./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ --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 32bit --witnessprinter.graph.data.programhash 86663a1cbbd8911dd5f20f51fde174aa6fa49f328dd842d1c9d2dbaf89183ee7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:13:36,023 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:13:36,145 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:13:36,153 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:13:36,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:13:36,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:13:36,206 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:13:36,207 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:13:36,207 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:13:36,212 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:13:36,213 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:13:36,214 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:13:36,215 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:13:36,216 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:13:36,217 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:13:36,217 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:13:36,218 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:13:36,218 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:13:36,219 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:13:36,219 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:13:36,221 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:13:36,222 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:13:36,223 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:13:36,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:13:36,224 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:13:36,224 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:13:36,224 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:13:36,225 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:13:36,225 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:13:36,226 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:13:36,227 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:13:36,227 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:13:36,228 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:13:36,228 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:13:36,228 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:13:36,228 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:13:36,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:13:36,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:13:36,229 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:13:36,229 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:13:36,230 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:13:36,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:13:36,231 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:13:36,231 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:13:36,231 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:13:36,232 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_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86663a1cbbd8911dd5f20f51fde174aa6fa49f328dd842d1c9d2dbaf89183ee7 [2023-11-19 05:13:36,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:13:36,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:13:36,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:13:36,614 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:13:36,614 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:13:36,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i [2023-11-19 05:13:39,708 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:13:39,994 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:13:39,994 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i [2023-11-19 05:13:40,020 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/data/9370c60e8/82c5107051a5484c8e011329fb9f7e69/FLAG0badf12bb [2023-11-19 05:13:40,061 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/data/9370c60e8/82c5107051a5484c8e011329fb9f7e69 [2023-11-19 05:13:40,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:13:40,066 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:13:40,067 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:13:40,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:13:40,073 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:13:40,074 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:13:40" (1/1) ... [2023-11-19 05:13:40,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f92a966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:40, skipping insertion in model container [2023-11-19 05:13:40,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:13:40" (1/1) ... [2023-11-19 05:13:40,120 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:13:40,273 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_b62d612c-692e-4903-9369-ea806e98255a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i[916,929] [2023-11-19 05:13:40,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:13:40,385 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:13:40,405 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_b62d612c-692e-4903-9369-ea806e98255a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i[916,929] [2023-11-19 05:13:40,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:13:40,517 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:13:40,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:40 WrapperNode [2023-11-19 05:13:40,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:13:40,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:13:40,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:13:40,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:13:40,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:40" (1/1) ... [2023-11-19 05:13:40,543 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:40" (1/1) ... [2023-11-19 05:13:40,594 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 235 [2023-11-19 05:13:40,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:13:40,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:13:40,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:13:40,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:13:40,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:40" (1/1) ... [2023-11-19 05:13:40,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:40" (1/1) ... [2023-11-19 05:13:40,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:40" (1/1) ... [2023-11-19 05:13:40,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:40" (1/1) ... [2023-11-19 05:13:40,630 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:40" (1/1) ... [2023-11-19 05:13:40,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:40" (1/1) ... [2023-11-19 05:13:40,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:40" (1/1) ... [2023-11-19 05:13:40,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:40" (1/1) ... [2023-11-19 05:13:40,650 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:13:40,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:13:40,652 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:13:40,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:13:40,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:40" (1/1) ... [2023-11-19 05:13:40,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:13:40,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:13:40,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:13:40,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:13:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:13:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:13:40,731 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:13:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:13:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:13:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:13:40,834 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:13:40,837 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:13:41,455 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:13:41,918 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:13:41,919 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:13:41,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:41 BoogieIcfgContainer [2023-11-19 05:13:41,925 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:13:41,928 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:13:41,928 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:13:41,932 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:13:41,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:13:40" (1/3) ... [2023-11-19 05:13:41,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5defb897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:13:41, skipping insertion in model container [2023-11-19 05:13:41,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:40" (2/3) ... [2023-11-19 05:13:41,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5defb897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:13:41, skipping insertion in model container [2023-11-19 05:13:41,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:41" (3/3) ... [2023-11-19 05:13:41,940 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-17.i [2023-11-19 05:13:41,960 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:13:41,961 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:13:42,023 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:13:42,029 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;@66b7b745, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:13:42,030 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:13:42,035 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 05:13:42,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-19 05:13:42,048 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:42,049 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:13:42,050 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:13:42,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:42,056 INFO L85 PathProgramCache]: Analyzing trace with hash 231453889, now seen corresponding path program 1 times [2023-11-19 05:13:42,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:13:42,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934498727] [2023-11-19 05:13:42,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:42,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:13:42,236 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:13:42,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1158177097] [2023-11-19 05:13:42,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:42,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:13:42,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:13:42,240 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:13:42,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:13:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:13:42,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:13:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:13:43,469 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:13:43,471 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:13:43,473 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:13:43,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:13:43,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:13:43,687 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:13:43,701 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:13:43,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:13:43 BoogieIcfgContainer [2023-11-19 05:13:43,873 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:13:43,874 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:13:43,874 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:13:43,875 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:13:43,875 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:13:41" (3/4) ... [2023-11-19 05:13:43,877 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:13:43,878 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:13:43,879 INFO L158 Benchmark]: Toolchain (without parser) took 3813.50ms. Allocated memory is still 155.2MB. Free memory was 127.2MB in the beginning and 101.9MB in the end (delta: 25.3MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2023-11-19 05:13:43,880 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:13:43,881 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.71ms. Allocated memory is still 155.2MB. Free memory was 127.2MB in the beginning and 110.6MB in the end (delta: 16.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:13:43,882 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.14ms. Allocated memory is still 155.2MB. Free memory was 110.6MB in the beginning and 104.9MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 05:13:43,887 INFO L158 Benchmark]: Boogie Preprocessor took 55.37ms. Allocated memory is still 155.2MB. Free memory was 104.9MB in the beginning and 102.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:13:43,888 INFO L158 Benchmark]: RCFGBuilder took 1273.65ms. Allocated memory is still 155.2MB. Free memory was 102.2MB in the beginning and 87.1MB in the end (delta: 15.2MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. [2023-11-19 05:13:43,889 INFO L158 Benchmark]: TraceAbstraction took 1945.57ms. Allocated memory is still 155.2MB. Free memory was 86.3MB in the beginning and 101.9MB in the end (delta: -15.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:13:43,889 INFO L158 Benchmark]: Witness Printer took 3.94ms. Allocated memory is still 155.2MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:13:43,897 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.71ms. Allocated memory is still 155.2MB. Free memory was 127.2MB in the beginning and 110.6MB in the end (delta: 16.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.14ms. Allocated memory is still 155.2MB. Free memory was 110.6MB in the beginning and 104.9MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.37ms. Allocated memory is still 155.2MB. Free memory was 104.9MB in the beginning and 102.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1273.65ms. Allocated memory is still 155.2MB. Free memory was 102.2MB in the beginning and 87.1MB in the end (delta: 15.2MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1945.57ms. Allocated memory is still 155.2MB. Free memory was 86.3MB in the beginning and 101.9MB in the end (delta: -15.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.94ms. Allocated memory is still 155.2MB. Free memory is still 101.9MB. 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: 19]: 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 someBinaryArithmeticDOUBLEoperation at line 77, overapproximation of someBinaryFLOATComparisonOperation at line 178, overapproximation of bitwiseOr at line 101, overapproximation of bitwiseAnd at line 113, overapproximation of someUnaryDOUBLEoperation at line 114, overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of someBinaryArithmeticFLOAToperation at line 84. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_8 = 0; [L24] unsigned char var_1_9 = 1; [L25] signed short int var_1_10 = 1000; [L26] signed long int var_1_11 = -10; [L27] signed short int var_1_12 = 16; [L28] signed short int var_1_14 = 0; [L29] double var_1_16 = 7.3; [L30] double var_1_17 = 0.2; [L31] float var_1_18 = 3.5; [L32] float var_1_19 = 128.2; [L33] float var_1_20 = 5.8; [L34] signed char var_1_21 = 16; [L35] unsigned char var_1_22 = 1; [L36] signed long int var_1_23 = -128; [L37] unsigned short int var_1_24 = 128; [L38] float var_1_26 = 31.25; [L39] float var_1_27 = 0.6; [L40] float var_1_28 = 127.2; [L41] float var_1_29 = 128.18; [L42] float var_1_30 = 31.8; [L43] unsigned char var_1_31 = 25; [L44] unsigned char var_1_33 = 5; [L45] unsigned char var_1_34 = 2; [L46] unsigned char var_1_35 = 128; [L47] unsigned char last_1_var_1_1 = 1; [L48] signed short int last_1_var_1_14 = 0; [L49] signed long int last_1_var_1_23 = -128; [L50] unsigned char last_1_var_1_31 = 25; [L182] isInitial = 1 [L183] FCALL initially() [L184] int k_loop; [L185] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L185] COND TRUE k_loop < 1 [L186] CALL updateLastVariables() [L172] last_1_var_1_1 = var_1_1 [L173] last_1_var_1_14 = var_1_14 [L174] last_1_var_1_23 = var_1_23 [L175] last_1_var_1_31 = var_1_31 [L186] RET updateLastVariables() [L187] CALL updateVariables() [L132] var_1_8 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_9=1] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_9=1] [L134] CALL assume_abort_if_not(var_1_8 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_8 <= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L135] var_1_9 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L137] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L138] var_1_11 = __VERIFIER_nondet_long() [L139] CALL assume_abort_if_not(var_1_11 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_11 >= -2147483648) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L140] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L141] CALL assume_abort_if_not(var_1_11 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_11 != 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L142] var_1_12 = __VERIFIER_nondet_short() [L143] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L144] CALL assume_abort_if_not(var_1_12 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_12 <= 32766) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L145] var_1_17 = __VERIFIER_nondet_double() [L146] CALL assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L147] var_1_19 = __VERIFIER_nondet_float() [L148] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L149] var_1_21 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_21 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_21 >= -128) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L151] CALL assume_abort_if_not(var_1_21 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_21 <= 127) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L152] CALL assume_abort_if_not(var_1_21 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_21 != 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L153] var_1_27 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_27 >= -115292.1504606845700e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 1152921.504606845700e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=4, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_27 >= -115292.1504606845700e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 1152921.504606845700e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=4, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L155] var_1_28 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_28 >= -115292.1504606845700e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 1152921.504606845700e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=4, var_1_28=5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_28 >= -115292.1504606845700e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 1152921.504606845700e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=4, var_1_28=5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L157] var_1_29 = __VERIFIER_nondet_float() [L158] CALL assume_abort_if_not((var_1_29 >= 0.0F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854765600e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=4, var_1_28=5, var_1_29=6, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_29 >= 0.0F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854765600e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=4, var_1_28=5, var_1_29=6, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L159] var_1_30 = __VERIFIER_nondet_float() [L160] CALL assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854765600e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=4, var_1_28=5, var_1_29=6, var_1_30=7, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854765600e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=4, var_1_28=5, var_1_29=6, var_1_30=7, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L161] var_1_33 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=4, var_1_28=5, var_1_29=6, var_1_30=7, var_1_31=25, var_1_33=64, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=4, var_1_28=5, var_1_29=6, var_1_30=7, var_1_31=25, var_1_33=64, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L163] CALL assume_abort_if_not(var_1_33 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=4, var_1_28=5, var_1_29=6, var_1_30=7, var_1_31=25, var_1_33=64, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_33 <= 64) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=4, var_1_28=5, var_1_29=6, var_1_30=7, var_1_31=25, var_1_33=64, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L164] var_1_34 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=4, var_1_28=5, var_1_29=6, var_1_30=7, var_1_31=25, var_1_33=64, var_1_34=0, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=4, var_1_28=5, var_1_29=6, var_1_30=7, var_1_31=25, var_1_33=64, var_1_34=0, var_1_35=128, var_1_8=0, var_1_9=1] [L166] CALL assume_abort_if_not(var_1_34 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=4, var_1_28=5, var_1_29=6, var_1_30=7, var_1_31=25, var_1_33=64, var_1_34=0, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_34 <= 63) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=4, var_1_28=5, var_1_29=6, var_1_30=7, var_1_31=25, var_1_33=64, var_1_34=0, var_1_35=128, var_1_8=0, var_1_9=1] [L167] var_1_35 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_35 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=4, var_1_28=5, var_1_29=6, var_1_30=7, var_1_31=25, var_1_33=64, var_1_34=0, var_1_35=127, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_35 >= 127) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=4, var_1_28=5, var_1_29=6, var_1_30=7, var_1_31=25, var_1_33=64, var_1_34=0, var_1_35=127, var_1_8=0, var_1_9=1] [L169] CALL assume_abort_if_not(var_1_35 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=4, var_1_28=5, var_1_29=6, var_1_30=7, var_1_31=25, var_1_33=64, var_1_34=0, var_1_35=127, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_35 <= 254) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-127, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=2, var_1_18=7/2, var_1_19=3, var_1_1=1, var_1_20=29/5, var_1_21=47, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=4, var_1_28=5, var_1_29=6, var_1_30=7, var_1_31=25, var_1_33=64, var_1_34=0, var_1_35=127, var_1_8=0, var_1_9=1] [L187] RET updateVariables() [L188] CALL step() [L54] COND TRUE (-16 * last_1_var_1_23) > (((((last_1_var_1_23) < (last_1_var_1_23)) ? (last_1_var_1_23) : (last_1_var_1_23))) / var_1_11) [L55] var_1_10 = ((((last_1_var_1_14) < (last_1_var_1_23)) ? (last_1_var_1_14) : (last_1_var_1_23))) [L59] signed long int stepLocal_8 = last_1_var_1_14; [L60] unsigned char stepLocal_7 = last_1_var_1_14 <= (last_1_var_1_14 * var_1_12); [L61] COND TRUE stepLocal_7 && last_1_var_1_1 [L62] COND FALSE !(last_1_var_1_31 <= stepLocal_8) [L69] var_1_31 = var_1_33 [L74] var_1_14 = (-2 + (last_1_var_1_31 + last_1_var_1_31)) [L75] unsigned char stepLocal_1 = var_1_31; [L76] COND FALSE !(stepLocal_1 == (-128 * var_1_31)) [L79] var_1_16 = var_1_17 [L81] COND FALSE !(\read(var_1_8)) [L84] var_1_26 = ((((var_1_17) < ((var_1_29 - var_1_30))) ? (var_1_17) : ((var_1_29 - var_1_30)))) [L86] signed short int stepLocal_6 = var_1_10; [L87] COND FALSE !(stepLocal_6 >= ((((var_1_11) < ((var_1_31 * var_1_14))) ? (var_1_11) : ((var_1_31 * var_1_14))))) [L90] var_1_24 = var_1_31 [L92] signed long int stepLocal_5 = 25 * var_1_14; [L93] COND TRUE ! (var_1_31 <= var_1_10) [L94] COND FALSE !(var_1_10 >= stepLocal_5) [L97] var_1_23 = ((var_1_10 + var_1_14) + var_1_24) [L100] unsigned char stepLocal_0 = ((((var_1_24) < (var_1_14)) ? (var_1_24) : (var_1_14))) > var_1_31; [L101] EXPR var_1_31 | var_1_24 [L101] COND TRUE ((var_1_31 | var_1_24) <= var_1_31) || stepLocal_0 [L102] var_1_1 = ((! 1) && var_1_8) [L106] unsigned char stepLocal_2 = var_1_31; [L107] COND FALSE !(((var_1_24 + -16) * var_1_23) >= stepLocal_2) [L110] var_1_18 = var_1_17 [L112] signed long int stepLocal_3 = var_1_14 % var_1_21; [L113] EXPR var_1_31 & var_1_24 [L113] COND FALSE !(stepLocal_3 >= (var_1_31 & var_1_24)) [L116] var_1_20 = var_1_19 [L118] unsigned long int stepLocal_4 = ~ (var_1_31 * 128u); [L119] COND FALSE !(! (var_1_10 <= var_1_23)) [L128] var_1_22 = var_1_9 [L188] RET step() [L189] CALL, EXPR property() [L178] EXPR var_1_31 | var_1_24 [L178] EXPR ((((((((var_1_31 | var_1_24) <= var_1_31) || (((((var_1_24) < (var_1_14)) ? (var_1_24) : (var_1_14))) > var_1_31)) ? (var_1_1 == ((unsigned char) ((! 1) && var_1_8))) : (var_1_1 == ((unsigned char) var_1_9))) && (((-16 * last_1_var_1_23) > (((((last_1_var_1_23) < (last_1_var_1_23)) ? (last_1_var_1_23) : (last_1_var_1_23))) / var_1_11)) ? (var_1_10 == ((signed short int) ((((last_1_var_1_14) < (last_1_var_1_23)) ? (last_1_var_1_14) : (last_1_var_1_23))))) : (var_1_10 == ((signed short int) (last_1_var_1_31 - last_1_var_1_31))))) && (var_1_14 == ((signed short int) (-2 + (last_1_var_1_31 + last_1_var_1_31))))) && ((var_1_31 == (-128 * var_1_31)) ? (var_1_16 == ((double) (((((0.875 + (var_1_17 + 64.4))) > (1.0000000000000005E15)) ? ((0.875 + (var_1_17 + 64.4))) : (1.0000000000000005E15))))) : (var_1_16 == ((double) var_1_17)))) && ((((var_1_24 + -16) * var_1_23) >= var_1_31) ? (var_1_18 == ((float) (64.9f + var_1_19))) : (var_1_18 == ((float) var_1_17)))) && (((var_1_14 % var_1_21) >= (var_1_31 & var_1_24)) ? (var_1_20 == ((float) ((((((((63.5f + var_1_17) < 0 ) ? -(63.5f + var_1_17) : (63.5f + var_1_17)))) < (var_1_19)) ? (((((63.5f + var_1_17) < 0 ) ? -(63.5f + var_1_17) : (63.5f + var_1_17)))) : (var_1_19))))) : (var_1_20 == ((float) var_1_19))) [L178-L179] return (((((((((((((var_1_31 | var_1_24) <= var_1_31) || (((((var_1_24) < (var_1_14)) ? (var_1_24) : (var_1_14))) > var_1_31)) ? (var_1_1 == ((unsigned char) ((! 1) && var_1_8))) : (var_1_1 == ((unsigned char) var_1_9))) && (((-16 * last_1_var_1_23) > (((((last_1_var_1_23) < (last_1_var_1_23)) ? (last_1_var_1_23) : (last_1_var_1_23))) / var_1_11)) ? (var_1_10 == ((signed short int) ((((last_1_var_1_14) < (last_1_var_1_23)) ? (last_1_var_1_14) : (last_1_var_1_23))))) : (var_1_10 == ((signed short int) (last_1_var_1_31 - last_1_var_1_31))))) && (var_1_14 == ((signed short int) (-2 + (last_1_var_1_31 + last_1_var_1_31))))) && ((var_1_31 == (-128 * var_1_31)) ? (var_1_16 == ((double) (((((0.875 + (var_1_17 + 64.4))) > (1.0000000000000005E15)) ? ((0.875 + (var_1_17 + 64.4))) : (1.0000000000000005E15))))) : (var_1_16 == ((double) var_1_17)))) && ((((var_1_24 + -16) * var_1_23) >= var_1_31) ? (var_1_18 == ((float) (64.9f + var_1_19))) : (var_1_18 == ((float) var_1_17)))) && (((var_1_14 % var_1_21) >= (var_1_31 & var_1_24)) ? (var_1_20 == ((float) ((((((((63.5f + var_1_17) < 0 ) ? -(63.5f + var_1_17) : (63.5f + var_1_17)))) < (var_1_19)) ? (((((63.5f + var_1_17) < 0 ) ? -(63.5f + var_1_17) : (63.5f + var_1_17)))) : (var_1_19))))) : (var_1_20 == ((float) var_1_19)))) && ((! (var_1_10 <= var_1_23)) ? (var_1_1 ? (((~ (var_1_31 * 128u)) == var_1_23) ? (var_1_22 == ((unsigned char) (! var_1_9))) : 1) : (var_1_22 == ((unsigned char) var_1_9))) : (var_1_22 == ((unsigned char) var_1_9)))) && ((! (var_1_31 <= var_1_10)) ? ((var_1_10 >= (25 * var_1_14)) ? (var_1_23 == ((signed long int) ((((var_1_24) < (var_1_10)) ? (var_1_24) : (var_1_10))))) : (var_1_23 == ((signed long int) ((var_1_10 + var_1_14) + var_1_24)))) : 1)) && ((var_1_10 >= ((((var_1_11) < ((var_1_31 * var_1_14))) ? (var_1_11) : ((var_1_31 * var_1_14))))) ? (var_1_24 == ((unsigned short int) ((((var_1_31) < (var_1_31)) ? (var_1_31) : (var_1_31))))) : (var_1_24 == ((unsigned short int) var_1_31)))) && (var_1_8 ? (var_1_26 == ((float) (var_1_19 + ((var_1_27 + var_1_28) + var_1_17)))) : (var_1_26 == ((float) ((((var_1_17) < ((var_1_29 - var_1_30))) ? (var_1_17) : ((var_1_29 - var_1_30)))))))) && (((last_1_var_1_14 <= (last_1_var_1_14 * var_1_12)) && last_1_var_1_1) ? ((last_1_var_1_31 <= last_1_var_1_14) ? (((- var_1_19) >= var_1_17) ? (var_1_31 == ((unsigned char) (128 - ((((100) < ((var_1_33 + var_1_34))) ? (100) : ((var_1_33 + var_1_34))))))) : (var_1_31 == ((unsigned char) (var_1_35 - 5)))) : (var_1_31 == ((unsigned char) var_1_33))) : (var_1_31 == ((unsigned char) var_1_33))) ; [L189] RET, EXPR property() [L189] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=-128, var_1_11=-127, var_1_12=-1, var_1_14=48, var_1_16=2, var_1_17=2, var_1_18=2, var_1_19=3, var_1_1=0, var_1_20=3, var_1_21=47, var_1_22=1, var_1_23=-16, var_1_24=64, var_1_26=2, var_1_27=4, var_1_28=5, var_1_29=6, var_1_30=7, var_1_31=64, var_1_33=64, var_1_34=0, var_1_35=127, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=-128, var_1_11=-127, var_1_12=-1, var_1_14=48, var_1_16=2, var_1_17=2, var_1_18=2, var_1_19=3, var_1_1=0, var_1_20=3, var_1_21=47, var_1_22=1, var_1_23=-16, var_1_24=64, var_1_26=2, var_1_27=4, var_1_28=5, var_1_29=6, var_1_30=7, var_1_31=64, var_1_33=64, var_1_34=0, var_1_35=127, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 24, 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=47occurred 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: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 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 [2023-11-19 05:13:43,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/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_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ --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 32bit --witnessprinter.graph.data.programhash 86663a1cbbd8911dd5f20f51fde174aa6fa49f328dd842d1c9d2dbaf89183ee7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:13:46,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:13:46,662 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:13:46,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:13:46,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:13:46,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:13:46,719 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:13:46,719 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:13:46,720 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:13:46,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:13:46,726 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:13:46,726 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:13:46,727 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:13:46,728 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:13:46,729 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:13:46,729 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:13:46,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:13:46,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:13:46,731 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:13:46,732 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:13:46,733 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:13:46,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:13:46,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:13:46,734 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:13:46,735 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:13:46,735 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:13:46,735 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:13:46,736 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:13:46,736 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:13:46,737 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:13:46,738 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:13:46,738 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:13:46,739 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:13:46,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:13:46,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:13:46,740 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:13:46,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:13:46,740 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:13:46,741 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:13:46,742 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:13:46,742 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:13:46,742 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:13:46,743 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_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86663a1cbbd8911dd5f20f51fde174aa6fa49f328dd842d1c9d2dbaf89183ee7 [2023-11-19 05:13:47,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:13:47,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:13:47,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:13:47,210 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:13:47,211 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:13:47,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i [2023-11-19 05:13:50,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:13:50,680 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:13:50,680 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i [2023-11-19 05:13:50,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/data/4751bdff5/696aadf9bba54c55bb4125dd2bf1a2ec/FLAGe704b3533 [2023-11-19 05:13:50,706 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/data/4751bdff5/696aadf9bba54c55bb4125dd2bf1a2ec [2023-11-19 05:13:50,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:13:50,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:13:50,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:13:50,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:13:50,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:13:50,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:13:50" (1/1) ... [2023-11-19 05:13:50,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@608693ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:50, skipping insertion in model container [2023-11-19 05:13:50,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:13:50" (1/1) ... [2023-11-19 05:13:50,779 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:13:50,917 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_b62d612c-692e-4903-9369-ea806e98255a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i[916,929] [2023-11-19 05:13:51,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:13:51,020 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:13:51,033 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_b62d612c-692e-4903-9369-ea806e98255a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i[916,929] [2023-11-19 05:13:51,120 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:13:51,144 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:13:51,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:51 WrapperNode [2023-11-19 05:13:51,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:13:51,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:13:51,147 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:13:51,147 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:13:51,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:51" (1/1) ... [2023-11-19 05:13:51,185 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:51" (1/1) ... [2023-11-19 05:13:51,249 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2023-11-19 05:13:51,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:13:51,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:13:51,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:13:51,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:13:51,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:51" (1/1) ... [2023-11-19 05:13:51,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:51" (1/1) ... [2023-11-19 05:13:51,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:51" (1/1) ... [2023-11-19 05:13:51,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:51" (1/1) ... [2023-11-19 05:13:51,324 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:51" (1/1) ... [2023-11-19 05:13:51,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:51" (1/1) ... [2023-11-19 05:13:51,353 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:51" (1/1) ... [2023-11-19 05:13:51,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:51" (1/1) ... [2023-11-19 05:13:51,372 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:13:51,373 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:13:51,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:13:51,374 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:13:51,375 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:51" (1/1) ... [2023-11-19 05:13:51,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:13:51,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:13:51,419 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:13:51,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:13:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:13:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:13:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:13:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:13:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:13:51,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:13:51,607 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:13:51,609 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:14:00,107 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:14:00,119 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:14:00,119 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:14:00,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:00 BoogieIcfgContainer [2023-11-19 05:14:00,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:14:00,132 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:14:00,133 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:14:00,136 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:14:00,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:13:50" (1/3) ... [2023-11-19 05:14:00,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3074ad19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:14:00, skipping insertion in model container [2023-11-19 05:14:00,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:13:51" (2/3) ... [2023-11-19 05:14:00,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3074ad19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:14:00, skipping insertion in model container [2023-11-19 05:14:00,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:14:00" (3/3) ... [2023-11-19 05:14:00,139 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-17.i [2023-11-19 05:14:00,159 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:14:00,159 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:14:00,211 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:14:00,218 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;@4e340a2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:14:00,218 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:14:00,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 55 states have internal predecessors, (74), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 05:14:00,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-19 05:14:00,240 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:00,241 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:14:00,242 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:00,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:00,248 INFO L85 PathProgramCache]: Analyzing trace with hash -189798856, now seen corresponding path program 1 times [2023-11-19 05:14:00,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:14:00,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1510174372] [2023-11-19 05:14:00,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:00,267 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 [2023-11-19 05:14:00,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:14:00,270 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:14:00,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:14:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:01,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:14:01,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:01,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-11-19 05:14:01,457 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:14:01,457 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:14:01,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1510174372] [2023-11-19 05:14:01,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1510174372] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:14:01,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:14:01,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:14:01,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726885838] [2023-11-19 05:14:01,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:14:01,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:14:01,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:14:01,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:14:01,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:14:01,500 INFO L87 Difference]: Start difference. First operand has 81 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 55 states have internal predecessors, (74), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 05:14:01,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:01,536 INFO L93 Difference]: Finished difference Result 159 states and 265 transitions. [2023-11-19 05:14:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:14:01,538 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 161 [2023-11-19 05:14:01,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:01,547 INFO L225 Difference]: With dead ends: 159 [2023-11-19 05:14:01,547 INFO L226 Difference]: Without dead ends: 77 [2023-11-19 05:14:01,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:14:01,555 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:14:01,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:14:01,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-19 05:14:01,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-19 05:14:01,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 51 states have internal predecessors, (67), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 05:14:01,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 115 transitions. [2023-11-19 05:14:01,607 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 115 transitions. Word has length 161 [2023-11-19 05:14:01,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:01,607 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 115 transitions. [2023-11-19 05:14:01,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-19 05:14:01,608 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2023-11-19 05:14:01,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-19 05:14:01,612 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:01,613 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:14:01,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 05:14:01,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:14:01,828 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:01,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:01,829 INFO L85 PathProgramCache]: Analyzing trace with hash 579082884, now seen corresponding path program 1 times [2023-11-19 05:14:01,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:14:01,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1090001627] [2023-11-19 05:14:01,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:01,830 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 [2023-11-19 05:14:01,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:14:01,832 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:14:01,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:14:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:02,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 05:14:02,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:07,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 05:14:07,353 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:14:07,353 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:14:07,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1090001627] [2023-11-19 05:14:07,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1090001627] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:14:07,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:14:07,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:14:07,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66529055] [2023-11-19 05:14:07,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:14:07,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:14:07,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:14:07,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:14:07,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:14:07,367 INFO L87 Difference]: Start difference. First operand 77 states and 115 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 05:14:10,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:14:12,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:14:14,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:14:17,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:14:19,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:14:21,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:14:21,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:14:21,298 INFO L93 Difference]: Finished difference Result 226 states and 340 transitions. [2023-11-19 05:14:21,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:14:21,383 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2023-11-19 05:14:21,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:14:21,389 INFO L225 Difference]: With dead ends: 226 [2023-11-19 05:14:21,393 INFO L226 Difference]: Without dead ends: 152 [2023-11-19 05:14:21,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:14:21,399 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 106 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 49 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2023-11-19 05:14:21,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 375 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 76 Invalid, 6 Unknown, 0 Unchecked, 13.6s Time] [2023-11-19 05:14:21,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2023-11-19 05:14:21,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 124. [2023-11-19 05:14:21,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 73 states have (on average 1.2328767123287672) internal successors, (90), 73 states have internal predecessors, (90), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-19 05:14:21,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 186 transitions. [2023-11-19 05:14:21,456 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 186 transitions. Word has length 161 [2023-11-19 05:14:21,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:14:21,457 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 186 transitions. [2023-11-19 05:14:21,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 05:14:21,458 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 186 transitions. [2023-11-19 05:14:21,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-19 05:14:21,461 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:14:21,462 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:14:21,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:14:21,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:14:21,678 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:14:21,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:14:21,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1113000714, now seen corresponding path program 1 times [2023-11-19 05:14:21,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:14:21,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1092511243] [2023-11-19 05:14:21,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:21,681 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 [2023-11-19 05:14:21,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:14:21,685 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:14:21,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 05:14:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:22,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:14:22,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:25,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 113 proven. 66 refuted. 0 times theorem prover too weak. 925 trivial. 0 not checked. [2023-11-19 05:14:25,195 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:14:26,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 3 proven. 66 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-19 05:14:26,625 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:14:26,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1092511243] [2023-11-19 05:14:26,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1092511243] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:14:26,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2081510421] [2023-11-19 05:14:26,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:14:26,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:14:26,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:14:26,634 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:14:26,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b62d612c-692e-4903-9369-ea806e98255a/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 05:14:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:14:28,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:14:28,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:14:32,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 05:14:32,024 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:14:32,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2081510421] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:14:32,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 05:14:32,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2023-11-19 05:14:32,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290863256] [2023-11-19 05:14:32,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:14:32,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:14:32,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:14:32,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:14:32,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-19 05:14:32,030 INFO L87 Difference]: Start difference. First operand 124 states and 186 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-19 05:14:35,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []