./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/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_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/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_9b34b9b8-0cce-449d-bd40-9685c863cc88/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 fd75bcebc98f315434e420a9b6dbe2ed83133440f297ff21f4c610e663347332 --- 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 11:58:07,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:58:07,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:58:07,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:58:07,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:58:07,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:58:07,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:58:07,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:58:07,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:58:07,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:58:07,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:58:07,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:58:07,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:58:07,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:58:07,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:58:07,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:58:07,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:58:07,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:58:07,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:58:07,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:58:07,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:58:07,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:58:07,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:58:07,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:58:07,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:58:07,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:58:07,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:58:07,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:58:07,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:58:07,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:58:07,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:58:07,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:58:07,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:58:07,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:58:07,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:58:07,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:58:07,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:58:07,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:58:07,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:58:07,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:58:07,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:58:07,265 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:58:07,314 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:58:07,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:58:07,316 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:58:07,316 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:58:07,318 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:58:07,318 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:58:07,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:58:07,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:58:07,319 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:58:07,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:58:07,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:58:07,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:58:07,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:58:07,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:58:07,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:58:07,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:58:07,322 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:58:07,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:58:07,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:58:07,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:58:07,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:58:07,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:58:07,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:58:07,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:58:07,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:58:07,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:58:07,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:58:07,324 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:58:07,325 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:58:07,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:58:07,325 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_9b34b9b8-0cce-449d-bd40-9685c863cc88/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd75bcebc98f315434e420a9b6dbe2ed83133440f297ff21f4c610e663347332 [2022-11-16 11:58:07,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:58:07,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:58:07,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:58:07,664 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:58:07,665 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:58:07,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c [2022-11-16 11:58:07,752 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/data/400df6aac/18cce764040d44c1b50618ff5ccc43cc/FLAG0fde9296f [2022-11-16 11:58:08,277 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:58:08,278 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c [2022-11-16 11:58:08,287 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/data/400df6aac/18cce764040d44c1b50618ff5ccc43cc/FLAG0fde9296f [2022-11-16 11:58:08,636 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/data/400df6aac/18cce764040d44c1b50618ff5ccc43cc [2022-11-16 11:58:08,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:58:08,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:58:08,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:58:08,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:58:08,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:58:08,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:58:08" (1/1) ... [2022-11-16 11:58:08,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bcb0e98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:08, skipping insertion in model container [2022-11-16 11:58:08,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:58:08" (1/1) ... [2022-11-16 11:58:08,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:58:08,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:58:08,905 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_9b34b9b8-0cce-449d-bd40-9685c863cc88/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c[1107,1120] [2022-11-16 11:58:08,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:58:08,948 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:58:08,957 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_9b34b9b8-0cce-449d-bd40-9685c863cc88/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c[1107,1120] [2022-11-16 11:58:08,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:58:08,993 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:58:08,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:08 WrapperNode [2022-11-16 11:58:08,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:58:08,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:58:08,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:58:08,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:58:09,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:08" (1/1) ... [2022-11-16 11:58:09,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:08" (1/1) ... [2022-11-16 11:58:09,059 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 144 [2022-11-16 11:58:09,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:58:09,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:58:09,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:58:09,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:58:09,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:08" (1/1) ... [2022-11-16 11:58:09,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:08" (1/1) ... [2022-11-16 11:58:09,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:08" (1/1) ... [2022-11-16 11:58:09,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:08" (1/1) ... [2022-11-16 11:58:09,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:08" (1/1) ... [2022-11-16 11:58:09,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:08" (1/1) ... [2022-11-16 11:58:09,124 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:08" (1/1) ... [2022-11-16 11:58:09,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:08" (1/1) ... [2022-11-16 11:58:09,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:58:09,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:58:09,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:58:09,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:58:09,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:08" (1/1) ... [2022-11-16 11:58:09,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:58:09,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:58:09,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:58:09,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:58:09,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:58:09,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:58:09,351 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:58:09,353 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:58:09,671 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:58:09,680 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:58:09,680 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:58:09,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:58:09 BoogieIcfgContainer [2022-11-16 11:58:09,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:58:09,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:58:09,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:58:09,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:58:09,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:58:08" (1/3) ... [2022-11-16 11:58:09,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d12c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:58:09, skipping insertion in model container [2022-11-16 11:58:09,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:08" (2/3) ... [2022-11-16 11:58:09,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d12c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:58:09, skipping insertion in model container [2022-11-16 11:58:09,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:58:09" (3/3) ... [2022-11-16 11:58:09,709 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_b04.c [2022-11-16 11:58:09,731 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:58:09,731 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:58:09,796 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:58:09,805 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;@339c1d88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:58:09,805 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:58:09,810 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 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 11:58:09,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 11:58:09,819 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:58:09,820 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:58:09,821 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:58:09,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:58:09,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1178400828, now seen corresponding path program 1 times [2022-11-16 11:58:09,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:58:09,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177084562] [2022-11-16 11:58:09,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:58:09,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:58:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:10,661 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 11:58:10,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:58:10,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177084562] [2022-11-16 11:58:10,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177084562] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:58:10,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:58:10,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:58:10,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297511707] [2022-11-16 11:58:10,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:58:10,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:58:10,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:58:10,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:58:10,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:58:10,726 INFO L87 Difference]: Start difference. First operand has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 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 11:58:10,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:58:10,867 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2022-11-16 11:58:10,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:58:10,871 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 11:58:10,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:58:10,884 INFO L225 Difference]: With dead ends: 64 [2022-11-16 11:58:10,884 INFO L226 Difference]: Without dead ends: 43 [2022-11-16 11:58:10,888 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 11:58:10,894 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 57 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:58:10,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 88 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:58:10,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-16 11:58:10,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 21. [2022-11-16 11:58:10,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.45) internal successors, (29), 20 states have internal predecessors, (29), 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 11:58:10,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 29 transitions. [2022-11-16 11:58:10,955 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 29 transitions. Word has length 11 [2022-11-16 11:58:10,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:58:10,956 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 29 transitions. [2022-11-16 11:58:10,957 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 11:58:10,958 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-11-16 11:58:10,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 11:58:10,959 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:58:10,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:58:10,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:58:10,960 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:58:10,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:58:10,961 INFO L85 PathProgramCache]: Analyzing trace with hash 2126004980, now seen corresponding path program 1 times [2022-11-16 11:58:10,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:58:10,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324192334] [2022-11-16 11:58:10,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:58:10,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:58:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:58:11,070 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:58:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:58:11,213 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:58:11,213 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:58:11,216 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:58:11,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:58:11,223 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-16 11:58:11,227 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:58:11,258 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 11:58:11,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:58:11 BoogieIcfgContainer [2022-11-16 11:58:11,269 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:58:11,270 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:58:11,270 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:58:11,271 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:58:11,271 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:58:09" (3/4) ... [2022-11-16 11:58:11,275 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:58:11,275 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:58:11,276 INFO L158 Benchmark]: Toolchain (without parser) took 2635.60ms. Allocated memory is still 132.1MB. Free memory was 95.5MB in the beginning and 99.5MB in the end (delta: -4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:58:11,277 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 132.1MB. Free memory was 102.5MB in the beginning and 102.5MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:58:11,278 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.17ms. Allocated memory is still 132.1MB. Free memory was 95.3MB in the beginning and 105.1MB in the end (delta: -9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:58:11,278 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.43ms. Allocated memory is still 132.1MB. Free memory was 105.1MB in the beginning and 103.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:58:11,279 INFO L158 Benchmark]: Boogie Preprocessor took 61.13ms. Allocated memory is still 132.1MB. Free memory was 103.1MB in the beginning and 101.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:58:11,280 INFO L158 Benchmark]: RCFGBuilder took 559.54ms. Allocated memory is still 132.1MB. Free memory was 101.6MB in the beginning and 87.4MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:58:11,280 INFO L158 Benchmark]: TraceAbstraction took 1577.34ms. Allocated memory is still 132.1MB. Free memory was 86.9MB in the beginning and 99.5MB in the end (delta: -12.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:58:11,281 INFO L158 Benchmark]: Witness Printer took 5.43ms. Allocated memory is still 132.1MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:58:11,284 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 132.1MB. Free memory was 102.5MB in the beginning and 102.5MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.17ms. Allocated memory is still 132.1MB. Free memory was 95.3MB in the beginning and 105.1MB in the end (delta: -9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.43ms. Allocated memory is still 132.1MB. Free memory was 105.1MB in the beginning and 103.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.13ms. Allocated memory is still 132.1MB. Free memory was 103.1MB in the beginning and 101.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 559.54ms. Allocated memory is still 132.1MB. Free memory was 101.6MB in the beginning and 87.4MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1577.34ms. Allocated memory is still 132.1MB. Free memory was 86.9MB in the beginning and 99.5MB in the end (delta: -12.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.43ms. Allocated memory is still 132.1MB. Free memory is still 99.5MB. 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 98, overapproximation of bitwiseOr at line 96, overapproximation of bitwiseAnd at line 101. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 8); [L29] const SORT_4 msb_SORT_4 = (SORT_4)1 << (8 - 1); [L31] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 32); [L32] const SORT_12 msb_SORT_12 = (SORT_12)1 << (32 - 1); [L34] const SORT_4 var_8 = 0; [L35] const SORT_12 var_14 = 1; [L36] const SORT_1 var_25 = 1; [L37] const SORT_1 var_42 = 0; [L39] SORT_1 input_2; [L40] SORT_1 input_3; [L41] SORT_4 input_5; [L42] SORT_1 input_6; [L43] SORT_1 input_7; [L44] SORT_4 input_29; [L45] SORT_4 input_31; [L46] SORT_4 input_33; [L47] SORT_4 input_35; [L48] SORT_4 input_37; [L49] SORT_4 input_39; [L51] SORT_4 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L52] SORT_4 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L53] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] SORT_4 init_10_arg_1 = var_8; [L56] state_9 = init_10_arg_1 [L57] SORT_4 init_18_arg_1 = var_8; [L58] state_17 = init_18_arg_1 [L59] SORT_1 init_44_arg_1 = var_42; [L60] state_43 = init_44_arg_1 VAL [init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_1=1, mask_SORT_12=4294967295, mask_SORT_4=255, msb_SORT_1=1, msb_SORT_12=2147483648, msb_SORT_4=128, state_17=0, state_43=0, state_9=0, var_14=1, var_25=1, var_42=0, var_8=0] [L63] input_2 = __VERIFIER_nondet_uchar() [L64] input_3 = __VERIFIER_nondet_uchar() [L65] input_5 = __VERIFIER_nondet_uchar() [L66] input_6 = __VERIFIER_nondet_uchar() [L67] input_7 = __VERIFIER_nondet_uchar() [L68] input_29 = __VERIFIER_nondet_uchar() [L69] input_31 = __VERIFIER_nondet_uchar() [L70] input_33 = __VERIFIER_nondet_uchar() [L71] input_35 = __VERIFIER_nondet_uchar() [L72] input_37 = __VERIFIER_nondet_uchar() [L73] input_39 = __VERIFIER_nondet_uchar() [L76] SORT_4 var_11_arg_0 = state_9; [L77] SORT_1 var_11 = var_11_arg_0 >> 7; [L78] SORT_1 var_13_arg_0 = var_11; VAL [init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, input_2=10, input_29=11, input_3=5, input_31=1, input_33=9, input_35=7, input_37=3, input_39=8, input_5=6, input_6=4, input_7=2, mask_SORT_1=1, mask_SORT_12=4294967295, mask_SORT_4=255, msb_SORT_1=1, msb_SORT_12=2147483648, msb_SORT_4=128, state_17=0, state_43=0, state_9=0, var_11=0, var_11_arg_0=0, var_13_arg_0=0, var_14=1, var_25=1, var_42=0, var_8=0] [L79] var_13_arg_0 = var_13_arg_0 & mask_SORT_1 VAL [init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, input_2=10, input_29=11, input_3=5, input_31=1, input_33=9, input_35=7, input_37=3, input_39=8, input_5=6, input_6=4, input_7=2, mask_SORT_1=1, mask_SORT_12=4294967295, mask_SORT_4=255, msb_SORT_1=1, msb_SORT_12=2147483648, msb_SORT_4=128, state_17=0, state_43=0, state_9=0, var_11=0, var_11_arg_0=0, var_13_arg_0=0, var_14=1, var_25=1, var_42=0, var_8=0] [L80] SORT_12 var_13 = var_13_arg_0; [L81] SORT_12 var_15_arg_0 = var_13; [L82] SORT_12 var_15_arg_1 = var_14; [L83] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L84] SORT_1 var_16_arg_0 = var_15; [L85] SORT_1 var_16 = ~var_16_arg_0; [L86] SORT_4 var_19_arg_0 = state_17; [L87] SORT_1 var_19 = var_19_arg_0 >> 7; [L88] SORT_1 var_20_arg_0 = var_19; VAL [init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, input_2=10, input_29=11, input_3=5, input_31=1, input_33=9, input_35=7, input_37=3, input_39=8, input_5=6, input_6=4, input_7=2, mask_SORT_1=1, mask_SORT_12=4294967295, mask_SORT_4=255, msb_SORT_1=1, msb_SORT_12=2147483648, msb_SORT_4=128, state_17=0, state_43=0, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20_arg_0=0, var_25=1, var_42=0, var_8=0] [L89] var_20_arg_0 = var_20_arg_0 & mask_SORT_1 VAL [init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, input_2=10, input_29=11, input_3=5, input_31=1, input_33=9, input_35=7, input_37=3, input_39=8, input_5=6, input_6=4, input_7=2, mask_SORT_1=1, mask_SORT_12=4294967295, mask_SORT_4=255, msb_SORT_1=1, msb_SORT_12=2147483648, msb_SORT_4=128, state_17=0, state_43=0, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20_arg_0=0, var_25=1, var_42=0, var_8=0] [L90] SORT_12 var_20 = var_20_arg_0; [L91] SORT_12 var_21_arg_0 = var_20; [L92] SORT_12 var_21_arg_1 = var_14; [L93] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L94] SORT_1 var_22_arg_0 = var_16; [L95] SORT_1 var_22_arg_1 = var_21; [L96] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L97] SORT_1 var_26_arg_0 = var_22; [L98] SORT_1 var_26 = ~var_26_arg_0; [L99] SORT_1 var_27_arg_0 = var_25; [L100] SORT_1 var_27_arg_1 = var_26; [L101] SORT_1 var_27 = var_27_arg_0 & var_27_arg_1; VAL [init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, input_2=10, input_29=11, input_3=5, input_31=1, input_33=9, input_35=7, input_37=3, input_39=8, input_5=6, input_6=4, input_7=2, mask_SORT_1=1, mask_SORT_12=4294967295, mask_SORT_4=255, msb_SORT_1=1, msb_SORT_12=2147483648, msb_SORT_4=128, state_17=0, state_43=0, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=0, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_25=1, var_26=2, var_26_arg_0=0, var_27=1, var_27_arg_0=1, var_27_arg_1=2, var_42=0, var_8=0] [L102] var_27 = var_27 & mask_SORT_1 VAL [init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, input_2=10, input_29=11, input_3=5, input_31=1, input_33=9, input_35=7, input_37=3, input_39=8, input_5=6, input_6=4, input_7=2, mask_SORT_1=1, mask_SORT_12=4294967295, mask_SORT_4=255, msb_SORT_1=1, msb_SORT_12=2147483648, msb_SORT_4=128, state_17=0, state_43=0, state_9=0, var_11=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=1, var_15=0, var_15_arg_0=0, var_15_arg_1=1, var_16=0, var_16_arg_0=0, var_19=0, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_21=0, var_21_arg_0=0, var_21_arg_1=1, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_25=1, var_26=2, var_26_arg_0=0, var_27=1, var_27_arg_0=1, var_27_arg_1=2, var_42=0, var_8=0] [L103] SORT_1 bad_28_arg_0 = var_27; [L104] CALL __VERIFIER_assert(!(bad_28_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, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 88 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 48 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 40 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=23occurred 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, 22 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s 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 11:58:11,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/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_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/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_9b34b9b8-0cce-449d-bd40-9685c863cc88/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 fd75bcebc98f315434e420a9b6dbe2ed83133440f297ff21f4c610e663347332 --- 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 11:58:13,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:58:13,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:58:13,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:58:13,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:58:13,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:58:13,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:58:13,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:58:13,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:58:13,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:58:13,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:58:13,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:58:13,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:58:13,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:58:13,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:58:13,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:58:13,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:58:13,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:58:13,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:58:13,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:58:13,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:58:13,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:58:13,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:58:13,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:58:13,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:58:13,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:58:13,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:58:13,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:58:13,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:58:13,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:58:13,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:58:13,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:58:13,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:58:13,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:58:13,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:58:13,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:58:13,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:58:13,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:58:13,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:58:13,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:58:13,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:58:13,806 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-16 11:58:13,845 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:58:13,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:58:13,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:58:13,846 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:58:13,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:58:13,847 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:58:13,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:58:13,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:58:13,848 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:58:13,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:58:13,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:58:13,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:58:13,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:58:13,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:58:13,850 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:58:13,850 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:58:13,850 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:58:13,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:58:13,851 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:58:13,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:58:13,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:58:13,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:58:13,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:58:13,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:58:13,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:58:13,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:58:13,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:58:13,853 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:58:13,853 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:58:13,853 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:58:13,853 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:58:13,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:58:13,854 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:58:13,854 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_9b34b9b8-0cce-449d-bd40-9685c863cc88/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd75bcebc98f315434e420a9b6dbe2ed83133440f297ff21f4c610e663347332 [2022-11-16 11:58:14,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:58:14,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:58:14,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:58:14,322 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:58:14,324 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:58:14,325 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c [2022-11-16 11:58:14,428 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/data/5eb679f1e/0157fd535052482da4031e96dedcaed9/FLAG62060a585 [2022-11-16 11:58:15,082 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:58:15,083 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c [2022-11-16 11:58:15,091 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/data/5eb679f1e/0157fd535052482da4031e96dedcaed9/FLAG62060a585 [2022-11-16 11:58:15,428 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/data/5eb679f1e/0157fd535052482da4031e96dedcaed9 [2022-11-16 11:58:15,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:58:15,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:58:15,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:58:15,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:58:15,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:58:15,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:58:15" (1/1) ... [2022-11-16 11:58:15,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ede1dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:15, skipping insertion in model container [2022-11-16 11:58:15,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:58:15" (1/1) ... [2022-11-16 11:58:15,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:58:15,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:58:15,619 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_9b34b9b8-0cce-449d-bd40-9685c863cc88/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c[1107,1120] [2022-11-16 11:58:15,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:58:15,682 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:58:15,696 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_9b34b9b8-0cce-449d-bd40-9685c863cc88/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c[1107,1120] [2022-11-16 11:58:15,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:58:15,754 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:58:15,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:15 WrapperNode [2022-11-16 11:58:15,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:58:15,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:58:15,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:58:15,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:58:15,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:15" (1/1) ... [2022-11-16 11:58:15,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:15" (1/1) ... [2022-11-16 11:58:15,838 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2022-11-16 11:58:15,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:58:15,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:58:15,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:58:15,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:58:15,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:15" (1/1) ... [2022-11-16 11:58:15,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:15" (1/1) ... [2022-11-16 11:58:15,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:15" (1/1) ... [2022-11-16 11:58:15,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:15" (1/1) ... [2022-11-16 11:58:15,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:15" (1/1) ... [2022-11-16 11:58:15,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:15" (1/1) ... [2022-11-16 11:58:15,892 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:15" (1/1) ... [2022-11-16 11:58:15,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:15" (1/1) ... [2022-11-16 11:58:15,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:58:15,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:58:15,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:58:15,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:58:15,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:15" (1/1) ... [2022-11-16 11:58:15,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:58:15,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:58:15,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:58:15,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:58:16,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:58:16,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:58:16,126 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:58:16,128 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:58:16,329 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:58:16,336 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:58:16,336 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:58:16,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:58:16 BoogieIcfgContainer [2022-11-16 11:58:16,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:58:16,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:58:16,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:58:16,344 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:58:16,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:58:15" (1/3) ... [2022-11-16 11:58:16,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13fc26d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:58:16, skipping insertion in model container [2022-11-16 11:58:16,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:58:15" (2/3) ... [2022-11-16 11:58:16,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13fc26d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:58:16, skipping insertion in model container [2022-11-16 11:58:16,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:58:16" (3/3) ... [2022-11-16 11:58:16,348 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_b04.c [2022-11-16 11:58:16,366 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:58:16,367 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:58:16,417 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:58:16,424 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;@51e85b0a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:58:16,424 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:58:16,429 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 11:58:16,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 11:58:16,435 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:58:16,436 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 11:58:16,436 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:58:16,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:58:16,443 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-16 11:58:16,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:58:16,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1117947010] [2022-11-16 11:58:16,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:58:16,457 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 11:58:16,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:58:16,463 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/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 11:58:16,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/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 11:58:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:16,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-16 11:58:16,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:58:16,951 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 11:58:16,952 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:58:16,954 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:58:16,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1117947010] [2022-11-16 11:58:16,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1117947010] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:58:16,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:58:16,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:58:16,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090199715] [2022-11-16 11:58:16,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:58:16,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:58:16,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:58:17,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:58:17,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:58:17,013 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 11:58:17,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:58:17,113 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-16 11:58:17,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:58:17,117 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 11:58:17,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:58:17,126 INFO L225 Difference]: With dead ends: 20 [2022-11-16 11:58:17,127 INFO L226 Difference]: Without dead ends: 11 [2022-11-16 11:58:17,130 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 11:58:17,134 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:58:17,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:58:17,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-16 11:58:17,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-16 11:58:17,184 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 11:58:17,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-16 11:58:17,186 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-16 11:58:17,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:58:17,187 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-16 11:58:17,187 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 11:58:17,187 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-16 11:58:17,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 11:58:17,188 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:58:17,189 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-16 11:58:17,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/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)] Forceful destruction successful, exit code 0 [2022-11-16 11:58:17,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/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 11:58:17,403 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:58:17,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:58:17,404 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-16 11:58:17,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:58:17,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1321559639] [2022-11-16 11:58:17,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:58:17,406 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 11:58:17,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:58:17,413 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/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 11:58:17,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/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 11:58:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:58:17,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-16 11:58:17,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:58:17,869 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 11:58:17,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:58:18,358 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 11:58:18,358 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:58:18,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1321559639] [2022-11-16 11:58:18,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1321559639] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:58:18,360 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:58:18,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-16 11:58:18,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133424894] [2022-11-16 11:58:18,366 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:58:18,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:58:18,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:58:18,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:58:18,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:58:18,372 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:58:18,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:58:18,472 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-16 11:58:18,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:58:18,473 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-16 11:58:18,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:58:18,474 INFO L225 Difference]: With dead ends: 16 [2022-11-16 11:58:18,474 INFO L226 Difference]: Without dead ends: 14 [2022-11-16 11:58:18,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:58:18,480 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 7 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:58:18,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 15 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 7 Unchecked, 0.0s Time] [2022-11-16 11:58:18,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-16 11:58:18,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-16 11:58:18,498 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 11:58:18,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-16 11:58:18,499 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-16 11:58:18,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:58:18,503 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-16 11:58:18,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:58:18,504 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-16 11:58:18,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 11:58:18,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:58:18,511 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-16 11:58:18,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/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 11:58:18,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/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 11:58:18,735 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:58:18,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:58:18,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-16 11:58:18,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:58:18,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1428845474] [2022-11-16 11:58:18,748 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:58:18,749 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 11:58:18,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:58:18,751 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/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 11:58:18,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/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 11:58:18,914 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 11:58:18,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:58:18,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-16 11:58:18,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:58:19,317 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 11:58:19,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:58:19,872 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 11:58:19,873 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:58:19,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1428845474] [2022-11-16 11:58:19,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1428845474] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:58:19,874 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:58:19,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-16 11:58:19,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069346896] [2022-11-16 11:58:19,874 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:58:19,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 11:58:19,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:58:19,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 11:58:19,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:58:19,877 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:58:20,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:58:20,110 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-16 11:58:20,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:58:20,111 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-16 11:58:20,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:58:20,111 INFO L225 Difference]: With dead ends: 19 [2022-11-16 11:58:20,112 INFO L226 Difference]: Without dead ends: 17 [2022-11-16 11:58:20,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-11-16 11:58:20,113 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 11 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:58:20,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 30 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 21 Unchecked, 0.1s Time] [2022-11-16 11:58:20,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-16 11:58:20,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-16 11:58:20,119 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 11:58:20,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-16 11:58:20,120 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-16 11:58:20,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:58:20,121 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-16 11:58:20,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:58:20,121 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-16 11:58:20,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 11:58:20,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:58:20,122 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-16 11:58:20,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/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 11:58:20,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/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 11:58:20,335 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:58:20,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:58:20,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-16 11:58:20,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:58:20,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [520097773] [2022-11-16 11:58:20,337 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 11:58:20,337 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 11:58:20,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:58:20,341 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/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 11:58:20,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/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 11:58:20,456 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-16 11:58:20,456 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:58:20,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 57 conjunts are in the unsatisfiable core [2022-11-16 11:58:20,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:58:21,084 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:58:21,084 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:58:21,578 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:58:21,578 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:58:21,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [520097773] [2022-11-16 11:58:21,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [520097773] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:58:21,579 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:58:21,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-16 11:58:21,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148047411] [2022-11-16 11:58:21,580 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:58:21,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 11:58:21,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:58:21,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 11:58:21,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:58:21,582 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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 11:58:21,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:58:21,802 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-11-16 11:58:21,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:58:21,803 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-16 11:58:21,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:58:21,804 INFO L225 Difference]: With dead ends: 15 [2022-11-16 11:58:21,804 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:58:21,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2022-11-16 11:58:21,806 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:58:21,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 6 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3 Invalid, 0 Unknown, 10 Unchecked, 0.0s Time] [2022-11-16 11:58:21,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:58:21,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:58:21,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:58:21,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:58:21,808 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-11-16 11:58:21,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:58:21,809 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:58:21,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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 11:58:21,809 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:58:21,809 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:58:21,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:58:21,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/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 11:58:22,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/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 11:58:22,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 11:58:22,263 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:58:22,263 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 11:58:22,264 INFO L895 garLoopResultBuilder]: At program point L127(lines 22 128) the Hoare annotation is: false [2022-11-16 11:58:22,264 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 11:58:22,264 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:58:22,265 INFO L895 garLoopResultBuilder]: At program point L61-2(lines 61 126) the Hoare annotation is: (let ((.cse0 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse4 (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) (.cse1 (= |ULTIMATE.start_main_~state_9~0#1| (_ bv0 8))) (.cse2 (= (_ bv1 8) |ULTIMATE.start_main_~var_25~0#1|)) (.cse5 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse3 (= |ULTIMATE.start_main_~var_14~0#1| (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 (= (_ bv0 8) |ULTIMATE.start_main_~state_43~0#1|) .cse3) (and .cse0 .cse4 .cse2 .cse3 (exists ((|ULTIMATE.start_main_~var_49_arg_1~0#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_49_arg_1~0#1|))) .cse5)) |ULTIMATE.start_main_~state_43~0#1|)) (exists ((v_subst_1 (_ BitVec 8))) (let ((.cse6 ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) v_subst_1)))))) (and (= .cse6 |ULTIMATE.start_main_~state_9~0#1|) (= .cse6 |ULTIMATE.start_main_~state_17~0#1|))))) (and .cse0 .cse4 .cse1 .cse2 (= ((_ extract 7 0) (bvand (_ bv1 32) .cse5)) |ULTIMATE.start_main_~state_43~0#1|) .cse3))) [2022-11-16 11:58:22,265 INFO L899 garLoopResultBuilder]: For program point L61-3(lines 61 126) no Hoare annotation was computed. [2022-11-16 11:58:22,266 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-16 11:58:22,266 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-16 11:58:22,266 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-16 11:58:22,266 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-16 11:58:22,271 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1] [2022-11-16 11:58:22,274 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:58:22,284 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_49_arg_1~0#1,QUANTIFIED] [2022-11-16 11:58:22,285 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_subst_1,QUANTIFIED] [2022-11-16 11:58:22,285 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_subst_1,QUANTIFIED] [2022-11-16 11:58:22,291 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_49_arg_1~0#1,QUANTIFIED] [2022-11-16 11:58:22,292 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_subst_1,QUANTIFIED] [2022-11-16 11:58:22,292 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_subst_1,QUANTIFIED] [2022-11-16 11:58:22,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:58:22 BoogieIcfgContainer [2022-11-16 11:58:22,294 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:58:22,295 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:58:22,295 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:58:22,295 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:58:22,296 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:58:16" (3/4) ... [2022-11-16 11:58:22,300 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:58:22,313 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-16 11:58:22,313 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 11:58:22,314 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:58:22,345 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv8 == mask_SORT_1 && state_9 == 0bv8) && 1bv8 == var_25) && 0bv8 == state_43) && var_14 == 1bv32) || (((((1bv8 == mask_SORT_1 && cond == 1bv32) && 1bv8 == var_25) && var_14 == 1bv32) && (\exists ULTIMATE.start_main_~var_49_arg_1~0#1 : bv8 :: ~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_49_arg_1~0#1)[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0] == state_43)) && (\exists v_subst_1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(v_subst_1)[7:0])[7:0] == state_9 && ~zero_extendFrom8To32(~zero_extendFrom8To32(v_subst_1)[7:0])[7:0] == state_17))) || (((((1bv8 == mask_SORT_1 && cond == 1bv32) && state_9 == 0bv8) && 1bv8 == var_25) && ~bvand32(1bv32, ~zero_extendFrom8To32(mask_SORT_1))[7:0] == state_43) && var_14 == 1bv32) [2022-11-16 11:58:22,366 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:58:22,366 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:58:22,367 INFO L158 Benchmark]: Toolchain (without parser) took 6933.35ms. Allocated memory was 75.5MB in the beginning and 113.2MB in the end (delta: 37.7MB). Free memory was 59.3MB in the beginning and 81.9MB in the end (delta: -22.5MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2022-11-16 11:58:22,368 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 75.5MB. Free memory is still 57.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:58:22,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.27ms. Allocated memory is still 75.5MB. Free memory was 59.1MB in the beginning and 59.3MB in the end (delta: -268.4kB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2022-11-16 11:58:22,369 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.69ms. Allocated memory is still 75.5MB. Free memory was 59.0MB in the beginning and 57.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:58:22,369 INFO L158 Benchmark]: Boogie Preprocessor took 61.03ms. Allocated memory is still 75.5MB. Free memory was 57.2MB in the beginning and 55.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:58:22,370 INFO L158 Benchmark]: RCFGBuilder took 435.08ms. Allocated memory is still 75.5MB. Free memory was 55.7MB in the beginning and 43.2MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:58:22,370 INFO L158 Benchmark]: TraceAbstraction took 5953.29ms. Allocated memory was 75.5MB in the beginning and 113.2MB in the end (delta: 37.7MB). Free memory was 42.3MB in the beginning and 85.0MB in the end (delta: -42.8MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2022-11-16 11:58:22,371 INFO L158 Benchmark]: Witness Printer took 71.93ms. Allocated memory is still 113.2MB. Free memory was 85.0MB in the beginning and 81.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:58:22,374 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 75.5MB. Free memory is still 57.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.27ms. Allocated memory is still 75.5MB. Free memory was 59.1MB in the beginning and 59.3MB in the end (delta: -268.4kB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.69ms. Allocated memory is still 75.5MB. Free memory was 59.0MB in the beginning and 57.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.03ms. Allocated memory is still 75.5MB. Free memory was 57.2MB in the beginning and 55.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 435.08ms. Allocated memory is still 75.5MB. Free memory was 55.7MB in the beginning and 43.2MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5953.29ms. Allocated memory was 75.5MB in the beginning and 113.2MB in the end (delta: 37.7MB). Free memory was 42.3MB in the beginning and 85.0MB in the end (delta: -42.8MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. * Witness Printer took 71.93ms. Allocated memory is still 113.2MB. Free memory was 85.0MB in the beginning and 81.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_49_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_subst_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_subst_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_49_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_subst_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_subst_1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 38 IncrementalHoareTripleChecker+Unchecked, 49 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 47 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 15 mSDtfsCounter, 47 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 81 HoareAnnotationTreeSize, 2 FomulaSimplifications, 66 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 108 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 64 ConstructedInterpolants, 21 QuantifiedInterpolants, 1332 SizeOfPredicates, 164 NumberOfNonLiveVariables, 521 ConjunctsInSsa, 161 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 7/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant [2022-11-16 11:58:22,385 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_49_arg_1~0#1,QUANTIFIED] [2022-11-16 11:58:22,386 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_subst_1,QUANTIFIED] [2022-11-16 11:58:22,386 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_subst_1,QUANTIFIED] [2022-11-16 11:58:22,387 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_49_arg_1~0#1,QUANTIFIED] [2022-11-16 11:58:22,387 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_subst_1,QUANTIFIED] [2022-11-16 11:58:22,388 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_subst_1,QUANTIFIED] Derived loop invariant: (((((1bv8 == mask_SORT_1 && state_9 == 0bv8) && 1bv8 == var_25) && 0bv8 == state_43) && var_14 == 1bv32) || (((((1bv8 == mask_SORT_1 && cond == 1bv32) && 1bv8 == var_25) && var_14 == 1bv32) && (\exists ULTIMATE.start_main_~var_49_arg_1~0#1 : bv8 :: ~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_49_arg_1~0#1)[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0] == state_43)) && (\exists v_subst_1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(v_subst_1)[7:0])[7:0] == state_9 && ~zero_extendFrom8To32(~zero_extendFrom8To32(v_subst_1)[7:0])[7:0] == state_17))) || (((((1bv8 == mask_SORT_1 && cond == 1bv32) && state_9 == 0bv8) && 1bv8 == var_25) && ~bvand32(1bv32, ~zero_extendFrom8To32(mask_SORT_1))[7:0] == state_43) && var_14 == 1bv32) RESULT: Ultimate proved your program to be correct! [2022-11-16 11:58:22,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b34b9b8-0cce-449d-bd40-9685c863cc88/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 Result: TRUE