./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-67.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd38e103082400978e963855c45ad16aea167d5793b2ed8eb8338e9d66135232 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:17:26,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:17:27,005 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:17:27,014 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:17:27,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:17:27,065 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:17:27,066 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:17:27,066 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:17:27,068 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:17:27,074 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:17:27,076 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:17:27,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:17:27,077 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:17:27,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:17:27,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:17:27,080 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:17:27,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:17:27,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:17:27,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:17:27,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:17:27,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:17:27,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:17:27,084 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:17:27,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:17:27,086 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:17:27,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:17:27,087 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:17:27,088 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:17:27,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:17:27,089 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:17:27,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:17:27,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:17:27,092 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:17:27,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:17:27,092 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:17:27,093 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:17:27,093 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:17:27,093 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:17:27,093 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:17:27,094 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_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd38e103082400978e963855c45ad16aea167d5793b2ed8eb8338e9d66135232 [2023-11-12 02:17:27,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:17:27,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:17:27,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:17:27,471 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:17:27,472 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:17:27,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-67.i [2023-11-12 02:17:30,786 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:17:31,010 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:17:31,011 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-67.i [2023-11-12 02:17:31,020 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/data/14e1cb8ad/c1a002debb83416db1ee127591b25fee/FLAGf78ffd304 [2023-11-12 02:17:31,037 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/data/14e1cb8ad/c1a002debb83416db1ee127591b25fee [2023-11-12 02:17:31,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:17:31,042 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:17:31,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:17:31,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:17:31,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:17:31,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:17:31" (1/1) ... [2023-11-12 02:17:31,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@458fb1c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:31, skipping insertion in model container [2023-11-12 02:17:31,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:17:31" (1/1) ... [2023-11-12 02:17:31,083 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:17:31,262 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_3f5fc011-4520-4e10-b0fa-53c0bdebc585/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-67.i[915,928] [2023-11-12 02:17:31,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:17:31,322 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:17:31,335 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_3f5fc011-4520-4e10-b0fa-53c0bdebc585/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-67.i[915,928] [2023-11-12 02:17:31,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:17:31,385 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:17:31,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:31 WrapperNode [2023-11-12 02:17:31,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:17:31,387 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:17:31,387 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:17:31,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:17:31,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:31" (1/1) ... [2023-11-12 02:17:31,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:31" (1/1) ... [2023-11-12 02:17:31,447 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2023-11-12 02:17:31,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:17:31,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:17:31,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:17:31,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:17:31,460 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:31" (1/1) ... [2023-11-12 02:17:31,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:31" (1/1) ... [2023-11-12 02:17:31,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:31" (1/1) ... [2023-11-12 02:17:31,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:31" (1/1) ... [2023-11-12 02:17:31,472 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:31" (1/1) ... [2023-11-12 02:17:31,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:31" (1/1) ... [2023-11-12 02:17:31,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:31" (1/1) ... [2023-11-12 02:17:31,480 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:31" (1/1) ... [2023-11-12 02:17:31,484 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:17:31,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:17:31,486 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:17:31,486 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:17:31,487 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:31" (1/1) ... [2023-11-12 02:17:31,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:17:31,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:17:31,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:17:31,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:17:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:17:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:17:31,580 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:17:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:17:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:17:31,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:17:31,679 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:17:31,681 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:17:32,037 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:17:32,044 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:17:32,045 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:17:32,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:17:32 BoogieIcfgContainer [2023-11-12 02:17:32,047 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:17:32,050 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:17:32,050 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:17:32,054 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:17:32,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:17:31" (1/3) ... [2023-11-12 02:17:32,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e58159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:17:32, skipping insertion in model container [2023-11-12 02:17:32,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:31" (2/3) ... [2023-11-12 02:17:32,056 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e58159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:17:32, skipping insertion in model container [2023-11-12 02:17:32,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:17:32" (3/3) ... [2023-11-12 02:17:32,058 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-67.i [2023-11-12 02:17:32,080 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:17:32,080 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:17:32,138 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:17:32,145 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6eaa9918, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:17:32,146 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:17:32,150 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 02:17:32,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-12 02:17:32,168 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:17:32,169 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:17:32,170 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:17:32,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:17:32,175 INFO L85 PathProgramCache]: Analyzing trace with hash 442203561, now seen corresponding path program 1 times [2023-11-12 02:17:32,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:17:32,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551538991] [2023-11-12 02:17:32,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:17:32,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:17:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:32,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:17:32,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551538991] [2023-11-12 02:17:32,415 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:17:32,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693226674] [2023-11-12 02:17:32,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:17:32,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:17:32,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:17:32,427 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:17:32,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:17:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:32,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:17:32,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:17:32,763 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-11-12 02:17:32,769 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:17:32,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693226674] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:17:32,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:17:32,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:17:32,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332832568] [2023-11-12 02:17:32,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:17:32,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:17:32,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:17:32,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:17:32,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:17:32,816 INFO L87 Difference]: Start difference. First operand has 53 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-12 02:17:32,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:17:32,857 INFO L93 Difference]: Finished difference Result 99 states and 171 transitions. [2023-11-12 02:17:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:17:32,859 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 117 [2023-11-12 02:17:32,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:17:32,869 INFO L225 Difference]: With dead ends: 99 [2023-11-12 02:17:32,869 INFO L226 Difference]: Without dead ends: 49 [2023-11-12 02:17:32,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:17:32,880 INFO L413 NwaCegarLoop]: 72 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, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:17:32,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:17:32,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-12 02:17:32,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-12 02:17:32,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 02:17:32,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 72 transitions. [2023-11-12 02:17:32,947 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 72 transitions. Word has length 117 [2023-11-12 02:17:32,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:17:32,948 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 72 transitions. [2023-11-12 02:17:32,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-12 02:17:32,949 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2023-11-12 02:17:32,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-12 02:17:32,956 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:17:32,957 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:17:32,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:17:33,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 02:17:33,164 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:17:33,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:17:33,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1663638361, now seen corresponding path program 1 times [2023-11-12 02:17:33,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:17:33,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385755637] [2023-11-12 02:17:33,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:17:33,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:17:33,245 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:17:33,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1785509570] [2023-11-12 02:17:33,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:17:33,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:17:33,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:17:33,248 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:17:33,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:17:33,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:33,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:17:33,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:17:33,460 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-12 02:17:33,460 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:17:33,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:17:33,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385755637] [2023-11-12 02:17:33,461 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:17:33,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785509570] [2023-11-12 02:17:33,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785509570] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:17:33,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:17:33,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:17:33,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511328188] [2023-11-12 02:17:33,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:17:33,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:17:33,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:17:33,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:17:33,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:17:33,466 INFO L87 Difference]: Start difference. First operand 49 states and 72 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 02:17:33,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:17:33,509 INFO L93 Difference]: Finished difference Result 105 states and 153 transitions. [2023-11-12 02:17:33,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:17:33,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 117 [2023-11-12 02:17:33,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:17:33,513 