:34,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:33:34,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:33:34,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:33:34,236 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:33:34,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:33:34,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:33:34,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:33:34,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:33:34,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:33:34,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:33:34,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:33:34,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:33:34,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:33:34,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:33:34,239 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:33:34,240 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:33:34,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:33:34,240 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_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 366eeddf946b02891f12ae6008d89d4c3d48d85db851b5226ae799d18837dde3 [2022-11-16 12:33:34,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:33:34,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:33:34,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:33:34,560 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:33:34,561 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:33:34,563 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c [2022-11-16 12:33:34,647 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/data/58afe3e0f/0c76835f1f2a418a9ca317fafb2a2676/FLAG93e43e2f9 [2022-11-16 12:33:35,177 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:33:35,185 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c [2022-11-16 12:33:35,199 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/data/58afe3e0f/0c76835f1f2a418a9ca317fafb2a2676/FLAG93e43e2f9 [2022-11-16 12:33:35,493 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/data/58afe3e0f/0c76835f1f2a418a9ca317fafb2a2676 [2022-11-16 12:33:35,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:33:35,497 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:33:35,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:33:35,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:33:35,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:33:35,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:33:35" (1/1) ... [2022-11-16 12:33:35,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b06302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:35, skipping insertion in model container [2022-11-16 12:33:35,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:33:35" (1/1) ... [2022-11-16 12:33:35,520 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:33:35,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:33:35,864 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c[1107,1120] [2022-11-16 12:33:35,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:33:35,962 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:33:35,975 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c[1107,1120] [2022-11-16 12:33:36,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:33:36,027 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:33:36,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:36 WrapperNode [2022-11-16 12:33:36,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:33:36,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:33:36,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:33:36,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:33:36,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:36" (1/1) ... [2022-11-16 12:33:36,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:36" (1/1) ... [2022-11-16 12:33:36,095 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 280 [2022-11-16 12:33:36,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:33:36,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:33:36,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:33:36,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:33:36,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:36" (1/1) ... [2022-11-16 12:33:36,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:36" (1/1) ... [2022-11-16 12:33:36,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:36" (1/1) ... [2022-11-16 12:33:36,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:36" (1/1) ... [2022-11-16 12:33:36,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:36" (1/1) ... [2022-11-16 12:33:36,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:36" (1/1) ... [2022-11-16 12:33:36,146 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:36" (1/1) ... [2022-11-16 12:33:36,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:36" (1/1) ... [2022-11-16 12:33:36,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:33:36,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:33:36,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:33:36,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:33:36,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:36" (1/1) ... [2022-11-16 12:33:36,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:33:36,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:33:36,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:33:36,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:33:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:33:36,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:33:36,355 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:33:36,357 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:33:36,804 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:33:36,812 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:33:36,813 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:33:36,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:33:36 BoogieIcfgContainer [2022-11-16 12:33:36,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:33:36,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:33:36,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:33:36,824 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:33:36,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:33:35" (1/3) ... [2022-11-16 12:33:36,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc111af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:33:36, skipping insertion in model container [2022-11-16 12:33:36,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:36" (2/3) ... [2022-11-16 12:33:36,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc111af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:33:36, skipping insertion in model container [2022-11-16 12:33:36,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:33:36" (3/3) ... [2022-11-16 12:33:36,834 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v5.c [2022-11-16 12:33:36,858 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:33:36,859 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:33:36,952 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:33:36,961 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;@70acf6d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:33:36,961 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:33:36,967 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 33 states have (on average 1.606060606060606) internal successors, (53), 34 states have internal predecessors, (53), 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) [2022-11-16 12:33:36,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 12:33:36,975 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:33:36,975 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:36,976 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:33:36,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:36,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1178400828, now seen corresponding path program 1 times [2022-11-16 12:33:36,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:36,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007137267] [2022-11-16 12:33:36,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:36,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:37,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:37,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:33:37,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007137267] [2022-11-16 12:33:37,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007137267] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:37,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:37,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:33:37,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417994642] [2022-11-16 12:33:37,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:37,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:33:37,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:33:37,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:33:37,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:33:37,520 INFO L87 Difference]: Start difference. First operand has 35 states, 33 states have (on average 1.606060606060606) internal successors, (53), 34 states have internal predecessors, (53), 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 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-16 