./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-25.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f6d0673cf69fd7af24a73adc82b5591f8f7bdc0326d87467cf45e63fbcf1c96a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:19:37,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:19:38,011 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:19:38,030 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:19:38,031 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:19:38,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:19:38,079 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:19:38,079 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:19:38,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:19:38,086 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:19:38,087 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:19:38,088 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:19:38,088 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:19:38,090 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:19:38,091 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:19:38,091 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:19:38,092 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:19:38,092 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:19:38,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:19:38,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:19:38,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:19:38,094 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:19:38,095 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:19:38,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:19:38,095 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:19:38,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:19:38,097 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:19:38,097 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:19:38,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:19:38,098 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:19:38,100 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:19:38,100 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:19:38,100 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:19:38,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:19:38,101 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:19:38,101 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:19:38,101 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:19:38,102 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:19:38,102 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:19:38,102 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6d0673cf69fd7af24a73adc82b5591f8f7bdc0326d87467cf45e63fbcf1c96a [2023-11-06 22:19:38,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:19:38,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:19:38,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:19:38,446 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:19:38,447 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:19:38,448 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-25.i [2023-11-06 22:19:41,730 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:19:42,012 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:19:42,020 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-25.i [2023-11-06 22:19:42,034 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/data/1e2ba04ab/ccfaddb2ced346d7ada3ec4159c5774f/FLAG1deb95290 [2023-11-06 22:19:42,046 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/data/1e2ba04ab/ccfaddb2ced346d7ada3ec4159c5774f [2023-11-06 22:19:42,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:19:42,053 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:19:42,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:19:42,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:19:42,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:19:42,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:19:42" (1/1) ... [2023-11-06 22:19:42,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25417764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:42, skipping insertion in model container [2023-11-06 22:19:42,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:19:42" (1/1) ... [2023-11-06 22:19:42,110 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:19:42,271 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-25.i[916,929] [2023-11-06 22:19:42,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:19:42,379 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:19:42,391 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_16d372a6-2484-413b-a5b0-bc9079a03e49/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-25.i[916,929] [2023-11-06 22:19:42,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:19:42,504 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:19:42,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:42 WrapperNode [2023-11-06 22:19:42,505 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:19:42,507 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:19:42,507 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:19:42,507 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:19:42,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:42" (1/1) ... [2023-11-06 22:19:42,538 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:42" (1/1) ... [2023-11-06 22:19:42,607 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201 [2023-11-06 22:19:42,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:19:42,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:19:42,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:19:42,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:19:42,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:42" (1/1) ... [2023-11-06 22:19:42,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:42" (1/1) ... [2023-11-06 22:19:42,632 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:42" (1/1) ... [2023-11-06 22:19:42,634 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:42" (1/1) ... [2023-11-06 22:19:42,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:42" (1/1) ... [2023-11-06 22:19:42,675 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:42" (1/1) ... [2023-11-06 22:19:42,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:42" (1/1) ... [2023-11-06 22:19:42,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:42" (1/1) ... [2023-11-06 22:19:42,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:19:42,706 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:19:42,706 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:19:42,706 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:19:42,707 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:42" (1/1) ... [2023-11-06 22:19:42,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:19:42,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:42,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:19:42,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:19:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:19:42,819 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:19:42,819 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:19:42,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:19:42,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:19:42,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:19:42,964 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:19:42,966 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:19:43,536 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:19:43,545 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:19:43,552 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:19:43,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:19:43 BoogieIcfgContainer [2023-11-06 22:19:43,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:19:43,559 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:19:43,559 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:19:43,563 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:19:43,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:19:42" (1/3) ... [2023-11-06 22:19:43,564 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4f9d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:19:43, skipping insertion in model container [2023-11-06 22:19:43,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:42" (2/3) ... [2023-11-06 22:19:43,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4f9d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:19:43, skipping insertion in model container [2023-11-06 22:19:43,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:19:43" (3/3) ... [2023-11-06 22:19:43,567 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-25.i [2023-11-06 22:19:43,587 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:19:43,588 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:19:43,651 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:19:43,660 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@64e6074e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:19:43,660 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:19:43,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 58 states have internal predecessors, (80), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:19:43,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 22:19:43,688 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:43,690 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:19:43,690 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:43,697 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:43,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1261889, now seen corresponding path program 1 times [2023-11-06 22:19:43,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:43,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210593996] [2023-11-06 22:19:43,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:43,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:44,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:44,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210593996] [2023-11-06 22:19:44,100 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:19:44,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144566203] [2023-11-06 22:19:44,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:44,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:44,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:44,106 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:44,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:19:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:44,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:19:44,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:44,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2023-11-06 22:19:44,584 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:44,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144566203] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:44,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:44,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:19:44,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333977247] [2023-11-06 22:19:44,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:44,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:19:44,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:44,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:19:44,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:19:44,658 INFO L87 Difference]: Start difference. First operand has 84 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 58 states have internal predecessors, (80), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-06 22:19:44,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:44,702 INFO L93 Difference]: Finished difference Result 161 states and 274 transitions. [2023-11-06 22:19:44,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:19:44,705 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 164 [2023-11-06 22:19:44,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:44,715 INFO L225 Difference]: With dead ends: 161 [2023-11-06 22:19:44,715 INFO L226 Difference]: Without dead ends: 80 [2023-11-06 22:19:44,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:19:44,724 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:44,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:19:44,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-06 22:19:44,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-06 22:19:44,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 54 states have internal predecessors, (73), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:19:44,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 121 transitions. [2023-11-06 22:19:44,798 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 121 transitions. Word has length 164 [2023-11-06 22:19:44,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:44,799 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 121 transitions. [2023-11-06 22:19:44,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-06 22:19:44,800 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 121 transitions. [2023-11-06 22:19:44,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 22:19:44,805 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:44,806 