./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-32.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91 --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 e2c2c1e156c7b32dd0b6f1a32bd98b0c410c15445b7e57bb9735089c776b1530 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:08:38,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:08:38,078 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-25 00:08:38,084 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:08:38,084 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:08:38,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:08:38,112 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:08:38,112 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:08:38,113 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:08:38,114 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:08:38,114 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:08:38,115 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:08:38,116 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:08:38,116 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:08:38,117 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:08:38,118 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:08:38,118 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:08:38,119 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:08:38,119 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:08:38,120 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:08:38,120 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:08:38,121 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:08:38,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:08:38,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:08:38,123 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:08:38,123 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:08:38,124 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:08:38,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:08:38,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:08:38,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:08:38,126 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:08:38,126 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:08:38,126 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:08:38,127 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:08:38,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:08:38,127 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:08:38,127 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:08:38,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:08:38,128 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:08:38,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:08:38,129 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:08:38,129 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:08:38,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:08:38,130 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:08:38,130 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:08:38,130 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:08:38,130 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:08:38,131 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_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2c2c1e156c7b32dd0b6f1a32bd98b0c410c15445b7e57bb9735089c776b1530 [2023-11-25 00:08:38,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:08:38,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:08:38,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:08:38,436 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:08:38,437 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:08:38,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-32.i [2023-11-25 00:08:41,620 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:08:41,859 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:08:41,860 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-32.i [2023-11-25 00:08:41,871 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/data/047476abe/f0ffea0423434762881bb09613e77615/FLAG88d2e5ab7 [2023-11-25 00:08:41,887 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/data/047476abe/f0ffea0423434762881bb09613e77615 [2023-11-25 00:08:41,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:08:41,891 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:08:41,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:41,893 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:08:41,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:08:41,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:41" (1/1) ... [2023-11-25 00:08:41,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd4aaf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:41, skipping insertion in model container [2023-11-25 00:08:41,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:41" (1/1) ... [2023-11-25 00:08:41,939 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:08:42,094 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_57ae25eb-d955-4832-b915-36057367f40c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-32.i[916,929] [2023-11-25 00:08:42,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:42,191 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:08:42,203 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_57ae25eb-d955-4832-b915-36057367f40c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-32.i[916,929] [2023-11-25 00:08:42,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:42,280 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:08:42,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:42 WrapperNode [2023-11-25 00:08:42,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:42,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:08:42,282 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:08:42,282 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:08:42,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:42" (1/1) ... [2023-11-25 00:08:42,303 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:42" (1/1) ... [2023-11-25 00:08:42,375 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 227 [2023-11-25 00:08:42,375 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:08:42,376 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:08:42,376 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:08:42,376 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:08:42,387 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:42" (1/1) ... [2023-11-25 00:08:42,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:42" (1/1) ... [2023-11-25 00:08:42,403 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:42" (1/1) ... [2023-11-25 00:08:42,410 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:42" (1/1) ... [2023-11-25 00:08:42,429 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:42" (1/1) ... [2023-11-25 00:08:42,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:42" (1/1) ... [2023-11-25 00:08:42,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:42" (1/1) ... [2023-11-25 00:08:42,446 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:42" (1/1) ... [2023-11-25 00:08:42,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:08:42,455 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:08:42,455 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:08:42,455 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:08:42,456 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:42" (1/1) ... [2023-11-25 00:08:42,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:08:42,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:08:42,486 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:08:42,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:08:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:08:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:08:42,529 