12:33:37,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:33:37,605 INFO L93 Difference]: Finished difference Result 100 states and 162 transitions. [2022-11-16 12:33:37,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:33:37,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 [2022-11-16 12:33:37,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:33:37,618 INFO L225 Difference]: With dead ends: 100 [2022-11-16 12:33:37,619 INFO L226 Difference]: Without dead ends: 67 [2022-11-16 12:33:37,622 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 [2022-11-16 12:33:37,626 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 117 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 128 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 [2022-11-16 12:33:37,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 128 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:33:37,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-16 12:33:37,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 33. [2022-11-16 12:33:37,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.53125) internal successors, (49), 32 states have internal predecessors, (49), 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) [2022-11-16 12:33:37,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 49 transitions. [2022-11-16 12:33:37,672 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 49 transitions. Word has length 11 [2022-11-16 12:33:37,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:33:37,672 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 49 transitions. [2022-11-16 12:33:37,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-16 12:33:37,673 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2022-11-16 12:33:37,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 12:33:37,674 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:33:37,674 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:37,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:33:37,675 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:33:37,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:37,676 INFO L85 PathProgramCache]: Analyzing trace with hash 2126004980, now seen corresponding path program 1 times [2022-11-16 12:33:37,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:33:37,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599290871] [2022-11-16 12:33:37,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:37,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:33:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:33:37,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:33:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:33:37,827 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:33:37,833 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 12:33:37,839 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:33:37,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:33:37,851 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-16 12:33:37,855 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:33:37,905 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 12:33:37,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:33:37 BoogieIcfgContainer [2022-11-16 12:33:37,920 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:33:37,921 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:33:37,923 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:33:37,923 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:33:37,924 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:33:36" (3/4) ... [2022-11-16 12:33:37,927 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:33:37,928 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:33:37,928 INFO L158 Benchmark]: Toolchain (without parser) took 2431.34ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 64.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2022-11-16 12:33:37,929 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:33:37,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.51ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 89.0MB in the end (delta: -10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:33:37,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.92ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 85.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 12:33:37,931 INFO L158 Benchmark]: Boogie Preprocessor took 55.14ms. Allocated memory is still 117.4MB. Free memory was 85.9MB in the beginning and 83.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:33:37,932 INFO L158 Benchmark]: RCFGBuilder took 662.96ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 62.3MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-16 12:33:37,932 INFO L158 Benchmark]: TraceAbstraction took 1102.26ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 64.7MB in the end (delta: -2.9MB). Peak memory consumption was 89.0kB. Max. memory is 16.1GB. [2022-11-16 12:33:37,933 INFO L158 Benchmark]: Witness Printer took 6.78ms. Allocated memory is still 117.4MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:33:37,936 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.51ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 89.0MB in the end (delta: -10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.92ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 85.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.14ms. Allocated memory is still 117.4MB. Free memory was 85.9MB in the beginning and 83.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 662.96ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 62.3MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1102.26ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 64.7MB in the end (delta: -2.9MB). Peak memory consumption was 89.0kB. Max. memory is 16.1GB. * Witness Printer took 6.78ms. Allocated memory is still 117.4MB. Free memory is still 64.7MB. 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 95, overapproximation of bitwiseAnd at line 98. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L28] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L29] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L31] const SORT_1 var_9 = 0; [L32] const SORT_5 var_17 = 1; [L33] const SORT_5 var_29 = 0; [L34] const SORT_1 var_75 = 1; [L36] SORT_1 input_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L39] SORT_5 input_6; [L40] SORT_5 input_7; [L41] SORT_5 input_8; [L42] SORT_5 input_27; [L44] SORT_1 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] SORT_5 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L50] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L51] SORT_5 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L52] SORT_1 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L53] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] SORT_1 init_11_arg_1 = var_9; [L57] state_10 = init_11_arg_1 [L58] SORT_1 init_13_arg_1 = var_9; [L59] state_12 = init_13_arg_1 [L60] SORT_1 init_22_arg_1 = var_9; [L61] state_21 = init_22_arg_1 [L62] SORT_1 init_24_arg_1 = var_9; [L63] state_23 = init_24_arg_1 [L64] SORT_1 init_26_arg_1 = var_9; [L65] state_25 = init_26_arg_1 [L66] SORT_5 init_31_arg_1 = var_29; [L67] state_30 = init_31_arg_1 [L68] SORT_1 init_33_arg_1 = var_9; [L69] state_32 = init_33_arg_1 [L70] SORT_5 init_35_arg_1 = var_29; [L71] state_34 = init_35_arg_1 [L72] SORT_1 init_37_arg_1 = var_9; [L73] state_36 = init_37_arg_1 [L74] SORT_1 init_40_arg_1 = var_9; [L75] state_39 = init_40_arg_1 [L76] SORT_1 init_42_arg_1 = var_9; [L77] state_41 = init_42_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_17=1, var_29=0, var_75=1, var_9=0] [L80] input_2 = __VERIFIER_nondet_uchar() [L81] input_3 = __VERIFIER_nondet_uchar() [L82] input_4 = __VERIFIER_nondet_uchar() [L83] input_6 = __VERIFIER_nondet_uchar() [L84] input_7 = __VERIFIER_nondet_uchar() [L85] input_7 = input_7 & mask_SORT_5 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_2=0, input_3=3, input_4=4, input_6=2, input_7=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_17=1, var_29=0, var_75=1, var_9=0] [L86] input_8 = __VERIFIER_nondet_uchar() [L87] input_8 = input_8 & mask_SORT_5 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_2=0, input_3=3, input_4=4, input_6=2, input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_17=1, var_29=0, var_75=1, var_9=0] [L88] input_27 = __VERIFIER_nondet_uchar() [L91] SORT_1 var_14_arg_0 = state_10; [L92] SORT_1 var_14_arg_1 = state_12; [L93] SORT_5 var_14 = var_14_arg_0 == var_14_arg_1; [L94] SORT_5 var_18_arg_0 = var_14; [L95] SORT_5 var_18 = ~var_18_arg_0; [L96] SORT_5 var_19_arg_0 = var_17; [L97] SORT_5 var_19_arg_1 = var_18; [L98] SORT_5 var_19 = var_19_arg_0 & var_19_arg_1; VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_2=0, input_27=1, input_3=3, input_4=4, input_6=2, input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=1, var_18=255, var_18_arg_0=1, var_19=1, var_19_arg_0=1, var_19_arg_1=255, var_29=0, var_75=1, var_9=0] [L99] var_19 = var_19 & mask_SORT_5 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_2=0, input_27=1, input_3=3, input_4=4, input_6=2, input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=1, var_18=255, var_18_arg_0=1, var_19=1, var_19_arg_0=1, var_19_arg_1=255, var_29=0, var_75=1, var_9=0] [L100] SORT_5 bad_20_arg_0 = var_19; [L101] CALL __VERIFIER_assert(!