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:19:44,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:45,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:19:45,008 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:45,009 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:45,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1353077193, now seen corresponding path program 1 times [2023-11-06 22:19:45,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:45,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065198174] [2023-11-06 22:19:45,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:45,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:45,145 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:45,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [269763941] [2023-11-06 22:19:45,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:45,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:45,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:45,149 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:45,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:19:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:45,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:19:45,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:45,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-06 22:19:45,958 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:45,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:45,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065198174] [2023-11-06 22:19:45,962 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:45,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269763941] [2023-11-06 22:19:45,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269763941] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:45,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:45,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:19:45,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682435361] [2023-11-06 22:19:45,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:45,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:19:45,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:45,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:19:45,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:19:45,970 INFO L87 Difference]: Start difference. First operand 80 states and 121 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:19:46,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:46,496 INFO L93 Difference]: Finished difference Result 299 states and 454 transitions. [2023-11-06 22:19:46,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:19:46,498 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 164 [2023-11-06 22:19:46,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:46,514 INFO L225 Difference]: With dead ends: 299 [2023-11-06 22:19:46,514 INFO L226 Difference]: Without dead ends: 222 [2023-11-06 22:19:46,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:19:46,522 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 196 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:46,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 404 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:19:46,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2023-11-06 22:19:46,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 144. [2023-11-06 22:19:46,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 93 states have (on average 1.3333333333333333) internal successors, (124), 93 states have internal predecessors, (124), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-06 22:19:46,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 220 transitions. [2023-11-06 22:19:46,591 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 220 transitions. Word has length 164 [2023-11-06 22:19:46,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:46,592 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 220 transitions. [2023-11-06 22:19:46,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:19:46,593 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 220 transitions. [2023-11-06 22:19:46,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 22:19:46,597 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:46,598 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:19:46,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-06 22:19:46,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:46,804 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:46,805 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:46,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1793764663, now seen corresponding path program 1 times [2023-11-06 22:19:46,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:46,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971792063] [2023-11-06 22:19:46,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:46,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:46,896 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:46,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1229479845] [2023-11-06 22:19:46,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:46,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:46,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:46,917 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:46,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:19:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:47,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:19:47,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:47,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-06 22:19:47,441 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:47,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:47,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971792063] [2023-11-06 22:19:47,442 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:47,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229479845] [2023-11-06 22:19:47,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229479845] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:47,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:47,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:19:47,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236089917] [2023-11-06 22:19:47,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:47,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:19:47,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:47,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:19:47,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:19:47,445 INFO L87 Difference]: Start difference. First operand 144 states and 220 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:19:47,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:47,910 INFO L93 Difference]: Finished difference Result 299 states and 453 transitions. [2023-11-06 22:19:47,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:19:47,911 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 164 [2023-11-06 22:19:47,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:47,915 INFO L225 Difference]: With dead ends: 299 [2023-11-06 22:19:47,915 INFO L226 Difference]: Without dead ends: 222 [2023-11-06 22:19:47,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:19:47,921 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 204 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:47,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 525 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:19:47,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2023-11-06 22:19:47,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 145. [2023-11-06 22:19:47,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 94 states have (on average 1.3297872340425532) internal successors, (125), 94 states have internal predecessors, (125), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-06 22:19:47,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 221 transitions. [2023-11-06 22:19:47,992 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 221 transitions. Word has length 164 [2023-11-06 22:19:47,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:47,993 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 221 transitions. [2023-11-06 22:19:47,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:19:47,994 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 221 transitions. [2023-11-06 22:19:47,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 22:19:48,002 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:48,003 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:19:48,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:48,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:48,211 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:48,211 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:48,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1113706293, now seen corresponding path program 1 times [2023-11-06 22:19:48,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:48,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183623201] [2023-11-06 22:19:48,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:48,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:48,264 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:48,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [549040981] [2023-11-06 22:19:48,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:48,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:48,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:48,266 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:48,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:19:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:48,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:19:48,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:48,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-06 22:19:48,537 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:48,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:48,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183623201] [2023-11-06 22:19:48,538 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:48,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549040981] [2023-11-06 22:19:48,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549040981] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:48,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:48,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:19:48,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541186660] [2023-11-06 22:19:48,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:48,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:19:48,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:48,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:19:48,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:19:48,541 INFO L87 Difference]: Start difference. First operand 145 states and 221 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:19:48,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:48,591 INFO L93 Difference]: Finished difference Result 273 states and 414 transitions. [2023-11-06 22:19:48,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:19:48,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 164 [2023-11-06 22:19:48,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:48,595 INFO L225 Difference]: With dead ends: 273 [2023-11-06 22:19:48,595 INFO L226 Difference]: Without dead ends: 193 [2023-11-06 22:19:48,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:19:48,597 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 36 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:48,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 231 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:19:48,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2023-11-06 22:19:48,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 184. [2023-11-06 22:19:48,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 133 states have (on average 1.3834586466165413) internal successors, (184), 133 states have internal predecessors, (184), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-06 22:19:48,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 280 transitions. [2023-11-06 22:19:48,628 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 280 transitions. Word has length 164 [2023-11-06 22:19:48,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:48,629 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 280 transitions. [2023-11-06 22:19:48,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:19:48,629 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 280 transitions. [2023-11-06 22:19:48,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-06 22:19:48,632 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:48,632 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:19:48,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:48,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:48,839 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:48,839 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:48,839 INFO L85 PathProgramCache]: Analyzing trace with hash 681612114, now seen corresponding path program 1 times [2023-11-06 22:19:48,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:48,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041253996] [2023-11-06 22:19:48,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:48,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:48,895 