INFO L225 Difference]: With dead ends: 105 [2023-11-12 02:17:33,513 INFO L226 Difference]: Without dead ends: 59 [2023-11-12 02:17:33,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:17:33,516 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 10 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:17:33,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 130 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:17:33,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-12 02:17:33,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 50. [2023-11-12 02:17:33,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 02:17:33,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2023-11-12 02:17:33,528 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 117 [2023-11-12 02:17:33,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:17:33,531 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2023-11-12 02:17:33,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 02:17:33,531 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2023-11-12 02:17:33,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-12 02:17:33,534 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:17:33,534 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:17:33,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:17:33,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-12 02:17:33,741 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:17:33,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:17:33,742 INFO L85 PathProgramCache]: Analyzing trace with hash 111369001, now seen corresponding path program 1 times [2023-11-12 02:17:33,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:17:33,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253996234] [2023-11-12 02:17:33,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:17:33,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:17:33,807 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:17:33,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1982627906] [2023-11-12 02:17:33,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:17:33,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:17:33,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:17:33,819 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:17:33,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:17:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:17:34,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:17:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:17:34,506 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:17:34,506 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:17:34,508 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:17:34,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:17:34,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:17:34,720 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-12 02:17:34,723 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:17:34,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:17:34 BoogieIcfgContainer [2023-11-12 02:17:34,857 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:17:34,862 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:17:34,862 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:17:34,862 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:17:34,863 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:17:32" (3/4) ... [2023-11-12 02:17:34,865 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:17:34,866 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:17:34,867 INFO L158 Benchmark]: Toolchain (without parser) took 3825.05ms. Allocated memory is still 184.5MB. Free memory was 145.7MB in the beginning and 81.5MB in the end (delta: 64.2MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2023-11-12 02:17:34,868 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:17:34,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.48ms. Allocated memory is still 184.5MB. Free memory was 145.7MB in the beginning and 133.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:17:34,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.15ms. Allocated memory is still 184.5MB. Free memory was 133.1MB in the beginning and 131.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:17:34,869 INFO L158 Benchmark]: Boogie Preprocessor took 35.66ms. Allocated memory is still 184.5MB. Free memory was 131.0MB in the beginning and 129.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:17:34,870 INFO L158 Benchmark]: RCFGBuilder took 562.08ms. Allocated memory is still 184.5MB. Free memory was 129.5MB in the beginning and 112.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 02:17:34,870 INFO L158 Benchmark]: TraceAbstraction took 2807.00ms. Allocated memory is still 184.5MB. Free memory was 112.1MB in the beginning and 81.5MB in the end (delta: 30.6MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2023-11-12 02:17:34,871 INFO L158 Benchmark]: Witness Printer took 4.68ms. Allocated memory is still 184.5MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:17:34,886 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.48ms. Allocated memory is still 184.5MB. Free memory was 145.7MB in the beginning and 133.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.15ms. Allocated memory is still 184.5MB. Free memory was 133.1MB in the beginning and 131.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.66ms. Allocated memory is still 184.5MB. Free memory was 131.0MB in the beginning and 129.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 562.08ms. Allocated memory is still 184.5MB. Free memory was 129.5MB in the beginning and 112.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2807.00ms. Allocated memory is still 184.5MB. Free memory was 112.1MB in the beginning and 81.5MB in the end (delta: 30.6MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * Witness Printer took 4.68ms. Allocated memory is still 184.5MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 98. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 2; [L23] signed short int var_1_4 = -64; [L24] signed short int var_1_5 = 256; [L25] unsigned short int var_1_6 = 128; [L26] signed short int var_1_7 = -128; [L27] unsigned short int var_1_8 = 16; [L28] unsigned short int var_1_9 = 256; [L29] signed long int var_1_10 = 128; [L30] unsigned short int var_1_11 = 47512; [L31] unsigned char var_1_12 = 16; [L32] unsigned char var_1_13 = 1; [L33] float var_1_14 = 5.5; [L34] float var_1_15 = 24.5; [L35] signed short int last_1_var_1_1 = 2; [L36] unsigned short int last_1_var_1_6 = 128; VAL [isInitial=0, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-64, var_1_5=256, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L102] isInitial = 1 [L103] FCALL initially() [L104] COND TRUE 1 [L105] CALL updateLastVariables() [L94] last_1_var_1_1 = var_1_1 [L95] last_1_var_1_6 = var_1_6 VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=-64, var_1_5=256, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L105] RET updateLastVariables() [L106] CALL updateVariables() [L64] var_1_4 = __VERIFIER_nondet_short() [L65] CALL assume_abort_if_not(var_1_4 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=256, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=256, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L65] RET assume_abort_if_not(var_1_4 >= -16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=256, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L66] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=256, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=256, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L66] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=256, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L67] var_1_5 = __VERIFIER_nondet_short() [L68] CALL assume_abort_if_not(var_1_5 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L68] RET assume_abort_if_not(var_1_5 >= -16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L69] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L69] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=-128, var_1_8=16, var_1_9=256] [L70] var_1_7 = __VERIFIER_nondet_short() [L71] CALL assume_abort_if_not(var_1_7 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=16, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=16, var_1_9=256] [L71] RET assume_abort_if_not(var_1_7 >= -32768) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=16, var_1_9=256] [L72] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=16, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=16, var_1_9=256] [L72] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=16, var_1_9=256] [L73] CALL assume_abort_if_not(var_1_7 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=16, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=16, var_1_9=256] [L73] RET assume_abort_if_not(var_1_7 != 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=16, var_1_9=256] [L74] var_1_8 = __VERIFIER_nondet_ushort() [L75] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=256] [L75] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=256] [L76] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=256] [L76] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=256] [L77] var_1_9 = __VERIFIER_nondet_ushort() [L78] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L78] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L79] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L79] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=47512, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L80] var_1_11 = __VERIFIER_nondet_ushort() [L81] CALL assume_abort_if_not(var_1_11 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L81] RET assume_abort_if_not(var_1_11 >= 32767) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L82] CALL assume_abort_if_not(var_1_11 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L82] RET assume_abort_if_not(var_1_11 <= 65535) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=16, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L83] var_1_12 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L84] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L85] CALL assume_abort_if_not(var_1_12 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L85] RET assume_abort_if_not(var_1_12 <= 255) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L86] CALL assume_abort_if_not(var_1_12 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L86] RET assume_abort_if_not(var_1_12 != 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L87] var_1_13 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L88] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L89] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L89] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=49/2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L90] var_1_15 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L91] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L106] RET updateVariables() [L107] CALL step() [L40] signed long int stepLocal_1 = last_1_var_1_6; [L41] signed long int stepLocal_0 = last_1_var_1_6; VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, stepLocal_0=128, stepLocal_1=128, var_1_10=128, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L42] COND FALSE !(stepLocal_0 >= (var_1_11 - var_1_8)) [L53] var_1_10 = last_1_var_1_1 VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, stepLocal_0=128, stepLocal_1=128, var_1_10=2, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L55] COND FALSE !(! (var_1_10 <= last_1_var_1_1)) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, stepLocal_0=128, stepLocal_1=128, var_1_10=2, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=128, var_1_7=3, var_1_8=0, var_1_9=0] [L58] COND TRUE var_1_4 > (var_1_10 / var_1_7) [L59] var_1_6 = (var_1_8 + var_1_9) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, stepLocal_0=128, stepLocal_1=128, var_1_10=2, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=11/2, var_1_15=2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3, var_1_8=0, var_1_9=0] [L61] var_1_14 = var_1_15 VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, stepLocal_0=128, stepLocal_1=128, var_1_10=2, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=2, var_1_15=2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3, var_1_8=0, var_1_9=0] [L107] RET step() [L108] CALL, EXPR property() [L98-L99] return ((((! (var_1_10 <= last_1_var_1_1)) ? (var_1_1 == ((signed short int) (var_1_4 + var_1_5))) : 1) && ((var_1_4 > (var_1_10 / var_1_7)) ? (var_1_6 == ((unsigned short int) (var_1_8 + var_1_9))) : 1)) && ((last_1_var_1_6 >= (var_1_11 - var_1_8)) ? (((var_1_7 / var_1_12) <= last_1_var_1_6) ? (var_1_10 == ((signed long int) ((last_1_var_1_6 - var_1_8) + -32))) : (var_1_13 ? (var_1_10 == ((signed long int) ((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))))) : (var_1_10 == ((signed long int) var_1_5)))) : (var_1_10 == ((signed long int) last_1_var_1_1)))) && (var_1_14 == ((float) var_1_15)) ; VAL [\result=0, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=2, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=2, var_1_15=2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3, var_1_8=0, var_1_9=0] [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=2, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=2, var_1_15=2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, var_1_10=2, var_1_11=65535, var_1_12=2, var_1_13=1, var_1_14=2, var_1_15=2, var_1_1=2, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=3, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 3, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 202 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 61 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 141 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 232 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 468 NumberOfCodeBlocks, 468 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 234 SizeOfPredicates, 0 NumberOfNonLiveVariables, 562 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1368/1368 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 02:17:34,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd38e103082400978e963855c45ad16aea167d5793b2ed8eb8338e9d66135232 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:17:37,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:17:37,943 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:17:37,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:17:37,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:17:37,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:17:37,990 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:17:37,991 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:17:37,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:17:37,992 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:17:37,993 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:17:37,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:17:37,995 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:17:37,996 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:17:37,996 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:17:37,997 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:17:37,998 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:17:37,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:17:37,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:17:37,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:17:38,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:17:38,001 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:17:38,001 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:17:38,002 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:17:38,002 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:17:38,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:17:38,003 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:17:38,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:17:38,004 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:17:38,005 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:17:38,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:17:38,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:17:38,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:17:38,007 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:17:38,007 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:17:38,008 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:17:38,008 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:17:38,009 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:17:38,009 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:17:38,010 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:17:38,010 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:17:38,011 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:17:38,011 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_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd38e103082400978e963855c45ad16aea167d5793b2ed8eb8338e9d66135232 [2023-11-12 02:17:38,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:17:38,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:17:38,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:17:38,522 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:17:38,523 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:17:38,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-67.i [2023-11-12 02:17:41,696 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:17:41,992 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:17:41,993 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-67.i [2023-11-12 02:17:42,003 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/data/4806a90ed/e6321a5e75ca4192af6f2343ab1aa7ae/FLAG30b0e56d5 [2023-11-12 02:17:42,021 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/data/4806a90ed/e6321a5e75ca4192af6f2343ab1aa7ae [2023-11-12 02:17:42,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:17:42,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:17:42,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:17:42,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:17:42,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:17:42,034 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:17:42" (1/1) ... [2023-11-12 02:17:42,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b2e68f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:42, skipping insertion in model container [2023-11-12 02:17:42,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:17:42" (1/1) ... [2023-11-12 02:17:42,065 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:17:42,228 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_3f5fc011-4520-4e10-b0fa-53c0bdebc585/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-67.i[915,928] [2023-11-12 02:17:42,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:17:42,299 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:17:42,315 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_3f5fc011-4520-4e10-b0fa-53c0bdebc585/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-67.i[915,928] [2023-11-12 02:17:42,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:17:42,363 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:17:42,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:42 WrapperNode [2023-11-12 02:17:42,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:17:42,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:17:42,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:17:42,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:17:42,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:42" (1/1) ... [2023-11-12 02:17:42,406 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:42" (1/1) ... [2023-11-12 02:17:42,455 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2023-11-12 02:17:42,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:17:42,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:17:42,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:17:42,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:17:42,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:42" (1/1) ... [2023-11-12 02:17:42,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:42" (1/1) ... [2023-11-12 02:17:42,490 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:42" (1/1) ... [2023-11-12 02:17:42,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:42" (1/1) ... [2023-11-12 02:17:42,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:42" (1/1) ... [2023-11-12 02:17:42,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:42" (1/1) ... [2023-11-12 02:17:42,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:42" (1/1) ... [2023-11-12 02:17:42,541 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:42" (1/1) ... [2023-11-12 02:17:42,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:17:42,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:17:42,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:17:42,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:17:42,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:42" (1/1) ... [2023-11-12 02:17:42,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:17:42,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:17:42,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:17:42,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:17:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:17:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:17:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:17:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:17:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:17:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:17:42,804 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:17:42,812 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:17:43,402 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:17:43,410 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:17:43,410 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:17:43,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:17:43 BoogieIcfgContainer [2023-11-12 02:17:43,415 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:17:43,418 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:17:43,418 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:17:43,422 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:17:43,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:17:42" (1/3) ... [2023-11-12 02:17:43,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58cc8340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:17:43, skipping insertion in model container [2023-11-12 02:17:43,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:42" (2/3) ... [2023-11-12 02:17:43,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58cc8340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:17:43, skipping insertion in model container [2023-11-12 02:17:43,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:17:43" (3/3) ... [2023-11-12 02:17:43,426 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-67.i [2023-11-12 02:17:43,449 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:17:43,450 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:17:43,519 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:17:43,527 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@a60b3dc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:17:43,527 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:17:43,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 02:17:43,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-12 02:17:43,555 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:17:43,556 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:17:43,559 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:17:43,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:17:43,569 INFO L85 PathProgramCache]: Analyzing trace with hash 442203561, now seen corresponding path program 1 times [2023-11-12 02:17:43,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:17:43,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [970393571] [2023-11-12 02:17:43,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:17:43,591 