./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu --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 99f1799baf7f5c9d7d37d9cf695471ea76a03c314cf5ba1feb06a277131aa58f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:39:52,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:39:52,607 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:39:52,616 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:39:52,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:39:52,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:39:52,658 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:39:52,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:39:52,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:39:52,665 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:39:52,666 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:39:52,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:39:52,666 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:39:52,668 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:39:52,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:39:52,669 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:39:52,670 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:39:52,670 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:39:52,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:39:52,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:39:52,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:39:52,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:39:52,672 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:39:52,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:39:52,673 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:39:52,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:39:52,674 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:39:52,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:39:52,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:39:52,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:39:52,677 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:39:52,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:39:52,677 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:39:52,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:39:52,678 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:39:52,678 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:39:52,678 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:39:52,678 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:39:52,679 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:39:52,679 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_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f1799baf7f5c9d7d37d9cf695471ea76a03c314cf5ba1feb06a277131aa58f [2023-11-19 07:39:52,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:39:53,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:39:53,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:39:53,005 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:39:53,006 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:39:53,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i [2023-11-19 07:39:56,326 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:39:56,567 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:39:56,568 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i [2023-11-19 07:39:56,576 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/data/536dc1f30/8ee5d7f5d9614468b6a89e8388f8bb2e/FLAG11074cd0a [2023-11-19 07:39:56,591 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/data/536dc1f30/8ee5d7f5d9614468b6a89e8388f8bb2e [2023-11-19 07:39:56,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:39:56,595 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:39:56,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:56,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:39:56,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:39:56,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:56" (1/1) ... [2023-11-19 07:39:56,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c886f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:56, skipping insertion in model container [2023-11-19 07:39:56,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:56" (1/1) ... [2023-11-19 07:39:56,637 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:39:56,815 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_fe5bd397-0faa-4a39-a864-0a0d9c43685a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i[916,929] [2023-11-19 07:39:56,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:56,888 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:39:56,902 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_fe5bd397-0faa-4a39-a864-0a0d9c43685a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i[916,929] [2023-11-19 07:39:56,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:56,941 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:39:56,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:56 WrapperNode [2023-11-19 07:39:56,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:56,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:56,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:39:56,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:39:56,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:56" (1/1) ... [2023-11-19 07:39:56,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:56" (1/1) ... [2023-11-19 07:39:56,995 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2023-11-19 07:39:57,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:57,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:39:57,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:39:57,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:39:57,011 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:56" (1/1) ... [2023-11-19 07:39:57,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:56" (1/1) ... [2023-11-19 07:39:57,014 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:56" (1/1) ... [2023-11-19 07:39:57,014 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:56" (1/1) ... [2023-11-19 07:39:57,027 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:56" (1/1) ... [2023-11-19 07:39:57,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:56" (1/1) ... [2023-11-19 07:39:57,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:56" (1/1) ... [2023-11-19 07:39:57,040 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:56" (1/1) ... [2023-11-19 07:39:57,043 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:39:57,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:39:57,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:39:57,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:39:57,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:56" (1/1) ... [2023-11-19 07:39:57,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:39:57,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:57,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:57,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:39:57,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:39:57,130 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:39:57,130 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:39:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:39:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:39:57,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:39:57,239 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:39:57,242 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:39:57,515 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:39:57,557 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:39:57,557 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:39:57,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:57 BoogieIcfgContainer [2023-11-19 07:39:57,561 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:39:57,564 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:39:57,564 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:39:57,567 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:39:57,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:39:56" (1/3) ... [2023-11-19 07:39:57,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150cfeae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:57, skipping insertion in model container [2023-11-19 07:39:57,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:56" (2/3) ... [2023-11-19 07:39:57,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@150cfeae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:57, skipping insertion in model container [2023-11-19 07:39:57,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:57" (3/3) ... [2023-11-19 07:39:57,577 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-65.i [2023-11-19 07:39:57,611 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:39:57,613 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:39:57,666 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:39:57,673 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;@7d04b76d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:39:57,674 