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:48,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [976464275] [2023-11-06 22:19:48,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:48,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:48,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:48,903 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:48,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:19:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:49,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:19:49,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:49,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-06 22:19:49,135 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:49,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:49,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041253996] [2023-11-06 22:19:49,136 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:49,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976464275] [2023-11-06 22:19:49,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976464275] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:49,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:49,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:19:49,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325189883] [2023-11-06 22:19:49,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:49,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:19:49,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:49,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:19:49,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:19:49,150 INFO L87 Difference]: Start difference. First operand 184 states and 280 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:19:49,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:49,218 INFO L93 Difference]: Finished difference Result 389 states and 588 transitions. [2023-11-06 22:19:49,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:19:49,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 165 [2023-11-06 22:19:49,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:49,223 INFO L225 Difference]: With dead ends: 389 [2023-11-06 22:19:49,223 INFO L226 Difference]: Without dead ends: 261 [2023-11-06 22:19:49,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:19:49,225 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 46 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:49,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 382 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:19:49,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2023-11-06 22:19:49,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 247. [2023-11-06 22:19:49,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 192 states have (on average 1.390625) internal successors, (267), 193 states have internal predecessors, (267), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-06 22:19:49,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 367 transitions. [2023-11-06 22:19:49,251 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 367 transitions. Word has length 165 [2023-11-06 22:19:49,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:49,252 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 367 transitions. [2023-11-06 22:19:49,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:19:49,252 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 367 transitions. [2023-11-06 22:19:49,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-06 22:19:49,255 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:49,255 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:19:49,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:49,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:49,463 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:49,463 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:49,463 INFO L85 PathProgramCache]: Analyzing trace with hash 2137278350, now seen corresponding path program 1 times [2023-11-06 22:19:49,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:49,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398119469] [2023-11-06 22:19:49,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:49,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:49,525 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:49,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1580137056] [2023-11-06 22:19:49,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:49,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:49,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:49,533 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:49,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:19:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:49,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-06 22:19:49,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:51,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 432 proven. 0 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2023-11-06 22:19:51,312 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:51,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:51,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398119469] [2023-11-06 22:19:51,312 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:51,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580137056] [2023-11-06 22:19:51,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580137056] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:51,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:51,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:19:51,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012206386] [2023-11-06 22:19:51,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:51,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:19:51,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:51,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:19:51,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:19:51,316 INFO L87 Difference]: Start difference. First operand 247 states and 367 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-06 22:19:52,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:52,026 INFO L93 Difference]: Finished difference Result 520 states and 767 transitions. [2023-11-06 22:19:52,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:19:52,027 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 165 [2023-11-06 22:19:52,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:52,032 INFO L225 Difference]: With dead ends: 520 [2023-11-06 22:19:52,032 INFO L226 Difference]: Without dead ends: 377 [2023-11-06 22:19:52,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:19:52,034 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 307 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:52,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 709 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:19:52,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2023-11-06 22:19:52,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 256. [2023-11-06 22:19:52,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 201 states have (on average 1.3830845771144278) internal successors, (278), 202 states have internal predecessors, (278), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-06 22:19:52,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 378 transitions. [2023-11-06 22:19:52,069 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 378 transitions. Word has length 165 [2023-11-06 22:19:52,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:52,070 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 378 transitions. [2023-11-06 22:19:52,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-06 22:19:52,070 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 378 transitions. [2023-11-06 22:19:52,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-06 22:19:52,073 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:52,073 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:19:52,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:52,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 22:19:52,281 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:52,282 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:52,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1009563506, now seen corresponding path program 1 times [2023-11-06 22:19:52,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:52,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536114573] [2023-11-06 22:19:52,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:52,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:52,354 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:52,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [952751572] [2023-11-06 22:19:52,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:52,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:52,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:52,356 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:52,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:19:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:52,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 22:19:52,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:54,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 432 proven. 0 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2023-11-06 22:19:54,073 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:54,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:54,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536114573] [2023-11-06 22:19:54,073 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:54,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952751572] [2023-11-06 22:19:54,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952751572] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:54,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:54,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:19:54,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037257383] [2023-11-06 22:19:54,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:54,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:19:54,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:54,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:19:54,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:19:54,077 INFO L87 Difference]: Start difference. First operand 256 states and 378 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-06 22:19:54,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:54,843 INFO L93 Difference]: Finished difference Result 520 states and 765 transitions. [2023-11-06 22:19:54,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:19:54,848 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 165 [2023-11-06 22:19:54,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:54,852 INFO L225 Difference]: With dead ends: 520 [2023-11-06 22:19:54,852 INFO L226 Difference]: Without dead ends: 377 [2023-11-06 22:19:54,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:19:54,855 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 321 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:54,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 624 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:19:54,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2023-11-06 22:19:54,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 258. [2023-11-06 22:19:54,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 203 states have (on average 1.3793103448275863) internal successors, (280), 204 states have internal predecessors, (280), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-06 22:19:54,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 380 transitions. [2023-11-06 22:19:54,914 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 380 transitions. Word has length 165 [2023-11-06 22:19:54,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:54,918 INFO L495 AbstractCegarLoop]: Abstraction has 258 states and 380 transitions. [2023-11-06 22:19:54,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 9 states have internal predecessors, (51), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-06 22:19:54,919 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 380 transitions. [2023-11-06 22:19:54,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-06 22:19:54,921 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:54,922 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:19:54,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:55,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-06 22:19:55,129 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:55,129 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:55,129 INFO L85 PathProgramCache]: Analyzing trace with hash -329505136, now seen corresponding path program 1 times [2023-11-06 22:19:55,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:55,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456739425] [2023-11-06 22:19:55,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:55,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:55,177 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:55,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2146994908] [2023-11-06 22:19:55,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:55,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:55,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:55,179 