./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-37.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX --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 ba821d92d2796d52ea5c7f089d2638cf5b82e930c6cce78adee479c044ea4833 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:10:05,073 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:10:05,200 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:10:05,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:10:05,210 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:10:05,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:10:05,247 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:10:05,248 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:10:05,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:10:05,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:10:05,250 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:10:05,251 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:10:05,251 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:10:05,252 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:10:05,252 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:10:05,253 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:10:05,254 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:10:05,254 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:10:05,255 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:10:05,255 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:10:05,256 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:10:05,257 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:10:05,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:10:05,258 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:10:05,259 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:10:05,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:10:05,260 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:10:05,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:10:05,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:10:05,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:10:05,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:10:05,262 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:10:05,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:10:05,262 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:10:05,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:10:05,263 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:10:05,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:05,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:10:05,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:10:05,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:10:05,265 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:10:05,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:10:05,265 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:10:05,266 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:10:05,266 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:10:05,266 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_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba821d92d2796d52ea5c7f089d2638cf5b82e930c6cce78adee479c044ea4833 [2023-11-12 00:10:05,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:10:05,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:10:05,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:10:05,616 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:10:05,616 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:10:05,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-37.i [2023-11-12 00:10:08,813 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:10:09,123 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:10:09,124 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-37.i [2023-11-12 00:10:09,138 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/data/100da913a/a5fa5ef83cb046c5886df72cab2ae244/FLAGb780f11b4 [2023-11-12 00:10:09,162 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/data/100da913a/a5fa5ef83cb046c5886df72cab2ae244 [2023-11-12 00:10:09,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:10:09,166 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:10:09,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:09,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:10:09,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:10:09,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:09" (1/1) ... [2023-11-12 00:10:09,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab6c205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:09, skipping insertion in model container [2023-11-12 00:10:09,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:09" (1/1) ... [2023-11-12 00:10:09,250 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:10:09,421 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_ae20206c-d1c1-4421-a28a-9b492071143b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-37.i[916,929] [2023-11-12 00:10:09,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:09,610 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:10:09,622 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_ae20206c-d1c1-4421-a28a-9b492071143b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-37.i[916,929] [2023-11-12 00:10:09,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:09,741 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:10:09,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:09 WrapperNode [2023-11-12 00:10:09,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:09,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:09,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:10:09,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:10:09,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:09" (1/1) ... [2023-11-12 00:10:09,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:09" (1/1) ... [2023-11-12 00:10:09,851 INFO L138 Inliner]: procedures = 26, calls = 64, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 380 [2023-11-12 00:10:09,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:09,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:10:09,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:10:09,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:10:09,863 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:09" (1/1) ... [2023-11-12 00:10:09,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:09" (1/1) ... [2023-11-12 00:10:09,874 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:09" (1/1) ... [2023-11-12 00:10:09,874 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:09" (1/1) ... [2023-11-12 00:10:09,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:09" (1/1) ... [2023-11-12 00:10:09,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:09" (1/1) ... [2023-11-12 00:10:09,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:09" (1/1) ... [2023-11-12 00:10:10,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:09" (1/1) ... [2023-11-12 00:10:10,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:10:10,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:10:10,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:10:10,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:10:10,030 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:09" (1/1) ... [2023-11-12 00:10:10,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:10,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:10:10,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:10:10,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:10:10,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:10:10,177 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:10:10,178 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:10:10,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:10:10,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:10:10,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:10:10,337 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:10:10,339 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:10:11,417 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:10:12,642 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:10:12,643 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:10:12,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:12 BoogieIcfgContainer [2023-11-12 00:10:12,646 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:10:12,651 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:10:12,651 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:10:12,655 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:10:12,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:10:09" (1/3) ... [2023-11-12 00:10:12,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b9cdb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:12, skipping insertion in model container [2023-11-12 00:10:12,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:09" (2/3) ... [2023-11-12 00:10:12,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40b9cdb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:12, skipping insertion in model container [2023-11-12 00:10:12,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:12" (3/3) ... [2023-11-12 00:10:12,661 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-37.i [2023-11-12 00:10:12,680 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:10:12,681 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:10:12,750 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:10:12,757 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;@5f1c43c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:10:12,757 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:10:12,762 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 36 states have internal predecessors, (38), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2023-11-12 00:10:12,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-11-12 00:10:12,780 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:12,781 INFO L195 NwaCegarLoop]: trace histogram [51, 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, 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] [2023-11-12 00:10:12,782 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:12,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:12,787 INFO L85 PathProgramCache]: Analyzing trace with hash -2146012207, now seen corresponding path program 1 times [2023-11-12 00:10:12,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:10:12,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158099906] [2023-11-12 00:10:12,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:12,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:10:13,091 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:10:13,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [803948435] [2023-11-12 00:10:13,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:13,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:10:13,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:10:13,107 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:10:13,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:10:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-12 00:10:18,021 WARN L124 FreeRefinementEngine]: Strategy SIFA_TAIPAN was unsuccessful and could not determine trace feasibility [2023-11-12 00:10:18,024 INFO L360 BasicCegarLoop]: Counterexample might be feasible [2023-11-12 00:10:18,035 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:10:18,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 00:10:18,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:10:18,245 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:10:18,249 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:10:18,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:10:18 BoogieIcfgContainer [2023-11-12 00:10:18,328 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:10:18,330 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:10:18,330 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:10:18,331 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:10:18,331 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:12" (3/4) ... [2023-11-12 00:10:18,333 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:10:18,335 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:10:18,336 INFO L158 Benchmark]: Toolchain (without parser) took 9169.47ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 99.5MB in the beginning and 84.1MB in the end (delta: 15.4MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. [2023-11-12 00:10:18,337 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 113.2MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:10:18,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 574.17ms. Allocated memory is still 136.3MB. Free memory was 99.5MB in the beginning and 75.2MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-12 00:10:18,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.08ms. Allocated memory is still 136.3MB. Free memory was 75.2MB in the beginning and 64.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:10:18,346 INFO L158 Benchmark]: Boogie Preprocessor took 165.47ms. Allocated memory is still 136.3MB. Free memory was 64.3MB in the beginning and 101.2MB in the end (delta: -37.0MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2023-11-12 00:10:18,347 INFO L158 Benchmark]: RCFGBuilder took 2627.16ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 101.2MB in the beginning and 142.8MB in the end (delta: -41.6MB). Peak memory consumption was 94.3MB. Max. memory is 16.1GB. [2023-11-12 00:10:18,348 INFO L158 Benchmark]: TraceAbstraction took 5676.76ms. Allocated memory is still 197.1MB. Free memory was 142.8MB in the beginning and 85.1MB in the end (delta: 57.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-12 00:10:18,348 INFO L158 Benchmark]: Witness Printer took 4.58ms. Allocated memory is still 197.1MB. Free memory was 85.1MB in the beginning and 84.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:10:18,356 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 113.2MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 574.17ms. Allocated memory is still 136.3MB. Free memory was 99.5MB in the beginning and 75.2MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.08ms. Allocated memory is still 136.3MB. Free memory was 75.2MB in the beginning and 64.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 165.47ms. Allocated memory is still 136.3MB. Free memory was 64.3MB in the beginning and 101.2MB in the end (delta: -37.0MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2627.16ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 101.2MB in the beginning and 142.8MB in the end (delta: -41.6MB). Peak memory consumption was 94.3MB. Max. memory is 16.1GB. * TraceAbstraction took 5676.76ms. Allocated memory is still 197.1MB. Free memory was 142.8MB in the beginning and 85.1MB in the end (delta: 57.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 4.58ms. Allocated memory is still 197.1MB. Free memory was 85.1MB in the beginning and 84.1MB in the end (delta: 1.0MB). 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: unable to decide satisfiability of path constraint, overapproximation of someBinaryFLOATComparisonOperation at line 336, overapproximation of shiftLeft at line 94, overapproximation of bitwiseOr at line 148, overapproximation of someBinaryArithmeticDOUBLEoperation at line 112, overapproximation of someBinaryDOUBLEComparisonOperation at line 112, overapproximation of someBinaryArithmeticFLOAToperation at line 103. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 2; [L23] signed char var_1_3 = 10; [L24] signed char var_1_4 = 64; [L25] signed char var_1_5 = 5; [L26] signed long int var_1_9 = -4; [L27] double var_1_10 = 15.8; [L28] double var_1_11 = 4.875; [L29] double var_1_13 = 0.75; [L30] signed long int var_1_14 = 1574757398; [L31] unsigned long int var_1_15 = 50; [L32] unsigned char var_1_19 = 1; [L33] unsigned char var_1_20 = 1; [L34] unsigned long int var_1_21 = 0; [L35] unsigned long int var_1_22 = 1787861449; [L36] unsigned char var_1_23 = 0; [L37] unsigned long int var_1_24 = 3076919094; [L38] unsigned char var_1_25 = 1; [L39] unsigned char var_1_26 = 0; [L40] signed short int var_1_27 = -32; [L41] unsigned char var_1_28 = 16; [L42] unsigned char var_1_29 = 16; [L43] signed char var_1_30 = -2; [L44] signed char var_1_31 = 64; [L45] signed char var_1_32 = -2; [L46] signed char var_1_33 = 25; [L47] signed char var_1_34 = 1; [L48] unsigned long int var_1_35 = 8; [L49] float var_1_36 = 50.6; [L50] float var_1_37 = 10.3; [L51] float var_1_38 = 200.1; [L52] unsigned char var_1_39 = 0; [L53] unsigned char var_1_40 = 32; [L54] unsigned char var_1_41 = 5; [L55] unsigned char var_1_42 = 1; [L56] signed char var_1_43 = -2; [L57] double var_1_44 = 1.4; [L58] double var_1_45 = 99999999999999.8; [L59] double var_1_46 = 5.25; [L60] signed char var_1_47 = -32; [L61] signed char var_1_49 = 64; [L62] signed char var_1_50 = 32; [L63] float var_1_51 = 64.2; [L64] float var_1_52 = 10.7; [L65] unsigned char var_1_53 = 1; [L66] unsigned short int var_1_54 = 45346; [L67] signed long int var_1_55 = -1; [L68] unsigned char var_1_56 = 1; [L69] signed long int var_1_57 = 16; [L70] signed long int var_1_58 = 1754766724; [L71] signed char var_1_59 = 2; [L72] signed char var_1_60 = -5; [L73] unsigned char var_1_61 = 0; [L74] signed short int var_1_62 = 5; [L75] unsigned short int var_1_63 = 8; [L76] double var_1_64 = 3.5; [L77] signed long int last_1_var_1_1 = 2; [L78] unsigned char last_1_var_1_53 = 1; [L79] signed long int last_1_var_1_57 = 16; [L80] signed short int last_1_var_1_62 = 5; [L340] isInitial = 1 [L341] FCALL initially() [L342] COND TRUE 1 [L343] CALL updateLastVariables() [L330] last_1_var_1_1 = var_1_1 [L331] last_1_var_1_53 = var_1_53 [L332] last_1_var_1_57 = var_1_57 [L333] last_1_var_1_62 = var_1_62 [L343] RET updateLastVariables() [L344] CALL updateVariables() [L248] var_1_3 = __VERIFIER_nondet_char() [L249] CALL assume_abort_if_not(var_1_3 >= -1) [L20] COND FALSE !(!cond) [L249] RET assume_abort_if_not(var_1_3 >= -1) [L250] CALL assume_abort_if_not(var_1_3 <= 127) [L20] COND FALSE !(!cond) [L250] RET assume_abort_if_not(var_1_3 <= 127) [L251] var_1_4 = __VERIFIER_nondet_char() [L252] CALL assume_abort_if_not(var_1_4 >= 63) [L20] COND FALSE !(!cond) [L252] RET assume_abort_if_not(var_1_4 >= 63) [L253] CALL assume_abort_if_not(var_1_4 <= 127) [L20] COND FALSE !(!cond) [L253] RET assume_abort_if_not(var_1_4 <= 127) [L254] var_1_5 = __VERIFIER_nondet_char() [L255] CALL assume_abort_if_not(var_1_5 >= 0) [L20] COND FALSE !(!cond) [L255] RET assume_abort_if_not(var_1_5 >= 0) [L256] CALL assume_abort_if_not(var_1_5 <= 63) [L20] COND FALSE !(!cond) [L256] RET assume_abort_if_not(var_1_5 <= 63) [L257] var_1_10 = __VERIFIER_nondet_double() [L258] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) [L20] COND FALSE !(!cond) [L258] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) [L259] var_1_11 = __VERIFIER_nondet_double() [L260] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) [L20] COND FALSE !(!cond) [L260] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) [L261] var_1_13 = __VERIFIER_nondet_double() [L262] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) [L20] COND FALSE !(!cond) [L262] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) [L263] CALL assume_abort_if_not(var_1_13 != 0.0F) [L20] COND FALSE !(!cond) [L263] RET assume_abort_if_not(var_1_13 != 0.0F) [L264] var_1_14 = __VERIFIER_nondet_long() [L265] CALL assume_abort_if_not(var_1_14 >= 1073741822) [L20] COND FALSE !(!cond) [L265] RET assume_abort_if_not(var_1_14 >= 1073741822) [L266] CALL assume_abort_if_not(var_1_14 <= 2147483646) [L20] COND FALSE !(!cond) [L266] RET assume_abort_if_not(var_1_14 <= 2147483646) [L267] var_1_20 = __VERIFIER_nondet_uchar() [L268] CALL assume_abort_if_not(var_1_20 >= 1) [L20] COND FALSE !(!cond) [L268] RET assume_abort_if_not(var_1_20 >= 1) [L269] CALL assume_abort_if_not(var_1_20 <= 1) [L20] COND FALSE !(!cond) [L269] RET assume_abort_if_not(var_1_20 <= 1) [L270] var_1_22 = __VERIFIER_nondet_ulong() [L271] CALL assume_abort_if_not(var_1_22 >= 1073741823) [L20] COND FALSE !(!cond) [L271] RET assume_abort_if_not(var_1_22 >= 1073741823) [L272] CALL assume_abort_if_not(var_1_22 <= 2147483647) [L20] COND FALSE !(!cond) [L272] RET assume_abort_if_not(var_1_22 <= 2147483647) [L273] var_1_24 = __VERIFIER_nondet_ulong() [L274] CALL assume_abort_if_not(var_1_24 >= 2147483647) [L20] COND FALSE !(!cond) [L274] RET assume_abort_if_not(var_1_24 >= 2147483647) [L275] CALL assume_abort_if_not(var_1_24 <= 4294967295) [L20] COND FALSE !(!cond) [L275] RET assume_abort_if_not(var_1_24 <= 4294967295) [L276] var_1_25 = __VERIFIER_nondet_uchar() [L277] CALL assume_abort_if_not(var_1_25 >= 1) [L20] COND FALSE !(!cond) [L277] RET assume_abort_if_not(var_1_25 >= 1) [L278] CALL assume_abort_if_not(var_1_25 <= 1) [L20] COND FALSE !(!cond) [L278] RET assume_abort_if_not(var_1_25 <= 1) [L279] var_1_26 = __VERIFIER_nondet_uchar() [L280] CALL assume_abort_if_not(var_1_26 >= 0) [L20] COND FALSE !(!cond) [L280] RET assume_abort_if_not(var_1_26 >= 0) [L281] CALL assume_abort_if_not(var_1_26 <= 0) [L20] COND FALSE !(!cond) [L281] RET assume_abort_if_not(var_1_26 <= 0) [L282] var_1_28 = __VERIFIER_nondet_uchar() [L283] CALL assume_abort_if_not(var_1_28 >= 0) [L20] COND FALSE !(!cond) [L283] RET assume_abort_if_not(var_1_28 >= 0) [L284] CALL assume_abort_if_not(var_1_28 <= 28) [L20] COND FALSE !(!cond) [L284] RET assume_abort_if_not(var_1_28 <= 28) [L285] var_1_29 = __VERIFIER_nondet_uchar() [L286] CALL assume_abort_if_not(var_1_29 >= 0) [L20] COND FALSE !(!cond) [L286] RET assume_abort_if_not(var_1_29 >= 0) [L287] CALL assume_abort_if_not(var_1_29 <= 28) [L20] COND FALSE !(!cond) [L287] RET assume_abort_if_not(var_1_29 <= 28) [L288] var_1_31 = __VERIFIER_nondet_char() [L289] CALL assume_abort_if_not(var_1_31 >= 62) [L20] COND FALSE !(!cond) [L289] RET assume_abort_if_not(var_1_31 >= 62) [L290] CALL assume_abort_if_not(var_1_31 <= 126) [L20] COND FALSE !(!cond) [L290] RET assume_abort_if_not(var_1_31 <= 126) [L291] var_1_32 = __VERIFIER_nondet_char() [L292] CALL assume_abort_if_not(var_1_32 >= -126) [L20] COND FALSE !(!cond) [L292] RET assume_abort_if_not(var_1_32 >= -126) [L293] CALL assume_abort_if_not(var_1_32 <= 126) [L20] COND FALSE !(!cond) [L293] RET assume_abort_if_not(var_1_32 <= 126) [L294] var_1_33 = __VERIFIER_nondet_char() [L295] CALL assume_abort_if_not(var_1_33 >= 0) [L20] COND FALSE !(!cond) [L295] RET assume_abort_if_not(var_1_33 >= 0) [L296] CALL assume_abort_if_not(var_1_33 <= 63) [L20] COND FALSE !(!cond) [L296] RET assume_abort_if_not(var_1_33 <= 63) [L297] var_1_34 = __VERIFIER_nondet_char() [L298] CALL assume_abort_if_not(var_1_34 >= 0) [L20] COND FALSE !(!cond) [L298] RET assume_abort_if_not(var_1_34 >= 0) [L299] CALL assume_abort_if_not(var_1_34 <= 63) [L20] COND FALSE !(!cond) [L299] RET assume_abort_if_not(var_1_34 <= 63) [L300] var_1_37 = __VERIFIER_nondet_float() [L301] CALL assume_abort_if_not((var_1_37 >= -461168.6018427382800e+13F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 4611686.018427382800e+12F && var_1_37 >= 1.0e-20F )) [L20] COND FALSE !