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:39:57,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:39:57,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 07:39:57,695 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:57,696 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:57,697 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:57,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:57,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1997361240, now seen corresponding path program 1 times [2023-11-19 07:39:57,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:57,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898415446] [2023-11-19 07:39:57,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:57,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:39:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:39:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:39:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:39:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:39:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:39:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:39:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 07:39:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:39:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:39:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:39:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 07:39:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 07:39:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-19 07:39:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:39:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-19 07:39:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:58,149 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-19 07:39:58,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:58,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898415446] [2023-11-19 07:39:58,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898415446] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:58,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:58,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:39:58,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680249278] [2023-11-19 07:39:58,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:58,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:39:58,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:58,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:39:58,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:39:58,220 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 07:39:58,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:58,248 INFO L93 Difference]: Finished difference Result 93 states and 158 transitions. [2023-11-19 07:39:58,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:39:58,251 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102 [2023-11-19 07:39:58,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:39:58,259 INFO L225 Difference]: With dead ends: 93 [2023-11-19 07:39:58,259 INFO L226 Difference]: Without dead ends: 46 [2023-11-19 07:39:58,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:39:58,266 INFO L413 NwaCegarLoop]: 66 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, 66 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:39:58,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:39:58,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-19 07:39:58,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-19 07:39:58,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:39:58,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 66 transitions. [2023-11-19 07:39:58,329 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 66 transitions. Word has length 102 [2023-11-19 07:39:58,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:39:58,329 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 66 transitions. [2023-11-19 07:39:58,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 07:39:58,330 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2023-11-19 07:39:58,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 07:39:58,333 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:58,334 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:58,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:39:58,334 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:58,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:58,335 INFO L85 PathProgramCache]: Analyzing trace with hash 925118552, now seen corresponding path program 1 times [2023-11-19 07:39:58,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:58,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066676695] [2023-11-19 07:39:58,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:58,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:00,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:40:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:00,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:40:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:00,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:40:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:00,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:40:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:00,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:40:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:00,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:40:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:00,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:40:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:00,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 07:40:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:00,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:40:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:00,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:40:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:00,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:40:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:00,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 07:40:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:00,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 07:40:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:00,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-19 07:40:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:00,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:40:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:00,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-19 07:40:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:00,895 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-19 07:40:00,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:00,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066676695] [2023-11-19 07:40:00,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066676695] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:00,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:00,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 07:40:00,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352804438] [2023-11-19 07:40:00,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:00,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 07:40:00,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:00,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:40:00,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:40:00,901 INFO L87 Difference]: Start difference. First operand 46 states and 66 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-19 07:40:01,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:01,343 INFO L93 Difference]: Finished difference Result 156 states and 227 transitions. [2023-11-19 07:40:01,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-19 07:40:01,344 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 102 [2023-11-19 07:40:01,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:01,348 INFO L225 Difference]: With dead ends: 156 [2023-11-19 07:40:01,348 INFO L226 Difference]: Without dead ends: 113 [2023-11-19 07:40:01,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2023-11-19 07:40:01,351 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 90 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:01,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 420 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:40:01,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-19 07:40:01,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 67. [2023-11-19 07:40:01,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 47 states have internal predecessors, (56), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:40:01,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 92 transitions. [2023-11-19 07:40:01,373 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 92 transitions. Word has length 102 [2023-11-19 07:40:01,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:01,374 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 92 transitions. [2023-11-19 07:40:01,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-19 07:40:01,375 