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:19:55,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:19:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:55,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-06 22:19:55,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:57,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-06 22:19:57,652 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:57,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:19:57,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456739425] [2023-11-06 22:19:57,653 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:19:57,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146994908] [2023-11-06 22:19:57,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146994908] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:57,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:57,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:19:57,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767776200] [2023-11-06 22:19:57,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:57,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:19:57,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:19:57,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:19:57,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:19:57,656 INFO L87 Difference]: Start difference. First operand 258 states and 380 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:19:59,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:59,680 INFO L93 Difference]: Finished difference Result 695 states and 999 transitions. [2023-11-06 22:19:59,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:19:59,681 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 165 [2023-11-06 22:19:59,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:59,688 INFO L225 Difference]: With dead ends: 695 [2023-11-06 22:19:59,692 INFO L226 Difference]: Without dead ends: 552 [2023-11-06 22:19:59,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:19:59,695 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 370 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:19:59,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 830 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-06 22:19:59,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2023-11-06 22:19:59,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 290. [2023-11-06 22:19:59,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 235 states have (on average 1.374468085106383) internal successors, (323), 236 states have internal predecessors, (323), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-06 22:19:59,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 423 transitions. [2023-11-06 22:19:59,740 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 423 transitions. Word has length 165 [2023-11-06 22:19:59,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:59,741 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 423 transitions. [2023-11-06 22:19:59,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:19:59,741 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 423 transitions. [2023-11-06 22:19:59,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-06 22:19:59,746 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:59,746 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:19:59,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:59,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-06 22:19:59,954 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:59,955 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:59,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1445502226, now seen corresponding path program 1 times [2023-11-06 22:19:59,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:19:59,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677836769] [2023-11-06 22:19:59,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:59,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:19:59,994 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:19:59,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1545948960] [2023-11-06 22:19:59,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:59,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:19:59,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:59,996 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:20:00,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:20:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:20:00,849 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:20:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:20:01,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:20:01,092 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:20:01,093 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:20:01,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:20:01,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:20:01,305 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:20:01,309 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:20:01,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:20:01 BoogieIcfgContainer [2023-11-06 22:20:01,491 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:20:01,491 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:20:01,492 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:20:01,492 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:20:01,492 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:19:43" (3/4) ... [2023-11-06 22:20:01,494 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:20:01,496 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:20:01,496 INFO L158 Benchmark]: Toolchain (without parser) took 19443.34ms. Allocated memory was 182.5MB in the beginning and 274.7MB in the end (delta: 92.3MB). Free memory was 141.3MB in the beginning and 193.9MB in the end (delta: -52.6MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2023-11-06 22:20:01,497 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:20:01,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.36ms. Allocated memory is still 182.5MB. Free memory was 141.3MB in the beginning and 125.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:20:01,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.01ms. Allocated memory is still 182.5MB. Free memory was 125.1MB in the beginning and 121.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:20:01,498 INFO L158 Benchmark]: Boogie Preprocessor took 96.66ms. Allocated memory is still 182.5MB. Free memory was 121.7MB in the beginning and 118.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:20:01,498 INFO L158 Benchmark]: RCFGBuilder took 849.20ms. Allocated memory is still 182.5MB. Free memory was 118.9MB in the beginning and 93.1MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-06 22:20:01,499 INFO L158 Benchmark]: TraceAbstraction took 17932.07ms. Allocated memory was 182.5MB in the beginning and 274.7MB in the end (delta: 92.3MB). Free memory was 92.3MB in the beginning and 193.9MB in the end (delta: -101.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:20:01,499 INFO L158 Benchmark]: Witness Printer took 4.15ms. Allocated memory is still 274.7MB. Free memory is still 193.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:20:01,501 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.36ms. Allocated memory is still 182.5MB. Free memory was 141.3MB in the beginning and 125.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.01ms. Allocated memory is still 182.5MB. Free memory was 125.1MB in the beginning and 121.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.66ms. Allocated memory is still 182.5MB. Free memory was 121.7MB in the beginning and 118.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 849.20ms. Allocated memory is still 182.5MB. Free memory was 118.9MB in the beginning and 93.1MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 17932.07ms. Allocated memory was 182.5MB in the beginning and 274.7MB in the end (delta: 92.3MB). Free memory was 92.3MB in the beginning and 193.9MB in the end (delta: -101.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.15ms. Allocated memory is still 274.7MB. Free memory is still 193.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 193. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -64; [L23] signed short int var_1_4 = -256; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 1; [L26] double var_1_7 = 256.25; [L27] double var_1_8 = 127.8; [L28] signed short int var_1_10 = -2; [L29] signed short int var_1_11 = 5; [L30] signed short int var_1_12 = 16; [L31] unsigned long int var_1_13 = 1000000000; [L32] signed long int var_1_14 = -100000000; [L33] double var_1_16 = 50.8; [L34] double var_1_17 = 2.2; [L35] double var_1_18 = 2.675; [L36] double var_1_19 = 100.5; [L37] unsigned short int var_1_20 = 46250; [L38] double var_1_21 = 99999999999.75; [L39] double var_1_22 = 32.4; [L40] double var_1_23 = 15.25; [L41] signed short int var_1_24 = -100; [L42] signed char var_1_25 = -1; [L43] unsigned short int var_1_26 = 128; [L44] unsigned long int var_1_27 = 8; [L45] signed short int var_1_28 = -4; [L46] unsigned long int var_1_29 = 100; [L47] unsigned long int var_1_30 = 100; [L48] unsigned long int var_1_31 = 1000000000; [L49] double var_1_32 = 0.0; [L50] signed long int last_1_var_1_1 = -64; [L51] signed long int last_1_var_1_14 = -100000000; [L52] double last_1_var_1_16 = 50.8; [L53] signed short int last_1_var_1_24 = -100; [L54] signed short int last_1_var_1_28 = -4; [L55] unsigned long int last_1_var_1_29 = 100; [L56] unsigned long int last_1_var_1_30 = 100; VAL [isInitial=0, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L197] isInitial = 1 [L198] FCALL initially() [L199] COND TRUE 1 [L200] CALL updateLastVariables() [L184] last_1_var_1_1 = var_1_1 [L185] last_1_var_1_14 = var_1_14 [L186] last_1_var_1_16 = var_1_16 [L187] last_1_var_1_24 = var_1_24 [L188] last_1_var_1_28 = var_1_28 [L189] last_1_var_1_29 = var_1_29 [L190] last_1_var_1_30 = var_1_30 VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=1, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L200] RET updateLastVariables() [L201] CALL updateVariables() [L143] var_1_5 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L144] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L145] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L145] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=1, var_1_7=1025/4, var_1_8=639/5] [L146] var_1_6 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=1025/4, var_1_8=639/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=1025/4, var_1_8=639/5] [L147] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=1025/4, var_1_8=639/5] [L148] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=1025/4, var_1_8=639/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=1025/4, var_1_8=639/5] [L148] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=1025/4, var_1_8=639/5] [L149] var_1_7 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=639/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=639/5] [L150] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=639/5] [L151] var_1_8 = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L152] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-2, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L153] var_1_10 = __VERIFIER_nondet_short() [L154] CALL assume_abort_if_not(var_1_10 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L154] RET assume_abort_if_not(var_1_10 >= -16383) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L155] CALL assume_abort_if_not(var_1_10 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L155] RET assume_abort_if_not(var_1_10 <= 16383) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=5, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L156] var_1_11 = __VERIFIER_nondet_short() [L157] CALL assume_abort_if_not(var_1_11 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L157] RET assume_abort_if_not(var_1_11 >= -1) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L158] CALL assume_abort_if_not(var_1_11 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L158] RET assume_abort_if_not(var_1_11 <= 32766) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=16, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L159] var_1_12 = __VERIFIER_nondet_short() [L160] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L160] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L161] CALL assume_abort_if_not(var_1_12 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L161] RET assume_abort_if_not(var_1_12 <= 32766) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=11/5, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L162] var_1_17 = __VERIFIER_nondet_double() [L163] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L163] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=107/40, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L164] var_1_18 = __VERIFIER_nondet_double() [L165] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L165] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=46250, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L166] var_1_20 = __VERIFIER_nondet_ushort() [L167] CALL assume_abort_if_not(var_1_20 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L167] RET assume_abort_if_not(var_1_20 >= 32767) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L168] CALL assume_abort_if_not(var_1_20 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L168] RET assume_abort_if_not(var_1_20 <= 65535) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=399999999999/4, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L169] var_1_21 = __VERIFIER_nondet_double() [L170] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L170] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=162/5, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L171] var_1_22 = __VERIFIER_nondet_double() [L172] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L172] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=61/4, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L173] var_1_23 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L174] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=-100, var_1_25=-1, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L175] var_1_25 = __VERIFIER_nondet_char() [L176] CALL assume_abort_if_not(var_1_25 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=-100, var_1_25=2, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=-100, var_1_25=2, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L176] RET assume_abort_if_not(var_1_25 >= -128) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=-100, var_1_25=2, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L177] CALL assume_abort_if_not(var_1_25 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=-100, var_1_25=2, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=-100, var_1_25=2, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L177] RET assume_abort_if_not(var_1_25 <= 127) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=-100, var_1_25=2, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L178] CALL assume_abort_if_not(var_1_25 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=-100, var_1_25=2, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=-100, var_1_25=2, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L178] RET assume_abort_if_not(var_1_25 != 0) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=-100, var_1_25=2, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1000000000, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L179] var_1_31 = __VERIFIER_nondet_ulong() [L180] CALL assume_abort_if_not(var_1_31 >= 536870912) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=-100, var_1_25=2, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1073741823, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=-100, var_1_25=2, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1073741823, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L180] RET assume_abort_if_not(var_1_31 >= 536870912) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=-100, var_1_25=2, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1073741823, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L181] CALL assume_abort_if_not(var_1_31 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=-100, var_1_25=2, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1073741823, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=-100, var_1_25=2, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1073741823, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L181] RET assume_abort_if_not(var_1_31 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=-100, var_1_25=2, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1073741823, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L201] RET updateVariables() [L202] CALL step() [L60] unsigned char stepLocal_2 = var_1_6; VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=-100, var_1_25=2, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1073741823, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L61] COND FALSE !(var_1_5 && stepLocal_2) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=-100, var_1_25=2, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1073741823, var_1_32=0, var_1_4=-256, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L64] COND FALSE !((var_1_7 - var_1_8) > last_1_var_1_16) [L67] var_1_4 = (last_1_var_1_30 + ((((var_1_10) > (last_1_var_1_24)) ? (var_1_10) : (last_1_var_1_24)))) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=-100, var_1_25=2, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1073741823, var_1_32=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L70] unsigned char stepLocal_6 = (var_1_12 / var_1_25) != (last_1_var_1_1 * 16); VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, stepLocal_6=1, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=-100, var_1_25=2, var_1_26=128, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1073741823, var_1_32=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L71] COND FALSE !(stepLocal_6 && var_1_6) [L78] var_1_26 = last_1_var_1_29 VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, stepLocal_6=1, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=-100, var_1_25=2, var_1_26=100, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1073741823, var_1_32=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L80] signed long int stepLocal_5 = var_1_20 / var_1_25; VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, stepLocal_5=16383, stepLocal_6=1, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=-100, var_1_25=2, var_1_26=100, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1073741823, var_1_32=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L81] COND TRUE stepLocal_5 > var_1_26 [L82] var_1_24 = var_1_11 VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, stepLocal_5=16383, stepLocal_6=1, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=100, var_1_25=2, var_1_26=100, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1073741823, var_1_32=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L84] unsigned short int stepLocal_7 = var_1_26; VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, stepLocal_5=16383, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=100, var_1_25=2, var_1_26=100, var_1_27=8, var_1_28=-4, var_1_29=100, var_1_30=100, var_1_31=1073741823, var_1_32=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L85] COND TRUE (last_1_var_1_28 + (- var_1_10)) > stepLocal_7 [L86] var_1_28 = (((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))) - var_1_26) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, stepLocal_5=16383, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=100, var_1_25=2, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=100, var_1_30=100, var_1_31=1073741823, var_1_32=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L88] signed long int stepLocal_4 = 128; [L89] signed short int stepLocal_3 = var_1_4; VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=16383, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=201/2, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=100, var_1_25=2, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=100, var_1_30=100, var_1_31=1073741823, var_1_32=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L90] COND FALSE !(var_1_26 <= stepLocal_3) [L97] var_1_19 = var_1_22 VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=16383, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=7, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=100, var_1_25=2, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=100, var_1_30=100, var_1_31=1073741823, var_1_32=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L99] COND TRUE (~ var_1_11) >= (~ var_1_20) [L100] var_1_32 = var_1_17 VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=16383, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=-100000000, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=7, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=100, var_1_25=2, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=100, var_1_30=100, var_1_31=1073741823, var_1_32=4, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L102] COND FALSE !(\read(var_1_6)) [L105] var_1_14 = (((((var_1_4) > (var_1_12)) ? (var_1_4) : (var_1_12))) - (last_1_var_1_14 + var_1_26)) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=16383, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=1000000000, var_1_14=100000001, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=7, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=100, var_1_25=2, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=100, var_1_30=100, var_1_31=1073741823, var_1_32=4, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L107] var_1_13 = (var_1_14 + var_1_12) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=16383, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=100000102, var_1_14=100000001, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=7, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=100, var_1_25=2, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=100, var_1_30=100, var_1_31=1073741823, var_1_32=4, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L108] COND FALSE !(\read(var_1_5)) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=16383, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=100000102, var_1_14=100000001, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=7, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=100, var_1_25=2, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=100, var_1_30=100, var_1_31=1073741823, var_1_32=4, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L113] signed long int stepLocal_1 = var_1_14; [L114] signed long int stepLocal_0 = var_1_14; VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_0=100000001, stepLocal_1=100000001, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=16383, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=100000102, var_1_14=100000001, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=7, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=100, var_1_25=2, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=100, var_1_30=100, var_1_31=1073741823, var_1_32=4, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L115] COND FALSE !(! (var_1_14 >= var_1_4)) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_0=100000001, stepLocal_1=100000001, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=16383, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=100000102, var_1_14=100000001, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=7, var_1_1=-64, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=100, var_1_25=2, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=100, var_1_30=100, var_1_31=1073741823, var_1_32=4, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L120] COND FALSE !(var_1_4 >= stepLocal_1) [L123] var_1_1 = var_1_4 VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_0=100000001, stepLocal_1=100000001, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=16383, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=100000102, var_1_14=100000001, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=7, var_1_1=0, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=100, var_1_25=2, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=100, var_1_30=100, var_1_31=1073741823, var_1_32=4, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L126] var_1_29 = (var_1_1 + 4u) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_0=100000001, stepLocal_1=100000001, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=16383, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=100000102, var_1_14=100000001, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=7, var_1_1=0, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=100, var_1_25=2, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=4, var_1_30=100, var_1_31=1073741823, var_1_32=4, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L127] COND FALSE !((var_1_28 + (var_1_29 + var_1_26)) < var_1_4) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_0=100000001, stepLocal_1=100000001, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=16383, stepLocal_6=1, stepLocal_7=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=100000102, var_1_14=100000001, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=7, var_1_1=0, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=100, var_1_25=2, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=4, var_1_30=100, var_1_31=1073741823, var_1_32=4, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L130] unsigned long int stepLocal_9 = var_1_20 - ((((var_1_29) > (var_1_12)) ? (var_1_29) : (var_1_12))); [L131] unsigned char stepLocal_8 = var_1_6; VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_0=100000001, stepLocal_1=100000001, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=16383, stepLocal_6=1, stepLocal_7=100, stepLocal_8=0, stepLocal_9=32666, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=100000102, var_1_14=100000001, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=7, var_1_1=0, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=100, var_1_25=2, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=4, var_1_30=100, var_1_31=1073741823, var_1_32=4, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L132] COND FALSE !