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:08:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:08:42,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:08:42,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:08:42,657 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:08:42,659 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:08:43,283 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:08:43,676 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:08:43,677 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:08:43,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:43 BoogieIcfgContainer [2023-11-25 00:08:43,679 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:08:43,683 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:08:43,684 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:08:43,688 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:08:43,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:08:41" (1/3) ... [2023-11-25 00:08:43,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d45090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:08:43, skipping insertion in model container [2023-11-25 00:08:43,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:42" (2/3) ... [2023-11-25 00:08:43,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d45090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:08:43, skipping insertion in model container [2023-11-25 00:08:43,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:43" (3/3) ... [2023-11-25 00:08:43,692 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-32.i [2023-11-25 00:08:43,712 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:08:43,712 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:08:43,777 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:08:43,786 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;@2326e6fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:08:43,787 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:08:43,792 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-25 00:08:43,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-25 00:08:43,810 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:43,812 INFO L195 NwaCegarLoop]: trace histogram [35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:08:43,812 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:08:43,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:43,820 INFO L85 PathProgramCache]: Analyzing trace with hash -976852028, now seen corresponding path program 1 times [2023-11-25 00:08:43,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:08:43,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518347573] [2023-11-25 00:08:43,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:43,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:08:44,043 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-25 00:08:44,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1450950079] [2023-11-25 00:08:44,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:44,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:08:44,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:08:44,049 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:08:44,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-25 00:08:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:08:44,693 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:08:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:08:45,115 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:08:45,118 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:08:45,119 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:08:45,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-25 00:08:45,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-25 00:08:45,343 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:08:45,352 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:08:45,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:08:45 BoogieIcfgContainer [2023-11-25 00:08:45,538 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:08:45,539 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:08:45,539 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:08:45,539 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:08:45,540 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:43" (3/4) ... [2023-11-25 00:08:45,542 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:08:45,544 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:08:45,546 INFO L158 Benchmark]: Toolchain (without parser) took 3654.00ms. Allocated memory was 132.1MB in the beginning and 167.8MB in the end (delta: 35.7MB). Free memory was 86.9MB in the beginning and 95.6MB in the end (delta: -8.7MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-11-25 00:08:45,547 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 96.5MB. Free memory is still 46.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:08:45,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.40ms. Allocated memory is still 132.1MB. Free memory was 86.9MB in the beginning and 70.6MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-25 00:08:45,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.88ms. Allocated memory is still 132.1MB. Free memory was 70.6MB in the beginning and 66.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:08:45,554 INFO L158 Benchmark]: Boogie Preprocessor took 77.23ms. Allocated memory is still 132.1MB. Free memory was 66.4MB in the beginning and 64.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:08:45,556 INFO L158 Benchmark]: RCFGBuilder took 1224.28ms. Allocated memory was 132.1MB in the beginning and 167.8MB in the end (delta: 35.7MB). Free memory was 64.3MB in the beginning and 77.5MB in the end (delta: -13.2MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2023-11-25 00:08:45,557 INFO L158 Benchmark]: TraceAbstraction took 1855.51ms. Allocated memory is still 167.8MB. Free memory was 77.5MB in the beginning and 95.6MB in the end (delta: -18.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:08:45,557 INFO L158 Benchmark]: Witness Printer took 4.87ms. Allocated memory is still 167.8MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:08:45,566 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 96.5MB. Free memory is still 46.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.40ms. Allocated memory is still 132.1MB. Free memory was 86.9MB in the beginning and 70.6MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.88ms. Allocated memory is still 132.1MB. Free memory was 70.6MB in the beginning and 66.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.23ms. Allocated memory is still 132.1MB. Free memory was 66.4MB in the beginning and 64.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1224.28ms. Allocated memory was 132.1MB in the beginning and 167.8MB in the end (delta: 35.7MB). Free memory was 64.3MB in the beginning and 77.5MB in the end (delta: -13.2MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1855.51ms. Allocated memory is still 167.8MB. Free memory was 77.5MB in the beginning and 95.6MB in the end (delta: -18.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.87ms. Allocated memory is still 167.8MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someBinaryArithmeticDOUBLEoperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 208, overapproximation of someUnaryFLOAToperation at line 103. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 0; [L26] unsigned char var_1_5 = 0; [L27] unsigned short int var_1_6 = 4; [L28] signed char var_1_9 = 4; [L29] signed char var_1_10 = 2; [L30] signed char var_1_11 = 4; [L31] signed char var_1_12 = -25; [L32] signed char var_1_13 = 8; [L33] signed char var_1_14 = 50; [L34] signed char var_1_15 = 32; [L35] signed char var_1_16 = 64; [L36] double var_1_17 = 4.775; [L37] unsigned long int var_1_18 = 0; [L38] unsigned long int var_1_19 = 3621235500; [L39] signed char var_1_20 = 50; [L40] unsigned long int var_1_21 = 0; [L41] unsigned long int var_1_22 = 2941649671; [L42] float var_1_23 = 9.5; [L43] float var_1_24 = 255.4; [L44] unsigned short int var_1_25 = 128; [L45] unsigned short int var_1_26 = 44368; [L46] unsigned short int var_1_27 = 128; [L47] unsigned short int var_1_28 = 28714; [L48] unsigned long int var_1_29 = 128; [L49] signed long int var_1_30 = -128; [L50] signed long int var_1_31 = 1177635702; [L51] signed long int var_1_32 = 1100114658; [L52] unsigned char last_1_var_1_1 = 0; [L53] signed char last_1_var_1_9 = 4; [L54] unsigned long int last_1_var_1_18 = 0; [L55] unsigned short int last_1_var_1_25 = 128; [L212] isInitial = 1 [L213] FCALL initially() [L214] int k_loop; [L215] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=0, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L215] COND TRUE k_loop < 1 [L216] CALL updateLastVariables() [L202] last_1_var_1_1 = var_1_1 [L203] last_1_var_1_9 = var_1_9 [L204] last_1_var_1_18 = var_1_18 [L205] last_1_var_1_25 = var_1_25 [L216] RET updateLastVariables() [L217] CALL updateVariables() [L147] var_1_2 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L149] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L150] var_1_3 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L152] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L153] var_1_4 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_5=0, var_1_6=4, var_1_9=4] [L155] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L156] var_1_5 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L158] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L159] var_1_10 = __VERIFIER_nondet_char() [L160] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L161] CALL assume_abort_if_not(var_1_10 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_10 <= 63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L162] var_1_11 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L164] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L165] var_1_12 = __VERIFIER_nondet_char() [L166] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L167] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L168] var_1_13 = __VERIFIER_nondet_char() [L169] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L170] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L171] var_1_14 = __VERIFIER_nondet_char() [L172] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L173] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L174] var_1_15 = __VERIFIER_nondet_char() [L175] CALL assume_abort_if_not(var_1_15 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_15 >= -127) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L176] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L177] var_1_16 = __VERIFIER_nondet_char() [L178] CALL assume_abort_if_not(var_1_16 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_16 >= 63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L179] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L180] var_1_19 = __VERIFIER_nondet_ulong() [L181] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L182] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L183] var_1_22 = __VERIFIER_nondet_ulong() [L184] CALL assume_abort_if_not(var_1_22 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=3221225534, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_22 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=3221225534, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L185] CALL assume_abort_if_not(var_1_22 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=3221225534, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_22 <= 4294967295) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=3221225534, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L186] var_1_24 = __VERIFIER_nondet_float() [L187] CALL assume_abort_if_not((var_1_24 >= -922337.2036854765600e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=3221225534, var_1_23=19/2, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not((var_1_24 >= -922337.2036854765600e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=3221225534, var_1_23=19/2, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L188] var_1_26 = __VERIFIER_nondet_ushort() [L189] CALL assume_abort_if_not(var_1_26 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=3221225534, var_1_23=19/2, var_1_25=128, var_1_26=38706, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_26 >= 32767) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=3221225534, var_1_23=19/2, var_1_25=128, var_1_26=38706, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L190] CALL assume_abort_if_not(var_1_26 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=3221225534, var_1_23=19/2, var_1_25=128, var_1_26=38706, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_26 <= 65534) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=3221225534, var_1_23=19/2, var_1_25=128, var_1_26=38706, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L191] var_1_28 = __VERIFIER_nondet_ushort() [L192] CALL assume_abort_if_not(var_1_28 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=3221225534, var_1_23=19/2, var_1_25=128, var_1_26=38706, var_1_27=128, var_1_28=32767, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_28 >= 16383) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=3221225534, var_1_23=19/2, var_1_25=128, var_1_26=38706, var_1_27=128, var_1_28=32767, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L193] CALL assume_abort_if_not(var_1_28 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=3221225534, var_1_23=19/2, var_1_25=128, var_1_26=38706, var_1_27=128, var_1_28=32767, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_28 <= 32767) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=3221225534, var_1_23=19/2, var_1_25=128, var_1_26=38706, var_1_27=128, var_1_28=32767, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L194] var_1_31 = __VERIFIER_nondet_long() [L195] CALL assume_abort_if_not(var_1_31 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=3221225534, var_1_23=19/2, var_1_25=128, var_1_26=38706, var_1_27=128, var_1_28=32767, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not(var_1_31 >= 1073741823) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=3221225534, var_1_23=19/2, var_1_25=128, var_1_26=38706, var_1_27=128, var_1_28=32767, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L196] CALL assume_abort_if_not(var_1_31 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=3221225534, var_1_23=19/2, var_1_25=128, var_1_26=38706, var_1_27=128, var_1_28=32767, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L196] RET assume_abort_if_not(var_1_31 <= 2147483646) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=3221225534, var_1_23=19/2, var_1_25=128, var_1_26=38706, var_1_27=128, var_1_28=32767, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L197] var_1_32 = __VERIFIER_nondet_long() [L198] CALL assume_abort_if_not(var_1_32 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=3221225534, var_1_23=19/2, var_1_25=128, var_1_26=38706, var_1_27=128, var_1_28=32767, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1073741823, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L198] RET assume_abort_if_not(var_1_32 >= 1073741823) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=3221225534, var_1_23=19/2, var_1_25=128, var_1_26=38706, var_1_27=128, var_1_28=32767, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1073741823, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L199] CALL assume_abort_if_not(var_1_32 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=3221225534, var_1_23=19/2, var_1_25=128, var_1_26=38706, var_1_27=128, var_1_28=32767, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1073741823, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L199] RET assume_abort_if_not(var_1_32 <= 2147483646) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=3221225534, var_1_23=19/2, var_1_25=128, var_1_26=38706, var_1_27=128, var_1_28=32767, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1073741823, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L217] RET updateVariables() [L218] CALL step() [L59] COND FALSE !