(!cond) [L301] RET assume_abort_if_not((var_1_37 >= -461168.6018427382800e+13F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 4611686.018427382800e+12F && var_1_37 >= 1.0e-20F )) [L302] var_1_38 = __VERIFIER_nondet_float() [L303] CALL assume_abort_if_not((var_1_38 >= -230584.3009213691390e+13F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 2305843.009213691390e+12F && var_1_38 >= 1.0e-20F )) [L20] COND FALSE !(!cond) [L303] RET assume_abort_if_not((var_1_38 >= -230584.3009213691390e+13F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 2305843.009213691390e+12F && var_1_38 >= 1.0e-20F )) [L304] var_1_40 = __VERIFIER_nondet_uchar() [L305] CALL assume_abort_if_not(var_1_40 >= 32) [L20] COND FALSE !(!cond) [L305] RET assume_abort_if_not(var_1_40 >= 32) [L306] CALL assume_abort_if_not(var_1_40 <= 64) [L20] COND FALSE !(!cond) [L306] RET assume_abort_if_not(var_1_40 <= 64) [L307] var_1_41 = __VERIFIER_nondet_uchar() [L308] CALL assume_abort_if_not(var_1_41 >= 0) [L20] COND FALSE !(!cond) [L308] RET assume_abort_if_not(var_1_41 >= 0) [L309] CALL assume_abort_if_not(var_1_41 <= 31) [L20] COND FALSE !(!cond) [L309] RET assume_abort_if_not(var_1_41 <= 31) [L310] var_1_45 = __VERIFIER_nondet_double() [L311] CALL assume_abort_if_not((var_1_45 >= 0.0F && var_1_45 <= -1.0e-20F) || (var_1_45 <= 9223372.036854765600e+12F && var_1_45 >= 1.0e-20F )) [L20] COND FALSE !(!cond) [L311] RET assume_abort_if_not((var_1_45 >= 0.0F && var_1_45 <= -1.0e-20F) || (var_1_45 <= 9223372.036854765600e+12F && var_1_45 >= 1.0e-20F )) [L312] var_1_46 = __VERIFIER_nondet_double() [L313] CALL assume_abort_if_not((var_1_46 >= 0.0F && var_1_46 <= -1.0e-20F) || (var_1_46 <= 9223372.036854765600e+12F && var_1_46 >= 1.0e-20F )) [L20] COND FALSE !(!cond) [L313] RET assume_abort_if_not((var_1_46 >= 0.0F && var_1_46 <= -1.0e-20F) || (var_1_46 <= 9223372.036854765600e+12F && var_1_46 >= 1.0e-20F )) [L314] var_1_49 = __VERIFIER_nondet_char() [L315] CALL assume_abort_if_not(var_1_49 >= 62) [L20] COND FALSE !(!cond) [L315] RET assume_abort_if_not(var_1_49 >= 62) [L316] CALL assume_abort_if_not(var_1_49 <= 126) [L20] COND FALSE !(!cond) [L316] RET assume_abort_if_not(var_1_49 <= 126) [L317] var_1_50 = __VERIFIER_nondet_char() [L318] CALL assume_abort_if_not(var_1_50 >= 31) [L20] COND FALSE !(!cond) [L318] RET assume_abort_if_not(var_1_50 >= 31) [L319] CALL assume_abort_if_not(var_1_50 <= 63) [L20] COND FALSE !(!cond) [L319] RET assume_abort_if_not(var_1_50 <= 63) [L320] var_1_52 = __VERIFIER_nondet_float() [L321] CALL assume_abort_if_not((var_1_52 >= 0.0F && var_1_52 <= -1.0e-20F) || (var_1_52 <= 9223372.036854765600e+12F && var_1_52 >= 1.0e-20F )) [L20] COND FALSE !(!cond) [L321] RET assume_abort_if_not((var_1_52 >= 0.0F && var_1_52 <= -1.0e-20F) || (var_1_52 <= 9223372.036854765600e+12F && var_1_52 >= 1.0e-20F )) [L322] var_1_54 = __VERIFIER_nondet_ushort() [L323] CALL assume_abort_if_not(var_1_54 >= 32767) [L20] COND FALSE !(!cond) [L323] RET assume_abort_if_not(var_1_54 >= 32767) [L324] CALL assume_abort_if_not(var_1_54 <= 65535) [L20] COND FALSE !(!cond) [L324] RET assume_abort_if_not(var_1_54 <= 65535) [L325] var_1_58 = __VERIFIER_nondet_long() [L326] CALL assume_abort_if_not(var_1_58 >= 1610612734) [L20] COND FALSE !(!cond) [L326] RET assume_abort_if_not(var_1_58 >= 1610612734) [L327] CALL assume_abort_if_not(var_1_58 <= 2147483646) [L20] COND FALSE !(!cond) [L327] RET assume_abort_if_not(var_1_58 <= 2147483646) [L344] RET updateVariables() [L345] CALL step() [L84] signed long int stepLocal_13 = var_1_54 - var_1_34; [L85] signed long int stepLocal_12 = last_1_var_1_57 * var_1_50; [L86] COND TRUE stepLocal_12 != (last_1_var_1_53 / ((((var_1_14) < (var_1_49)) ? (var_1_14) : (var_1_49)))) [L87] COND FALSE !(stepLocal_13 < last_1_var_1_62) [L90] var_1_53 = var_1_50 [L93] signed long int stepLocal_6 = var_1_5 - var_1_14; [L94] EXPR 8 << ((((var_1_28) < (var_1_29)) ? (var_1_28) : (var_1_29))) [L94] COND FALSE !((8 << ((((var_1_28) < (var_1_29)) ? (var_1_28) : (var_1_29)))) > stepLocal_6) [L97] COND FALSE !(\read(var_1_20)) [L100] var_1_30 = ((((var_1_29) > ((((((var_1_28) > (var_1_5)) ? (var_1_28) : (var_1_5))) + (var_1_33 - var_1_34)))) ? (var_1_29) : ((((((var_1_28) > (var_1_5)) ? (var_1_28) : (var_1_5))) + (var_1_33 - var_1_34))))) [L102] COND FALSE !(\read(var_1_20)) [L105] COND FALSE !(\read(var_1_26)) [L108] var_1_39 = (128 - ((var_1_40 - var_1_29) + (var_1_28 + var_1_41))) [L110] signed char stepLocal_8 = var_1_33; [L111] COND FALSE !((256 / ((((var_1_31) > (var_1_4)) ? (var_1_31) : (var_1_4)))) >= stepLocal_8) [L114] COND TRUE (((((var_1_36 * var_1_11)) > ((var_1_36 + var_1_38))) ? ((var_1_36 * var_1_11)) : ((var_1_36 + var_1_38)))) == var_1_52 [L115] var_1_61 = var_1_26 [L117] var_1_62 = ((((var_1_40) > (var_1_28)) ? (var_1_40) : (var_1_28))) [L118] var_1_63 = 256 [L119] var_1_64 = var_1_38 [L120] COND FALSE !(var_1_44 < var_1_11) [L123] var_1_35 = (var_1_33 + var_1_5) [L125] COND FALSE !(! var_1_26) [L132] var_1_55 = -5 [L134] COND FALSE !(\read(var_1_61)) [L137] COND FALSE !(! var_1_61) [L140] COND TRUE ! (var_1_31 <= var_1_28) [L141] COND TRUE var_1_13 < 7.75 [L142] var_1_59 = var_1_5 [L148] EXPR (var_1_35 >> 4) | var_1_39 [L148] unsigned long int stepLocal_5 = (var_1_35 >> 4) | var_1_39; [L149] unsigned long int stepLocal_4 = - (var_1_35 * var_1_4); [L150] COND TRUE stepLocal_5 > (var_1_24 - var_1_22) [L151] var_1_23 = ((((((var_1_39) > (var_1_24)) ? (var_1_39) : (var_1_24))) >= var_1_63) || var_1_20) [L159] COND FALSE !(var_1_38 <= var_1_10) [L162] COND TRUE var_1_42 && (var_1_10 <= var_1_37) [L163] var_1_60 = (((((var_1_50) < (var_1_28)) ? (var_1_50) : (var_1_28))) - var_1_40) [L167] unsigned char stepLocal_3 = var_1_11 <= var_1_10; [L168] COND FALSE !((var_1_42 || var_1_20) || stepLocal_3) [L171] var_1_21 = (((((var_1_4 + (var_1_22 - var_1_53))) < (var_1_14)) ? ((var_1_4 + (var_1_22 - var_1_53))) : (var_1_14))) [L173] COND FALSE !((1 - (var_1_22 - var_1_34)) >= (var_1_53 + var_1_30)) [L176] var_1_57 = (((var_1_58 - var_1_5) - var_1_49) - ((((8) > ((var_1_54 + var_1_50))) ? (8) : ((var_1_54 + var_1_50))))) [L178] signed long int stepLocal_1 = var_1_3 - (var_1_4 - var_1_5); [L179] signed long int stepLocal_0 = ~ (1 / -8); [L180] COND FALSE !(\read(var_1_23)) [L185] COND FALSE !(((((var_1_5) > (((((last_1_var_1_1) > (var_1_63)) ? (last_1_var_1_1) : (var_1_63))))) ? (var_1_5) : (((((last_1_var_1_1) > (var_1_63)) ? (last_1_var_1_1) : (var_1_63)))))) <= stepLocal_0) [L188] var_1_1 = var_1_5 [L191] COND FALSE !(\read(var_1_42)) [L194] unsigned char stepLocal_9 = var_1_23; [L195] COND FALSE !(\read(var_1_19)) [L202] var_1_47 = ((((((var_1_31) > (var_1_49)) ? (var_1_31) : (var_1_49))) - (var_1_50 - 5)) - ((((var_1_5) < (var_1_29)) ? (var_1_5) : (var_1_29)))) [L204] signed char stepLocal_11 = var_1_60; [L205] signed long int stepLocal_10 = ((((var_1_32) < 0 ) ? -(var_1_32) : (var_1_32))) / ((((var_1_50) > (1)) ? (var_1_50) : (1))); [L206] COND TRUE stepLocal_11 <= (var_1_1 / var_1_31) [L207] COND FALSE !(var_1_57 > stepLocal_10) [L210] var_1_51 = (50.75f - var_1_46) [L215] unsigned char stepLocal_2 = (var_1_10 - var_1_11) >= (var_1_51 / var_1_13); [L216] COND FALSE !(stepLocal_2 || var_1_56) [L219] var_1_9 = var_1_4 [L221] COND FALSE !((var_1_47 >= ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))) && var_1_56) [L234] signed long int stepLocal_7 = var_1_9; [L235] COND FALSE !