(stepLocal_8 || var_1_5) [L139] var_1_30 = ((((var_1_26) > (var_1_29)) ? (var_1_26) : (var_1_29))) VAL [isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, stepLocal_0=100000001, stepLocal_1=100000001, stepLocal_2=0, stepLocal_3=0, stepLocal_4=128, stepLocal_5=16383, stepLocal_6=1, stepLocal_7=100, stepLocal_8=0, stepLocal_9=32666, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=100000102, var_1_14=100000001, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=7, var_1_1=0, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=100, var_1_25=2, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=4, var_1_30=100, var_1_31=1073741823, var_1_32=4, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L202] RET step() [L203] CALL, EXPR property() [L193-L194] return (((((((((((((! (var_1_14 >= var_1_4)) ? ((256 != var_1_14) ? (var_1_1 == ((signed long int) (var_1_4 + var_1_14))) : 1) : ((var_1_4 >= var_1_14) ? (var_1_1 == ((signed long int) var_1_14)) : (var_1_1 == ((signed long int) var_1_4)))) && ((var_1_5 && var_1_6) ? (var_1_4 == ((signed short int) ((((last_1_var_1_24) < (-100)) ? (last_1_var_1_24) : (-100))))) : (((var_1_7 - var_1_8) > last_1_var_1_16) ? (var_1_4 == ((signed short int) ((((((last_1_var_1_30 - last_1_var_1_24) + var_1_10)) > ((((((var_1_11 - var_1_12)) > (4)) ? ((var_1_11 - var_1_12)) : (4))))) ? (((last_1_var_1_30 - last_1_var_1_24) + var_1_10)) : ((((((var_1_11 - var_1_12)) > (4)) ? ((var_1_11 - var_1_12)) : (4)))))))) : (var_1_4 == ((signed short int) (last_1_var_1_30 + ((((var_1_10) > (last_1_var_1_24)) ? (var_1_10) : (last_1_var_1_24))))))))) && (var_1_13 == ((unsigned long int) (var_1_14 + var_1_12)))) && (var_1_6 ? (var_1_14 == ((signed long int) (var_1_4 - last_1_var_1_14))) : (var_1_14 == ((signed long int) (((((var_1_4) > (var_1_12)) ? (var_1_4) : (var_1_12))) - (last_1_var_1_14 + var_1_26)))))) && (((var_1_28 + (var_1_29 + var_1_26)) < var_1_4) ? (var_1_16 == ((double) ((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))))) : 1)) && ((var_1_26 <= var_1_4) ? (((var_1_26 / (var_1_20 - 25)) >= 128) ? (var_1_19 == ((double) (((((15.25 - var_1_21) < 0 ) ? -(15.25 - var_1_21) : (15.25 - var_1_21))) - (var_1_22 + var_1_23)))) : (var_1_19 == ((double) var_1_22))) : (var_1_19 == ((double) var_1_22)))) && (((var_1_20 / var_1_25) > var_1_26) ? (var_1_24 == ((signed short int) var_1_11)) : 1)) && ((((var_1_12 / var_1_25) != (last_1_var_1_1 * 16)) && var_1_6) ? (var_1_6 ? (var_1_26 == ((unsigned short int) var_1_12)) : (var_1_26 == ((unsigned short int) last_1_var_1_29))) : (var_1_26 == ((unsigned short int) last_1_var_1_29)))) && (var_1_5 ? (((var_1_12 * var_1_13) >= var_1_11) ? (var_1_27 == ((unsigned long int) var_1_26)) : 1) : 1)) && (((last_1_var_1_28 + (- var_1_10)) > var_1_26) ? (var_1_28 == ((signed short int) (((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))) - var_1_26))) : 1)) && (var_1_29 == ((unsigned long int) (var_1_1 + 4u)))) && ((var_1_6 || var_1_5) ? (((var_1_20 - ((((var_1_29) > (var_1_12)) ? (var_1_29) : (var_1_12)))) >= var_1_11) ? (var_1_30 == ((unsigned long int) var_1_29)) : (var_1_30 == ((unsigned long int) (((((var_1_20) > (var_1_4)) ? (var_1_20) : (var_1_4))) + ((1000000000u + var_1_31) - var_1_29))))) : (var_1_30 == ((unsigned long int) ((((var_1_26) > (var_1_29)) ? (var_1_26) : (var_1_29))))))) && (((~ var_1_11) >= (~ var_1_20)) ? (var_1_32 == ((double) var_1_17)) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=100000102, var_1_14=100000001, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=7, var_1_1=0, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=100, var_1_25=2, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=4, var_1_30=100, var_1_31=1073741823, var_1_32=4, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L203] RET, EXPR property() [L203] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=100000102, var_1_14=100000001, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=7, var_1_1=0, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=100, var_1_25=2, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=4, var_1_30=100, var_1_31=1073741823, var_1_32=4, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=-100000000, last_1_var_1_16=254/5, last_1_var_1_1=-64, last_1_var_1_24=-100, last_1_var_1_28=-4, last_1_var_1_29=100, last_1_var_1_30=100, var_1_10=-196, var_1_11=100, var_1_12=101, var_1_13=100000102, var_1_14=100000001, var_1_16=254/5, var_1_17=4, var_1_18=5, var_1_19=7, var_1_1=0, var_1_20=32767, var_1_21=6, var_1_22=7, var_1_23=8, var_1_24=100, var_1_25=2, var_1_26=100, var_1_27=8, var_1_28=0, var_1_29=4, var_1_30=100, var_1_31=1073741823, var_1_32=4, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=2, var_1_8=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.7s, OverallIterations: 9, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1480 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1480 mSDsluCounter, 3826 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2525 mSDsCounter, 282 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1787 IncrementalHoareTripleChecker+Invalid, 2069 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 282 mSolverCounterUnsat, 1301 mSDtfsCounter, 1787 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1339 GetRequests, 1277 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=290occurred in iteration=8, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 680 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 1645 NumberOfCodeBlocks, 1645 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1308 ConstructedInterpolants, 0 QuantifiedInterpolants, 10438 SizeOfPredicates, 42 NumberOfNonLiveVariables, 3499 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 8832/8832 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 [2023-11-06 22:20:01,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/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_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f6d0673cf69fd7af24a73adc82b5591f8f7bdc0326d87467cf45e63fbcf1c96a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:20:04,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:20:04,399 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:20:04,406 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:20:04,407 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:20:04,437 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:20:04,450 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:20:04,451 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:20:04,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:20:04,458 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:20:04,458 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:20:04,459 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:20:04,460 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:20:04,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:20:04,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:20:04,461 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:20:04,462 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:20:04,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:20:04,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:20:04,465 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:20:04,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:20:04,466 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:20:04,467 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:20:04,467 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:20:04,467 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:20:04,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:20:04,468 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:20:04,469 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:20:04,469 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:20:04,470 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:20:04,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:20:04,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:20:04,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:20:04,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:20:04,473 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:20:04,473 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:20:04,473 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:20:04,474 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:20:04,474 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:20:04,475 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:20:04,475 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:20:04,476 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:20:04,476 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6d0673cf69fd7af24a73adc82b5591f8f7bdc0326d87467cf45e63fbcf1c96a [2023-11-06 22:20:04,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:20:04,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:20:04,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:20:04,939 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:20:04,940 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:20:04,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-25.i [2023-11-06 22:20:08,457 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:20:08,790 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:20:08,791 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-25.i [2023-11-06 22:20:08,804 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/data/a3d2f3449/3d5001fb8a35409087a4ddbdf933e36d/FLAGea3fee68f [2023-11-06 22:20:08,823 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/data/a3d2f3449/3d5001fb8a35409087a4ddbdf933e36d [2023-11-06 22:20:08,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:20:08,828 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:20:08,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:20:08,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:20:08,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:20:08,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:20:08" (1/1) ... [2023-11-06 22:20:08,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22214f91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:08, skipping insertion in model container [2023-11-06 22:20:08,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:20:08" (1/1) ... [2023-11-06 22:20:08,910 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:20:09,171 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_16d372a6-2484-413b-a5b0-bc9079a03e49/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-25.i[916,929] [2023-11-06 22:20:09,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:20:09,352 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:20:09,371 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_16d372a6-2484-413b-a5b0-bc9079a03e49/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-25.i[916,929] [2023-11-06 22:20:09,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:20:09,488 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:20:09,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:09 WrapperNode [2023-11-06 22:20:09,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:20:09,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:20:09,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:20:09,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:20:09,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:09" (1/1) ... [2023-11-06 22:20:09,535 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:09" (1/1) ... [2023-11-06 22:20:09,591 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 197 [2023-11-06 22:20:09,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:20:09,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:20:09,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:20:09,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:20:09,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:09" (1/1) ... [2023-11-06 22:20:09,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:09" (1/1) ... [2023-11-06 22:20:09,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:09" (1/1) ... [2023-11-06 22:20:09,635 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:09" (1/1) ... [2023-11-06 22:20:09,663 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:09" (1/1) ... [2023-11-06 22:20:09,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:09" (1/1) ... [2023-11-06 22:20:09,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:09" (1/1) ... [2023-11-06 22:20:09,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:09" (1/1) ... [2023-11-06 22:20:09,693 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:20:09,699 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:20:09,709 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:20:09,709 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:20:09,710 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:09" (1/1) ... [2023-11-06 22:20:09,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:20:09,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:20:09,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:20:09,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:20:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:20:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:20:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:20:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:20:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:20:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:20:09,965 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:20:09,967 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:20:14,966 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:20:14,984 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:20:14,986 