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2023-11-19 07:40:01,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 07:40:01,377 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:01,378 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:01,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:40:01,378 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:01,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:01,379 INFO L85 PathProgramCache]: Analyzing trace with hash -2108976808, now seen corresponding path program 1 times [2023-11-19 07:40:01,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:01,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917963535] [2023-11-19 07:40:01,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:01,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:01,464 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:40:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:01,563 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:40:01,564 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:40:01,565 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:40:01,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:40:01,570 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 07:40:01,574 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:40:01,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:40:01 BoogieIcfgContainer [2023-11-19 07:40:01,676 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:40:01,676 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:40:01,677 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:40:01,677 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:40:01,678 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:57" (3/4) ... [2023-11-19 07:40:01,682 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:40:01,684 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:40:01,685 INFO L158 Benchmark]: Toolchain (without parser) took 5089.30ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 112.3MB in the beginning and 109.1MB in the end (delta: 3.2MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2023-11-19 07:40:01,685 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 104.9MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:40:01,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.96ms. Allocated memory is still 155.2MB. Free memory was 112.3MB in the beginning and 100.0MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:40:01,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.56ms. Allocated memory is still 155.2MB. Free memory was 100.0MB in the beginning and 97.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:40:01,687 INFO L158 Benchmark]: Boogie Preprocessor took 47.19ms. Allocated memory is still 155.2MB. Free memory was 97.7MB in the beginning and 96.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:40:01,692 INFO L158 Benchmark]: RCFGBuilder took 511.44ms. Allocated memory is still 155.2MB. Free memory was 96.3MB in the beginning and 126.9MB in the end (delta: -30.6MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-11-19 07:40:01,693 INFO L158 Benchmark]: TraceAbstraction took 4111.72ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 125.7MB in the beginning and 109.1MB in the end (delta: 16.6MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2023-11-19 07:40:01,693 INFO L158 Benchmark]: Witness Printer took 7.37ms. Allocated memory is still 207.6MB. Free memory is still 109.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:40:01,701 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 104.9MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.96ms. Allocated memory is still 155.2MB. Free memory was 112.3MB in the beginning and 100.0MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.56ms. Allocated memory is still 155.2MB. Free memory was 100.0MB in the beginning and 97.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.19ms. Allocated memory is still 155.2MB. Free memory was 97.7MB in the beginning and 96.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 511.44ms. Allocated memory is still 155.2MB. Free memory was 96.3MB in the beginning and 126.9MB in the end (delta: -30.6MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4111.72ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 125.7MB in the beginning and 109.1MB in the end (delta: 16.6MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. * Witness Printer took 7.37ms. Allocated memory is still 207.6MB. Free memory is still 109.1MB. 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 to_int at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 93. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 1000000000; [L23] unsigned char var_1_3 = 1; [L24] signed long int var_1_4 = 8; [L25] signed long int var_1_5 = -32; [L26] signed long int var_1_9 = 100; [L27] signed long int var_1_12 = 25; [L28] signed long int var_1_13 = 63; [L29] signed long int var_1_14 = 0; [L30] signed long int var_1_15 = 0; [L31] signed char var_1_16 = -8; [L32] signed char var_1_17 = 8; [L33] unsigned short int var_1_18 = 2; [L34] unsigned short int var_1_19 = 50; [L35] unsigned short int var_1_20 = 0; [L36] signed long int last_1_var_1_9 = 100; VAL [isInitial=0, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=8, var_1_5=-32, var_1_9=100] [L97] isInitial = 1 [L98] FCALL initially() [L99] COND TRUE 1 [L100] CALL updateLastVariables() [L90] last_1_var_1_9 = var_1_9 VAL [isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=8, var_1_5=-32, var_1_9=100] [L100] RET updateLastVariables() [L101] CALL updateVariables() [L64] var_1_3 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_4=8, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_4=8, var_1_5=-32, var_1_9=100] [L65] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_4=8, var_1_5=-32, var_1_9=100] [L66] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=8, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=8, var_1_5=-32, var_1_9=100] [L66] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=8, var_1_5=-32, var_1_9=100] [L67] var_1_4 = __VERIFIER_nondet_long() [L68] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L68] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L69] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L69] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=25, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L70] var_1_12 = __VERIFIER_nondet_long() [L71] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L71] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L72] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L72] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=63, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L73] var_1_13 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L74] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L75] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L75] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L76] var_1_14 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_14 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L77] RET assume_abort_if_not(var_1_14 >= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L78] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L78] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L79] var_1_15 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L80] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L81] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L81] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=8, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L82] var_1_17 = __VERIFIER_nondet_char() [L83] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L83] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L84] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L84] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=50, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L85] var_1_19 = __VERIFIER_nondet_ushort() [L86] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=65534, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=65534, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L86] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=65534, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L87] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=65534, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=65534, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L87] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=65534, var_1_1=1000000000, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L101] RET updateVariables() [L102] CALL step() [L40] COND FALSE !(0.625f > last_1_var_1_9) [L45] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=-8, var_1_17=126, var_1_18=2, var_1_19=65534, var_1_1=0, var_1_20=0, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L47] var_1_16 = var_1_17 [L48] var_1_18 = var_1_19 [L49] var_1_20 = var_1_19 VAL [isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=126, var_1_17=126, var_1_18=65534, var_1_19=65534, var_1_1=0, var_1_20=65534, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L50] COND TRUE \read(var_1_3) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=126, var_1_17=126, var_1_18=65534, var_1_19=65534, var_1_1=0, var_1_20=65534, var_1_3=1, var_1_4=0, var_1_5=-32, var_1_9=100] [L51] COND TRUE var_1_20 >= ((var_1_18 - var_1_20) * 64) [L52] var_1_9 = (((((var_1_12) < (50.5)) ? (var_1_12) : (50.5))) - var_1_13) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=126, var_1_17=126, var_1_18=65534, var_1_19=65534, var_1_1=0, var_1_20=65534, var_1_3=1, var_1_4=0, var_1_5=-32] [L59] COND TRUE var_1_4 > var_1_9 [L60] var_1_5 = (((((var_1_20) > (-64)) ? (var_1_20) : (-64))) + ((var_1_20 + -2) + var_1_18)) VAL [isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=126, var_1_17=126, var_1_18=65534, var_1_19=65534, var_1_1=0, var_1_20=65534, var_1_3=1, var_1_4=0, var_1_5=196600, var_1_9=-1] [L102] RET step() [L103] CALL, EXPR property() [L93-L94] return ((((((0.625f > last_1_var_1_9) ? (var_1_3 ? (var_1_1 == ((signed long int) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : 1) : (var_1_1 == ((signed long int) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))) && ((var_1_4 > var_1_9) ? (var_1_5 == ((signed long int) (((((var_1_20) > (-64)) ? (var_1_20) : (-64))) + ((var_1_20 + -2) + var_1_18)))) : 1)) && (var_1_3 ? ((var_1_20 >= ((var_1_18 - var_1_20) * 64)) ? (var_1_9 == ((signed long int) (((((var_1_12) < (50.5)) ? (var_1_12) : (50.5))) - var_1_13))) : 1) : ((var_1_1 <= var_1_1) ? (var_1_9 == ((signed long int) (var_1_13 - (var_1_14 - var_1_15)))) : 1))) && (var_1_16 == ((signed char) var_1_17))) && (var_1_18 == ((unsigned short int) var_1_19))) && (var_1_20 == ((unsigned short int) var_1_19)) ; VAL [\result=0, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=126, var_1_17=126, var_1_18=65534, var_1_19=65534, var_1_1=0, var_1_20=65534, var_1_3=1, var_1_4=0, var_1_5=196600, var_1_9=-1] [L103] RET, EXPR property() [L103] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=126, var_1_17=126, var_1_18=65534, var_1_19=65534, var_1_1=0, var_1_20=65534, var_1_3=1, var_1_4=0, var_1_5=196600, var_1_9=-1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=100, var_1_12=4, var_1_13=5, var_1_14=2147483647, var_1_15=0, var_1_16=126, var_1_17=126, var_1_18=65534, var_1_19=65534, var_1_1=0, var_1_20=65534, var_1_3=1, var_1_4=0, var_1_5=196600, var_1_9=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 104 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 90 mSDsluCounter, 486 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 309 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 177 mSDtfsCounter, 97 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=2, InterpolantAutomatonStates: 18, 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, 46 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 202 ConstructedInterpolants, 0 QuantifiedInterpolants, 397 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 960/960 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 07:40:01,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/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_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu --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 99f1799baf7f5c9d7d37d9cf695471ea76a03c314cf5ba1feb06a277131aa58f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:40:04,517 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:40:04,666 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:40:04,676 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:40:04,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:40:04,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:40:04,728 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:40:04,729 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:40:04,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:40:04,735 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:40:04,736 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:40:04,736 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:40:04,737 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:40:04,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:40:04,739 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:40:04,740 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:40:04,740 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:40:04,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:40:04,741 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:40:04,742 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:40:04,743 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:40:04,743 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:40:04,744 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:40:04,744 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:40:04,745 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:40:04,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:40:04,745 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:40:04,746 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:40:04,746 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:40:04,747 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:40:04,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:40:04,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:40:04,749 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:40:04,749 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:40:04,749 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:40:04,750 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:40:04,750 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:40:04,750 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:40:04,750 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:40:04,751 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:40:04,752 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:40:04,756 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:40:04,756 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_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f1799baf7f5c9d7d37d9cf695471ea76a03c314cf5ba1feb06a277131aa58f [2023-11-19 07:40:05,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:40:05,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:40:05,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:40:05,223 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:40:05,224 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:40:05,226 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i [2023-11-19 07:40:08,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:40:08,688 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:40:08,689 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i [2023-11-19 07:40:08,699 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/data/a66e7f799/ac9c10d73a244f02ba99205e63f02917/FLAGd21f5642d [2023-11-19 07:40:08,714 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/data/a66e7f799/ac9c10d73a244f02ba99205e63f02917 [2023-11-19 07:40:08,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:40:08,719 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:40:08,720 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:08,721 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:40:08,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:40:08,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:08" (1/1) ... [2023-11-19 07:40:08,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f07d018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:08, skipping insertion in model container [2023-11-19 07:40:08,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:08" (1/1) ... [2023-11-19 07:40:08,759 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:40:08,938 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_fe5bd397-0faa-4a39-a864-0a0d9c43685a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i[916,929] [2023-11-19 07:40:08,980 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:08,998 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:40:09,012 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_fe5bd397-0faa-4a39-a864-0a0d9c43685a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-65.i[916,929] [2023-11-19 07:40:09,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:09,055 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:40:09,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:09 WrapperNode [2023-11-19 07:40:09,055 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:09,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:09,057 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:40:09,057 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:40:09,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:09" (1/1) ... [2023-11-19 07:40:09,078 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:09" (1/1) ... [2023-11-19 07:40:09,105 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2023-11-19 07:40:09,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:09,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:40:09,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:40:09,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:40:09,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:09" (1/1) ... [2023-11-19 07:40:09,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:09" (1/1) ... [2023-11-19 07:40:09,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:09" (1/1) ... [2023-11-19 07:40:09,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:09" (1/1) ... [2023-11-19 07:40:09,131 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:09" (1/1) ... [2023-11-19 07:40:09,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:09" (1/1) ... [2023-11-19 07:40:09,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:09" (1/1) ... [2023-11-19 07:40:09,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:09" (1/1) ... [2023-11-19 07:40:09,144 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:40:09,145 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:40:09,145 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:40:09,145 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:40:09,146 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:09" (1/1) ... [2023-11-19 07:40:09,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:40:09,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:09,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:09,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:40:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:40:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:40:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:40:09,234 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:40:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:40:09,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:40:09,360 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:40:09,362 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:40:14,137 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:40:14,145 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:40:14,146 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:40:14,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:14 BoogieIcfgContainer [2023-11-19 07:40:14,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:40:14,153 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:40:14,153 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:40:14,157 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:40:14,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:40:08" (1/3) ... [2023-11-19 07:40:14,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1278339b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:14, skipping insertion in model container [2023-11-19 07:40:14,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:09" (2/3) ... [2023-11-19 07:40:14,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1278339b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:14, skipping insertion in model container [2023-11-19 07:40:14,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:14" (3/3) ... [2023-11-19 07:40:14,161 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-65.i [2023-11-19 07:40:14,183 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:40:14,184 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:40:14,239 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:40:14,246 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;@25f50fdf, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:40:14,247 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:40:14,251 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:40:14,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 07:40:14,264 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:14,265 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:14,265 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:14,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:14,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1997361240, now seen corresponding path program 1 times [2023-11-19 07:40:14,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:40:14,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1277950758] [2023-11-19 07:40:14,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:14,288 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:40:14,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:40:14,294 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:40:14,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 07:40:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:14,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:40:14,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:40:14,778 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-11-19 07:40:14,780 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:40:14,781 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:40:14,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1277950758] [2023-11-19 07:40:14,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1277950758] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:14,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:14,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:40:14,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001294300] [2023-11-19 07:40:14,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:14,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:40:14,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:40:14,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:40:14,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:40:14,840 INFO L87 Difference]: Start difference. First operand has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 32 states have internal predecessors, (42), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) 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, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 07:40:14,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:14,887 INFO L93 Difference]: Finished difference Result 93 states and 158 transitions. [2023-11-19 07:40:14,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:40:14,890 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, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102 [2023-11-19 07:40:14,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:14,922 INFO L225 Difference]: With dead ends: 93 [2023-11-19 07:40:14,922 INFO L226 Difference]: Without dead ends: 46 [2023-11-19 07:40:14,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:40:14,931 INFO L413 NwaCegarLoop]: 66 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, 66 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:14,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:40:14,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-19 07:40:14,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-19 07:40:14,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:40:14,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 66 transitions. [2023-11-19 07:40:14,997 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 66 transitions. Word has length 102 [2023-11-19 07:40:14,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:14,997 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 66 transitions. [2023-11-19 07:40:14,998 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, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 07:40:14,998 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2023-11-19 07:40:15,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 07:40:15,004 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:15,004 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:15,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:40:15,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:40:15,217 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:15,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:15,218 INFO L85 PathProgramCache]: Analyzing trace with hash 925118552, now seen corresponding path program 1 times [2023-11-19 07:40:15,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:40:15,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [803049318] [2023-11-19 07:40:15,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:15,220 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:40:15,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:40:15,221 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:40:15,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 07:40:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:15,479 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:40:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:15,678 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2023-11-19 07:40:15,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [881023555] [2023-11-19 07:40:15,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:15,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 07:40:15,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/cvc4 [2023-11-19 07:40:15,682 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 07:40:15,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe5bd397-0faa-4a39-a864-0a0d9c43685a/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 07:40:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:16,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 07:40:16,383 INFO L285 TraceCheckSpWp]: Computing forward predicates...