(((((var_1_64) > (-0.75f)) ? (var_1_64) : (-0.75f))) > ((var_1_11 - var_1_10) * var_1_13)) [L238] COND TRUE stepLocal_7 == ((((var_1_22) < (var_1_53)) ? (var_1_22) : (var_1_53))) [L239] COND TRUE \read(var_1_56) [L240] var_1_43 = (var_1_41 + (var_1_28 - var_1_5)) [L345] RET step() [L346] CALL, EXPR property() [L336] EXPR (((((var_1_23 ? (((var_1_3 - (var_1_4 - var_1_5)) >= (500 * last_1_var_1_1)) ? (var_1_1 == ((signed long int) (((((((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3)))) < ((var_1_5 - var_1_63))) ? (((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3)))) : ((var_1_5 - var_1_63)))) + var_1_63))) : 1) : ((((((var_1_5) > (((((last_1_var_1_1) > (var_1_63)) ? (last_1_var_1_1) : (var_1_63))))) ? (var_1_5) : (((((last_1_var_1_1) > (var_1_63)) ? (last_1_var_1_1) : (var_1_63)))))) <= (~ (1 / -8))) ? (var_1_1 == ((signed long int) (var_1_63 - var_1_4))) : (var_1_1 == ((signed long int) var_1_5)))) && ((((var_1_10 - var_1_11) >= (var_1_51 / var_1_13)) || var_1_56) ? (var_1_9 == ((signed long int) ((var_1_14 - ((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) - var_1_63))) : (var_1_9 == ((signed long int) var_1_4)))) && (((var_1_47 >= ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))) && var_1_56) ? (((- (var_1_21 % var_1_4)) >= var_1_30) ? ((var_1_23 || (var_1_4 >= var_1_5)) ? (((var_1_30 / ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))) == ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) ? (var_1_15 == ((unsigned long int) (2252793902u - var_1_5))) : 1) : (var_1_15 == ((unsigned long int) var_1_14))) : (var_1_15 == ((unsigned long int) var_1_5))) : 1)) && (var_1_42 ? (var_1_19 == ((unsigned char) ((! var_1_42) || var_1_20))) : 1)) && (((var_1_42 || var_1_20) || (var_1_11 <= var_1_10)) ? (var_1_21 == ((unsigned long int) (var_1_53 + var_1_4))) : (var_1_21 == ((unsigned long int) (((((var_1_4 + (var_1_22 - var_1_53))) < (var_1_14)) ? ((var_1_4 + (var_1_22 - var_1_53))) : (var_1_14))))))) && ((((var_1_35 >> 4) | var_1_39) > (var_1_24 - var_1_22)) ? (var_1_23 == ((unsigned char) ((((((var_1_39) > (var_1_24)) ? (var_1_39) : (var_1_24))) >= var_1_63) || var_1_20))) : (((- (var_1_35 * var_1_4)) >= var_1_63) ? (var_1_23 == ((unsigned char) ((var_1_35 < var_1_63) || (var_1_20 && var_1_25)))) : (var_1_23 == ((unsigned char) var_1_26)))) [L336] EXPR (var_1_35 >> 4) | var_1_39 [L336] EXPR (((((var_1_23 ? (((var_1_3 - (var_1_4 - var_1_5)) >= (500 * last_1_var_1_1)) ? (var_1_1 == ((signed long int) (((((((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3)))) < ((var_1_5 - var_1_63))) ? (((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3)))) : ((var_1_5 - var_1_63)))) + var_1_63))) : 1) : ((((((var_1_5) > (((((last_1_var_1_1) > (var_1_63)) ? (last_1_var_1_1) : (var_1_63))))) ? (var_1_5) : (((((last_1_var_1_1) > (var_1_63)) ? (last_1_var_1_1) : (var_1_63)))))) <= (~ (1 / -8))) ? (var_1_1 == ((signed long int) (var_1_63 - var_1_4))) : (var_1_1 == ((signed long int) var_1_5)))) && ((((var_1_10 - var_1_11) >= (var_1_51 / var_1_13)) || var_1_56) ? (var_1_9 == ((signed long int) ((var_1_14 - ((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) - var_1_63))) : (var_1_9 == ((signed long int) var_1_4)))) && (((var_1_47 >= ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))) && var_1_56) ? (((- (var_1_21 % var_1_4)) >= var_1_30) ? ((var_1_23 || (var_1_4 >= var_1_5)) ? (((var_1_30 / ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))) == ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) ? (var_1_15 == ((unsigned long int) (2252793902u - var_1_5))) : 1) : (var_1_15 == ((unsigned long int) var_1_14))) : (var_1_15 == ((unsigned long int) var_1_5))) : 1)) && (var_1_42 ? (var_1_19 == ((unsigned char) ((! var_1_42) || var_1_20))) : 1)) && (((var_1_42 || var_1_20) || (var_1_11 <= var_1_10)) ? (var_1_21 == ((unsigned long int) (var_1_53 + var_1_4))) : (var_1_21 == ((unsigned long int) (((((var_1_4 + (var_1_22 - var_1_53))) < (var_1_14)) ? ((var_1_4 + (var_1_22 - var_1_53))) : (var_1_14))))))) && ((((var_1_35 >> 4) | var_1_39) > (var_1_24 - var_1_22)) ? (var_1_23 == ((unsigned char) ((((((var_1_39) > (var_1_24)) ? (var_1_39) : (var_1_24))) >= var_1_63) || var_1_20))) : (((- (var_1_35 * var_1_4)) >= var_1_63) ? (var_1_23 == ((unsigned char) ((var_1_35 < var_1_63) || (var_1_20 && var_1_25)))) : (var_1_23 == ((unsigned char) var_1_26)))) [L336] EXPR ((((((var_1_23 ? (((var_1_3 - (var_1_4 - var_1_5)) >= (500 * last_1_var_1_1)) ? (var_1_1 == ((signed long int) (((((((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3)))) < ((var_1_5 - var_1_63))) ? (((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3)))) : ((var_1_5 - var_1_63)))) + var_1_63))) : 1) : ((((((var_1_5) > (((((last_1_var_1_1) > (var_1_63)) ? (last_1_var_1_1) : (var_1_63))))) ? (var_1_5) : (((((last_1_var_1_1) > (var_1_63)) ? (last_1_var_1_1) : (var_1_63)))))) <= (~ (1 / -8))) ? (var_1_1 == ((signed long int) (var_1_63 - var_1_4))) : (var_1_1 == ((signed long int) var_1_5)))) && ((((var_1_10 - var_1_11) >= (var_1_51 / var_1_13)) || var_1_56) ? (var_1_9 == ((signed long int) ((var_1_14 - ((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) - var_1_63))) : (var_1_9 == ((signed long int) var_1_4)))) && (((var_1_47 >= ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))) && var_1_56) ? (((- (var_1_21 % var_1_4)) >= var_1_30) ? ((var_1_23 || (var_1_4 >= var_1_5)) ? (((var_1_30 / ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))) == ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) ? (var_1_15 == ((unsigned long int) (2252793902u - var_1_5))) : 1) : (var_1_15 == ((unsigned long int) var_1_14))) : (var_1_15 == ((unsigned long int) var_1_5))) : 1)) && (var_1_42 ? (var_1_19 == ((unsigned char) ((! var_1_42) || var_1_20))) : 1)) && (((var_1_42 || var_1_20) || (var_1_11 <= var_1_10)) ? (var_1_21 == ((unsigned long int) (var_1_53 + var_1_4))) : (var_1_21 == ((unsigned long int) (((((var_1_4 + (var_1_22 - var_1_53))) < (var_1_14)) ? ((var_1_4 + (var_1_22 - var_1_53))) : (var_1_14))))))) && ((((var_1_35 >> 4) | var_1_39) > (var_1_24 - var_1_22)) ? (var_1_23 == ((unsigned char) ((((((var_1_39) > (var_1_24)) ? (var_1_39) : (var_1_24))) >= var_1_63) || var_1_20))) : (((- (var_1_35 * var_1_4)) >= var_1_63) ? (var_1_23 == ((unsigned char) ((var_1_35 < var_1_63) || (var_1_20 && var_1_25)))) : (var_1_23 == ((unsigned char) var_1_26))))) && (((8 << ((((var_1_28) < (var_1_29)) ? (var_1_28) : (var_1_29)))) > (var_1_5 - var_1_14)) ? (var_1_27 == ((signed short int) ((((var_1_28) < (var_1_3)) ? (var_1_28) : (var_1_3))))) : 1) [L336-L337] return (((((((((((((((((((((((((var_1_23 ? (((var_1_3 - (var_1_4 - var_1_5)) >= (500 * last_1_var_1_1)) ? (var_1_1 == ((signed long int) (((((((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3)))) < ((var_1_5 - var_1_63))) ? (((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3)))) : ((var_1_5 - var_1_63)))) + var_1_63))) : 1) : ((((((var_1_5) > (((((last_1_var_1_1) > (var_1_63)) ? (last_1_var_1_1) : (var_1_63))))) ? (var_1_5) : (((((last_1_var_1_1) > (var_1_63)) ? (last_1_var_1_1) : (var_1_63)))))) <= (~ (1 / -8))) ? (var_1_1 == ((signed long int) (var_1_63 - var_1_4))) : (var_1_1 == ((signed long int) var_1_5)))) && ((((var_1_10 - var_1_11) >= (var_1_51 / var_1_13)) || var_1_56) ? (var_1_9 == ((signed long int) ((var_1_14 - ((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) - var_1_63))) : (var_1_9 == ((signed long int) var_1_4)))) && (((var_1_47 >= ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))) && var_1_56) ? (((- (var_1_21 % var_1_4)) >= var_1_30) ? ((var_1_23 || (var_1_4 >= var_1_5)) ? (((var_1_30 / ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))) == ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) ? (var_1_15 == ((unsigned long int) (2252793902u - var_1_5))) : 1) : (var_1_15 == ((unsigned long int) var_1_14))) : (var_1_15 == ((unsigned long int) var_1_5))) : 1)) && (var_1_42 ? (var_1_19 == ((unsigned char) ((! var_1_42) || var_1_20))) : 1)) && (((var_1_42 || var_1_20) || (var_1_11 <= var_1_10)) ? (var_1_21 == ((unsigned long int) (var_1_53 + var_1_4))) : (var_1_21 == ((unsigned long int) (((((var_1_4 + (var_1_22 - var_1_53))) < (var_1_14)) ? ((var_1_4 + (var_1_22 - var_1_53))) : (var_1_14))))))) && ((((var_1_35 >> 4) | var_1_39) > (var_1_24 - var_1_22)) ? (var_1_23 == ((unsigned char) ((((((var_1_39) > (var_1_24)) ? (var_1_39) : (var_1_24))) >= var_1_63) || var_1_20))) : (((- (var_1_35 * var_1_4)) >= var_1_63) ? (var_1_23 == ((unsigned char) ((var_1_35 < var_1_63) || (var_1_20 && var_1_25)))) : (var_1_23 == ((unsigned char) var_1_26))))) && (((8 << ((((var_1_28) < (var_1_29)) ? (var_1_28) : (var_1_29)))) > (var_1_5 - var_1_14)) ? (var_1_27 == ((signed short int) ((((var_1_28) < (var_1_3)) ? (var_1_28) : (var_1_3))))) : 1)) && (var_1_20 ? (var_1_30 == ((signed char) ((var_1_31 - 16) - (((((((var_1_32) > (var_1_28)) ? (var_1_32) : (var_1_28))) < 0 ) ? -((((var_1_32) > (var_1_28)) ? (var_1_32) : (var_1_28))) : ((((var_1_32) > (var_1_28)) ? (var_1_32) : (var_1_28)))))))) : (var_1_30 == ((signed char) ((((var_1_29) > ((((((var_1_28) > (var_1_5)) ? (var_1_28) : (var_1_5))) + (var_1_33 - var_1_34)))) ? (var_1_29) : ((((((var_1_28) > (var_1_5)) ? (var_1_28) : (var_1_5))) + (var_1_33 - var_1_34))))))))) && ((var_1_44 < var_1_11) ? (var_1_35 == ((unsigned long int) var_1_28)) : (var_1_35 == ((unsigned long int) (var_1_33 + var_1_5))))) && (var_1_20 ? (var_1_36 == ((float) (var_1_37 + (3.6f + var_1_38)))) : 1)) && (var_1_26 ? (var_1_39 == ((unsigned char) ((var_1_4 - var_1_5) + var_1_34))) : (var_1_39 == ((unsigned char) (128 - ((var_1_40 - var_1_29) + (var_1_28 + var_1_41))))))) && ((var_1_38 <= var_1_10) ? (var_1_42 == ((unsigned char) (! ((var_1_22 >= var_1_55) || var_1_25)))) : 1)) && ((((((var_1_64) > (-0.75f)) ? (var_1_64) : (-0.75f))) > ((var_1_11 - var_1_10) * var_1_13)) ? (var_1_43 == ((signed char) (var_1_34 + var_1_28))) : ((var_1_9 == ((((var_1_22) < (var_1_53)) ? (var_1_22) : (var_1_53)))) ? (var_1_56 ? (var_1_43 == ((signed char) (var_1_41 + (var_1_28 - var_1_5)))) : 1) : (var_1_43 == ((signed char) var_1_40))))) && (((256 / ((((var_1_31) > (var_1_4)) ? (var_1_31) : (var_1_4)))) >= var_1_33) ? (var_1_44 == ((double) (((((var_1_45 - var_1_46)) > (var_1_38)) ? ((var_1_45 - var_1_46)) : (var_1_38))))) : 1)) && (var_1_19 ? ((var_1_23 || var_1_23) ? (var_1_47 == ((signed char) ((((((((var_1_33) > (var_1_28)) ? (var_1_33) : (var_1_28)))) > (((64 - 8) - ((((var_1_40) < 0 ) ? -(var_1_40) : (var_1_40)))))) ? (((((var_1_33) > (var_1_28)) ? (var_1_33) : (var_1_28)))) : (((64 - 8) - ((((var_1_40) < 0 ) ? -(var_1_40) : (var_1_40))))))))) : (var_1_47 == ((signed char) (-16 + (((((10) > (var_1_41)) ? (10) : (var_1_41))) + var_1_29))))) : (var_1_47 == ((signed char) ((((((var_1_31) > (var_1_49)) ? (var_1_31) : (var_1_49))) - (var_1_50 - 5)) - ((((var_1_5) < (var_1_29)) ? (var_1_5) : (var_1_29)))))))) && ((var_1_60 <= (var_1_1 / var_1_31)) ? ((var_1_57 > (((((var_1_32) < 0 ) ? -(var_1_32) : (var_1_32))) / ((((var_1_50) > (1)) ? (var_1_50) : (1))))) ? (var_1_51 == ((float) (var_1_45 - ((((var_1_46) < (var_1_52)) ? (var_1_46) : (var_1_52)))))) : (var_1_51 == ((float) (50.75f - var_1_46)))) : (var_1_51 == ((float) (var_1_37 + var_1_38))))) && (((last_1_var_1_57 * var_1_50) != (last_1_var_1_53 / ((((var_1_14) < (var_1_49)) ? (var_1_14) : (var_1_49))))) ? (((var_1_54 - var_1_34) < last_1_var_1_62) ? (var_1_53 == ((unsigned char) (((((var_1_33 + var_1_41)) < (2)) ? ((var_1_33 + var_1_41)) : (2))))) : (var_1_53 == ((unsigned char) var_1_50))) : 1)) && ((! var_1_26) ? ((499.75f < var_1_64) ? (var_1_55 == ((signed long int) 2)) : (var_1_55 == ((signed long int) ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))))) : (var_1_55 == ((signed long int) -5)))) && (var_1_61 ? (var_1_56 == ((unsigned char) (! var_1_20))) : 1)) && (((1 - (var_1_22 - var_1_34)) >= (var_1_53 + var_1_30)) ? (var_1_57 == ((signed long int) (var_1_50 + ((((((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21)))) < (var_1_29)) ? (((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21)))) : (var_1_29)))))) : (var_1_57 == ((signed long int) (((var_1_58 - var_1_5) - var_1_49) - ((((8) > ((var_1_54 + var_1_50))) ? (8) : ((var_1_54 + var_1_50))))))))) && ((! var_1_61) ? (var_1_59 == ((signed char) ((((var_1_29) < (((((var_1_32) > (((((var_1_31) < (var_1_50)) ? (var_1_31) : (var_1_50))))) ? (var_1_32) : (((((var_1_31) < (var_1_50)) ? (var_1_31) : (var_1_50)))))))) ? (var_1_29) : (((((var_1_32) > (((((var_1_31) < (var_1_50)) ? (var_1_31) : (var_1_50))))) ? (var_1_32) : (((((var_1_31) < (var_1_50)) ? (var_1_31) : (var_1_50))))))))))) : ((! (var_1_31 <= var_1_28)) ? ((var_1_13 < 7.75) ? (var_1_59 == ((signed char) var_1_5)) : 1) : (var_1_59 == ((signed char) ((4 - var_1_28) + var_1_29)))))) && ((var_1_42 && (var_1_10 <= var_1_37)) ? (var_1_60 == ((signed char) (((((var_1_50) < (var_1_28)) ? (var_1_50) : (var_1_28))) - var_1_40))) : (var_1_60 == ((signed char) var_1_5)))) && (((((((var_1_36 * var_1_11)) > ((var_1_36 + var_1_38))) ? ((var_1_36 * var_1_11)) : ((var_1_36 + var_1_38)))) == var_1_52) ? (var_1_61 == ((unsigned char) var_1_26)) : 1)) && (var_1_62 == ((signed short int) ((((var_1_40) > (var_1_28)) ? (var_1_40) : (var_1_28)))))) && (var_1_63 == ((unsigned short int) 256))) && (var_1_64 == ((double) var_1_38)) ; [L346] RET, EXPR property() [L346] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) [L19] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 1, TraceHistogramMax: 51, 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=89occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 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 [2023-11-12 00:10:18,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/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_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX --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 ba821d92d2796d52ea5c7f089d2638cf5b82e930c6cce78adee479c044ea4833 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:10:21,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:10:21,315 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:10:21,326 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:10:21,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:10:21,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:10:21,370 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:10:21,371 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:10:21,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:10:21,377 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:10:21,377 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:10:21,378 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:10:21,378 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:10:21,379 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:10:21,379 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:10:21,379 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:10:21,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:10:21,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:10:21,381 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:10:21,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:10:21,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:10:21,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:10:21,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:10:21,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:10:21,384 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:10:21,384 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:10:21,385 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:10:21,385 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:10:21,386 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:10:21,386 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:10:21,388 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:10:21,388 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:10:21,388 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:10:21,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:21,389 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:10:21,389 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:10:21,389 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:10:21,390 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:10:21,390 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:10:21,391 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:10:21,391 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:10:21,392 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:10:21,392 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_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba821d92d2796d52ea5c7f089d2638cf5b82e930c6cce78adee479c044ea4833 [2023-11-12 00:10:21,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:10:21,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:10:21,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:10:21,810 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:10:21,811 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:10:21,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-37.i [2023-11-12 00:10:24,909 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:10:25,261 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:10:25,262 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-37.i [2023-11-12 00:10:25,276 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/data/2cfe0d369/ac755c6b895d4ccbba9502f3f5fac7eb/FLAG56cef644c [2023-11-12 00:10:25,290 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/data/2cfe0d369/ac755c6b895d4ccbba9502f3f5fac7eb [2023-11-12 00:10:25,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:10:25,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:10:25,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:25,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:10:25,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:10:25,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:25" (1/1) ... [2023-11-12 00:10:25,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bfaa704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:25, skipping insertion in model container [2023-11-12 00:10:25,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:25" (1/1) ... [2023-11-12 00:10:25,364 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:10:25,617 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_ae20206c-d1c1-4421-a28a-9b492071143b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-37.i[916,929] [2023-11-12 00:10:25,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:25,940 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:10:25,955 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_ae20206c-d1c1-4421-a28a-9b492071143b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-37.i[916,929] [2023-11-12 00:10:26,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:26,199 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:10:26,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:26 WrapperNode [2023-11-12 00:10:26,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:26,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:26,203 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:10:26,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:10:26,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:26" (1/1) ... [2023-11-12 00:10:26,278 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:26" (1/1) ... [2023-11-12 00:10:26,350 INFO L138 Inliner]: procedures = 27, calls = 64, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 336 [2023-11-12 00:10:26,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:26,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:10:26,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:10:26,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:10:26,364 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:26" (1/1) ... [2023-11-12 00:10:26,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:26" (1/1) ... [2023-11-12 00:10:26,373 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:26" (1/1) ... [2023-11-12 00:10:26,374 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:26" (1/1) ... [2023-11-12 00:10:26,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:26" (1/1) ... [2023-11-12 00:10:26,413 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:26" (1/1) ... [2023-11-12 00:10:26,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:26" (1/1) ... [2023-11-12 00:10:26,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:26" (1/1) ... [2023-11-12 00:10:26,433 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:10:26,434 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:10:26,434 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:10:26,435 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:10:26,436 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:26" (1/1) ... [2023-11-12 00:10:26,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:26,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:10:26,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:10:26,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:10:26,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:10:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:10:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:10:26,565 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:10:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:10:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:10:26,705 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:10:26,708 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:10:47,387 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:10:47,397 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:10:47,398 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:10:47,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:47 BoogieIcfgContainer [2023-11-12 00:10:47,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:10:47,403 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:10:47,403 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:10:47,407 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:10:47,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:10:25" (1/3) ... [2023-11-12 00:10:47,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126f1034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:47, skipping insertion in model container [2023-11-12 00:10:47,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:26" (2/3) ... [2023-11-12 00:10:47,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126f1034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:47, skipping insertion in model container [2023-11-12 00:10:47,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:47" (3/3) ... [2023-11-12 00:10:47,410 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-37.i [2023-11-12 00:10:47,429 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:10:47,430 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:10:47,486 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:10:47,498 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;@1df65155, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:10:47,499 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:10:47,505 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 92 states have (on average 1.4565217391304348) internal successors, (134), 93 states have internal predecessors, (134), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2023-11-12 00:10:47,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2023-11-12 00:10:47,544 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:47,545 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 51, 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, 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] [2023-11-12 00:10:47,546 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:47,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:47,551 INFO L85 PathProgramCache]: Analyzing trace with hash -140519544, now seen corresponding path program 1 times [2023-11-12 00:10:47,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:10:47,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1532250795] [2023-11-12 00:10:47,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:47,570 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 [2023-11-12 00:10:47,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:10:47,575 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:10:47,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:10:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:50,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:10:50,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:50,696 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 5000 trivial. 0 not checked. [2023-11-12 00:10:50,697 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:10:50,698 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:10:50,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1532250795] [2023-11-12 00:10:50,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1532250795] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:10:50,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:10:50,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:10:50,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141312055] [2023-11-12 00:10:50,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:10:50,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:10:50,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:10:50,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:10:50,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:10:50,761 INFO L87 Difference]: Start difference. First operand has 146 states, 92 states have (on average 1.4565217391304348) internal successors, (134), 93 states have internal predecessors, (134), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) Second operand has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 2 states have call successors, (51) [2023-11-12 00:10:50,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:10:50,824 INFO L93 Difference]: Finished difference Result 285 states and 517 transitions. [2023-11-12 00:10:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:10:50,827 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 2 states have call successors, (51) Word has length 327 [2023-11-12 00:10:50,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:10:50,837 INFO L225 Difference]: With dead ends: 285 [2023-11-12 00:10:50,838 INFO L226 Difference]: Without dead ends: 142 [2023-11-12 00:10:50,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:10:50,847 INFO L413 NwaCegarLoop]: 229 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, 229 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 [2023-11-12 00:10:50,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:10:50,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-12 00:10:50,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2023-11-12 00:10:50,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 89 states have (on average 1.4269662921348314) internal successors, (127), 89 states have internal predecessors, (127), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2023-11-12 00:10:50,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 229 transitions. [2023-11-12 00:10:50,955 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 229 transitions. Word has length 327 [2023-11-12 00:10:50,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:10:50,956 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 229 transitions. [2023-11-12 00:10:50,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 2 states have call successors, (51) [2023-11-12 00:10:50,957 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 229 transitions. [2023-11-12 00:10:50,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2023-11-12 00:10:50,967 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:50,968 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 51, 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, 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] [2023-11-12 00:10:51,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:10:51,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:10:51,193 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:51,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:51,193 INFO L85 PathProgramCache]: Analyzing trace with hash 992047298, now seen corresponding path program 1 times [2023-11-12 00:10:51,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:10:51,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1865591004] [2023-11-12 00:10:51,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:51,196 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 [2023-11-12 00:10:51,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:10:51,198 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:10:51,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:10:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:53,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:10:54,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:10:59,157 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 2528 proven. 87 refuted. 0 times theorem prover too weak. 2485 trivial. 0 not checked. [2023-11-12 00:10:59,157 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:11:01,580 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 63 proven. 87 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2023-11-12 00:11:01,581 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:11:01,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1865591004] [2023-11-12 00:11:01,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1865591004] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:11:01,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1092012330] [2023-11-12 00:11:01,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:11:01,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:11:01,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:11:01,585 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:11:01,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae20206c-d1c1-4421-a28a-9b492071143b/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-12 00:11:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:11:02,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 00:11:03,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:11:03,176 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2023-11-12 00:11:03,176 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:11:03,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1092012330] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:11:03,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-12 00:11:03,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 8 [2023-11-12 00:11:03,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948186193] [2023-11-12 00:11:03,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:11:03,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:11:03,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:11:03,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:11:03,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:11:03,185 INFO L87 Difference]: Start difference. First operand 142 states and 229 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51)