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:20:14,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:20:14 BoogieIcfgContainer [2023-11-06 22:20:14,990 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:20:14,993 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:20:14,995 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:20:14,999 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:20:15,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:20:08" (1/3) ... [2023-11-06 22:20:15,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e0b7ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:20:15, skipping insertion in model container [2023-11-06 22:20:15,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:20:09" (2/3) ... [2023-11-06 22:20:15,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e0b7ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:20:15, skipping insertion in model container [2023-11-06 22:20:15,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:20:14" (3/3) ... [2023-11-06 22:20:15,008 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-25.i [2023-11-06 22:20:15,032 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:20:15,033 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:20:15,097 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:20:15,106 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4d878733, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:20:15,107 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:20:15,112 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 58 states have internal predecessors, (80), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:20:15,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 22:20:15,134 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:15,135 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:20:15,136 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:15,142 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:15,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1261889, now seen corresponding path program 1 times [2023-11-06 22:20:15,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:20:15,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [813435428] [2023-11-06 22:20:15,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:15,163 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 [2023-11-06 22:20:15,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:20:15,172 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:20:15,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:20:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:16,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:20:16,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:20:16,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 406 proven. 0 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2023-11-06 22:20:16,263 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:20:16,264 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:20:16,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [813435428] [2023-11-06 22:20:16,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [813435428] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:20:16,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:20:16,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:20:16,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221533335] [2023-11-06 22:20:16,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:20:16,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:20:16,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:20:16,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:20:16,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:20:16,308 INFO L87 Difference]: Start difference. First operand has 84 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 58 states have internal predecessors, (80), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-06 22:20:16,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:20:16,359 INFO L93 Difference]: Finished difference Result 161 states and 274 transitions. [2023-11-06 22:20:16,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:20:16,362 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 164 [2023-11-06 22:20:16,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:20:16,375 INFO L225 Difference]: With dead ends: 161 [2023-11-06 22:20:16,375 INFO L226 Difference]: Without dead ends: 80 [2023-11-06 22:20:16,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:20:16,385 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:20:16,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:20:16,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-06 22:20:16,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-06 22:20:16,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 54 states have internal predecessors, (73), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:20:16,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 121 transitions. [2023-11-06 22:20:16,464 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 121 transitions. Word has length 164 [2023-11-06 22:20:16,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:20:16,464 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 121 transitions. [2023-11-06 22:20:16,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-06 22:20:16,465 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 121 transitions. [2023-11-06 22:20:16,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-06 22:20:16,470 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:16,470 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:20:16,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-06 22:20:16,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:20:16,678 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:16,679 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:16,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1353077193, now seen corresponding path program 1 times [2023-11-06 22:20:16,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:20:16,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [792070294] [2023-11-06 22:20:16,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:16,681 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:20:16,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:20:16,683 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:20:16,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:20:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:17,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:20:17,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:20:17,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-06 22:20:17,738 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:20:17,738 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:20:17,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [792070294] [2023-11-06 22:20:17,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [792070294] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:20:17,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:20:17,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:20:17,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962085686] [2023-11-06 22:20:17,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:20:17,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:20:17,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:20:17,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:20:17,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:20:17,745 INFO L87 Difference]: Start difference. First operand 80 states and 121 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:20:20,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:20:22,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:20:22,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:20:22,084 INFO L93 Difference]: Finished difference Result 188 states and 285 transitions. [2023-11-06 22:20:22,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:20:22,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 164 [2023-11-06 22:20:22,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:20:22,143 INFO L225 Difference]: With dead ends: 188 [2023-11-06 22:20:22,143 INFO L226 Difference]: Without dead ends: 111 [2023-11-06 22:20:22,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:20:22,147 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 36 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:20:22,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 230 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time] [2023-11-06 22:20:22,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-06 22:20:22,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 102. [2023-11-06 22:20:22,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 76 states have (on average 1.4078947368421053) internal successors, (107), 76 states have internal predecessors, (107), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-06 22:20:22,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 155 transitions. [2023-11-06 22:20:22,187 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 155 transitions. Word has length 164 [2023-11-06 22:20:22,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:20:22,193 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 155 transitions. [2023-11-06 22:20:22,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:20:22,194 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2023-11-06 22:20:22,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-06 22:20:22,208 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:22,209 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:20:22,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:20:22,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:20:22,417 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:22,417 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:22,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1146571696, now seen corresponding path program 1 times [2023-11-06 22:20:22,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:20:22,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [241478384] [2023-11-06 22:20:22,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:22,420 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 [2023-11-06 22:20:22,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:20:22,422 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:20:22,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 22:20:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:23,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:20:23,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:20:24,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 269 proven. 60 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2023-11-06 22:20:24,343 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:20:24,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-06 22:20:24,637 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:20:24,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [241478384] [2023-11-06 22:20:24,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [241478384] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:20:24,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:20:24,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-06 22:20:24,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069731622] [2023-11-06 22:20:24,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:20:24,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:20:24,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:20:24,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:20:24,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:20:24,642 INFO L87 Difference]: Start difference. First operand 102 states and 155 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:20:26,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:20:28,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:20:29,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:20:29,979 INFO L93 Difference]: Finished difference Result 256 states and 387 transitions. [2023-11-06 22:20:30,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:20:30,045 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 165 [2023-11-06 22:20:30,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:20:30,049 INFO L225 Difference]: With dead ends: 256 [2023-11-06 22:20:30,049 INFO L226 Difference]: Without dead ends: 157 [2023-11-06 22:20:30,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:20:30,052 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 46 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:20:30,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 373 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 2 Unknown, 0 Unchecked, 5.3s Time] [2023-11-06 22:20:30,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-11-06 22:20:30,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 146. [2023-11-06 22:20:30,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 117 states have (on average 1.4017094017094016) internal successors, (164), 118 states have internal predecessors, (164), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-06 22:20:30,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 216 transitions. [2023-11-06 22:20:30,086 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 216 transitions. Word has length 165 [2023-11-06 22:20:30,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:20:30,088 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 216 transitions. [2023-11-06 22:20:30,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-06 22:20:30,088 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 216 transitions. [2023-11-06 22:20:30,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-06 22:20:30,092 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:30,092 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:20:30,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/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)] Forceful destruction successful, exit code 0 [2023-11-06 22:20:30,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:20:30,293 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:30,294 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:30,294 INFO L85 PathProgramCache]: Analyzing trace with hash 2137278350, now seen corresponding path program 1 times [2023-11-06 22:20:30,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:20:30,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1674495097] [2023-11-06 22:20:30,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:30,295 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 [2023-11-06 22:20:30,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:20:30,305 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:20:30,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/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 (5)] Waiting until timeout for monitored process [2023-11-06 22:20:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:31,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-06 22:20:31,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:20:41,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 624 proven. 87 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2023-11-06 22:20:41,423 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:20:53,454 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:20:53,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1674495097] [2023-11-06 22:20:53,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1674495097] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:20:53,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1498668101] [2023-11-06 22:20:53,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:53,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:20:53,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:20:53,460 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:20:53,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-06 22:20:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:57,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:20:57,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:00,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2023-11-06 22:21:00,559 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:21:10,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1498668101] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:21:10,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:21:10,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 7] total 21 [2023-11-06 22:21:10,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442482553] [2023-11-06 22:21:10,552 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:21:10,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-06 22:21:10,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:21:10,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-06 22:21:10,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=731, Unknown=2, NotChecked=0, Total=992 [2023-11-06 22:21:10,558 INFO L87 Difference]: Start difference. First operand 146 states and 216 transitions. Second operand has 22 states, 22 states have (on average 4.7727272727272725) internal successors, (105), 21 states have internal predecessors, (105), 5 states have call successors, (48), 5 states have call predecessors, (48), 8 states have return successors, (48), 5 states have call predecessors, (48), 5 states have call successors, (48) [2023-11-06 22:21:21,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:21:23,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:21:26,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:21:30,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:21:32,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:21:34,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:21:36,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:21:38,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:21:42,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:21:44,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:21:46,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:21:52,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:21:54,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:21:56,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:21:57,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:21:59,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:22:01,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:22:04,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:22:06,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:22:07,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:22:10,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:22:12,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:22:18,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:22:20,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:22:22,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:22:24,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:22:25,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:22:28,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:22:30,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:22:31,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:31,913 INFO L93 Difference]: Finished difference Result 736 states and 1085 transitions. [2023-11-06 22:22:31,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-06 22:22:31,925 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.7727272727272725) internal successors, (105), 21 states have internal predecessors, (105), 5 states have call successors, (48), 5 states have call predecessors, (48), 8 states have return successors, (48), 5 states have call predecessors, (48), 5 states have call successors, (48) Word has length 165 [2023-11-06 22:22:31,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:31,933 INFO L225 Difference]: With dead ends: 736 [2023-11-06 22:22:31,934 INFO L226 Difference]: Without dead ends: 593 [2023-11-06 22:22:31,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 753 ImplicationChecksByTransitivity, 19.0s TimeCoverageRelationStatistics Valid=834, Invalid=2356, Unknown=2, NotChecked=0, Total=3192 [2023-11-06 22:22:31,937 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 580 mSDsluCounter, 1326 mSDsCounter, 0 mSdLazyCounter, 1736 mSolverCounterSat, 135 mSolverCounterUnsat, 24 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 1512 SdHoareTripleChecker+Invalid, 1895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 1736 IncrementalHoareTripleChecker+Invalid, 24 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 76.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:31,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 1512 Invalid, 1895 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [135 Valid, 1736 Invalid, 24 Unknown, 0 Unchecked, 76.6s Time] [2023-11-06 22:22:31,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2023-11-06 22:22:32,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 287. [2023-11-06 22:22:32,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 230 states have (on average 1.382608695652174) internal successors, (318), 231 states have internal predecessors, (318), 50 states have call successors, (50), 6 states have call predecessors, (50), 6 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-06 22:22:32,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 418 transitions. [2023-11-06 22:22:32,030 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 418 transitions. Word has length 165 [2023-11-06 22:22:32,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:32,031 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 418 transitions. [2023-11-06 22:22:32,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.7727272727272725) internal successors, (105), 21 states have internal predecessors, (105), 5 states have call successors, (48), 5 states have call predecessors, (48), 8 states have return successors, (48), 5 states have call predecessors, (48), 5 states have call successors, (48) [2023-11-06 22:22:32,032 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 418 transitions. [2023-11-06 22:22:32,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-06 22:22:32,034 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:32,035 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:32,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/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 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:32,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:32,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt [2023-11-06 22:22:32,459 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:32,459 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:32,459 INFO L85 PathProgramCache]: Analyzing trace with hash 765443856, now seen corresponding path program 1 times [2023-11-06 22:22:32,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:22:32,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [649296832] [2023-11-06 22:22:32,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:32,461 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 [2023-11-06 22:22:32,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:22:32,462 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:22:32,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/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)] Waiting until timeout for monitored process [2023-11-06 22:22:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:33,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-06 22:22:33,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:41,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 624 proven. 87 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2023-11-06 22:22:41,842 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:22:53,808 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:22:53,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [649296832] [2023-11-06 22:22:53,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [649296832] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:22:53,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [347019321] [2023-11-06 22:22:53,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:53,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:22:53,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:22:53,811 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:22:53,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d372a6-2484-413b-a5b0-bc9079a03e49/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-06 22:22:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:57,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 22:22:57,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:01,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 563 proven. 39 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2023-11-06 22:23:01,488 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:23:04,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [347019321] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:23:04,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:23:04,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 24 [2023-11-06 22:23:04,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684318604] [2023-11-06 22:23:04,288 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:23:04,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-06 22:23:04,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:23:04,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-06 22:23:04,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=284, Invalid=1122, Unknown=0, NotChecked=0, Total=1406 [2023-11-06 22:23:04,293 INFO L87 Difference]: Start difference. First operand 287 states and 418 transitions. Second operand has 25 states, 25 states have (on average 4.24) internal successors, (106), 24 states have internal predecessors, (106), 5 states have call successors, (48), 5 states have call predecessors, (48), 8 states have return successors, (48), 5 states have call predecessors, (48), 5 states have call successors, (48) [2023-11-06 22:23:14,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:23:17,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:23:20,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:23:22,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:23:25,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:23:28,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:23:31,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:23:32,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:23:34,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []