./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.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_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/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_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/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_996c6a62-556a-4d29-a02d-4a68f96aec8f/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 d0ce254525a5f0c5246a4d34711d856c964858631aa6fd3bcbe4f5fc7129e7e0 --- 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 11:12:05,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:12:05,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:12:05,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:12:05,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:12:05,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:12:05,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:12:05,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:12:05,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:12:05,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:12:05,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:12:05,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:12:05,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:12:05,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:12:05,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:12:05,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:12:05,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:12:05,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:12:05,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:12:05,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:12:05,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:12:05,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:12:05,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:12:05,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:12:05,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:12:05,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:12:05,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:12:05,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:12:05,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:12:05,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:12:05,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:12:05,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:12:05,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:12:05,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:12:05,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:12:05,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:12:05,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:12:05,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:12:05,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:12:05,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:12:05,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:12:05,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:12:05,219 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:12:05,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:12:05,220 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:12:05,221 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:12:05,221 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:12:05,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:12:05,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:12:05,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:12:05,223 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:12:05,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:12:05,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:12:05,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:12:05,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:12:05,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:12:05,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:12:05,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:12:05,226 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:12:05,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:12:05,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:12:05,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:12:05,227 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:12:05,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:12:05,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:12:05,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:12:05,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:12:05,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:12:05,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:12:05,229 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:12:05,230 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:12:05,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:12:05,230 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_996c6a62-556a-4d29-a02d-4a68f96aec8f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0ce254525a5f0c5246a4d34711d856c964858631aa6fd3bcbe4f5fc7129e7e0 [2022-11-16 11:12:05,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:12:05,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:12:05,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:12:05,577 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:12:05,578 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:12:05,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c [2022-11-16 11:12:05,667 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/data/798c0ee20/a3064b94404c49c4b07f803458df55f3/FLAG9318cb1bb [2022-11-16 11:12:06,163 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:12:06,164 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c [2022-11-16 11:12:06,177 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/data/798c0ee20/a3064b94404c49c4b07f803458df55f3/FLAG9318cb1bb [2022-11-16 11:12:06,496 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/data/798c0ee20/a3064b94404c49c4b07f803458df55f3 [2022-11-16 11:12:06,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:12:06,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:12:06,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:12:06,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:12:06,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:12:06,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:06,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@584cf16e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06, skipping insertion in model container [2022-11-16 11:12:06,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:06,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:12:06,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:12:06,747 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_996c6a62-556a-4d29-a02d-4a68f96aec8f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c[1107,1120] [2022-11-16 