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:17:43,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:17:43,598 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 02:17:43,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 02:17:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:43,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:17:43,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:17:43,950 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-11-12 02:17:43,951 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:17:43,951 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:17:43,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [970393571] [2023-11-12 02:17:43,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [970393571] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:17:43,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:17:43,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:17:43,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099621559] [2023-11-12 02:17:43,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:17:43,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:17:43,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:17:43,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:17:43,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:17:44,000 INFO L87 Difference]: Start difference. First operand has 53 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-12 02:17:44,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:17:44,063 INFO L93 Difference]: Finished difference Result 99 states and 171 transitions. [2023-11-12 02:17:44,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:17:44,067 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 117 [2023-11-12 02:17:44,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:17:44,077 INFO L225 Difference]: With dead ends: 99 [2023-11-12 02:17:44,078 INFO L226 Difference]: Without dead ends: 49 [2023-11-12 02:17:44,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:17:44,090 INFO L413 NwaCegarLoop]: 72 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, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:17:44,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:17:44,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-12 02:17:44,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-12 02:17:44,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-12 02:17:44,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 72 transitions. [2023-11-12 02:17:44,169 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 72 transitions. Word has length 117 [2023-11-12 02:17:44,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:17:44,169 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 72 transitions. [2023-11-12 02:17:44,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-12 02:17:44,170 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2023-11-12 02:17:44,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-12 02:17:44,184 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:17:44,185 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:17:44,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:17:44,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:17:44,402 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:17:44,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:17:44,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1663638361, now seen corresponding path program 1 times [2023-11-12 02:17:44,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:17:44,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1423560759] [2023-11-12 02:17:44,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:17:44,405 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:17:44,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:17:44,436 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 02:17:44,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-12 02:17:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:44,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:17:44,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:17:45,088 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-12 02:17:45,088 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:17:45,089 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:17:45,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1423560759] [2023-11-12 02:17:45,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1423560759] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:17:45,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:17:45,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:17:45,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033515458] [2023-11-12 02:17:45,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:17:45,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:17:45,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:17:45,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:17:45,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:17:45,095 INFO L87 Difference]: Start difference. First operand 49 states and 72 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 02:17:45,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:17:45,924 INFO L93 Difference]: Finished difference Result 196 states and 289 transitions. [2023-11-12 02:17:45,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:17:45,933 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 117 [2023-11-12 02:17:45,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:17:45,938 INFO L225 Difference]: With dead ends: 196 [2023-11-12 02:17:45,938 INFO L226 Difference]: Without dead ends: 150 [2023-11-12 02:17:45,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:17:45,941 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 93 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-12 02:17:45,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 280 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-12 02:17:45,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-11-12 02:17:45,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 94. [2023-11-12 02:17:45,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 53 states have internal predecessors, (65), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-12 02:17:45,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 141 transitions. [2023-11-12 02:17:45,987 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 141 transitions. Word has length 117 [2023-11-12 02:17:45,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:17:45,988 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 141 transitions. [2023-11-12 02:17:45,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 02:17:45,989 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 141 transitions. [2023-11-12 02:17:45,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-12 02:17:45,991 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:17:45,992 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:17:46,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:17:46,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:17:46,192 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:17:46,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:17:46,193 INFO L85 PathProgramCache]: Analyzing trace with hash 111369001, now seen corresponding path program 1 times [2023-11-12 02:17:46,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:17:46,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777690391] [2023-11-12 02:17:46,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:17:46,194 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:17:46,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:17:46,201 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 02:17:46,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5fc011-4520-4e10-b0fa-53c0bdebc585/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:17:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:17:46,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-12 02:17:46,415 INFO L285 TraceCheckSpWp]: Computing forward predicates...