(bad_20_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, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 117 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 117 mSDsluCounter, 128 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 68 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 60 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=35occurred 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, 34 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 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 [2022-11-16 12:33:37,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8 --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 366eeddf946b02891f12ae6008d89d4c3d48d85db851b5226ae799d18837dde3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:33:40,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:33:40,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:33:40,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:33:40,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:33:40,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:33:40,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:33:40,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:33:40,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:33:40,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:33:40,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:33:40,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:33:40,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:33:40,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:33:40,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:33:40,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:33:40,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:33:40,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:33:40,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:33:40,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:33:40,704 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:33:40,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:33:40,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:33:40,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:33:40,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:33:40,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:33:40,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:33:40,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:33:40,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:33:40,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:33:40,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:33:40,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:33:40,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:33:40,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:33:40,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:33:40,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:33:40,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:33:40,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:33:40,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:33:40,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:33:40,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:33:40,751 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-16 12:33:40,803 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:33:40,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:33:40,806 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:33:40,806 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:33:40,807 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:33:40,807 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:33:40,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:33:40,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:33:40,808 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:33:40,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:33:40,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:33:40,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:33:40,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:33:40,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:33:40,810 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 12:33:40,810 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 12:33:40,810 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 12:33:40,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:33:40,810 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:33:40,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:33:40,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:33:40,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:33:40,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:33:40,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:33:40,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:33:40,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:33:40,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:33:40,812 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 12:33:40,812 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 12:33:40,813 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:33:40,813 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:33:40,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:33:40,813 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 12:33:40,813 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_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 366eeddf946b02891f12ae6008d89d4c3d48d85db851b5226ae799d18837dde3 [2022-11-16 12:33:41,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:33:41,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:33:41,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:33:41,368 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:33:41,371 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:33:41,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c [2022-11-16 12:33:41,459 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/data/2e1082a6f/2516a6ee27b744bdbc72df92eefaea9e/FLAGe62d74e14 [2022-11-16 12:33:42,105 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:33:42,106 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c [2022-11-16 12:33:42,119 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/data/2e1082a6f/2516a6ee27b744bdbc72df92eefaea9e/FLAGe62d74e14 [2022-11-16 12:33:42,405 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/data/2e1082a6f/2516a6ee27b744bdbc72df92eefaea9e [2022-11-16 12:33:42,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:33:42,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:33:42,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:33:42,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:33:42,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:33:42,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:33:42" (1/1) ... [2022-11-16 12:33:42,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@567385c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:42, skipping insertion in model container [2022-11-16 12:33:42,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:33:42" (1/1) ... [2022-11-16 12:33:42,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:33:42,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:33:42,616 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c[1107,1120] [2022-11-16 12:33:42,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:33:42,788 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:33:42,813 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v5.c[1107,1120] [2022-11-16 12:33:42,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:33:42,951 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:33:42,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:42 WrapperNode [2022-11-16 12:33:42,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:33:42,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:33:42,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:33:42,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:33:42,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:42" (1/1) ... [2022-11-16 12:33:42,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:42" (1/1) ... [2022-11-16 12:33:43,035 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 224 [2022-11-16 12:33:43,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:33:43,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:33:43,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:33:43,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:33:43,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:42" (1/1) ... [2022-11-16 12:33:43,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:42" (1/1) ... [2022-11-16 12:33:43,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:42" (1/1) ... [2022-11-16 12:33:43,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:42" (1/1) ... [2022-11-16 12:33:43,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:42" (1/1) ... [2022-11-16 12:33:43,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:42" (1/1) ... [2022-11-16 12:33:43,112 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:42" (1/1) ... [2022-11-16 12:33:43,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:42" (1/1) ... [2022-11-16 12:33:43,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:33:43,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:33:43,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:33:43,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:33:43,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:42" (1/1) ... [2022-11-16 