11:12:06,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:12:06,842 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:12:06,857 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_996c6a62-556a-4d29-a02d-4a68f96aec8f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c[1107,1120] [2022-11-16 11:12:06,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:12:06,939 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:12:06,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06 WrapperNode [2022-11-16 11:12:06,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:12:06,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:12:06,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:12:06,946 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:12:06,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:06,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:07,020 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 185 [2022-11-16 11:12:07,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:12:07,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:12:07,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:12:07,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:12:07,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:07,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:07,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:07,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:07,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:07,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:07,070 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:07,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:07,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:12:07,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:12:07,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:12:07,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:12:07,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:07,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:12:07,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:07,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:07,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:12:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:12:07,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:12:07,320 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:12:07,322 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:12:07,598 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:12:07,605 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:12:07,605 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:12:07,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:12:07 BoogieIcfgContainer [2022-11-16 11:12:07,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:12:07,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:12:07,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:12:07,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:12:07,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:12:06" (1/3) ... [2022-11-16 11:12:07,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f310480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:12:07, skipping insertion in model container [2022-11-16 11:12:07,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06" (2/3) ... [2022-11-16 11:12:07,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f310480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:12:07, skipping insertion in model container [2022-11-16 11:12:07,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:12:07" (3/3) ... [2022-11-16 11:12:07,627 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c [2022-11-16 11:12:07,667 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:12:07,668 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:12:07,729 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:12:07,736 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;@5e3937db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:12:07,737 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:12:07,741 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 11:12:07,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 11:12:07,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:12:07,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:12:07,751 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:12:07,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:07,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1178400828, now seen corresponding path program 1 times [2022-11-16 11:12:07,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:07,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532361396] [2022-11-16 11:12:07,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:07,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:08,354 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 11:12:08,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:08,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532361396] [2022-11-16 11:12:08,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532361396] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:08,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:08,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:12:08,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559585508] [2022-11-16 11:12:08,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:08,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:12:08,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:08,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:12:08,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:12:08,399 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 11:12:08,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:12:08,512 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2022-11-16 11:12:08,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:12:08,516 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 11:12:08,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:12:08,525 INFO L225 Difference]: With dead ends: 64 [2022-11-16 11:12:08,525 INFO L226 Difference]: Without dead ends: 43 [2022-11-16 11:12:08,528 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 11:12:08,532 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 11:12:08,533 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 11:12:08,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-16 11:12:08,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 21. [2022-11-16 11:12:08,568 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 11:12:08,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 29 transitions. [2022-11-16 11:12:08,570 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 29 transitions. Word has length 11 [2022-11-16 11:12:08,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:12:08,571 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 29 transitions. [2022-11-16 11:12:08,571 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 11:12:08,571 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-11-16 11:12:08,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 11:12:08,572 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:12:08,572 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:12:08,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:12:08,573 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:12:08,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:08,574 INFO L85 PathProgramCache]: Analyzing trace with hash 2126004980, now seen corresponding path program 1 times [2022-11-16 11:12:08,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:08,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246588040] [2022-11-16 11:12:08,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:08,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:12:08,680 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:12:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:12:08,761 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:12:08,761 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:12:08,763 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:12:08,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:12:08,769 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-16 11:12:08,773 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:12:08,825 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 11:12:08,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:12:08 BoogieIcfgContainer [2022-11-16 11:12:08,890 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:12:08,891 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:12:08,891 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:12:08,891 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:12:08,892 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:12:07" (3/4) ... [2022-11-16 11:12:08,895 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:12:08,896 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:12:08,897 INFO L158 Benchmark]: Toolchain (without parser) took 2397.29ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 66.2MB in the beginning and 105.8MB in the end (delta: -39.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:12:08,899 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory was 73.6MB in the beginning and 73.5MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:12:08,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.24ms. Allocated memory is still 100.7MB. Free memory was 65.9MB in the beginning and 75.1MB in the end (delta: -9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:12:08,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.99ms. Allocated memory is still 100.7MB. Free memory was 74.7MB in the beginning and 72.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:12:08,903 INFO L158 Benchmark]: Boogie Preprocessor took 64.83ms. Allocated memory is still 100.7MB. Free memory was 72.6MB in the beginning and 70.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:12:08,904 INFO L158 Benchmark]: RCFGBuilder took 519.83ms. Allocated memory is still 100.7MB. Free memory was 70.9MB in the beginning and 56.6MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 11:12:08,907 INFO L158 Benchmark]: TraceAbstraction took 1280.61ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 55.8MB in the beginning and 106.8MB in the end (delta: -51.0MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2022-11-16 11:12:08,908 INFO L158 Benchmark]: Witness Printer took 5.91ms. Allocated memory is still 132.1MB. Free memory was 106.8MB in the beginning and 105.8MB in the end (delta: 997.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:12:08,911 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory was 73.6MB in the beginning and 73.5MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.24ms. Allocated memory is still 100.7MB. Free memory was 65.9MB in the beginning and 75.1MB in the end (delta: -9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.99ms. Allocated memory is still 100.7MB. Free memory was 74.7MB in the beginning and 72.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.83ms. Allocated memory is still 100.7MB. Free memory was 72.6MB in the beginning and 70.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 519.83ms. Allocated memory is still 100.7MB. Free memory was 70.9MB in the beginning and 56.6MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1280.61ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 55.8MB in the beginning and 106.8MB in the end (delta: -51.0MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Witness Printer took 5.91ms. Allocated memory is still 132.1MB. Free memory was 106.8MB in the beginning and 105.8MB in the end (delta: 997.2kB). 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 127, overapproximation of bitwiseOr at line 125, overapproximation of bitwiseAnd at line 130. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L31] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 32); [L32] const SORT_10 msb_SORT_10 = (SORT_10)1 << (32 - 1); [L34] const SORT_32 mask_SORT_32 = (SORT_32)-1 >> (sizeof(SORT_32) * 8 - 4); [L35] const SORT_32 msb_SORT_32 = (SORT_32)1 << (4 - 1); [L37] const SORT_68 mask_SORT_68 = (SORT_68)-1 >> (sizeof(SORT_68) * 8 - 10); [L38] const SORT_68 msb_SORT_68 = (SORT_68)1 << (10 - 1); [L40] const SORT_1 var_7 = 0; [L41] const SORT_10 var_12 = 1; [L42] const SORT_1 var_22 = 1; [L44] SORT_1 input_2; [L45] SORT_3 input_4; [L46] SORT_1 input_5; [L47] SORT_1 input_6; [L48] SORT_1 input_28; [L49] SORT_1 input_30; [L50] SORT_32 input_33; [L51] SORT_1 input_35; [L52] SORT_32 input_37; [L53] SORT_1 input_39; [L54] SORT_1 input_41; [L55] SORT_1 input_43; [L56] SORT_1 input_45; [L57] SORT_1 input_47; [L58] SORT_1 input_49; [L59] SORT_1 input_51; [L60] SORT_3 input_53; [L61] SORT_1 input_56; [L62] SORT_1 input_58; [L63] SORT_1 input_60; [L64] SORT_1 input_62; [L65] SORT_1 input_64; [L66] SORT_1 input_66; [L67] SORT_68 input_69; [L68] SORT_1 input_71; [L70] SORT_1 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] SORT_1 init_9_arg_1 = var_7; [L75] state_8 = init_9_arg_1 [L76] SORT_1 init_16_arg_1 = var_7; [L77] state_15 = init_16_arg_1 [L78] SORT_1 init_27_arg_1 = var_7; [L79] state_26 = init_27_arg_1 VAL [init_16_arg_1=0, init_27_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_10=4294967295, mask_SORT_3=255, mask_SORT_32=15, mask_SORT_68=1023, msb_SORT_1=1, msb_SORT_10=2147483648, msb_SORT_3=128, msb_SORT_32=8, msb_SORT_68=512, state_15=0, state_26=0, state_8=0, var_12=1, var_22=1, var_7=0] [L82] input_2 = __VERIFIER_nondet_uchar() [L83] input_4 = __VERIFIER_nondet_uchar() [L84] input_5 = __VERIFIER_nondet_uchar() [L85] input_6 = __VERIFIER_nondet_uchar() [L86] input_28 = __VERIFIER_nondet_uchar() [L87] input_30 = __VERIFIER_nondet_uchar() [L88] input_33 = __VERIFIER_nondet_uchar() [L89] input_35 = __VERIFIER_nondet_uchar() [L90] input_37 = __VERIFIER_nondet_uchar() [L91] input_39 = __VERIFIER_nondet_uchar() [L92] input_41 = __VERIFIER_nondet_uchar() [L93] input_43 = __VERIFIER_nondet_uchar() [L94] input_45 = __VERIFIER_nondet_uchar() [L95] input_47 = __VERIFIER_nondet_uchar() [L96] input_49 = __VERIFIER_nondet_uchar() [L97] input_51 = __VERIFIER_nondet_uchar() [L98] input_53 = __VERIFIER_nondet_uchar() [L99] input_56 = __VERIFIER_nondet_uchar() [L100] input_58 = __VERIFIER_nondet_uchar() [L101] input_60 = __VERIFIER_nondet_uchar() [L102] input_62 = __VERIFIER_nondet_uchar() [L103] input_64 = __VERIFIER_nondet_uchar() [L104] input_66 = __VERIFIER_nondet_uchar() [L105] input_69 = __VERIFIER_nondet_ushort() [L106] input_71 = __VERIFIER_nondet_uchar() [L109] SORT_1 var_11_arg_0 = state_8; VAL [init_16_arg_1=0, init_27_arg_1=0, init_9_arg_1=0, input_2=12, input_28=1, input_30=25, input_33=9, input_35=3, input_37=21, input_39=6, input_4=17, input_41=20, input_43=14, input_45=8, input_47=23, input_49=16, input_5=2, input_51=18, input_53=13, input_56=22, input_58=15, input_6=10, input_60=4, input_62=7, input_64=11, input_66=24, input_69=5, input_71=19, mask_SORT_1=1, mask_SORT_10=4294967295, mask_SORT_3=255, mask_SORT_32=15, mask_SORT_68=1023, msb_SORT_1=1, msb_SORT_10=2147483648, msb_SORT_3=128, msb_SORT_32=8, msb_SORT_68=512, state_15=0, state_26=0, state_8=0, var_11_arg_0=0, var_12=1, var_22=1, var_7=0] [L110] var_11_arg_0 = var_11_arg_0 & mask_SORT_1 VAL [init_16_arg_1=0, init_27_arg_1=0, init_9_arg_1=0, input_2=12, input_28=1, input_30=25, input_33=9, input_35=3, input_37=21, input_39=6, input_4=17, input_41=20, input_43=14, input_45=8, input_47=23, input_49=16, input_5=2, input_51=18, input_53=13, input_56=22, input_58=15, input_6=10, input_60=4, input_62=7, input_64=11, input_66=24, input_69=5, input_71=19, mask_SORT_1=1, mask_SORT_10=4294967295, mask_SORT_3=255, mask_SORT_32=15, mask_SORT_68=1023, msb_SORT_1=1, msb_SORT_10=2147483648, msb_SORT_3=128, msb_SORT_32=8, msb_SORT_68=512, state_15=0, state_26=0, state_8=0, var_11_arg_0=0, var_12=1, var_22=1, var_7=0] [L111] SORT_10 var_11 = var_11_arg_0; [L112] SORT_10 var_13_arg_0 = var_11; [L113] SORT_10 var_13_arg_1 = var_12; [L114] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L115] SORT_1 var_14_arg_0 = var_13; [L116] SORT_1 var_14 = ~var_14_arg_0; [L117] SORT_1 var_17_arg_0 = state_15; VAL [init_16_arg_1=0, init_27_arg_1=0, init_9_arg_1=0, input_2=12, input_28=1, input_30=25, input_33=9, input_35=3, input_37=21, input_39=6, input_4=17, input_41=20, input_43=14, input_45=8, input_47=23, input_49=16, input_5=2, input_51=18, input_53=13, input_56=22, input_58=15, input_6=10, input_60=4, input_62=7, input_64=11, input_66=24, input_69=5, input_71=19, mask_SORT_1=1, mask_SORT_10=4294967295, mask_SORT_3=255, mask_SORT_32=15, mask_SORT_68=1023, msb_SORT_1=1, msb_SORT_10=2147483648, msb_SORT_3=128, msb_SORT_32=8, msb_SORT_68=512, state_15=0, state_26=0, state_8=0, var_11=0, var_11_arg_0=0, var_12=1, var_13=0, var_13_arg_0=0, var_13_arg_1=1, var_14_arg_0=0, var_17_arg_0=0, var_22=1, var_7=0] [L118] var_17_arg_0 = var_17_arg_0 & mask_SORT_1 VAL [init_16_arg_1=0, init_27_arg_1=0, init_9_arg_1=0, input_2=12, input_28=1, input_30=25, input_33=9, input_35=3, input_37=21, input_39=6, input_4=17, input_41=20, input_43=14, input_45=8, input_47=23, input_49=16, input_5=2, input_51=18, input_53=13, input_56=22, input_58=15, input_6=10, input_60=4, input_62=7, input_64=11, input_66=24, input_69=5, input_71=19, mask_SORT_1=1, mask_SORT_10=4294967295, mask_SORT_3=255, mask_SORT_32=15, mask_SORT_68=1023, msb_SORT_1=1, msb_SORT_10=2147483648, msb_SORT_3=128, msb_SORT_32=8, msb_SORT_68=512, state_15=0, state_26=0, state_8=0, var_11=0, var_11_arg_0=0, var_12=1, var_13=0, var_13_arg_0=0, var_13_arg_1=1, var_14_arg_0=0, var_17_arg_0=0, var_22=1, var_7=0] [L119] SORT_10 var_17 = var_17_arg_0; [L120] SORT_10 var_18_arg_0 = var_17; [L121] SORT_10 var_18_arg_1 = var_12; [L122] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L123] SORT_1 var_19_arg_0 = var_14; [L124] SORT_1 var_19_arg_1 = var_18; [L125] SORT_1 var_19 = var_19_arg_0 | var_19_arg_1; [L126] SORT_1 var_23_arg_0 = var_19; [L127] SORT_1 var_23 = ~var_23_arg_0; [L128] SORT_1 var_24_arg_0 = var_22; [L129] SORT_1 var_24_arg_1 = var_23; [L130] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; VAL [init_16_arg_1=0, init_27_arg_1=0, init_9_arg_1=0, input_2=12, input_28=1, input_30=25, input_33=9, input_35=3, input_37=21, input_39=6, input_4=17, input_41=20, input_43=14, input_45=8, input_47=23, input_49=16, input_5=2, input_51=18, input_53=13, input_56=22, input_58=15, input_6=10, input_60=4, input_62=7, input_64=11, input_66=24, input_69=5, input_71=19, mask_SORT_1=1, mask_SORT_10=4294967295, mask_SORT_3=255, mask_SORT_32=15, mask_SORT_68=1023, msb_SORT_1=1, msb_SORT_10=2147483648, msb_SORT_3=128, msb_SORT_32=8, msb_SORT_68=512, state_15=0, state_26=0, state_8=0, var_11=0, var_11_arg_0=0, var_12=1, var_13=0, var_13_arg_0=0, var_13_arg_1=1, var_14=2, var_14_arg_0=0, var_17=0, var_17_arg_0=0, var_18=0, var_18_arg_0=0, var_18_arg_1=1, var_19=2, var_19_arg_0=2, var_19_arg_1=0, var_22=1, var_23=255, var_23_arg_0=2, var_24=1, var_24_arg_0=1, var_24_arg_1=255, var_7=0] [L131] var_24 = var_24 & mask_SORT_1 VAL [init_16_arg_1=0, init_27_arg_1=0, init_9_arg_1=0, input_2=12, input_28=1, input_30=25, input_33=9, input_35=3, input_37=21, input_39=6, input_4=17, input_41=20, input_43=14, input_45=8, input_47=23, input_49=16, input_5=2, input_51=18, input_53=13, input_56=22, input_58=15, input_6=10, input_60=4, input_62=7, input_64=11, input_66=24, input_69=5, input_71=19, mask_SORT_1=1, mask_SORT_10=4294967295, mask_SORT_3=255, mask_SORT_32=15, mask_SORT_68=1023, msb_SORT_1=1, msb_SORT_10=2147483648, msb_SORT_3=128, msb_SORT_32=8, msb_SORT_68=512, state_15=0, state_26=0, state_8=0, var_11=0, var_11_arg_0=0, var_12=1, var_13=0, var_13_arg_0=0, var_13_arg_1=1, var_14=2, var_14_arg_0=0, var_17=0, var_17_arg_0=0, var_18=0, var_18_arg_0=0, var_18_arg_1=1, var_19=2, var_19_arg_0=2, var_19_arg_1=0, var_22=1, var_23=255, var_23_arg_0=2, var_24=1, var_24_arg_0=1, var_24_arg_1=255, var_7=0] [L132] SORT_1 bad_25_arg_0 = var_24; [L133] CALL __VERIFIER_assert(!(bad_25_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: 1.1s, 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, 0.3s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-16 11:12:08,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/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 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_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/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_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/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_996c6a62-556a-4d29-a02d-4a68f96aec8f/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 d0ce254525a5f0c5246a4d34711d856c964858631aa6fd3bcbe4f5fc7129e7e0 --- 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 11:12:11,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:12:11,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:12:11,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:12:11,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:12:11,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:12:11,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:12:11,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:12:11,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:12:11,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:12:11,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:12:11,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:12:11,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:12:11,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:12:11,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:12:11,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:12:11,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:12:11,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:12:11,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:12:11,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:12:11,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:12:11,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:12:11,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:12:11,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:12:11,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:12:11,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:12:11,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:12:11,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:12:11,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:12:11,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:12:11,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:12:11,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:12:11,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:12:11,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:12:11,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:12:11,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:12:11,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:12:11,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:12:11,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:12:11,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:12:11,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:12:11,295 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-16 11:12:11,362 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:12:11,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:12:11,363 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:12:11,363 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:12:11,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:12:11,365 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:12:11,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:12:11,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:12:11,367 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:12:11,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:12:11,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:12:11,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:12:11,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:12:11,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:12:11,369 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:12:11,369 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:12:11,370 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:12:11,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:12:11,370 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:12:11,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:12:11,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:12:11,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:12:11,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:12:11,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:12:11,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:12:11,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:12:11,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:12:11,373 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:12:11,373 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:12:11,373 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:12:11,374 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:12:11,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:12:11,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:12:11,375 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_996c6a62-556a-4d29-a02d-4a68f96aec8f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0ce254525a5f0c5246a4d34711d856c964858631aa6fd3bcbe4f5fc7129e7e0 [2022-11-16 11:12:11,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:12:11,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:12:11,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:12:11,828 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:12:11,829 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:12:11,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c [2022-11-16 11:12:11,902 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/data/a7bc29f62/b73340ae94374b3ab421cf586bf082d3/FLAG91601b496 [2022-11-16 11:12:12,431 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:12:12,432 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c [2022-11-16 11:12:12,439 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/data/a7bc29f62/b73340ae94374b3ab421cf586bf082d3/FLAG91601b496 [2022-11-16 11:12:12,784 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/data/a7bc29f62/b73340ae94374b3ab421cf586bf082d3 [2022-11-16 11:12:12,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:12:12,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:12:12,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:12:12,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:12:12,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:12:12,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:12:12" (1/1) ... [2022-11-16 11:12:12,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354dc06b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:12, skipping insertion in model container [2022-11-16 11:12:12,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:12:12" (1/1) ... [2022-11-16 11:12:12,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:12:12,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:12:12,970 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_996c6a62-556a-4d29-a02d-4a68f96aec8f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c[1107,1120] [2022-11-16 11:12:13,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:12:13,030 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:12:13,071 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_996c6a62-556a-4d29-a02d-4a68f96aec8f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c[1107,1120] [2022-11-16 11:12:13,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:12:13,139 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:12:13,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:13 WrapperNode [2022-11-16 11:12:13,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:12:13,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:12:13,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:12:13,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:12:13,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:13" (1/1) ... [2022-11-16 11:12:13,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:13" (1/1) ... [2022-11-16 11:12:13,211 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 157 [2022-11-16 11:12:13,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:12:13,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:12:13,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:12:13,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:12:13,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:13" (1/1) ... [2022-11-16 11:12:13,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:13" (1/1) ... [2022-11-16 11:12:13,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:13" (1/1) ... [2022-11-16 11:12:13,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:13" (1/1) ... [2022-11-16 11:12:13,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:13" (1/1) ... [2022-11-16 11:12:13,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:13" (1/1) ... [2022-11-16 11:12:13,258 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:13" (1/1) ... [2022-11-16 11:12:13,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:13" (1/1) ... [2022-11-16 11:12:13,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:12:13,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:12:13,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:12:13,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:12:13,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:13" (1/1) ... [2022-11-16 11:12:13,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:12:13,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:13,347 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:13,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:12:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:12:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:12:13,549 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:12:13,552 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:12:13,801 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:12:13,808 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:12:13,809 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:12:13,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:12:13 BoogieIcfgContainer [2022-11-16 11:12:13,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:12:13,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:12:13,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:12:13,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:12:13,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:12:12" (1/3) ... [2022-11-16 11:12:13,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed4a85b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:12:13, skipping insertion in model container [2022-11-16 11:12:13,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:13" (2/3) ... [2022-11-16 11:12:13,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed4a85b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:12:13, skipping insertion in model container [2022-11-16 11:12:13,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:12:13" (3/3) ... [2022-11-16 11:12:13,821 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p16.c [2022-11-16 11:12:13,860 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:12:13,860 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:12:13,962 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:12:13,972 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;@f19a445, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:12:13,975 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:12:13,980 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 11:12:13,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 11:12:13,988 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:12:13,989 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 11:12:13,990 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:12:14,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:14,000 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-16 11:12:14,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:12:14,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1948090182] [2022-11-16 11:12:14,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:14,020 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 11:12:14,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:12:14,022 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/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 11:12:14,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/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 11:12:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:14,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-16 11:12:14,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:12:14,524 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 11:12:14,526 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:12:14,527 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:12:14,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1948090182] [2022-11-16 11:12:14,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1948090182] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:14,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:14,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:12:14,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397422964] [2022-11-16 11:12:14,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:14,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:12:14,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:12:14,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:12:14,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:12:14,588 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 11:12:14,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:12:14,649 INFO L93 Difference]: Finished difference Result 15 states and 22 transitions. [2022-11-16 11:12:14,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:12:14,652 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 11:12:14,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:12:14,659 INFO L225 Difference]: With dead ends: 15 [2022-11-16 11:12:14,660 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:12:14,663 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 11:12:14,667 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 4 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:12:14,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:12:14,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:12:14,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:12:14,710 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 11:12:14,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:12:14,713 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2022-11-16 11:12:14,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:12:14,713 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:12:14,713 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 11:12:14,714 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:12:14,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:12:14,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:12:14,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-16 11:12:14,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/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 11:12:14,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 11:12:14,970 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:12:14,970 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 11:12:14,970 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 11:12:14,971 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:12:14,971 INFO L895 garLoopResultBuilder]: At program point L156(lines 22 157) the Hoare annotation is: false [2022-11-16 11:12:14,971 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-16 11:12:14,972 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-16 11:12:14,972 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-16 11:12:14,972 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-16 11:12:14,972 INFO L895 garLoopResultBuilder]: At program point L80-2(lines 80 155) the Hoare annotation is: (and (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= |ULTIMATE.start_main_~var_12~0#1| (_ bv1 32)) (= |ULTIMATE.start_main_~state_8~0#1| (_ bv0 8))) [2022-11-16 11:12:14,973 INFO L899 garLoopResultBuilder]: For program point L80-3(lines 80 155) no Hoare annotation was computed. [2022-11-16 11:12:14,977 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-16 11:12:14,980 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:12:14,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:12:14 BoogieIcfgContainer [2022-11-16 11:12:14,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:12:14,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:12:14,996 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:12:14,996 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:12:14,997 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:12:13" (3/4) ... [2022-11-16 11:12:15,001 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:12:15,013 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-16 11:12:15,014 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 11:12:15,015 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:12:15,078 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:12:15,078 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:12:15,079 INFO L158 Benchmark]: Toolchain (without parser) took 2291.09ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 55.7MB in the beginning and 66.0MB in the end (delta: -10.3MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2022-11-16 11:12:15,080 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 73.4MB. Free memory was 54.5MB in the beginning and 54.4MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:12:15,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.49ms. Allocated memory is still 73.4MB. Free memory was 55.5MB in the beginning and 56.0MB in the end (delta: -512.9kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:12:15,081 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.37ms. Allocated memory is still 73.4MB. Free memory was 56.0MB in the beginning and 54.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:12:15,082 INFO L158 Benchmark]: Boogie Preprocessor took 73.47ms. Allocated memory is still 73.4MB. Free memory was 54.0MB in the beginning and 52.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:12:15,082 INFO L158 Benchmark]: RCFGBuilder took 525.27ms. Allocated memory is still 73.4MB. Free memory was 52.3MB in the beginning and 39.0MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 11:12:15,083 INFO L158 Benchmark]: TraceAbstraction took 1181.40ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 38.3MB in the beginning and 69.5MB in the end (delta: -31.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:12:15,083 INFO L158 Benchmark]: Witness Printer took 82.69ms. Allocated memory is still 96.5MB. Free memory was 69.5MB in the beginning and 66.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:12:15,086 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 73.4MB. Free memory was 54.5MB in the beginning and 54.4MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.49ms. Allocated memory is still 73.4MB. Free memory was 55.5MB in the beginning and 56.0MB in the end (delta: -512.9kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.37ms. Allocated memory is still 73.4MB. Free memory was 56.0MB in the beginning and 54.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.47ms. Allocated memory is still 73.4MB. Free memory was 54.0MB in the beginning and 52.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 525.27ms. Allocated memory is still 73.4MB. Free memory was 52.3MB in the beginning and 39.0MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1181.40ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 38.3MB in the beginning and 69.5MB in the end (delta: -31.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 82.69ms. Allocated memory is still 96.5MB. Free memory was 69.5MB in the beginning and 66.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. 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 - 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: 1.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 11 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 22 NumberOfNonLiveVariables, 72 ConjunctsInSsa, 22 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: (1bv8 == mask_SORT_1 && var_12 == 1bv32) && state_8 == 0bv8 RESULT: Ultimate proved your program to be correct! [2022-11-16 11:12:15,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_996c6a62-556a-4d29-a02d-4a68f96aec8f/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 Writing output log to file Ultimate.log Result: TRUE