./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal28.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal28.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a7fbb529a976040c89cd70a0b8d5b61be73ce36c7349c078c8ffac4cad389477 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:05:30,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:05:30,158 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 14:05:30,162 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:05:30,162 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:05:30,185 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:05:30,186 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:05:30,186 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:05:30,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:05:30,187 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:05:30,188 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:05:30,188 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:05:30,189 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:05:30,189 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:05:30,190 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:05:30,190 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:05:30,191 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:05:30,191 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:05:30,192 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:05:30,192 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:05:30,193 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:05:30,194 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:05:30,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:05:30,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:05:30,195 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:05:30,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:05:30,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:05:30,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:05:30,197 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:05:30,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:05:30,198 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:05:30,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:05:30,198 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:05:30,199 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:05:30,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:05:30,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:05:30,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:05:30,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:05:30,200 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:05:30,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:05:30,200 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:05:30,200 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:05:30,200 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:05:30,201 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:05:30,201 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7fbb529a976040c89cd70a0b8d5b61be73ce36c7349c078c8ffac4cad389477 [2023-12-02 14:05:30,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:05:30,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:05:30,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:05:30,440 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:05:30,440 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:05:30,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal28.c [2023-12-02 14:05:33,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:05:33,663 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:05:33,664 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal28.c [2023-12-02 14:05:33,705 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/data/ae4166d22/375f9151c876412d8f97a3d68c3b4a28/FLAG1ddc4833e [2023-12-02 14:05:33,720 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/data/ae4166d22/375f9151c876412d8f97a3d68c3b4a28 [2023-12-02 14:05:33,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:05:33,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:05:33,725 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:05:33,725 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:05:33,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:05:33,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:05:33" (1/1) ... [2023-12-02 14:05:33,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b3d55fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:33, skipping insertion in model container [2023-12-02 14:05:33,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:05:33" (1/1) ... [2023-12-02 14:05:33,930 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:05:34,271 WARN L240 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_c9d5beac-987a-4e3a-a4dc-df9bdb944110/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal28.c[1245,1258] [2023-12-02 14:05:35,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:05:35,414 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:05:35,423 WARN L240 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_c9d5beac-987a-4e3a-a4dc-df9bdb944110/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal28.c[1245,1258] [2023-12-02 14:05:36,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:05:36,237 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:05:36,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:36 WrapperNode [2023-12-02 14:05:36,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:05:36,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:05:36,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:05:36,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:05:36,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:36" (1/1) ... [2023-12-02 14:05:36,411 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:36" (1/1) ... [2023-12-02 14:05:38,900 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40949 [2023-12-02 14:05:38,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:05:38,902 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:05:38,902 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:05:38,902 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:05:38,911 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:36" (1/1) ... [2023-12-02 14:05:38,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:36" (1/1) ... [2023-12-02 14:05:39,559 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:36" (1/1) ... [2023-12-02 14:05:39,559 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:36" (1/1) ... [2023-12-02 14:05:40,158 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:36" (1/1) ... [2023-12-02 14:05:40,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:36" (1/1) ... [2023-12-02 14:05:40,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:36" (1/1) ... [2023-12-02 14:05:40,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:36" (1/1) ... [2023-12-02 14:05:41,059 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:05:41,060 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:05:41,060 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:05:41,060 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:05:41,061 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:36" (1/1) ... [2023-12-02 14:05:41,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:05:41,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:05:41,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:05:41,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:05:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:05:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:05:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:05:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:05:42,831 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:05:42,833 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:06:03,962 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:07:38,976 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:07:38,976 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:07:38,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:07:38 BoogieIcfgContainer [2023-12-02 14:07:38,977 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:07:38,979 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:07:38,980 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:07:38,983 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:07:38,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:05:33" (1/3) ... [2023-12-02 14:07:38,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd6ffc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:07:38, skipping insertion in model container [2023-12-02 14:07:38,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:05:36" (2/3) ... [2023-12-02 14:07:38,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd6ffc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:07:38, skipping insertion in model container [2023-12-02 14:07:38,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:07:38" (3/3) ... [2023-12-02 14:07:38,985 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal28.c [2023-12-02 14:07:39,003 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:07:39,004 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:07:39,050 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:07:39,057 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@459bfb6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:07:39,057 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:07:39,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) [2023-12-02 14:07:39,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 14:07:39,067 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:07:39,067 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 14:07:39,068 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:07:39,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:07:39,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1603687405, now seen corresponding path program 1 times [2023-12-02 14:07:39,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:07:39,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411755649] [2023-12-02 14:07:39,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:07:39,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:07:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:07:40,479 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 14:07:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:07:41,689 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 14:07:41,691 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 14:07:41,692 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 14:07:41,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 14:07:41,697 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 14:07:41,700 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 14:07:41,740 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-02 14:07:41,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:07:41 BoogieIcfgContainer [2023-12-02 14:07:41,760 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 14:07:41,761 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 14:07:41,761 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 14:07:41,761 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 14:07:41,762 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:07:38" (3/4) ... [2023-12-02 14:07:41,764 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 14:07:41,765 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 14:07:41,766 INFO L158 Benchmark]: Toolchain (without parser) took 128042.34ms. Allocated memory was 151.0MB in the beginning and 12.9GB in the end (delta: 12.7GB). Free memory was 92.5MB in the beginning and 10.5GB in the end (delta: -10.4GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2023-12-02 14:07:41,766 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:07:41,767 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2513.20ms. Allocated memory was 151.0MB in the beginning and 536.9MB in the end (delta: 385.9MB). Free memory was 92.5MB in the beginning and 311.0MB in the end (delta: -218.6MB). Peak memory consumption was 196.2MB. Max. memory is 16.1GB. [2023-12-02 14:07:41,768 INFO L158 Benchmark]: Boogie Procedure Inliner took 2662.32ms. Allocated memory was 536.9MB in the beginning and 1.5GB in the end (delta: 962.6MB). Free memory was 311.0MB in the beginning and 780.5MB in the end (delta: -469.4MB). Peak memory consumption was 571.8MB. Max. memory is 16.1GB. [2023-12-02 14:07:41,769 INFO L158 Benchmark]: Boogie Preprocessor took 2157.65ms. Allocated memory was 1.5GB in the beginning and 4.5GB in the end (delta: 3.0GB). Free memory was 780.5MB in the beginning and 3.5GB in the end (delta: -2.7GB). Peak memory consumption was 260.0MB. Max. memory is 16.1GB. [2023-12-02 14:07:41,769 INFO L158 Benchmark]: RCFGBuilder took 117917.23ms. Allocated memory was 4.5GB in the beginning and 12.9GB in the end (delta: 8.4GB). Free memory was 3.5GB in the beginning and 10.3GB in the end (delta: -6.8GB). Peak memory consumption was 6.3GB. Max. memory is 16.1GB. [2023-12-02 14:07:41,770 INFO L158 Benchmark]: TraceAbstraction took 2780.58ms. Allocated memory is still 12.9GB. Free memory was 10.3GB in the beginning and 10.5GB in the end (delta: -174.1MB). Peak memory consumption was 422.6MB. Max. memory is 16.1GB. [2023-12-02 14:07:41,770 INFO L158 Benchmark]: Witness Printer took 4.40ms. Allocated memory is still 12.9GB. Free memory is still 10.5GB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:07:41,773 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2513.20ms. Allocated memory was 151.0MB in the beginning and 536.9MB in the end (delta: 385.9MB). Free memory was 92.5MB in the beginning and 311.0MB in the end (delta: -218.6MB). Peak memory consumption was 196.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2662.32ms. Allocated memory was 536.9MB in the beginning and 1.5GB in the end (delta: 962.6MB). Free memory was 311.0MB in the beginning and 780.5MB in the end (delta: -469.4MB). Peak memory consumption was 571.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2157.65ms. Allocated memory was 1.5GB in the beginning and 4.5GB in the end (delta: 3.0GB). Free memory was 780.5MB in the beginning and 3.5GB in the end (delta: -2.7GB). Peak memory consumption was 260.0MB. Max. memory is 16.1GB. * RCFGBuilder took 117917.23ms. Allocated memory was 4.5GB in the beginning and 12.9GB in the end (delta: 8.4GB). Free memory was 3.5GB in the beginning and 10.3GB in the end (delta: -6.8GB). Peak memory consumption was 6.3GB. Max. memory is 16.1GB. * TraceAbstraction took 2780.58ms. Allocated memory is still 12.9GB. Free memory was 10.3GB in the beginning and 10.5GB in the end (delta: -174.1MB). Peak memory consumption was 422.6MB. Max. memory is 16.1GB. * Witness Printer took 4.40ms. Allocated memory is still 12.9GB. Free memory is still 10.5GB. 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: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 465, overapproximation of bitwiseAnd at line 345. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 2); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (2 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L32] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 4); [L33] const SORT_6 msb_SORT_6 = (SORT_6)1 << (4 - 1); [L35] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 8); [L36] const SORT_9 msb_SORT_9 = (SORT_9)1 << (8 - 1); [L38] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 32); [L39] const SORT_11 msb_SORT_11 = (SORT_11)1 << (32 - 1); [L41] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 12); [L42] const SORT_21 msb_SORT_21 = (SORT_21)1 << (12 - 1); [L44] const SORT_29 mask_SORT_29 = (SORT_29)-1 >> (sizeof(SORT_29) * 8 - 3); [L45] const SORT_29 msb_SORT_29 = (SORT_29)1 << (3 - 1); [L47] const SORT_36 mask_SORT_36 = (SORT_36)-1 >> (sizeof(SORT_36) * 8 - 5); [L48] const SORT_36 msb_SORT_36 = (SORT_36)1 << (5 - 1); [L50] const SORT_47 mask_SORT_47 = (SORT_47)-1 >> (sizeof(SORT_47) * 8 - 6); [L51] const SORT_47 msb_SORT_47 = (SORT_47)1 << (6 - 1); [L53] const SORT_259 mask_SORT_259 = (SORT_259)-1 >> (sizeof(SORT_259) * 8 - 7); [L54] const SORT_259 msb_SORT_259 = (SORT_259)1 << (7 - 1); [L56] const SORT_262 mask_SORT_262 = (SORT_262)-1 >> (sizeof(SORT_262) * 8 - 9); [L57] const SORT_262 msb_SORT_262 = (SORT_262)1 << (9 - 1); [L59] const SORT_264 mask_SORT_264 = (SORT_264)-1 >> (sizeof(SORT_264) * 8 - 10); [L60] const SORT_264 msb_SORT_264 = (SORT_264)1 << (10 - 1); [L62] const SORT_266 mask_SORT_266 = (SORT_266)-1 >> (sizeof(SORT_266) * 8 - 11); [L63] const SORT_266 msb_SORT_266 = (SORT_266)1 << (11 - 1); [L65] const SORT_601 mask_SORT_601 = (SORT_601)-1 >> (sizeof(SORT_601) * 8 - 14); [L66] const SORT_601 msb_SORT_601 = (SORT_601)1 << (14 - 1); [L68] const SORT_603 mask_SORT_603 = (SORT_603)-1 >> (sizeof(SORT_603) * 8 - 16); [L69] const SORT_603 msb_SORT_603 = (SORT_603)1 << (16 - 1); [L71] const SORT_605 mask_SORT_605 = (SORT_605)-1 >> (sizeof(SORT_605) * 8 - 22); [L72] const SORT_605 msb_SORT_605 = (SORT_605)1 << (22 - 1); [L74] const SORT_607 mask_SORT_607 = (SORT_607)-1 >> (sizeof(SORT_607) * 8 - 24); [L75] const SORT_607 msb_SORT_607 = (SORT_607)1 << (24 - 1); [L77] const SORT_609 mask_SORT_609 = (SORT_609)-1 >> (sizeof(SORT_609) * 8 - 30); [L78] const SORT_609 msb_SORT_609 = (SORT_609)1 << (30 - 1); [L80] const SORT_650 mask_SORT_650 = (SORT_650)-1 >> (sizeof(SORT_650) * 8 - 13); [L81] const SORT_650 msb_SORT_650 = (SORT_650)1 << (13 - 1); [L83] const SORT_686 mask_SORT_686 = (SORT_686)-1 >> (sizeof(SORT_686) * 8 - 15); [L84] const SORT_686 msb_SORT_686 = (SORT_686)1 << (15 - 1); [L86] const SORT_691 mask_SORT_691 = (SORT_691)-1 >> (sizeof(SORT_691) * 8 - 17); [L87] const SORT_691 msb_SORT_691 = (SORT_691)1 << (17 - 1); [L89] const SORT_694 mask_SORT_694 = (SORT_694)-1 >> (sizeof(SORT_694) * 8 - 18); [L90] const SORT_694 msb_SORT_694 = (SORT_694)1 << (18 - 1); [L92] const SORT_697 mask_SORT_697 = (SORT_697)-1 >> (sizeof(SORT_697) * 8 - 19); [L93] const SORT_697 msb_SORT_697 = (SORT_697)1 << (19 - 1); [L95] const SORT_700 mask_SORT_700 = (SORT_700)-1 >> (sizeof(SORT_700) * 8 - 20); [L96] const SORT_700 msb_SORT_700 = (SORT_700)1 << (20 - 1); [L98] const SORT_703 mask_SORT_703 = (SORT_703)-1 >> (sizeof(SORT_703) * 8 - 21); [L99] const SORT_703 msb_SORT_703 = (SORT_703)1 << (21 - 1); [L101] const SORT_708 mask_SORT_708 = (SORT_708)-1 >> (sizeof(SORT_708) * 8 - 23); [L102] const SORT_708 msb_SORT_708 = (SORT_708)1 << (23 - 1); [L104] const SORT_713 mask_SORT_713 = (SORT_713)-1 >> (sizeof(SORT_713) * 8 - 25); [L105] const SORT_713 msb_SORT_713 = (SORT_713)1 << (25 - 1); [L107] const SORT_716 mask_SORT_716 = (SORT_716)-1 >> (sizeof(SORT_716) * 8 - 26); [L108] const SORT_716 msb_SORT_716 = (SORT_716)1 << (26 - 1); [L110] const SORT_719 mask_SORT_719 = (SORT_719)-1 >> (sizeof(SORT_719) * 8 - 27); [L111] const SORT_719 msb_SORT_719 = (SORT_719)1 << (27 - 1); [L113] const SORT_722 mask_SORT_722 = (SORT_722)-1 >> (sizeof(SORT_722) * 8 - 28); [L114] const SORT_722 msb_SORT_722 = (SORT_722)1 << (28 - 1); [L116] const SORT_725 mask_SORT_725 = (SORT_725)-1 >> (sizeof(SORT_725) * 8 - 29); [L117] const SORT_725 msb_SORT_725 = (SORT_725)1 << (29 - 1); [L119] const SORT_730 mask_SORT_730 = (SORT_730)-1 >> (sizeof(SORT_730) * 8 - 31); [L120] const SORT_730 msb_SORT_730 = (SORT_730)1 << (31 - 1); [L122] const SORT_775 mask_SORT_775 = (SORT_775)-1 >> (sizeof(SORT_775) * 8 - 33); [L123] const SORT_775 msb_SORT_775 = (SORT_775)1 << (33 - 1); [L125] const SORT_3152 mask_SORT_3152 = (SORT_3152)-1 >> (sizeof(SORT_3152) * 8 - 34); [L126] const SORT_3152 msb_SORT_3152 = (SORT_3152)1 << (34 - 1); [L128] const SORT_3 var_79 = 0; [L129] const SORT_11 var_89 = 0; [L130] const SORT_1 var_93 = 0; [L131] const SORT_3 var_120 = 1; [L132] const SORT_1 var_134 = 3; [L133] const SORT_1 var_136 = 2; [L134] const SORT_1 var_138 = 1; [L135] const SORT_29 var_142 = 1; [L136] const SORT_29 var_145 = 3; [L137] const SORT_29 var_148 = 2; [L138] const SORT_29 var_152 = 5; [L139] const SORT_29 var_155 = 7; [L140] const SORT_29 var_158 = 6; [L141] const SORT_29 var_162 = 4; [L142] const SORT_9 var_188 = 0; [L143] const SORT_36 var_209 = 11; [L144] const SORT_36 var_211 = 10; [L145] const SORT_36 var_213 = 2; [L146] const SORT_36 var_215 = 9; [L147] const SORT_36 var_230 = 21; [L148] const SORT_36 var_232 = 20; [L149] const SORT_36 var_234 = 19; [L150] const SORT_36 var_236 = 18; [L151] const SORT_36 var_238 = 17; [L152] const SORT_36 var_240 = 16; [L153] const SORT_36 var_242 = 15; [L154] const SORT_36 var_244 = 14; [L155] const SORT_36 var_246 = 8; [L156] const SORT_36 var_248 = 6; [L157] const SORT_36 var_250 = 3; [L158] const SORT_36 var_252 = 5; [L159] const SORT_36 var_270 = 4; [L160] const SORT_36 var_272 = 1; [L161] const SORT_36 var_282 = 7; [L162] const SORT_36 var_300 = 13; [L163] const SORT_36 var_308 = 12; [L164] const SORT_36 var_329 = 23; [L165] const SORT_36 var_332 = 22; [L166] const SORT_36 var_341 = 25; [L167] const SORT_36 var_344 = 27; [L168] const SORT_36 var_347 = 26; [L169] const SORT_36 var_351 = 29; [L170] const SORT_36 var_354 = 31; [L171] const SORT_36 var_357 = 30; [L172] const SORT_36 var_361 = 28; [L173] const SORT_36 var_367 = 24; [L174] const SORT_47 var_390 = 0; [L175] const SORT_9 var_466 = 3; [L176] const SORT_29 var_508 = 0; [L177] const SORT_650 var_651 = 0; [L178] const SORT_21 var_652 = 0; [L179] const SORT_775 var_776 = 0; [L180] const SORT_9 var_941 = 2; [L181] const SORT_9 var_944 = 1; [L182] const SORT_6 var_1384 = 8; [L183] const SORT_716 var_1392 = 0; [L184] const SORT_9 var_1473 = 255; [L185] const SORT_47 var_1477 = 1; [L186] const SORT_6 var_1593 = 0; [L187] const SORT_36 var_2505 = 0; [L188] const SORT_6 var_2532 = 1; [L189] const SORT_6 var_2535 = 3; [L190] const SORT_6 var_2538 = 2; [L191] const SORT_6 var_2542 = 5; [L192] const SORT_6 var_2545 = 7; [L193] const SORT_6 var_2548 = 6; [L194] const SORT_6 var_2552 = 4; [L195] const SORT_6 var_2558 = 9; [L196] const SORT_6 var_2561 = 11; [L197] const SORT_6 var_2564 = 10; [L198] const SORT_6 var_2568 = 13; [L199] const SORT_6 var_2571 = 15; [L200] const SORT_6 var_2574 = 14; [L201] const SORT_6 var_2578 = 12; [L202] const SORT_722 var_2764 = 0; [L203] const SORT_3152 var_3154 = 0; [L205] SORT_1 input_2; [L206] SORT_3 input_4; [L207] SORT_3 input_5; [L208] SORT_6 input_7; [L209] SORT_3 input_8; [L210] SORT_9 input_10; [L211] SORT_11 input_12; [L212] SORT_1 input_13; [L213] SORT_9 input_14; [L214] SORT_9 input_15; [L215] SORT_9 input_16; [L216] SORT_1 input_17; [L217] SORT_9 input_18; [L218] SORT_9 input_19; [L219] SORT_9 input_20; [L220] SORT_21 input_22; [L221] SORT_3 input_23; [L222] SORT_3 input_24; [L223] SORT_3 input_25; [L224] SORT_3 input_26; [L225] SORT_3 input_27; [L226] SORT_1 input_28; [L227] SORT_29 input_30; [L228] SORT_1 input_31; [L229] SORT_3 input_32; [L230] SORT_3 input_33; [L231] SORT_3 input_34; [L232] SORT_3 input_35; [L233] SORT_36 input_37; [L234] SORT_1 input_38; [L235] SORT_9 input_39; [L236] SORT_11 input_40; [L237] SORT_29 input_41; [L238] SORT_9 input_42; [L239] SORT_1 input_43; [L240] SORT_11 input_44; [L241] SORT_3 input_45; [L242] SORT_1 input_46; [L243] SORT_47 input_48; [L244] SORT_1 input_49; [L245] SORT_47 input_50; [L246] SORT_1 input_51; [L247] SORT_47 input_52; [L248] SORT_1 input_53; [L249] SORT_47 input_54; [L250] SORT_1 input_55; [L251] SORT_3 input_56; [L252] SORT_9 input_57; [L253] SORT_3 input_58; [L254] SORT_3 input_59; [L255] SORT_11 input_60; [L256] SORT_11 input_61; [L257] SORT_9 input_62; [L258] SORT_11 input_63; [L259] SORT_47 input_64; [L260] SORT_1 input_65; [L261] SORT_47 input_66; [L262] SORT_1 input_67; [L263] SORT_47 input_68; [L264] SORT_1 input_69; [L265] SORT_47 input_70; [L266] SORT_1 input_71; [L267] SORT_29 input_72; [L268] SORT_9 input_73; [L269] SORT_1 input_74; [L270] SORT_9 input_75; [L271] SORT_3 input_76; [L272] SORT_1 input_77; [L273] SORT_1 input_78; [L275] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L275] SORT_3 state_80 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L276] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L276] SORT_3 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L277] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L277] SORT_3 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L278] EXPR __VERIFIER_nondet_uint() & mask_SORT_11 [L278] SORT_11 state_90 = __VERIFIER_nondet_uint() & mask_SORT_11; [L279] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L279] SORT_1 state_94 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L280] EXPR __VERIFIER_nondet_uint() & mask_SORT_11 [L280] SORT_11 state_106 = __VERIFIER_nondet_uint() & mask_SORT_11; [L281] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L281] SORT_3 state_124 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L282] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L282] SORT_1 state_127 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L283] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L283] SORT_9 state_189 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L284] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L284] SORT_1 state_414 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L285] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L285] SORT_9 state_496 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L286] EXPR __VERIFIER_nondet_uchar() & mask_SORT_29 [L286] SORT_29 state_509 = __VERIFIER_nondet_uchar() & mask_SORT_29; [L287] EXPR __VERIFIER_nondet_uint() & mask_SORT_11 [L287] SORT_11 state_531 = __VERIFIER_nondet_uint() & mask_SORT_11; [L288] EXPR __VERIFIER_nondet_uchar() & mask_SORT_47 [L288] SORT_47 state_576 = __VERIFIER_nondet_uchar() & mask_SORT_47; [L289] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L289] SORT_1 state_579 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L290] EXPR __VERIFIER_nondet_uchar() & mask_SORT_47 [L290] SORT_47 state_582 = __VERIFIER_nondet_uchar() & mask_SORT_47; [L291] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L291] SORT_1 state_585 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L292] EXPR __VERIFIER_nondet_uchar() & mask_SORT_47 [L292] SORT_47 state_588 = __VERIFIER_nondet_uchar() & mask_SORT_47; [L293] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L293] SORT_1 state_591 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L294] EXPR __VERIFIER_nondet_uchar() & mask_SORT_47 [L294] SORT_47 state_594 = __VERIFIER_nondet_uchar() & mask_SORT_47; [L295] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L295] SORT_1 state_597 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L296] EXPR __VERIFIER_nondet_uchar() & mask_SORT_9 [L296] SORT_9 state_627 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L298] SORT_3 init_81_arg_1 = var_79; [L299] state_80 = init_81_arg_1 [L300] SORT_3 init_84_arg_1 = var_79; [L301] state_83 = init_84_arg_1 [L302] SORT_3 init_86_arg_1 = var_79; [L303] state_85 = init_86_arg_1 [L304] SORT_11 init_91_arg_1 = var_89; [L305] state_90 = init_91_arg_1 [L306] SORT_1 init_95_arg_1 = var_93; [L307] state_94 = init_95_arg_1 [L308] SORT_11 init_107_arg_1 = var_89; [L309] state_106 = init_107_arg_1 [L310] SORT_3 init_125_arg_1 = var_79; [L311] state_124 = init_125_arg_1 [L312] SORT_1 init_128_arg_1 = var_93; [L313] state_127 = init_128_arg_1 [L314] SORT_9 init_190_arg_1 = var_188; [L315] state_189 = init_190_arg_1 [L316] SORT_1 init_415_arg_1 = var_93; [L317] state_414 = init_415_arg_1 [L318] SORT_9 init_497_arg_1 = var_188; [L319] state_496 = init_497_arg_1 [L320] SORT_29 init_510_arg_1 = var_508; [L321] state_509 = init_510_arg_1 [L322] SORT_11 init_532_arg_1 = var_89; [L323] state_531 = init_532_arg_1 [L324] SORT_47 init_577_arg_1 = var_390; [L325] state_576 = init_577_arg_1 [L326] SORT_1 init_580_arg_1 = var_93; [L327] state_579 = init_580_arg_1 [L328] SORT_47 init_583_arg_1 = var_390; [L329] state_582 = init_583_arg_1 [L330] SORT_1 init_586_arg_1 = var_93; [L331] state_585 = init_586_arg_1 [L332] SORT_47 init_589_arg_1 = var_390; [L333] state_588 = init_589_arg_1 [L334] SORT_1 init_592_arg_1 = var_93; [L335] state_591 = init_592_arg_1 [L336] SORT_47 init_595_arg_1 = var_390; [L337] state_594 = init_595_arg_1 [L338] SORT_1 init_598_arg_1 = var_93; [L339] state_597 = init_598_arg_1 [L340] SORT_9 init_628_arg_1 = var_188; [L341] state_627 = init_628_arg_1 VAL [init_107_arg_1=0, init_125_arg_1=0, init_128_arg_1=0, init_190_arg_1=0, init_415_arg_1=0, init_497_arg_1=0, init_510_arg_1=0, init_532_arg_1=0, init_577_arg_1=0, init_580_arg_1=0, init_583_arg_1=0, init_586_arg_1=0, init_589_arg_1=0, init_592_arg_1=0, init_595_arg_1=0, init_598_arg_1=0, init_628_arg_1=0, init_81_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_91_arg_1=0, init_95_arg_1=0, mask_SORT_11=4294967295, mask_SORT_1=3, mask_SORT_21=4095, mask_SORT_259=127, mask_SORT_262=511, mask_SORT_264=1023, mask_SORT_266=2047, mask_SORT_29=7, mask_SORT_3152=17179869183, mask_SORT_36=31, mask_SORT_3=1, mask_SORT_47=63, mask_SORT_601=16383, mask_SORT_603=65535, mask_SORT_605=4194303, mask_SORT_607=16777215, mask_SORT_609=1073741823, mask_SORT_650=8191, mask_SORT_686=32767, mask_SORT_691=131071, mask_SORT_694=262143, mask_SORT_697=524287, mask_SORT_6=15, mask_SORT_700=1048575, mask_SORT_703=2097151, mask_SORT_708=8388607, mask_SORT_713=33554431, mask_SORT_716=67108863, mask_SORT_719=134217727, mask_SORT_722=268435455, mask_SORT_725=536870911, mask_SORT_730=2147483647, mask_SORT_775=8589934591, mask_SORT_9=255, msb_SORT_11=2147483648, msb_SORT_1=2, msb_SORT_21=2048, msb_SORT_259=64, msb_SORT_262=256, msb_SORT_264=512, msb_SORT_266=1024, msb_SORT_29=4, msb_SORT_3152=8589934592, msb_SORT_36=16, msb_SORT_3=1, msb_SORT_47=32, msb_SORT_601=8192, msb_SORT_603=32768, msb_SORT_605=2097152, msb_SORT_607=8388608, msb_SORT_609=536870912, msb_SORT_650=4096, msb_SORT_686=16384, msb_SORT_691=65536, msb_SORT_694=131072, msb_SORT_697=262144, msb_SORT_6=8, msb_SORT_700=524288, msb_SORT_703=1048576, msb_SORT_708=4194304, msb_SORT_713=16777216, msb_SORT_716=33554432, msb_SORT_719=67108864, msb_SORT_722=134217728, msb_SORT_725=268435456, msb_SORT_730=1073741824, msb_SORT_775=4294967296, msb_SORT_9=128, state_106=0, state_124=0, state_127=0, state_189=0, state_414=0, state_496=0, state_509=0, state_531=0, state_576=0, state_579=0, state_582=0, state_585=0, state_588=0, state_591=0, state_594=0, state_597=0, state_627=0, state_80=0, state_83=0, state_85=0, state_90=0, state_94=0, var_120=1, var_134=3, var_136=2, var_1384=8, var_138=1, var_1392=0, var_142=1, var_145=3, var_1473=255, var_1477=1, var_148=2, var_152=5, var_155=7, var_158=6, var_1593=0, var_162=4, var_188=0, var_209=11, var_211=10, var_213=2, var_215=9, var_230=21, var_232=20, var_234=19, var_236=18, var_238=17, var_240=16, var_242=15, var_244=14, var_246=8, var_248=6, var_2505=0, var_250=3, var_252=5, var_2532=1, var_2535=3, var_2538=2, var_2542=5, var_2545=7, var_2548=6, var_2552=4, var_2558=9, var_2561=11, var_2564=10, var_2568=13, var_2571=15, var_2574=14, var_2578=12, var_270=4, var_272=1, var_2764=0, var_282=7, var_300=13, var_308=12, var_3154=0, var_329=23, var_332=22, var_341=25, var_344=27, var_347=26, var_351=29, var_354=31, var_357=30, var_361=28, var_367=24, var_390=0, var_466=3, var_508=0, var_651=0, var_652=0, var_776=0, var_79=0, var_89=0, var_93=0, var_941=2, var_944=1] [L344] input_2 = __VERIFIER_nondet_uchar() [L345] EXPR input_2 & mask_SORT_1 [L345] input_2 = input_2 & mask_SORT_1 [L346] input_4 = __VERIFIER_nondet_uchar() [L347] input_5 = __VERIFIER_nondet_uchar() [L348] EXPR input_5 & mask_SORT_3 [L348] input_5 = input_5 & mask_SORT_3 [L349] input_7 = __VERIFIER_nondet_uchar() [L350] EXPR input_7 & mask_SORT_6 [L350] input_7 = input_7 & mask_SORT_6 [L351] input_8 = __VERIFIER_nondet_uchar() [L352] EXPR input_8 & mask_SORT_3 [L352] input_8 = input_8 & mask_SORT_3 [L353] input_10 = __VERIFIER_nondet_uchar() [L354] input_12 = __VERIFIER_nondet_uint() [L355] input_13 = __VERIFIER_nondet_uchar() [L356] EXPR input_13 & mask_SORT_1 [L356] input_13 = input_13 & mask_SORT_1 [L357] input_14 = __VERIFIER_nondet_uchar() [L358] input_15 = __VERIFIER_nondet_uchar() [L359] input_16 = __VERIFIER_nondet_uchar() [L360] input_17 = __VERIFIER_nondet_uchar() [L361] EXPR input_17 & mask_SORT_1 [L361] input_17 = input_17 & mask_SORT_1 [L362] input_18 = __VERIFIER_nondet_uchar() [L363] input_19 = __VERIFIER_nondet_uchar() [L364] input_20 = __VERIFIER_nondet_uchar() [L365] input_22 = __VERIFIER_nondet_ushort() [L366] input_23 = __VERIFIER_nondet_uchar() [L367] EXPR input_23 & mask_SORT_3 [L367] input_23 = input_23 & mask_SORT_3 [L368] input_24 = __VERIFIER_nondet_uchar() [L369] EXPR input_24 & mask_SORT_3 [L369] input_24 = input_24 & mask_SORT_3 [L370] input_25 = __VERIFIER_nondet_uchar() [L371] input_26 = __VERIFIER_nondet_uchar() [L372] EXPR input_26 & mask_SORT_3 [L372] input_26 = input_26 & mask_SORT_3 [L373] input_27 = __VERIFIER_nondet_uchar() [L374] EXPR input_27 & mask_SORT_3 [L374] input_27 = input_27 & mask_SORT_3 [L375] input_28 = __VERIFIER_nondet_uchar() [L376] EXPR input_28 & mask_SORT_1 [L376] input_28 = input_28 & mask_SORT_1 [L377] input_30 = __VERIFIER_nondet_uchar() [L378] EXPR input_30 & mask_SORT_29 [L378] input_30 = input_30 & mask_SORT_29 [L379] input_31 = __VERIFIER_nondet_uchar() [L380] EXPR input_31 & mask_SORT_1 [L380] input_31 = input_31 & mask_SORT_1 [L381] input_32 = __VERIFIER_nondet_uchar() [L382] EXPR input_32 & mask_SORT_3 [L382] input_32 = input_32 & mask_SORT_3 [L383] input_33 = __VERIFIER_nondet_uchar() [L384] input_34 = __VERIFIER_nondet_uchar() [L385] input_35 = __VERIFIER_nondet_uchar() [L386] EXPR input_35 & mask_SORT_3 [L386] input_35 = input_35 & mask_SORT_3 [L387] input_37 = __VERIFIER_nondet_uchar() [L388] EXPR input_37 & mask_SORT_36 [L388] input_37 = input_37 & mask_SORT_36 [L389] input_38 = __VERIFIER_nondet_uchar() [L390] input_39 = __VERIFIER_nondet_uchar() [L391] input_40 = __VERIFIER_nondet_uint() [L392] input_41 = __VERIFIER_nondet_uchar() [L393] input_42 = __VERIFIER_nondet_uchar() [L394] input_43 = __VERIFIER_nondet_uchar() [L395] input_44 = __VERIFIER_nondet_uint() [L396] input_45 = __VERIFIER_nondet_uchar() [L397] input_46 = __VERIFIER_nondet_uchar() [L398] input_48 = __VERIFIER_nondet_uchar() [L399] input_49 = __VERIFIER_nondet_uchar() [L400] input_50 = __VERIFIER_nondet_uchar() [L401] input_51 = __VERIFIER_nondet_uchar() [L402] input_52 = __VERIFIER_nondet_uchar() [L403] input_53 = __VERIFIER_nondet_uchar() [L404] input_54 = __VERIFIER_nondet_uchar() [L405] input_55 = __VERIFIER_nondet_uchar() [L406] input_56 = __VERIFIER_nondet_uchar() [L407] input_57 = __VERIFIER_nondet_uchar() [L408] input_58 = __VERIFIER_nondet_uchar() [L409] input_59 = __VERIFIER_nondet_uchar() [L410] input_60 = __VERIFIER_nondet_uint() [L411] input_61 = __VERIFIER_nondet_uint() [L412] input_62 = __VERIFIER_nondet_uchar() [L413] input_63 = __VERIFIER_nondet_uint() [L414] input_64 = __VERIFIER_nondet_uchar() [L415] input_65 = __VERIFIER_nondet_uchar() [L416] input_66 = __VERIFIER_nondet_uchar() [L417] input_67 = __VERIFIER_nondet_uchar() [L418] input_68 = __VERIFIER_nondet_uchar() [L419] input_69 = __VERIFIER_nondet_uchar() [L420] input_70 = __VERIFIER_nondet_uchar() [L421] input_71 = __VERIFIER_nondet_uchar() [L422] input_72 = __VERIFIER_nondet_uchar() [L423] input_73 = __VERIFIER_nondet_uchar() [L424] input_74 = __VERIFIER_nondet_uchar() [L425] input_75 = __VERIFIER_nondet_uchar() [L426] input_76 = __VERIFIER_nondet_uchar() [L427] input_77 = __VERIFIER_nondet_uchar() [L428] input_78 = __VERIFIER_nondet_uchar() [L431] SORT_3 var_82_arg_0 = state_80; [L432] SORT_3 var_82 = ~var_82_arg_0; [L433] SORT_3 var_87_arg_0 = state_85; [L434] SORT_3 var_87_arg_1 = state_83; [L435] SORT_3 var_87_arg_2 = input_45; [L436] SORT_3 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L437] SORT_3 var_96_arg_0 = state_85; [L438] SORT_1 var_96_arg_1 = state_94; [L439] SORT_1 var_96_arg_2 = input_43; [L440] SORT_1 var_96 = var_96_arg_0 ? var_96_arg_1 : var_96_arg_2; [L441] SORT_1 var_99_arg_0 = var_96; [L442] SORT_3 var_99 = var_99_arg_0 >> 0; [L443] EXPR var_99 & mask_SORT_3 [L443] var_99 = var_99 & mask_SORT_3 [L444] SORT_1 var_97_arg_0 = var_96; [L445] SORT_3 var_97 = var_97_arg_0 >> 1; [L446] EXPR var_97 & mask_SORT_3 [L446] var_97 = var_97 & mask_SORT_3 [L447] SORT_3 var_92_arg_0 = state_85; [L448] SORT_11 var_92_arg_1 = state_90; [L449] SORT_11 var_92_arg_2 = input_44; [L450] SORT_11 var_92 = var_92_arg_0 ? var_92_arg_1 : var_92_arg_2; [L451] SORT_3 var_98_arg_0 = var_97; [L452] SORT_11 var_98_arg_1 = var_92; [L453] SORT_11 var_98_arg_2 = var_89; [L454] SORT_11 var_98 = var_98_arg_0 ? var_98_arg_1 : var_98_arg_2; [L455] SORT_3 var_100_arg_0 = var_99; [L456] SORT_11 var_100_arg_1 = var_89; [L457] SORT_11 var_100_arg_2 = var_98; [L458] SORT_11 var_100 = var_100_arg_0 ? var_100_arg_1 : var_100_arg_2; [L459] EXPR var_100 & mask_SORT_11 [L459] var_100 = var_100 & mask_SORT_11 [L460] SORT_11 var_101_arg_0 = var_100; [L461] SORT_3 var_101 = var_101_arg_0 >> 0; [L462] EXPR var_101 & mask_SORT_3 [L462] var_101 = var_101 & mask_SORT_3 [L463] SORT_3 var_102_arg_0 = var_87; [L464] SORT_3 var_102_arg_1 = var_101; [L465] EXPR ((SORT_1)var_102_arg_0 << 1) | var_102_arg_1 [L465] SORT_1 var_102 = ((SORT_1)var_102_arg_0 << 1) | var_102_arg_1; [L466] EXPR var_102 & mask_SORT_1 [L466] var_102 = var_102 & mask_SORT_1 [L467] SORT_1 var_103_arg_0 = var_102; [L468] SORT_3 var_103 = var_103_arg_0 == mask_SORT_1; [L469] SORT_3 var_88_arg_0 = var_87; [L470] SORT_3 var_88 = ~var_88_arg_0; [L471] EXPR var_88 & mask_SORT_3 [L471] var_88 = var_88 & mask_SORT_3 [L472] SORT_3 var_104_arg_0 = var_103; [L473] SORT_3 var_104_arg_1 = var_88; [L474] EXPR ((SORT_1)var_104_arg_0 << 1) | var_104_arg_1 [L474] SORT_1 var_104 = ((SORT_1)var_104_arg_0 << 1) | var_104_arg_1; [L475] EXPR var_104 & mask_SORT_1 [L475] var_104 = var_104 & mask_SORT_1 [L476] SORT_1 var_105_arg_0 = var_104; [L477] SORT_3 var_105 = var_105_arg_0 != 0; [L478] SORT_3 var_108_arg_0 = state_85; [L479] SORT_11 var_108_arg_1 = state_106; [L480] SORT_11 var_108_arg_2 = input_44; [L481] SORT_11 var_108 = var_108_arg_0 ? var_108_arg_1 : var_108_arg_2; [L482] SORT_3 var_109_arg_0 = var_97; [L483] SORT_11 var_109_arg_1 = var_108; [L484] SORT_11 var_109_arg_2 = var_89; [L485] SORT_11 var_109 = var_109_arg_0 ? var_109_arg_1 : var_109_arg_2; [L486] SORT_3 var_110_arg_0 = var_99; [L487] SORT_11 var_110_arg_1 = var_89; [L488] SORT_11 var_110_arg_2 = var_109; [L489] SORT_11 var_110 = var_110_arg_0 ? var_110_arg_1 : var_110_arg_2; [L490] SORT_11 var_111_arg_0 = var_110; [L491] SORT_3 var_111 = var_111_arg_0 >> 0; [L492] EXPR var_111 & mask_SORT_3 [L492] var_111 = var_111 & mask_SORT_3 [L493] SORT_3 var_112_arg_0 = var_87; [L494] SORT_3 var_112_arg_1 = var_111; [L495] EXPR ((SORT_1)var_112_arg_0 << 1) | var_112_arg_1 [L495] SORT_1 var_112 = ((SORT_1)var_112_arg_0 << 1) | var_112_arg_1; [L496] EXPR var_112 & mask_SORT_1 [L496] var_112 = var_112 & mask_SORT_1 [L497] SORT_1 var_113_arg_0 = var_112; [L498] SORT_3 var_113 = var_113_arg_0 == mask_SORT_1; [L499] SORT_3 var_114_arg_0 = var_113; [L500] SORT_3 var_114_arg_1 = var_88; [L501] EXPR ((SORT_1)var_114_arg_0 << 1) | var_114_arg_1 [L501] SORT_1 var_114 = ((SORT_1)var_114_arg_0 << 1) | var_114_arg_1; [L502] EXPR var_114 & mask_SORT_1 [L502] var_114 = var_114 & mask_SORT_1 [L503] SORT_1 var_115_arg_0 = var_114; [L504] SORT_3 var_115 = var_115_arg_0 != 0; [L505] SORT_3 var_116_arg_0 = var_105; [L506] SORT_3 var_116_arg_1 = var_115; [L507] SORT_3 var_116 = var_116_arg_0 == var_116_arg_1; [L508] SORT_3 var_117_arg_0 = var_82; [L509] SORT_3 var_117_arg_1 = var_116; [L510] EXPR var_117_arg_0 | var_117_arg_1 [L510] SORT_3 var_117 = var_117_arg_0 | var_117_arg_1; [L511] SORT_3 var_121_arg_0 = var_117; [L512] SORT_3 var_121 = ~var_121_arg_0; [L513] SORT_3 var_122_arg_0 = var_120; [L514] SORT_3 var_122_arg_1 = var_121; [L515] EXPR var_122_arg_0 & var_122_arg_1 [L515] SORT_3 var_122 = var_122_arg_0 & var_122_arg_1; [L516] EXPR var_122 & mask_SORT_3 [L516] var_122 = var_122 & mask_SORT_3 [L517] SORT_3 bad_123_arg_0 = var_122; [L518] CALL __VERIFIER_assert(!(bad_123_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2023-12-02 14:07:41,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal28.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a7fbb529a976040c89cd70a0b8d5b61be73ce36c7349c078c8ffac4cad389477 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:07:44,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:07:44,326 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-12-02 14:07:44,332 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:07:44,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:07:44,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:07:44,363 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:07:44,363 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:07:44,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:07:44,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:07:44,365 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:07:44,365 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:07:44,366 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:07:44,367 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:07:44,367 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:07:44,368 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:07:44,369 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:07:44,369 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:07:44,370 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:07:44,370 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:07:44,371 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:07:44,373 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:07:44,373 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 14:07:44,374 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 14:07:44,374 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 14:07:44,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:07:44,375 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:07:44,375 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:07:44,376 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 14:07:44,376 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:07:44,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:07:44,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:07:44,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:07:44,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:07:44,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:07:44,378 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 14:07:44,378 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 14:07:44,378 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:07:44,379 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:07:44,379 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:07:44,379 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:07:44,379 INFO L153 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_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7fbb529a976040c89cd70a0b8d5b61be73ce36c7349c078c8ffac4cad389477 [2023-12-02 14:07:44,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:07:44,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:07:44,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:07:44,689 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:07:44,689 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:07:44,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal28.c [2023-12-02 14:07:47,467 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:07:48,004 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:07:48,005 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal28.c [2023-12-02 14:07:48,059 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/data/0c23d43f8/e0b96bb4318e464a8ad3545d8c7e77d7/FLAG0d6b969f5 [2023-12-02 14:07:48,074 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/data/0c23d43f8/e0b96bb4318e464a8ad3545d8c7e77d7 [2023-12-02 14:07:48,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:07:48,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:07:48,079 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:07:48,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:07:48,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:07:48,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:07:48" (1/1) ... [2023-12-02 14:07:48,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12f194f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:48, skipping insertion in model container [2023-12-02 14:07:48,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:07:48" (1/1) ... [2023-12-02 14:07:48,248 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:07:48,528 WARN L240 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_c9d5beac-987a-4e3a-a4dc-df9bdb944110/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal28.c[1245,1258] [2023-12-02 14:07:49,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:07:49,437 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:07:49,450 WARN L240 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_c9d5beac-987a-4e3a-a4dc-df9bdb944110/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal28.c[1245,1258] [2023-12-02 14:07:50,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:07:50,102 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:07:50,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:50 WrapperNode [2023-12-02 14:07:50,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:07:50,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:07:50,104 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:07:50,104 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:07:50,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:50" (1/1) ... [2023-12-02 14:07:50,236 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:50" (1/1) ... [2023-12-02 14:07:50,660 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10895 [2023-12-02 14:07:50,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:07:50,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:07:50,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:07:50,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:07:50,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:50" (1/1) ... [2023-12-02 14:07:50,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:50" (1/1) ... [2023-12-02 14:07:50,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:50" (1/1) ... [2023-12-02 14:07:50,722 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:50" (1/1) ... [2023-12-02 14:07:50,926 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:50" (1/1) ... [2023-12-02 14:07:50,957 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:50" (1/1) ... [2023-12-02 14:07:51,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:50" (1/1) ... [2023-12-02 14:07:51,029 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:50" (1/1) ... [2023-12-02 14:07:51,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:07:51,087 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:07:51,087 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:07:51,087 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:07:51,088 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:50" (1/1) ... [2023-12-02 14:07:51,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:07:51,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:07:51,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:07:51,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:07:51,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:07:51,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 14:07:51,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:07:51,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:07:52,348 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:07:52,349 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:08:44,384 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:08:44,753 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:08:44,753 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:08:44,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:08:44 BoogieIcfgContainer [2023-12-02 14:08:44,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:08:44,756 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:08:44,757 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:08:44,760 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:08:44,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:07:48" (1/3) ... [2023-12-02 14:08:44,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62cab4d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:08:44, skipping insertion in model container [2023-12-02 14:08:44,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:07:50" (2/3) ... [2023-12-02 14:08:44,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62cab4d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:08:44, skipping insertion in model container [2023-12-02 14:08:44,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:08:44" (3/3) ... [2023-12-02 14:08:44,763 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal28.c [2023-12-02 14:08:44,781 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:08:44,781 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:08:44,827 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:08:44,834 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@4d5b03d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:08:44,834 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:08:44,838 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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) [2023-12-02 14:08:44,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 14:08:44,843 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:08:44,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 14:08:44,844 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:08:44,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:08:44,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-02 14:08:44,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:08:44,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [706212451] [2023-12-02 14:08:44,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:08:44,865 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 [2023-12-02 14:08:44,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:08:44,867 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 14:08:44,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 14:08:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:08:46,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 14:08:46,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:08:46,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:08:46,421 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:08:46,422 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:08:46,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [706212451] [2023-12-02 14:08:46,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [706212451] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:08:46,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:08:46,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:08:46,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308416238] [2023-12-02 14:08:46,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:08:46,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 14:08:46,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:08:46,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 14:08:46,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 14:08:46,458 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-12-02 14:08:49,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:08:51,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:08:53,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:08:55,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:08:57,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:08:57,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:08:57,757 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-12-02 14:08:57,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 14:08:57,829 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2023-12-02 14:08:57,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:08:57,835 INFO L225 Difference]: With dead ends: 16 [2023-12-02 14:08:57,835 INFO L226 Difference]: Without dead ends: 9 [2023-12-02 14:08:57,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:08:57,839 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2023-12-02 14:08:57,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 7 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 5 Unknown, 0 Unchecked, 11.2s Time] [2023-12-02 14:08:57,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-12-02 14:08:57,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-12-02 14:08:57,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2023-12-02 14:08:57,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-12-02 14:08:57,861 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-12-02 14:08:57,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:08:57,862 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-12-02 14:08:57,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-12-02 14:08:57,862 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-12-02 14:08:57,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 14:08:57,862 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:08:57,863 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-12-02 14:08:57,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:08:58,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 14:08:58,064 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:08:58,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:08:58,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-12-02 14:08:58,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:08:58,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776534977] [2023-12-02 14:08:58,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:08:58,072 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 [2023-12-02 14:08:58,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:08:58,073 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 14:08:58,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 14:10:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:10:03,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 9079 conjuncts, 77 conjunts are in the unsatisfiable core [2023-12-02 14:10:03,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:10:04,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:10:04,562 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:10:25,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:10:25,461 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:10:25,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1776534977] [2023-12-02 14:10:25,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1776534977] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:10:25,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1320388351] [2023-12-02 14:10:25,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:10:25,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:10:25,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:10:25,477 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:10:25,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 14:10:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:10:37,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 9079 conjuncts, 88 conjunts are in the unsatisfiable core [2023-12-02 14:10:37,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:10:38,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:10:38,552 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:11:03,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:11:03,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1320388351] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:11:03,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155964690] [2023-12-02 14:11:03,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:11:03,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:11:03,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:11:03,482 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:11:03,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 14:11:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:11:06,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 9079 conjuncts, 84 conjunts are in the unsatisfiable core [2023-12-02 14:11:06,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:11:07,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:11:07,686 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:11:51,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:11:51,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155964690] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:11:51,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 14:11:51,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 5, 4, 5, 5] total 16 [2023-12-02 14:11:51,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443694079] [2023-12-02 14:11:51,256 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 14:11:51,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 14:11:51,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:11:51,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 14:11:51,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=185, Unknown=21, NotChecked=0, Total=272 [2023-12-02 14:11:51,258 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 16 states have internal predecessors, (31), 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) [2023-12-02 14:11:54,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:11:56,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:11:58,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:12:00,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:12:02,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:12:04,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:12:06,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:12:08,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:12:10,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:12:12,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:12:14,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:12:16,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:12:19,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:12:21,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:12:23,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:12:25,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:12:27,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:12:29,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:12:31,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:12:33,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:12:35,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:12:37,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:12:39,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:12:41,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:12:43,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:12:45,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:12:47,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:12:49,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:12:52,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:12:54,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:12:56,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:12:58,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:13:00,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:13:02,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:13:04,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:13:06,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:13:08,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:13:10,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:13:12,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:13:14,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:13:16,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:13:18,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 14:13:20,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:13:20,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:13:20,580 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-12-02 14:13:20,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 14:13:20,654 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 16 states have internal predecessors, (31), 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 7 [2023-12-02 14:13:20,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:13:20,655 INFO L225 Difference]: With dead ends: 14 [2023-12-02 14:13:20,655 INFO L226 Difference]: Without dead ends: 12 [2023-12-02 14:13:20,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 57.7s TimeCoverageRelationStatistics Valid=107, Invalid=252, Unknown=21, NotChecked=0, Total=380 [2023-12-02 14:13:20,657 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 16 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 43 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 88.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 43 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 88.7s IncrementalHoareTripleChecker+Time [2023-12-02 14:13:20,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 18 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 43 Unknown, 0 Unchecked, 88.7s Time] [2023-12-02 14:13:20,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-12-02 14:13:20,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-12-02 14:13:20,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 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) [2023-12-02 14:13:20,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-12-02 14:13:20,662 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-12-02 14:13:20,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:13:20,662 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-12-02 14:13:20,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 16 states have internal predecessors, (31), 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) [2023-12-02 14:13:20,662 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-12-02 14:13:20,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 14:13:20,663 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:13:20,663 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2023-12-02 14:13:20,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 14:13:20,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 14:13:21,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 14:13:21,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 14:13:21,264 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:13:21,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:13:21,265 INFO L85 PathProgramCache]: Analyzing trace with hash -2112524529, now seen corresponding path program 2 times [2023-12-02 14:13:21,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:13:21,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1948761215] [2023-12-02 14:13:21,279 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-02 14:13:21,279 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 [2023-12-02 14:13:21,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:13:21,280 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 14:13:21,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d5beac-987a-4e3a-a4dc-df9bdb944110/bin/utaipan-verify-nQ1chXbOIh/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 (6)] Waiting until timeout for monitored process [2023-12-02 14:17:52,966 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-02 14:17:52,966 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-02 14:17:53,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 17854 conjuncts, 317 conjunts are in the unsatisfiable core [2023-12-02 14:17:53,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:18:21,814 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:18:21,814 INFO L327 TraceCheckSpWp]: Computing backward predicates...