(\read(last_1_var_1_1)) [L70] COND FALSE !(\read(var_1_3)) [L73] COND TRUE last_1_var_1_25 >= (16u * var_1_11) [L74] var_1_25 = var_1_26 [L79] COND TRUE \read(var_1_2) [L80] var_1_1 = ((! (var_1_3 || var_1_4)) && var_1_5) [L84] COND FALSE !((((((var_1_14 / var_1_16)) > (var_1_10)) ? ((var_1_14 / var_1_16)) : (var_1_10))) > var_1_11) [L87] signed char stepLocal_2 = var_1_14; [L88] signed char stepLocal_1 = var_1_15; [L89] COND TRUE stepLocal_2 <= var_1_16 [L90] var_1_20 = var_1_16 [L98] signed char stepLocal_5 = var_1_12; [L99] signed char stepLocal_4 = var_1_14; [L100] signed long int stepLocal_3 = var_1_25 * var_1_13; [L101] COND TRUE stepLocal_5 <= var_1_10 [L102] COND FALSE !(stepLocal_3 == var_1_15) [L105] COND FALSE !(0 >= stepLocal_4) [L108] var_1_23 = var_1_24 [L112] var_1_27 = ((var_1_28 - var_1_13) + var_1_16) [L113] COND TRUE \read(var_1_1) [L114] var_1_29 = var_1_19 [L116] COND TRUE ((((var_1_19) > (var_1_27)) ? (var_1_19) : (var_1_27))) <= (var_1_22 - 4u) [L117] var_1_21 = var_1_13 [L121] COND TRUE var_1_26 > ((((38760 - var_1_21) < 0 ) ? -(38760 - var_1_21) : (38760 - var_1_21))) [L122] var_1_30 = (((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) - (((((var_1_31 - var_1_18)) > ((var_1_32 - var_1_27))) ? ((var_1_31 - var_1_18)) : ((var_1_32 - var_1_27))))) [L130] unsigned char stepLocal_0 = var_1_5; [L131] COND FALSE !((var_1_30 >= var_1_29) && stepLocal_0) [L134] COND FALSE !(! (! (var_1_29 < var_1_30))) [L138] COND TRUE var_1_27 > last_1_var_1_9 [L139] COND FALSE !(var_1_6 > (var_1_27 * last_1_var_1_9)) [L142] var_1_9 = ((((var_1_15) > ((var_1_13 - (var_1_16 - var_1_11)))) ? (var_1_15) : ((var_1_13 - (var_1_16 - var_1_11))))) [L218] RET step() [L219] CALL, EXPR property() [L208-L209] return (((((((((((var_1_2 ? (var_1_1 == ((unsigned char) ((! (var_1_3 || var_1_4)) && var_1_5))) : (var_1_1 == ((unsigned char) var_1_4))) && (((var_1_30 >= var_1_29) && var_1_5) ? (var_1_6 == ((unsigned short int) var_1_29)) : ((! (! (var_1_29 < var_1_30))) ? (var_1_6 == ((unsigned short int) (var_1_29 + var_1_30))) : 1))) && ((var_1_27 > last_1_var_1_9) ? ((var_1_6 > (var_1_27 * last_1_var_1_9)) ? (var_1_9 == ((signed char) ((var_1_10 - var_1_11) + ((((var_1_12) > ((var_1_13 - var_1_14))) ? (var_1_12) : ((var_1_13 - var_1_14))))))) : (var_1_9 == ((signed char) ((((var_1_15) > ((var_1_13 - (var_1_16 - var_1_11)))) ? (var_1_15) : ((var_1_13 - (var_1_16 - var_1_11)))))))) : 1)) && (((((((var_1_14 / var_1_16)) > (var_1_10)) ? ((var_1_14 / var_1_16)) : (var_1_10))) > var_1_11) ? (var_1_17 == ((double) (8.25 - 255.8))) : 1)) && (last_1_var_1_1 ? (last_1_var_1_1 ? (var_1_18 == ((unsigned long int) last_1_var_1_18)) : ((((var_1_12 + last_1_var_1_18) * last_1_var_1_18) >= last_1_var_1_25) ? (var_1_18 == ((unsigned long int) (var_1_19 - var_1_16))) : (var_1_18 == ((unsigned long int) var_1_13)))) : 1)) && ((var_1_14 <= var_1_16) ? (var_1_20 == ((signed char) var_1_16)) : ((var_1_15 <= var_1_12) ? (var_1_20 == ((signed char) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : (var_1_20 == ((signed char) var_1_11))))) && ((((((var_1_19) > (var_1_27)) ? (var_1_19) : (var_1_27))) <= (var_1_22 - 4u)) ? (var_1_21 == ((unsigned long int) var_1_13)) : (var_1_21 == ((unsigned long int) var_1_14)))) && ((var_1_12 <= var_1_10) ? (((var_1_25 * var_1_13) == var_1_15) ? (var_1_23 == ((float) ((((var_1_24) < 0 ) ? -(var_1_24) : (var_1_24))))) : ((0 >= var_1_14) ? (var_1_23 == ((float) var_1_24)) : (var_1_23 == ((float) var_1_24)))) : 1)) && (var_1_3 ? (var_1_25 == ((unsigned short int) ((((var_1_18) < ((var_1_26 - var_1_13))) ? (var_1_18) : ((var_1_26 - var_1_13)))))) : ((last_1_var_1_25 >= (16u * var_1_11)) ? (var_1_25 == ((unsigned short int) var_1_26)) : (var_1_25 == ((unsigned short int) var_1_18))))) && (var_1_27 == ((unsigned short int) ((var_1_28 - var_1_13) + var_1_16)))) && (var_1_1 ? (var_1_29 == ((unsigned long int) var_1_19)) : 1)) && ((var_1_26 > ((((38760 - var_1_21) < 0 ) ? -(38760 - var_1_21) : (38760 - var_1_21)))) ? (var_1_30 == ((signed long int) (((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) - (((((var_1_31 - var_1_18)) > ((var_1_32 - var_1_27))) ? ((var_1_31 - var_1_18)) : ((var_1_32 - var_1_27))))))) : ((var_1_10 == (var_1_14 - var_1_16)) ? (var_1_30 == ((signed long int) -1)) : (var_1_30 == ((signed long int) var_1_27)))) ; [L219] RET, EXPR property() [L219] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=1, var_1_20=63, var_1_21=55, var_1_22=3221225534, var_1_23=2, var_1_24=2, var_1_25=38706, var_1_26=38706, var_1_27=32775, var_1_28=32767, var_1_29=3221225530, var_1_2=1, var_1_30=-1073741767, var_1_31=1073741823, var_1_32=1073741823, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=8, var_1_11=8, var_1_12=8, var_1_13=55, var_1_14=56, var_1_15=0, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3221225530, var_1_1=1, var_1_20=63, var_1_21=55, var_1_22=3221225534, var_1_23=2, var_1_24=2, var_1_25=38706, var_1_26=38706, var_1_27=32775, var_1_28=32767, var_1_29=3221225530, var_1_2=1, var_1_30=-1073741767, var_1_31=1073741823, var_1_32=1073741823, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 35, 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=62occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 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 [2023-11-25 00:08:45,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91 --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 e2c2c1e156c7b32dd0b6f1a32bd98b0c410c15445b7e57bb9735089c776b1530 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:08:48,402 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:08:48,548 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-25 00:08:48,557 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:08:48,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:08:48,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:08:48,608 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:08:48,609 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:08:48,610 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:08:48,615 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:08:48,615 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:08:48,616 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:08:48,616 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:08:48,618 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:08:48,619 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:08:48,619 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:08:48,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:08:48,621 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:08:48,621 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:08:48,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:08:48,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:08:48,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:08:48,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:08:48,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:08:48,625 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:08:48,625 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:08:48,626 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:08:48,626 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:08:48,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:08:48,627 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:08:48,628 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:08:48,629 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:08:48,629 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:08:48,629 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:08:48,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:08:48,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:08:48,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:08:48,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:08:48,631 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:08:48,632 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:08:48,632 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:08:48,633 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:08:48,633 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:08:48,633 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:08:48,634 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_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2c2c1e156c7b32dd0b6f1a32bd98b0c410c15445b7e57bb9735089c776b1530 [2023-11-25 00:08:49,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:08:49,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:08:49,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:08:49,118 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:08:49,118 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:08:49,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-32.i [2023-11-25 00:08:52,261 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:08:52,632 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:08:52,634 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-32.i [2023-11-25 00:08:52,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/data/70d9c2f1b/920c58e153604484bb919f1b31927704/FLAG9bc00d758 [2023-11-25 00:08:52,674 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/data/70d9c2f1b/920c58e153604484bb919f1b31927704 [2023-11-25 00:08:52,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:08:52,683 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:08:52,687 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:52,687 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:08:52,693 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:08:52,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:52" (1/1) ... [2023-11-25 00:08:52,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cfe53ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:52, skipping insertion in model container [2023-11-25 00:08:52,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:52" (1/1) ... [2023-11-25 00:08:52,752 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:08:52,965 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_57ae25eb-d955-4832-b915-36057367f40c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-32.i[916,929] [2023-11-25 00:08:53,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:53,119 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:08:53,132 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_57ae25eb-d955-4832-b915-36057367f40c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-32.i[916,929] [2023-11-25 00:08:53,210 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:53,232 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:08:53,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:53 WrapperNode [2023-11-25 00:08:53,233 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:53,234 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:08:53,235 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:08:53,235 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:08:53,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:53" (1/1) ... [2023-11-25 00:08:53,261 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:53" (1/1) ... [2023-11-25 00:08:53,302 INFO L138 Inliner]: procedures = 27, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 218 [2023-11-25 00:08:53,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:08:53,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:08:53,304 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:08:53,304 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:08:53,316 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:53" (1/1) ... [2023-11-25 00:08:53,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:53" (1/1) ... [2023-11-25 00:08:53,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:53" (1/1) ... [2023-11-25 00:08:53,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:53" (1/1) ... [2023-11-25 00:08:53,368 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:53" (1/1) ... [2023-11-25 00:08:53,374 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:53" (1/1) ... [2023-11-25 00:08:53,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:53" (1/1) ... [2023-11-25 00:08:53,389 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:53" (1/1) ... [2023-11-25 00:08:53,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:08:53,397 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:08:53,397 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:08:53,398 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:08:53,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:53" (1/1) ... [2023-11-25 00:08:53,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:08:53,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:08:53,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:08:53,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:08:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:08:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:08:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:08:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:08:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:08:53,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:08:53,633 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:08:53,637 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:08:54,646 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:08:54,706 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:08:54,706 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:08:54,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:54 BoogieIcfgContainer [2023-11-25 00:08:54,707 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:08:54,709 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:08:54,709 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:08:54,713 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:08:54,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:08:52" (1/3) ... [2023-11-25 00:08:54,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@111e1ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:08:54, skipping insertion in model container [2023-11-25 00:08:54,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:53" (2/3) ... [2023-11-25 00:08:54,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@111e1ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:08:54, skipping insertion in model container [2023-11-25 00:08:54,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:54" (3/3) ... [2023-11-25 00:08:54,716 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-32.i [2023-11-25 00:08:54,735 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:08:54,735 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:08:54,794 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:08:54,801 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;@1eaf4ad0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:08:54,801 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:08:54,806 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-25 00:08:54,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-25 00:08:54,826 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:54,827 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:08:54,827 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:08:54,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:54,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1462920590, now seen corresponding path program 1 times [2023-11-25 00:08:54,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:08:54,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [693038735] [2023-11-25 00:08:54,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:54,852 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 [2023-11-25 00:08:54,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:08:54,856 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:08:54,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:08:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:55,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-25 00:08:55,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:08:55,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1124 proven. 0 refuted. 0 times theorem prover too weak. 1256 trivial. 0 not checked. [2023-11-25 00:08:55,472 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:08:55,473 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:08:55,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [693038735] [2023-11-25 00:08:55,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [693038735] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:08:55,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:08:55,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:08:55,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300110701] [2023-11-25 00:08:55,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:08:55,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:08:55,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:08:55,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:08:55,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:08:55,533 INFO L87 Difference]: Start difference. First operand has 90 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-25 00:08:55,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:08:55,813 INFO L93 Difference]: Finished difference Result 179 states and 328 transitions. [2023-11-25 00:08:55,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:08:55,822 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 213 [2023-11-25 00:08:55,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:08:55,834 INFO L225 Difference]: With dead ends: 179 [2023-11-25 00:08:55,834 INFO L226 Difference]: Without dead ends: 88 [2023-11-25 00:08:55,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:08:55,843 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:08:55,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-25 00:08:55,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-25 00:08:55,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-11-25 00:08:55,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 51 states have (on average 1.411764705882353) internal successors, (72), 51 states have internal predecessors, (72), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-25 00:08:55,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 142 transitions. [2023-11-25 00:08:55,899 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 142 transitions. Word has length 213 [2023-11-25 00:08:55,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:08:55,900 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 142 transitions. [2023-11-25 00:08:55,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-25 00:08:55,901 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 142 transitions. [2023-11-25 00:08:55,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-25 00:08:55,907 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:55,907 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:08:55,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-25 00:08:56,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:08:56,117 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:08:56,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:56,118 INFO L85 PathProgramCache]: Analyzing trace with hash -930614928, now seen corresponding path program 1 times [2023-11-25 00:08:56,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:08:56,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [617906443] [2023-11-25 00:08:56,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:56,120 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 [2023-11-25 00:08:56,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:08:56,121 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:08:56,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:08:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:56,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:08:56,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:08:57,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 412 proven. 93 refuted. 0 times theorem prover too weak. 1875 trivial. 0 not checked. [2023-11-25 00:08:57,172 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:08:57,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 9 proven. 93 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-11-25 00:08:57,623 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:08:57,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [617906443] [2023-11-25 00:08:57,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [617906443] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:08:57,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1161695099] [2023-11-25 00:08:57,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:57,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:08:57,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:08:57,638 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:08:57,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-25 00:08:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:58,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-25 00:08:58,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:08:59,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 412 proven. 93 refuted. 0 times theorem prover too weak. 1875 trivial. 0 not checked. [2023-11-25 00:08:59,332 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:08:59,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 9 proven. 93 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-11-25 00:08:59,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1161695099] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:08:59,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324968094] [2023-11-25 00:08:59,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:59,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:08:59,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:08:59,749 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:08:59,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-25 00:09:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:00,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:09:00,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:09:00,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 412 proven. 93 refuted. 0 times theorem prover too weak. 1875 trivial. 0 not checked. [2023-11-25 00:09:00,645 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:09:00,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 9 proven. 93 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-11-25 00:09:00,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324968094] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:09:00,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-25 00:09:00,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-11-25 00:09:00,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303316098] [2023-11-25 00:09:00,976 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-25 00:09:00,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-25 00:09:00,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:09:00,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-25 00:09:00,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-25 00:09:00,986 INFO L87 Difference]: Start difference. First operand 88 states and 142 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2023-11-25 00:09:01,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:09:01,793 INFO L93 Difference]: Finished difference Result 183 states and 290 transitions. [2023-11-25 00:09:01,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-25 00:09:01,794 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 213 [2023-11-25 00:09:01,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:09:01,798 INFO L225 Difference]: With dead ends: 183 [2023-11-25 00:09:01,798 INFO L226 Difference]: Without dead ends: 96 [2023-11-25 00:09:01,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1276 GetRequests, 1264 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-25 00:09:01,802 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 58 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-25 00:09:01,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 223 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-25 00:09:01,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-25 00:09:01,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 92. [2023-11-25 00:09:01,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 54 states have internal predecessors, (74), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-25 00:09:01,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 144 transitions. [2023-11-25 00:09:01,848 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 144 transitions. Word has length 213 [2023-11-25 00:09:01,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:09:01,851 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 144 transitions. [2023-11-25 00:09:01,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2023-11-25 00:09:01,853 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 144 transitions. [2023-11-25 00:09:01,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-25 00:09:01,864 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:09:01,866 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:09:01,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-25 00:09:02,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-25 00:09:02,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-25 00:09:02,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:09:02,474 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:09:02,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:09:02,475 INFO L85 PathProgramCache]: Analyzing trace with hash 661890229, now seen corresponding path program 1 times [2023-11-25 00:09:02,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:09:02,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1836546245] [2023-11-25 00:09:02,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:02,477 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 [2023-11-25 00:09:02,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:09:02,478 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:09:02,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-25 00:09:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:02,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-25 00:09:02,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:09:04,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 597 proven. 255 refuted. 0 times theorem prover too weak. 1528 trivial. 0 not checked. [2023-11-25 00:09:04,909 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:09:06,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 33 proven. 264 refuted. 0 times theorem prover too weak. 2083 trivial. 0 not checked. [2023-11-25 00:09:06,013 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:09:06,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1836546245] [2023-11-25 00:09:06,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1836546245] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:09:06,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1402953743] [2023-11-25 00:09:06,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:06,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:09:06,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:09:06,015 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:09:06,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-25 00:09:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:06,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-25 00:09:06,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:09:07,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 624 proven. 87 refuted. 0 times theorem prover too weak. 1669 trivial. 0 not checked. [2023-11-25 00:09:07,700 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:09:08,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 15 proven. 87 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-11-25 00:09:08,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1402953743] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:09:08,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850469954] [2023-11-25 00:09:08,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:08,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:09:08,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:09:08,233 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:09:08,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-25 00:09:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:08,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-25 00:09:08,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:09:10,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 688 proven. 243 refuted. 0 times theorem prover too weak. 1449 trivial. 0 not checked. [2023-11-25 00:09:10,522 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:09:11,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 33 proven. 168 refuted. 0 times theorem prover too weak. 2179 trivial. 0 not checked. [2023-11-25 00:09:11,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850469954] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:09:11,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-25 00:09:11,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 9, 9, 13, 13] total 39 [2023-11-25 00:09:11,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266187916] [2023-11-25 00:09:11,516 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-25 00:09:11,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-11-25 00:09:11,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:09:11,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-11-25 00:09:11,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1160, Unknown=0, NotChecked=0, Total=1482 [2023-11-25 00:09:11,529 INFO L87 Difference]: Start difference. First operand 92 states and 144 transitions. Second operand has 39 states, 38 states have (on average 4.657894736842105) internal successors, (177), 37 states have internal predecessors, (177), 9 states have call successors, (182), 7 states have call predecessors, (182), 15 states have return successors, (187), 9 states have call predecessors, (187), 9 states have call successors, (187) [2023-11-25 00:09:16,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:09:16,608 INFO L93 Difference]: Finished difference Result 437 states and 632 transitions. [2023-11-25 00:09:16,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-11-25 00:09:16,609 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 4.657894736842105) internal successors, (177), 37 states have internal predecessors, (177), 9 states have call successors, (182), 7 states have call predecessors, (182), 15 states have return successors, (187), 9 states have call predecessors, (187), 9 states have call successors, (187) Word has length 214 [2023-11-25 00:09:16,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:09:16,616 INFO L225 Difference]: With dead ends: 437 [2023-11-25 00:09:16,617 INFO L226 Difference]: Without dead ends: 346 [2023-11-25 00:09:16,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1351 GetRequests, 1244 SyntacticMatches, 4 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3567 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=2315, Invalid=8605, Unknown=0, NotChecked=0, Total=10920 [2023-11-25 00:09:16,627 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 1009 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 1159 mSolverCounterSat, 562 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1039 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 1721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 562 IncrementalHoareTripleChecker+Valid, 1159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-25 00:09:16,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1039 Valid, 899 Invalid, 1721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [562 Valid, 1159 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-25 00:09:16,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2023-11-25 00:09:16,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 121. [2023-11-25 00:09:16,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 77 states have (on average 1.3376623376623376) internal successors, (103), 78 states have internal predecessors, (103), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-25 00:09:16,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 177 transitions. [2023-11-25 00:09:16,676 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 177 transitions. Word has length 214 [2023-11-25 00:09:16,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:09:16,677 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 177 transitions. [2023-11-25 00:09:16,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 4.657894736842105) internal successors, (177), 37 states have internal predecessors, (177), 9 states have call successors, (182), 7 states have call predecessors, (182), 15 states have return successors, (187), 9 states have call predecessors, (187), 9 states have call successors, (187) [2023-11-25 00:09:16,678 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 177 transitions. [2023-11-25 00:09:16,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-25 00:09:16,682 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:09:16,682 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:09:16,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-25 00:09:16,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-11-25 00:09:17,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-25 00:09:17,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:09:17,291 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:09:17,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:09:17,292 INFO L85 PathProgramCache]: Analyzing trace with hash -18168141, now seen corresponding path program 1 times [2023-11-25 00:09:17,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:09:17,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1373456133] [2023-11-25 00:09:17,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:17,294 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 [2023-11-25 00:09:17,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:09:17,295 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:09:17,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/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 (9)] Waiting until timeout for monitored process [2023-11-25 00:09:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:17,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-25 00:09:17,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:09:19,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1396 proven. 60 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-25 00:09:19,476 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:09:19,686 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:09:19,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1373456133] [2023-11-25 00:09:19,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1373456133] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:09:19,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1033202366] [2023-11-25 00:09:19,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:19,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:09:19,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:09:19,689 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:09:19,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-25 00:09:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:20,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-25 00:09:21,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:09:25,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1534 proven. 168 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2023-11-25 00:09:25,856 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:09:26,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1033202366] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:09:26,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676984634] [2023-11-25 00:09:26,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:09:26,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:09:26,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:09:26,437 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:09:26,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57ae25eb-d955-4832-b915-36057367f40c/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-25 00:09:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:09:26,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-25 00:09:26,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:09:28,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1396 proven. 60 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-25 00:09:28,049 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:09:28,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676984634] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:09:28,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-25 00:09:28,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 21, 12] total 40 [2023-11-25 00:09:28,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408023122] [2023-11-25 00:09:28,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-25 00:09:28,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-11-25 00:09:28,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:09:28,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-11-25 00:09:28,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=1891, Unknown=0, NotChecked=0, Total=2162 [2023-11-25 00:09:28,498 INFO L87 Difference]: Start difference. First operand 121 states and 177 transitions. Second operand has 40 states, 40 states have (on average 3.9) internal successors, (156), 36 states have internal predecessors, (156), 13 states have call successors, (90), 13 states have call predecessors, (90), 18 states have return successors, (91), 13 states have call predecessors, (91), 13 states have call successors, (91)