12:33:43,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:33:43,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:33:43,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:33:43,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:33:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:33:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:33:43,417 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:33:43,427 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:33:43,934 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:33:43,942 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:33:43,943 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:33:43,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:33:43 BoogieIcfgContainer [2022-11-16 12:33:43,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:33:43,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:33:43,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:33:43,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:33:43,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:33:42" (1/3) ... [2022-11-16 12:33:43,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38da0bd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:33:43, skipping insertion in model container [2022-11-16 12:33:43,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:33:42" (2/3) ... [2022-11-16 12:33:43,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38da0bd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:33:43, skipping insertion in model container [2022-11-16 12:33:43,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:33:43" (3/3) ... [2022-11-16 12:33:43,959 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v5.c [2022-11-16 12:33:43,984 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:33:43,984 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:33:44,048 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:33:44,057 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;@10993ea6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:33:44,057 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:33:44,063 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) [2022-11-16 12:33:44,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 12:33:44,072 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:33:44,073 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 12:33:44,074 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:33:44,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:44,081 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-16 12:33:44,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:33:44,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [654135462] [2022-11-16 12:33:44,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:44,099 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 [2022-11-16 12:33:44,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:33:44,107 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:33:44,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:33:44,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:44,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-16 12:33:44,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:33:44,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:44,601 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:33:44,602 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:33:44,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [654135462] [2022-11-16 12:33:44,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [654135462] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:33:44,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:33:44,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:33:44,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212885589] [2022-11-16 12:33:44,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:33:44,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:33:44,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:33:44,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:33:44,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:33:44,661 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) [2022-11-16 12:33:44,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:33:44,798 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-16 12:33:44,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:33:44,801 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 [2022-11-16 12:33:44,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:33:44,812 INFO L225 Difference]: With dead ends: 20 [2022-11-16 12:33:44,812 INFO L226 Difference]: Without dead ends: 11 [2022-11-16 12:33:44,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:33:44,820 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 [2022-11-16 12:33:44,821 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] [2022-11-16 12:33:44,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-16 12:33:44,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-16 12:33:44,858 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) [2022-11-16 12:33:44,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-16 12:33:44,860 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-16 12:33:44,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:33:44,861 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-16 12:33:44,861 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) [2022-11-16 12:33:44,861 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-16 12:33:44,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 12:33:44,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:33:44,862 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-16 12:33:44,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:33:45,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:33:45,075 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:33:45,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:45,076 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-16 12:33:45,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:33:45,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850952301] [2022-11-16 12:33:45,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:33:45,082 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 [2022-11-16 12:33:45,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:33:45,089 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:33:45,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:33:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:33:45,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-16 12:33:45,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:33:46,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:46,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:33:47,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:47,546 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:33:47,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1850952301] [2022-11-16 12:33:47,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1850952301] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:33:47,548 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:33:47,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-16 12:33:47,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330285894] [2022-11-16 12:33:47,553 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:33:47,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 12:33:47,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:33:47,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 12:33:47,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:33:47,559 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 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) [2022-11-16 12:33:47,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:33:47,623 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-16 12:33:47,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 12:33:47,624 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 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 [2022-11-16 12:33:47,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:33:47,625 INFO L225 Difference]: With dead ends: 16 [2022-11-16 12:33:47,625 INFO L226 Difference]: Without dead ends: 14 [2022-11-16 12:33:47,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-11-16 12:33:47,630 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 13 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:33:47,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 22 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 11 Unchecked, 0.0s Time] [2022-11-16 12:33:47,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-16 12:33:47,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-16 12:33:47,643 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) [2022-11-16 12:33:47,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-16 12:33:47,645 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-16 12:33:47,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:33:47,647 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-16 12:33:47,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 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) [2022-11-16 12:33:47,648 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-16 12:33:47,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 12:33:47,655 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:33:47,655 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-16 12:33:47,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:33:47,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:33:47,869 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:33:47,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:47,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-16 12:33:47,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:33:47,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1476142920] [2022-11-16 12:33:47,870 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 12:33:47,871 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 [2022-11-16 12:33:47,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:33:47,872 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:33:47,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:33:48,079 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 12:33:48,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:33:48,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 84 conjunts are in the unsatisfiable core [2022-11-16 12:33:48,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:33:48,937 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:48,937 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:33:55,966 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:33:55,967 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:33:55,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1476142920] [2022-11-16 12:33:55,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1476142920] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:33:55,968 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:33:55,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-16 12:33:55,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410897097] [2022-11-16 12:33:55,968 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:33:55,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 12:33:55,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:33:55,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 12:33:55,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:33:55,970 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 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) [2022-11-16 12:33:56,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:33:56,242 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-16 12:33:56,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:33:56,243 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 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 [2022-11-16 12:33:56,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:33:56,244 INFO L225 Difference]: With dead ends: 19 [2022-11-16 12:33:56,244 INFO L226 Difference]: Without dead ends: 17 [2022-11-16 12:33:56,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2022-11-16 12:33:56,245 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 6 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:33:56,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 28 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 21 Unchecked, 0.1s Time] [2022-11-16 12:33:56,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-16 12:33:56,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-16 12:33:56,249 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) [2022-11-16 12:33:56,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-16 12:33:56,250 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-16 12:33:56,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:33:56,250 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-16 12:33:56,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 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) [2022-11-16 12:33:56,253 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-16 12:33:56,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 12:33:56,253 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:33:56,254 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-16 12:33:56,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:33:56,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:33:56,455 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:33:56,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:33:56,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-16 12:33:56,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:33:56,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1349817857] [2022-11-16 12:33:56,457 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 12:33:56,457 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 [2022-11-16 12:33:56,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:33:56,465 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:33:56,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:33:56,695 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-16 12:33:56,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-16 12:33:56,696 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:33:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:33:56,988 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-16 12:33:56,988 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 12:33:56,989 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:33:57,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:33:57,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:33:57,219 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1] [2022-11-16 12:33:57,224 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:33:57,302 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 12:33:57,302 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 12:33:57,302 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 12:33:57,302 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 12:33:57,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:33:57 BoogieIcfgContainer [2022-11-16 12:33:57,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:33:57,340 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:33:57,340 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:33:57,340 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:33:57,341 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:33:43" (3/4) ... [2022-11-16 12:33:57,342 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-16 12:33:57,369 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 12:33:57,370 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 12:33:57,370 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 12:33:57,370 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 12:33:57,456 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:33:57,456 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:33:57,457 INFO L158 Benchmark]: Toolchain (without parser) took 15047.44ms. Allocated memory was 60.8MB in the beginning and 146.8MB in the end (delta: 86.0MB). Free memory was 38.6MB in the beginning and 70.6MB in the end (delta: -32.0MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2022-11-16 12:33:57,457 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory was 42.5MB in the beginning and 42.4MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:33:57,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 538.29ms. Allocated memory is still 60.8MB. Free memory was 38.3MB in the beginning and 41.9MB in the end (delta: -3.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 12:33:57,458 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.07ms. Allocated memory is still 60.8MB. Free memory was 41.9MB in the beginning and 39.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:33:57,458 INFO L158 Benchmark]: Boogie Preprocessor took 83.59ms. Allocated memory is still 60.8MB. Free memory was 39.4MB in the beginning and 37.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:33:57,458 INFO L158 Benchmark]: RCFGBuilder took 821.02ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 37.6MB in the beginning and 52.2MB in the end (delta: -14.6MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2022-11-16 12:33:57,459 INFO L158 Benchmark]: TraceAbstraction took 13390.80ms. Allocated memory was 79.7MB in the beginning and 146.8MB in the end (delta: 67.1MB). Free memory was 51.7MB in the beginning and 82.2MB in the end (delta: -30.5MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2022-11-16 12:33:57,459 INFO L158 Benchmark]: Witness Printer took 116.34ms. Allocated memory is still 146.8MB. Free memory was 82.2MB in the beginning and 70.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:33:57,461 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory was 42.5MB in the beginning and 42.4MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 538.29ms. Allocated memory is still 60.8MB. Free memory was 38.3MB in the beginning and 41.9MB in the end (delta: -3.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.07ms. Allocated memory is still 60.8MB. Free memory was 41.9MB in the beginning and 39.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.59ms. Allocated memory is still 60.8MB. Free memory was 39.4MB in the beginning and 37.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 821.02ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 37.6MB in the beginning and 52.2MB in the end (delta: -14.6MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * TraceAbstraction took 13390.80ms. Allocated memory was 79.7MB in the beginning and 146.8MB in the end (delta: 67.1MB). Free memory was 51.7MB in the beginning and 82.2MB in the end (delta: -30.5MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Witness Printer took 116.34ms. Allocated memory is still 146.8MB. Free memory was 82.2MB in the beginning and 70.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. 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 - CounterExampleResult [Line: 20]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L28] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L29] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L31] const SORT_1 var_9 = 0; [L32] const SORT_5 var_17 = 1; [L33] const SORT_5 var_29 = 0; [L34] const SORT_1 var_75 = 1; [L36] SORT_1 input_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L39] SORT_5 input_6; [L40] SORT_5 input_7; [L41] SORT_5 input_8; [L42] SORT_5 input_27; [L44] SORT_1 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] SORT_5 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L50] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L51] SORT_5 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L52] SORT_1 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L53] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] SORT_1 init_11_arg_1 = var_9; [L57] state_10 = init_11_arg_1 [L58] SORT_1 init_13_arg_1 = var_9; [L59] state_12 = init_13_arg_1 [L60] SORT_1 init_22_arg_1 = var_9; [L61] state_21 = init_22_arg_1 [L62] SORT_1 init_24_arg_1 = var_9; [L63] state_23 = init_24_arg_1 [L64] SORT_1 init_26_arg_1 = var_9; [L65] state_25 = init_26_arg_1 [L66] SORT_5 init_31_arg_1 = var_29; [L67] state_30 = init_31_arg_1 [L68] SORT_1 init_33_arg_1 = var_9; [L69] state_32 = init_33_arg_1 [L70] SORT_5 init_35_arg_1 = var_29; [L71] state_34 = init_35_arg_1 [L72] SORT_1 init_37_arg_1 = var_9; [L73] state_36 = init_37_arg_1 [L74] SORT_1 init_40_arg_1 = var_9; [L75] state_39 = init_40_arg_1 [L76] SORT_1 init_42_arg_1 = var_9; [L77] state_41 = init_42_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_17=1, var_29=0, var_75=1, var_9=0] [L80] input_2 = __VERIFIER_nondet_uchar() [L81] input_3 = __VERIFIER_nondet_uchar() [L82] input_4 = __VERIFIER_nondet_uchar() [L83] input_6 = __VERIFIER_nondet_uchar() [L84] input_7 = __VERIFIER_nondet_uchar() [L85] input_7 = input_7 & mask_SORT_5 [L86] input_8 = __VERIFIER_nondet_uchar() [L87] input_8 = input_8 & mask_SORT_5 [L88] input_27 = __VERIFIER_nondet_uchar() [L91] SORT_1 var_14_arg_0 = state_10; [L92] SORT_1 var_14_arg_1 = state_12; [L93] SORT_5 var_14 = var_14_arg_0 == var_14_arg_1; [L94] SORT_5 var_18_arg_0 = var_14; [L95] SORT_5 var_18 = ~var_18_arg_0; [L96] SORT_5 var_19_arg_0 = var_17; [L97] SORT_5 var_19_arg_1 = var_18; [L98] SORT_5 var_19 = var_19_arg_0 & var_19_arg_1; [L99] var_19 = var_19 & mask_SORT_5 [L100] SORT_5 bad_20_arg_0 = var_19; [L101] CALL __VERIFIER_assert(!(bad_20_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L101] RET __VERIFIER_assert(!(bad_20_arg_0)) [L103] SORT_5 var_52_arg_0 = input_8; [L104] SORT_5 var_52_arg_1 = var_17; [L105] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L106] SORT_5 var_53_arg_0 = var_52; [L107] SORT_1 var_53_arg_1 = var_9; [L108] SORT_1 var_53_arg_2 = state_41; [L109] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L110] var_53 = var_53 & mask_SORT_1 [L111] SORT_1 next_54_arg_1 = var_53; [L112] SORT_5 var_58_arg_0 = input_8; [L113] SORT_5 var_58_arg_1 = var_17; [L114] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L115] SORT_1 var_56_arg_0 = state_36; [L116] SORT_1 var_56_arg_1 = state_32; [L117] SORT_1 var_56 = var_56_arg_0 - var_56_arg_1; [L118] SORT_1 var_55_arg_0 = state_36; [L119] SORT_1 var_55_arg_1 = state_32; [L120] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L121] SORT_5 var_57_arg_0 = state_34; [L122] SORT_1 var_57_arg_1 = var_56; [L123] SORT_1 var_57_arg_2 = var_55; [L124] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L125] SORT_5 var_59_arg_0 = var_58; [L126] SORT_1 var_59_arg_1 = var_9; [L127] SORT_1 var_59_arg_2 = var_57; [L128] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L129] var_59 = var_59 & mask_SORT_1 [L130] SORT_1 next_60_arg_1 = var_59; [L131] SORT_5 var_61_arg_0 = var_58; [L132] SORT_1 var_61_arg_1 = var_9; [L133] SORT_1 var_61_arg_2 = input_2; [L134] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L135] SORT_1 next_62_arg_1 = var_61; [L136] SORT_5 var_63_arg_0 = var_58; [L137] SORT_1 var_63_arg_1 = var_9; [L138] SORT_1 var_63_arg_2 = input_3; [L139] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L140] SORT_1 next_64_arg_1 = var_63; [L141] SORT_5 var_65_arg_0 = var_58; [L142] SORT_1 var_65_arg_1 = var_9; [L143] SORT_1 var_65_arg_2 = input_4; [L144] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L145] SORT_1 next_66_arg_1 = var_65; [L146] SORT_5 var_67_arg_0 = var_58; [L147] SORT_5 var_67_arg_1 = var_29; [L148] SORT_5 var_67_arg_2 = input_7; [L149] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L150] SORT_5 next_68_arg_1 = var_67; [L151] SORT_5 var_69_arg_0 = var_58; [L152] SORT_1 var_69_arg_1 = var_9; [L153] SORT_1 var_69_arg_2 = state_25; [L154] SORT_1 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L155] SORT_1 next_70_arg_1 = var_69; [L156] SORT_5 var_71_arg_0 = var_58; [L157] SORT_5 var_71_arg_1 = var_29; [L158] SORT_5 var_71_arg_2 = state_30; [L159] SORT_5 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L160] var_71 = var_71 & mask_SORT_5 [L161] SORT_5 next_72_arg_1 = var_71; [L162] SORT_1 var_76_arg_0 = state_21; [L163] SORT_1 var_76_arg_1 = var_75; [L164] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L165] var_76 = var_76 & mask_SORT_1 [L166] SORT_1 var_77_arg_0 = var_76; [L167] SORT_1 var_77_arg_1 = var_75; [L168] SORT_5 var_77 = var_77_arg_0 == var_77_arg_1; [L169] SORT_1 var_74_arg_0 = state_21; [L170] SORT_1 var_74_arg_1 = state_23; [L171] SORT_1 var_74 = var_74_arg_0 + var_74_arg_1; [L172] SORT_1 var_73_arg_0 = state_21; [L173] SORT_1 var_73_arg_1 = state_23; [L174] SORT_1 var_73 = var_73_arg_0 - var_73_arg_1; [L175] SORT_5 var_78_arg_0 = var_77; [L176] SORT_1 var_78_arg_1 = var_74; [L177] SORT_1 var_78_arg_2 = var_73; [L178] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L179] SORT_5 var_79_arg_0 = var_58; [L180] SORT_1 var_79_arg_1 = var_9; [L181] SORT_1 var_79_arg_2 = var_78; [L182] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L183] SORT_1 next_80_arg_1 = var_79; [L184] SORT_1 var_45_arg_0 = input_2; [L185] SORT_5 var_45 = var_45_arg_0 >> 0; [L186] var_45 = var_45 & mask_SORT_5 [L187] SORT_1 var_44_arg_0 = input_2; [L188] SORT_1 var_44_arg_1 = input_3; [L189] SORT_1 var_44 = var_44_arg_0 + var_44_arg_1; [L190] SORT_1 var_43_arg_0 = input_2; [L191] SORT_1 var_43_arg_1 = input_3; [L192] SORT_1 var_43 = var_43_arg_0 - var_43_arg_1; [L193] SORT_5 var_46_arg_0 = var_45; [L194] SORT_1 var_46_arg_1 = var_44; [L195] SORT_1 var_46_arg_2 = var_43; [L196] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L197] SORT_1 var_48_arg_0 = var_46; [L198] SORT_1 var_48_arg_1 = input_4; [L199] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L200] SORT_1 var_47_arg_0 = var_46; [L201] SORT_1 var_47_arg_1 = input_4; [L202] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L203] SORT_5 var_49_arg_0 = input_7; [L204] SORT_1 var_49_arg_1 = var_48; [L205] SORT_1 var_49_arg_2 = var_47; [L206] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L207] SORT_5 var_81_arg_0 = var_52; [L208] SORT_1 var_81_arg_1 = var_9; [L209] SORT_1 var_81_arg_2 = var_49; [L210] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L211] SORT_1 next_82_arg_1 = var_81; [L212] SORT_5 var_83_arg_0 = var_52; [L213] SORT_1 var_83_arg_1 = var_9; [L214] SORT_1 var_83_arg_2 = state_39; [L215] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L216] SORT_1 next_84_arg_1 = var_83; [L218] state_10 = next_54_arg_1 [L219] state_12 = next_60_arg_1 [L220] state_21 = next_62_arg_1 [L221] state_23 = next_64_arg_1 [L222] state_25 = next_66_arg_1 [L223] state_30 = next_68_arg_1 [L224] state_32 = next_70_arg_1 [L225] state_34 = next_72_arg_1 [L226] state_36 = next_80_arg_1 [L227] state_39 = next_82_arg_1 [L228] state_41 = next_84_arg_1 VAL [bad_20_arg_0=0, init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_2=128, input_27=3, input_3=64, input_4=64, input_6=2, input_7=1, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, next_54_arg_1=0, next_60_arg_1=0, next_62_arg_1=128, next_64_arg_1=64, next_66_arg_1=64, next_68_arg_1=1, next_70_arg_1=0, next_72_arg_1=0, next_80_arg_1=0, next_82_arg_1=128, next_84_arg_1=0, state_10=0, state_12=0, state_21=128, state_23=64, state_25=64, state_30=1, state_32=0, state_34=0, state_36=0, state_39=128, state_41=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=1, var_18=254, var_18_arg_0=1, var_19=0, var_19_arg_0=1, var_19_arg_1=254, var_29=0, var_43=64, var_43_arg_0=128, var_43_arg_1=64, var_44=192, var_44_arg_0=128, var_44_arg_1=64, var_45=0, var_45_arg_0=128, var_46=64, var_46_arg_0=0, var_46_arg_1=192, var_46_arg_2=64, var_47=0, var_47_arg_0=64, var_47_arg_1=64, var_48=128, var_48_arg_0=64, var_48_arg_1=64, var_49=128, var_49_arg_0=1, var_49_arg_1=128, var_49_arg_2=0, var_52=0, var_52_arg_0=0, var_52_arg_1=1, var_53=0, var_53_arg_0=0, var_53_arg_1=0, var_53_arg_2=0, var_55=0, var_55_arg_0=0, var_55_arg_1=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_57_arg_2=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_59_arg_2=0, var_61=128, var_61_arg_0=0, var_61_arg_1=0, var_61_arg_2=128, var_63=64, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=64, var_65=64, var_65_arg_0=0, var_65_arg_1=0, var_65_arg_2=64, var_67=1, var_67_arg_0=0, var_67_arg_1=0, var_67_arg_2=1, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_69_arg_2=0, var_71=0, var_71_arg_0=0, var_71_arg_1=0, var_71_arg_2=0, var_73=0, var_73_arg_0=0, var_73_arg_1=0, var_74=0, var_74_arg_0=0, var_74_arg_1=0, var_75=1, var_76=0, var_76_arg_0=0, var_76_arg_1=1, var_77=0, var_77_arg_0=0, var_77_arg_1=1, var_78=0, var_78_arg_0=0, var_78_arg_1=0, var_78_arg_2=0, var_79=0, var_79_arg_0=0, var_79_arg_1=0, var_79_arg_2=0, var_81=128, var_81_arg_0=0, var_81_arg_1=0, var_81_arg_2=128, var_83=0, var_83_arg_0=0, var_83_arg_1=0, var_83_arg_2=0, var_9=0] [L80] input_2 = __VERIFIER_nondet_uchar() [L81] input_3 = __VERIFIER_nondet_uchar() [L82] input_4 = __VERIFIER_nondet_uchar() [L83] input_6 = __VERIFIER_nondet_uchar() [L84] input_7 = __VERIFIER_nondet_uchar() [L85] input_7 = input_7 & mask_SORT_5 [L86] input_8 = __VERIFIER_nondet_uchar() [L87] input_8 = input_8 & mask_SORT_5 [L88] input_27 = __VERIFIER_nondet_uchar() [L91] SORT_1 var_14_arg_0 = state_10; [L92] SORT_1 var_14_arg_1 = state_12; [L93] SORT_5 var_14 = var_14_arg_0 == var_14_arg_1; [L94] SORT_5 var_18_arg_0 = var_14; [L95] SORT_5 var_18 = ~var_18_arg_0; [L96] SORT_5 var_19_arg_0 = var_17; [L97] SORT_5 var_19_arg_1 = var_18; [L98] SORT_5 var_19 = var_19_arg_0 & var_19_arg_1; [L99] var_19 = var_19 & mask_SORT_5 [L100] SORT_5 bad_20_arg_0 = var_19; [L101] CALL __VERIFIER_assert(!(bad_20_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L101] RET __VERIFIER_assert(!(bad_20_arg_0)) [L103] SORT_5 var_52_arg_0 = input_8; [L104] SORT_5 var_52_arg_1 = var_17; [L105] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L106] SORT_5 var_53_arg_0 = var_52; [L107] SORT_1 var_53_arg_1 = var_9; [L108] SORT_1 var_53_arg_2 = state_41; [L109] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L110] var_53 = var_53 & mask_SORT_1 [L111] SORT_1 next_54_arg_1 = var_53; [L112] SORT_5 var_58_arg_0 = input_8; [L113] SORT_5 var_58_arg_1 = var_17; [L114] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L115] SORT_1 var_56_arg_0 = state_36; [L116] SORT_1 var_56_arg_1 = state_32; [L117] SORT_1 var_56 = var_56_arg_0 - var_56_arg_1; [L118] SORT_1 var_55_arg_0 = state_36; [L119] SORT_1 var_55_arg_1 = state_32; [L120] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L121] SORT_5 var_57_arg_0 = state_34; [L122] SORT_1 var_57_arg_1 = var_56; [L123] SORT_1 var_57_arg_2 = var_55; [L124] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L125] SORT_5 var_59_arg_0 = var_58; [L126] SORT_1 var_59_arg_1 = var_9; [L127] SORT_1 var_59_arg_2 = var_57; [L128] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L129] var_59 = var_59 & mask_SORT_1 [L130] SORT_1 next_60_arg_1 = var_59; [L131] SORT_5 var_61_arg_0 = var_58; [L132] SORT_1 var_61_arg_1 = var_9; [L133] SORT_1 var_61_arg_2 = input_2; [L134] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L135] SORT_1 next_62_arg_1 = var_61; [L136] SORT_5 var_63_arg_0 = var_58; [L137] SORT_1 var_63_arg_1 = var_9; [L138] SORT_1 var_63_arg_2 = input_3; [L139] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L140] SORT_1 next_64_arg_1 = var_63; [L141] SORT_5 var_65_arg_0 = var_58; [L142] SORT_1 var_65_arg_1 = var_9; [L143] SORT_1 var_65_arg_2 = input_4; [L144] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L145] SORT_1 next_66_arg_1 = var_65; [L146] SORT_5 var_67_arg_0 = var_58; [L147] SORT_5 var_67_arg_1 = var_29; [L148] SORT_5 var_67_arg_2 = input_7; [L149] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L150] SORT_5 next_68_arg_1 = var_67; [L151] SORT_5 var_69_arg_0 = var_58; [L152] SORT_1 var_69_arg_1 = var_9; [L153] SORT_1 var_69_arg_2 = state_25; [L154] SORT_1 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L155] SORT_1 next_70_arg_1 = var_69; [L156] SORT_5 var_71_arg_0 = var_58; [L157] SORT_5 var_71_arg_1 = var_29; [L158] SORT_5 var_71_arg_2 = state_30; [L159] SORT_5 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L160] var_71 = var_71 & mask_SORT_5 [L161] SORT_5 next_72_arg_1 = var_71; [L162] SORT_1 var_76_arg_0 = state_21; [L163] SORT_1 var_76_arg_1 = var_75; [L164] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L165] var_76 = var_76 & mask_SORT_1 [L166] SORT_1 var_77_arg_0 = var_76; [L167] SORT_1 var_77_arg_1 = var_75; [L168] SORT_5 var_77 = var_77_arg_0 == var_77_arg_1; [L169] SORT_1 var_74_arg_0 = state_21; [L170] SORT_1 var_74_arg_1 = state_23; [L171] SORT_1 var_74 = var_74_arg_0 + var_74_arg_1; [L172] SORT_1 var_73_arg_0 = state_21; [L173] SORT_1 var_73_arg_1 = state_23; [L174] SORT_1 var_73 = var_73_arg_0 - var_73_arg_1; [L175] SORT_5 var_78_arg_0 = var_77; [L176] SORT_1 var_78_arg_1 = var_74; [L177] SORT_1 var_78_arg_2 = var_73; [L178] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L179] SORT_5 var_79_arg_0 = var_58; [L180] SORT_1 var_79_arg_1 = var_9; [L181] SORT_1 var_79_arg_2 = var_78; [L182] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L183] SORT_1 next_80_arg_1 = var_79; [L184] SORT_1 var_45_arg_0 = input_2; [L185] SORT_5 var_45 = var_45_arg_0 >> 0; [L186] var_45 = var_45 & mask_SORT_5 [L187] SORT_1 var_44_arg_0 = input_2; [L188] SORT_1 var_44_arg_1 = input_3; [L189] SORT_1 var_44 = var_44_arg_0 + var_44_arg_1; [L190] SORT_1 var_43_arg_0 = input_2; [L191] SORT_1 var_43_arg_1 = input_3; [L192] SORT_1 var_43 = var_43_arg_0 - var_43_arg_1; [L193] SORT_5 var_46_arg_0 = var_45; [L194] SORT_1 var_46_arg_1 = var_44; [L195] SORT_1 var_46_arg_2 = var_43; [L196] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L197] SORT_1 var_48_arg_0 = var_46; [L198] SORT_1 var_48_arg_1 = input_4; [L199] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L200] SORT_1 var_47_arg_0 = var_46; [L201] SORT_1 var_47_arg_1 = input_4; [L202] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L203] SORT_5 var_49_arg_0 = input_7; [L204] SORT_1 var_49_arg_1 = var_48; [L205] SORT_1 var_49_arg_2 = var_47; [L206] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L207] SORT_5 var_81_arg_0 = var_52; [L208] SORT_1 var_81_arg_1 = var_9; [L209] SORT_1 var_81_arg_2 = var_49; [L210] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L211] SORT_1 next_82_arg_1 = var_81; [L212] SORT_5 var_83_arg_0 = var_52; [L213] SORT_1 var_83_arg_1 = var_9; [L214] SORT_1 var_83_arg_2 = state_39; [L215] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L216] SORT_1 next_84_arg_1 = var_83; [L218] state_10 = next_54_arg_1 [L219] state_12 = next_60_arg_1 [L220] state_21 = next_62_arg_1 [L221] state_23 = next_64_arg_1 [L222] state_25 = next_66_arg_1 [L223] state_30 = next_68_arg_1 [L224] state_32 = next_70_arg_1 [L225] state_34 = next_72_arg_1 [L226] state_36 = next_80_arg_1 [L227] state_39 = next_82_arg_1 [L228] state_41 = next_84_arg_1 VAL [bad_20_arg_0=0, init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_2=0, input_27=4, input_3=0, input_4=0, input_6=5, input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, next_54_arg_1=0, next_60_arg_1=0, next_62_arg_1=0, next_64_arg_1=0, next_66_arg_1=0, next_68_arg_1=0, next_70_arg_1=64, next_72_arg_1=1, next_80_arg_1=64, next_82_arg_1=0, next_84_arg_1=128, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=64, state_34=1, state_36=64, state_39=0, state_41=128, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=1, var_18=254, var_18_arg_0=1, var_19=0, var_19_arg_0=1, var_19_arg_1=254, var_29=0, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_44=0, var_44_arg_0=0, var_44_arg_1=0, var_45=0, var_45_arg_0=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_47=0, var_47_arg_0=0, var_47_arg_1=0, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=0, var_52=0, var_52_arg_0=0, var_52_arg_1=1, var_53=0, var_53_arg_0=0, var_53_arg_1=0, var_53_arg_2=0, var_55=0, var_55_arg_0=0, var_55_arg_1=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_57_arg_2=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_59_arg_2=0, var_61=0, var_61_arg_0=0, var_61_arg_1=0, var_61_arg_2=0, var_63=0, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=0, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_65_arg_2=0, var_67=0, var_67_arg_0=0, var_67_arg_1=0, var_67_arg_2=0, var_69=64, var_69_arg_0=0, var_69_arg_1=0, var_69_arg_2=64, var_71=1, var_71_arg_0=0, var_71_arg_1=0, var_71_arg_2=1, var_73=64, var_73_arg_0=128, var_73_arg_1=64, var_74=192, var_74_arg_0=128, var_74_arg_1=64, var_75=1, var_76=0, var_76_arg_0=128, var_76_arg_1=1, var_77=0, var_77_arg_0=0, var_77_arg_1=1, var_78=64, var_78_arg_0=0, var_78_arg_1=192, var_78_arg_2=64, var_79=64, var_79_arg_0=0, var_79_arg_1=0, var_79_arg_2=64, var_81=0, var_81_arg_0=0, var_81_arg_1=0, var_81_arg_2=0, var_83=128, var_83_arg_0=0, var_83_arg_1=0, var_83_arg_2=128, var_9=0] [L80] input_2 = __VERIFIER_nondet_uchar() [L81] input_3 = __VERIFIER_nondet_uchar() [L82] input_4 = __VERIFIER_nondet_uchar() [L83] input_6 = __VERIFIER_nondet_uchar() [L84] input_7 = __VERIFIER_nondet_uchar() [L85] input_7 = input_7 & mask_SORT_5 [L86] input_8 = __VERIFIER_nondet_uchar() [L87] input_8 = input_8 & mask_SORT_5 [L88] input_27 = __VERIFIER_nondet_uchar() [L91] SORT_1 var_14_arg_0 = state_10; [L92] SORT_1 var_14_arg_1 = state_12; [L93] SORT_5 var_14 = var_14_arg_0 == var_14_arg_1; [L94] SORT_5 var_18_arg_0 = var_14; [L95] SORT_5 var_18 = ~var_18_arg_0; [L96] SORT_5 var_19_arg_0 = var_17; [L97] SORT_5 var_19_arg_1 = var_18; [L98] SORT_5 var_19 = var_19_arg_0 & var_19_arg_1; [L99] var_19 = var_19 & mask_SORT_5 [L100] SORT_5 bad_20_arg_0 = var_19; [L101] CALL __VERIFIER_assert(!(bad_20_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L101] RET __VERIFIER_assert(!(bad_20_arg_0)) [L103] SORT_5 var_52_arg_0 = input_8; [L104] SORT_5 var_52_arg_1 = var_17; [L105] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L106] SORT_5 var_53_arg_0 = var_52; [L107] SORT_1 var_53_arg_1 = var_9; [L108] SORT_1 var_53_arg_2 = state_41; [L109] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L110] var_53 = var_53 & mask_SORT_1 [L111] SORT_1 next_54_arg_1 = var_53; [L112] SORT_5 var_58_arg_0 = input_8; [L113] SORT_5 var_58_arg_1 = var_17; [L114] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L115] SORT_1 var_56_arg_0 = state_36; [L116] SORT_1 var_56_arg_1 = state_32; [L117] SORT_1 var_56 = var_56_arg_0 - var_56_arg_1; [L118] SORT_1 var_55_arg_0 = state_36; [L119] SORT_1 var_55_arg_1 = state_32; [L120] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L121] SORT_5 var_57_arg_0 = state_34; [L122] SORT_1 var_57_arg_1 = var_56; [L123] SORT_1 var_57_arg_2 = var_55; [L124] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L125] SORT_5 var_59_arg_0 = var_58; [L126] SORT_1 var_59_arg_1 = var_9; [L127] SORT_1 var_59_arg_2 = var_57; [L128] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L129] var_59 = var_59 & mask_SORT_1 [L130] SORT_1 next_60_arg_1 = var_59; [L131] SORT_5 var_61_arg_0 = var_58; [L132] SORT_1 var_61_arg_1 = var_9; [L133] SORT_1 var_61_arg_2 = input_2; [L134] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L135] SORT_1 next_62_arg_1 = var_61; [L136] SORT_5 var_63_arg_0 = var_58; [L137] SORT_1 var_63_arg_1 = var_9; [L138] SORT_1 var_63_arg_2 = input_3; [L139] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L140] SORT_1 next_64_arg_1 = var_63; [L141] SORT_5 var_65_arg_0 = var_58; [L142] SORT_1 var_65_arg_1 = var_9; [L143] SORT_1 var_65_arg_2 = input_4; [L144] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L145] SORT_1 next_66_arg_1 = var_65; [L146] SORT_5 var_67_arg_0 = var_58; [L147] SORT_5 var_67_arg_1 = var_29; [L148] SORT_5 var_67_arg_2 = input_7; [L149] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L150] SORT_5 next_68_arg_1 = var_67; [L151] SORT_5 var_69_arg_0 = var_58; [L152] SORT_1 var_69_arg_1 = var_9; [L153] SORT_1 var_69_arg_2 = state_25; [L154] SORT_1 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L155] SORT_1 next_70_arg_1 = var_69; [L156] SORT_5 var_71_arg_0 = var_58; [L157] SORT_5 var_71_arg_1 = var_29; [L158] SORT_5 var_71_arg_2 = state_30; [L159] SORT_5 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L160] var_71 = var_71 & mask_SORT_5 [L161] SORT_5 next_72_arg_1 = var_71; [L162] SORT_1 var_76_arg_0 = state_21; [L163] SORT_1 var_76_arg_1 = var_75; [L164] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L165] var_76 = var_76 & mask_SORT_1 [L166] SORT_1 var_77_arg_0 = var_76; [L167] SORT_1 var_77_arg_1 = var_75; [L168] SORT_5 var_77 = var_77_arg_0 == var_77_arg_1; [L169] SORT_1 var_74_arg_0 = state_21; [L170] SORT_1 var_74_arg_1 = state_23; [L171] SORT_1 var_74 = var_74_arg_0 + var_74_arg_1; [L172] SORT_1 var_73_arg_0 = state_21; [L173] SORT_1 var_73_arg_1 = state_23; [L174] SORT_1 var_73 = var_73_arg_0 - var_73_arg_1; [L175] SORT_5 var_78_arg_0 = var_77; [L176] SORT_1 var_78_arg_1 = var_74; [L177] SORT_1 var_78_arg_2 = var_73; [L178] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L179] SORT_5 var_79_arg_0 = var_58; [L180] SORT_1 var_79_arg_1 = var_9; [L181] SORT_1 var_79_arg_2 = var_78; [L182] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L183] SORT_1 next_80_arg_1 = var_79; [L184] SORT_1 var_45_arg_0 = input_2; [L185] SORT_5 var_45 = var_45_arg_0 >> 0; [L186] var_45 = var_45 & mask_SORT_5 [L187] SORT_1 var_44_arg_0 = input_2; [L188] SORT_1 var_44_arg_1 = input_3; [L189] SORT_1 var_44 = var_44_arg_0 + var_44_arg_1; [L190] SORT_1 var_43_arg_0 = input_2; [L191] SORT_1 var_43_arg_1 = input_3; [L192] SORT_1 var_43 = var_43_arg_0 - var_43_arg_1; [L193] SORT_5 var_46_arg_0 = var_45; [L194] SORT_1 var_46_arg_1 = var_44; [L195] SORT_1 var_46_arg_2 = var_43; [L196] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L197] SORT_1 var_48_arg_0 = var_46; [L198] SORT_1 var_48_arg_1 = input_4; [L199] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L200] SORT_1 var_47_arg_0 = var_46; [L201] SORT_1 var_47_arg_1 = input_4; [L202] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L203] SORT_5 var_49_arg_0 = input_7; [L204] SORT_1 var_49_arg_1 = var_48; [L205] SORT_1 var_49_arg_2 = var_47; [L206] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L207] SORT_5 var_81_arg_0 = var_52; [L208] SORT_1 var_81_arg_1 = var_9; [L209] SORT_1 var_81_arg_2 = var_49; [L210] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L211] SORT_1 next_82_arg_1 = var_81; [L212] SORT_5 var_83_arg_0 = var_52; [L213] SORT_1 var_83_arg_1 = var_9; [L214] SORT_1 var_83_arg_2 = state_39; [L215] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L216] SORT_1 next_84_arg_1 = var_83; [L218] state_10 = next_54_arg_1 [L219] state_12 = next_60_arg_1 [L220] state_21 = next_62_arg_1 [L221] state_23 = next_64_arg_1 [L222] state_25 = next_66_arg_1 [L223] state_30 = next_68_arg_1 [L224] state_32 = next_70_arg_1 [L225] state_34 = next_72_arg_1 [L226] state_36 = next_80_arg_1 [L227] state_39 = next_82_arg_1 [L228] state_41 = next_84_arg_1 VAL [bad_20_arg_0=0, init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, input_2=0, input_27=6, input_3=0, input_4=0, input_6=7, input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_5=1, next_54_arg_1=128, next_60_arg_1=0, next_62_arg_1=0, next_64_arg_1=0, next_66_arg_1=0, next_68_arg_1=0, next_70_arg_1=0, next_72_arg_1=0, next_80_arg_1=0, next_82_arg_1=0, next_84_arg_1=0, state_10=128, state_12=0, state_21=0, state_23=0, state_25=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, var_14=1, var_14_arg_0=0, var_14_arg_1=0, var_17=1, var_18=254, var_18_arg_0=1, var_19=0, var_19_arg_0=1, var_19_arg_1=254, var_29=0, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_44=0, var_44_arg_0=0, var_44_arg_1=0, var_45=0, var_45_arg_0=0, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_46_arg_2=0, var_47=0, var_47_arg_0=0, var_47_arg_1=0, var_48=0, var_48_arg_0=0, var_48_arg_1=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=0, var_52=0, var_52_arg_0=0, var_52_arg_1=1, var_53=128, var_53_arg_0=0, var_53_arg_1=0, var_53_arg_2=128, var_55=0, var_55_arg_0=64, var_55_arg_1=64, var_56=0, var_56_arg_0=64, var_56_arg_1=64, var_57=0, var_57_arg_0=1, var_57_arg_1=0, var_57_arg_2=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_59_arg_2=0, var_61=0, var_61_arg_0=0, var_61_arg_1=0, var_61_arg_2=0, var_63=0, var_63_arg_0=0, var_63_arg_1=0, var_63_arg_2=0, var_65=0, var_65_arg_0=0, var_65_arg_1=0, var_65_arg_2=0, var_67=0, var_67_arg_0=0, var_67_arg_1=0, var_67_arg_2=0, var_69=0, var_69_arg_0=0, var_69_arg_1=0, var_69_arg_2=0, var_71=0, var_71_arg_0=0, var_71_arg_1=0, var_71_arg_2=0, var_73=0, var_73_arg_0=0, var_73_arg_1=0, var_74=0, var_74_arg_0=0, var_74_arg_1=0, var_75=1, var_76=0, var_76_arg_0=0, var_76_arg_1=1, var_77=0, var_77_arg_0=0, var_77_arg_1=1, var_78=0, var_78_arg_0=0, var_78_arg_1=0, var_78_arg_2=0, var_79=0, var_79_arg_0=0, var_79_arg_1=0, var_79_arg_2=0, var_81=0, var_81_arg_0=0, var_81_arg_1=0, var_81_arg_2=0, var_83=0, var_83_arg_0=0, var_83_arg_1=0, var_83_arg_2=0, var_9=0] [L80] input_2 = __VERIFIER_nondet_uchar() [L81] input_3 = __VERIFIER_nondet_uchar() [L82] input_4 = __VERIFIER_nondet_uchar() [L83] input_6 = __VERIFIER_nondet_uchar() [L84] input_7 = __VERIFIER_nondet_uchar() [L85] input_7 = input_7 & mask_SORT_5 [L86] input_8 = __VERIFIER_nondet_uchar() [L87] input_8 = input_8 & mask_SORT_5 [L88] input_27 = __VERIFIER_nondet_uchar() [L91] SORT_1 var_14_arg_0 = state_10; [L92] SORT_1 var_14_arg_1 = state_12; [L93] SORT_5 var_14 = var_14_arg_0 == var_14_arg_1; [L94] SORT_5 var_18_arg_0 = var_14; [L95] SORT_5 var_18 = ~var_18_arg_0; [L96] SORT_5 var_19_arg_0 = var_17; [L97] SORT_5 var_19_arg_1 = var_18; [L98] SORT_5 var_19 = var_19_arg_0 & var_19_arg_1; [L99] var_19 = var_19 & mask_SORT_5 [L100] SORT_5 bad_20_arg_0 = var_19; [L101] CALL __VERIFIER_assert(!(bad_20_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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.2s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 63 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 32 IncrementalHoareTripleChecker+Unchecked, 47 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 16 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 23, 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, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 10.4s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 38 ConstructedInterpolants, 15 QuantifiedInterpolants, 2084 SizeOfPredicates, 143 NumberOfNonLiveVariables, 576 ConjunctsInSsa, 149 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 0/18 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 proved your program to be incorrect! [2022-11-16 12:33:57,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d79bded9-19bb-42d9-b71b-4f1f29386fb0/bin/uautomizer-tPACEb0tL8/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE