./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-17.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 45b46b3ee7f86f7814cd473dd2f0c3b871541d9116dfda6389a1ac1f27734388 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:30:04,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:30:04,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:30:04,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:30:04,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:30:04,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:30:04,613 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:30:04,614 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:30:04,615 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:30:04,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:30:04,623 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:30:04,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:30:04,624 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:30:04,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:30:04,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:30:04,627 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:30:04,628 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:30:04,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:30:04,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:30:04,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:30:04,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:30:04,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:30:04,630 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:30:04,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:30:04,631 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:30:04,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:30:04,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:30:04,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:30:04,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:30:04,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:30:04,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:30:04,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:30:04,636 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:30:04,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:30:04,637 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:30:04,637 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:30:04,637 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:30:04,637 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:30:04,637 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:30:04,638 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_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45b46b3ee7f86f7814cd473dd2f0c3b871541d9116dfda6389a1ac1f27734388 [2023-11-12 02:30:04,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:30:04,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:30:04,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:30:04,981 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:30:04,981 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:30:04,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-17.i [2023-11-12 02:30:08,180 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:30:08,395 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:30:08,395 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-17.i [2023-11-12 02:30:08,416 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/data/515134fda/25ec2e0cd32d4fa78a86473c5637569d/FLAGb8168ede7 [2023-11-12 02:30:08,430 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/data/515134fda/25ec2e0cd32d4fa78a86473c5637569d [2023-11-12 02:30:08,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:30:08,437 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:30:08,439 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:30:08,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:30:08,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:30:08,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,458 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc6b4c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08, skipping insertion in model container [2023-11-12 02:30:08,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,484 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:30:08,676 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_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-17.i[916,929] [2023-11-12 02:30:08,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:30:08,765 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:30:08,777 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_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-17.i[916,929] [2023-11-12 02:30:08,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:30:08,824 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:30:08,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08 WrapperNode [2023-11-12 02:30:08,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:30:08,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:30:08,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:30:08,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:30:08,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,874 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2023-11-12 02:30:08,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:30:08,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:30:08,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:30:08,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:30:08,885 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,904 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:30:08,909 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:30:08,909 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:30:08,909 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:30:08,910 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (1/1) ... [2023-11-12 02:30:08,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:30:08,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:08,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:08,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:30:09,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:30:09,006 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:30:09,007 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:30:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:30:09,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:30:09,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:30:09,093 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:30:09,096 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:30:09,350 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:30:09,362 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:30:09,363 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:30:09,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:30:09 BoogieIcfgContainer [2023-11-12 02:30:09,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:30:09,371 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:30:09,371 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:30:09,375 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:30:09,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:30:08" (1/3) ... [2023-11-12 02:30:09,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f8e7d30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:30:09, skipping insertion in model container [2023-11-12 02:30:09,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:08" (2/3) ... [2023-11-12 02:30:09,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f8e7d30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:30:09, skipping insertion in model container [2023-11-12 02:30:09,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:30:09" (3/3) ... [2023-11-12 02:30:09,379 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-17.i [2023-11-12 02:30:09,399 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:30:09,400 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:30:09,446 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:30:09,453 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;@2f3c0c93, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:30:09,453 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:30:09,457 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 35 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:30:09,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-12 02:30:09,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:09,474 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:30:09,474 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:09,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:09,481 INFO L85 PathProgramCache]: Analyzing trace with hash -2015347980, now seen corresponding path program 1 times [2023-11-12 02:30:09,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:09,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003005580] [2023-11-12 02:30:09,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:09,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:09,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-12 02:30:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:09,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-12 02:30:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:09,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-12 02:30:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:09,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-12 02:30:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:09,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-12 02:30:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:09,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:30:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:09,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:30:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:09,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-12 02:30:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:09,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-12 02:30:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:09,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-12 02:30:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:09,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-12 02:30:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:09,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-12 02:30:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:09,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-12 02:30:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:09,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-12 02:30:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:09,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-12 02:30:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:09,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-12 02:30:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:09,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-12 02:30:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:09,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-12 02:30:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:09,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-12 02:30:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:09,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-12 02:30:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:09,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-12 02:30:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:09,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-12 02:30:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:09,986 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-12 02:30:09,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:30:09,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003005580] [2023-11-12 02:30:09,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003005580] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:09,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:09,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:30:09,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405488989] [2023-11-12 02:30:09,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:09,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:30:09,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:30:10,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:30:10,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:30:10,033 INFO L87 Difference]: Start difference. First operand has 59 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 35 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 02:30:10,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:10,068 INFO L93 Difference]: Finished difference Result 111 states and 196 transitions. [2023-11-12 02:30:10,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:30:10,071 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 134 [2023-11-12 02:30:10,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:30:10,080 INFO L225 Difference]: With dead ends: 111 [2023-11-12 02:30:10,080 INFO L226 Difference]: Without dead ends: 55 [2023-11-12 02:30:10,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:30:10,089 INFO L413 NwaCegarLoop]: 83 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, 83 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:30:10,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:30:10,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-12 02:30:10,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-12 02:30:10,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:30:10,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 83 transitions. [2023-11-12 02:30:10,145 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 83 transitions. Word has length 134 [2023-11-12 02:30:10,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:30:10,146 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 83 transitions. [2023-11-12 02:30:10,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 02:30:10,146 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2023-11-12 02:30:10,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-12 02:30:10,153 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:10,153 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:30:10,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:30:10,154 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:10,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:10,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1735711156, now seen corresponding path program 1 times [2023-11-12 02:30:10,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:10,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095230146] [2023-11-12 02:30:10,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:10,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:10,344 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:10,548 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:10,548 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:30:10,551 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:30:10,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:30:10,557 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-12 02:30:10,562 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:30:10,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:30:10 BoogieIcfgContainer [2023-11-12 02:30:10,708 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:30:10,709 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:30:10,709 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:30:10,710 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:30:10,710 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:30:09" (3/4) ... [2023-11-12 02:30:10,712 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:30:10,714 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:30:10,715 INFO L158 Benchmark]: Toolchain (without parser) took 2277.16ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 107.0MB in the beginning and 113.9MB in the end (delta: -6.9MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2023-11-12 02:30:10,715 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 104.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:30:10,716 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.48ms. Allocated memory is still 146.8MB. Free memory was 106.6MB in the beginning and 93.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:30:10,716 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.11ms. Allocated memory is still 146.8MB. Free memory was 93.9MB in the beginning and 91.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:30:10,717 INFO L158 Benchmark]: Boogie Preprocessor took 32.75ms. Allocated memory is still 146.8MB. Free memory was 91.6MB in the beginning and 89.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:30:10,718 INFO L158 Benchmark]: RCFGBuilder took 457.70ms. Allocated memory is still 146.8MB. Free memory was 89.9MB in the beginning and 74.5MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:30:10,719 INFO L158 Benchmark]: TraceAbstraction took 1337.87ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 73.8MB in the beginning and 113.9MB in the end (delta: -40.1MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2023-11-12 02:30:10,719 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 197.1MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:30:10,723 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 104.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.48ms. Allocated memory is still 146.8MB. Free memory was 106.6MB in the beginning and 93.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.11ms. Allocated memory is still 146.8MB. Free memory was 93.9MB in the beginning and 91.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.75ms. Allocated memory is still 146.8MB. Free memory was 91.6MB in the beginning and 89.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 457.70ms. Allocated memory is still 146.8MB. Free memory was 89.9MB in the beginning and 74.5MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1337.87ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 73.8MB in the beginning and 113.9MB in the end (delta: -40.1MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 197.1MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 109. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 10000000; [L23] unsigned char var_1_2 = 0; [L24] signed long int var_1_3 = 16; [L25] signed long int var_1_4 = 7; [L26] signed long int var_1_5 = 49; [L27] signed short int var_1_6 = -10; [L28] signed long int var_1_7 = 4; [L29] signed long int var_1_8 = 9; [L30] signed short int var_1_9 = 128; [L31] signed short int var_1_10 = 128; [L32] unsigned char var_1_11 = 0; [L33] unsigned long int var_1_12 = 100; [L34] signed long int var_1_13 = 128; [L35] signed long int var_1_14 = 3; [L36] unsigned char var_1_15 = 16; [L37] unsigned char var_1_16 = 2; [L38] unsigned char last_1_var_1_15 = 16; VAL [isInitial=0, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=0, var_1_3=16, var_1_4=7, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L113] isInitial = 1 [L114] FCALL initially() [L115] COND TRUE 1 [L116] CALL updateLastVariables() [L106] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=0, var_1_3=16, var_1_4=7, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L116] RET updateLastVariables() [L117] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_3=16, var_1_4=7, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_3=16, var_1_4=7, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L72] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_3=16, var_1_4=7, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L73] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=16, var_1_4=7, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=16, var_1_4=7, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L73] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=16, var_1_4=7, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L74] var_1_3 = __VERIFIER_nondet_long() [L75] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=7, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=7, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L75] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=7, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L76] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=7, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=7, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L76] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=7, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L77] var_1_4 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L78] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L79] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L79] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=49, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L80] var_1_5 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L81] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L82] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L82] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L83] var_1_7 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L84] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L85] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L85] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=9, var_1_9=128] [L86] var_1_8 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=128] [L87] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=128] [L88] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=128] [L88] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=128] [L89] var_1_9 = __VERIFIER_nondet_short() [L90] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L90] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L91] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L91] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L92] var_1_10 = __VERIFIER_nondet_short() [L93] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L93] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L94] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L94] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L95] var_1_11 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=1, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=1, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L96] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=1, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L97] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=1, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=1, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L97] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=1, var_1_12=100, var_1_13=128, var_1_14=3, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L98] var_1_14 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=1, var_1_12=100, var_1_13=128, var_1_14=0, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=1, var_1_12=100, var_1_13=128, var_1_14=0, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L99] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=1, var_1_12=100, var_1_13=128, var_1_14=0, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L100] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=1, var_1_12=100, var_1_13=128, var_1_14=0, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=1, var_1_12=100, var_1_13=128, var_1_14=0, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L100] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=1, var_1_12=100, var_1_13=128, var_1_14=0, var_1_15=16, var_1_16=2, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L101] var_1_16 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=1, var_1_12=100, var_1_13=128, var_1_14=0, var_1_15=16, var_1_16=5, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=1, var_1_12=100, var_1_13=128, var_1_14=0, var_1_15=16, var_1_16=5, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L102] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=1, var_1_12=100, var_1_13=128, var_1_14=0, var_1_15=16, var_1_16=5, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L103] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=1, var_1_12=100, var_1_13=128, var_1_14=0, var_1_15=16, var_1_16=5, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=1, var_1_12=100, var_1_13=128, var_1_14=0, var_1_15=16, var_1_16=5, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L103] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=1, var_1_12=100, var_1_13=128, var_1_14=0, var_1_15=16, var_1_16=5, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L117] RET updateVariables() [L118] CALL step() [L42] var_1_12 = last_1_var_1_15 [L43] unsigned long int stepLocal_1 = var_1_12; [L44] signed short int stepLocal_0 = var_1_9; VAL [isInitial=1, last_1_var_1_15=16, stepLocal_0=16383, stepLocal_1=16, var_1_10=16384, var_1_11=1, var_1_12=16, var_1_13=128, var_1_14=0, var_1_15=16, var_1_16=5, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L45] COND FALSE !(stepLocal_0 >= var_1_10) VAL [isInitial=1, last_1_var_1_15=16, stepLocal_0=16383, stepLocal_1=16, var_1_10=16384, var_1_11=1, var_1_12=16, var_1_13=128, var_1_14=0, var_1_15=16, var_1_16=5, var_1_1=10000000, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L52] COND TRUE \read(var_1_2) [L53] var_1_1 = (var_1_3 + ((((var_1_4) < ((49.5 + var_1_5))) ? (var_1_4) : ((49.5 + var_1_5))))) VAL [isInitial=1, last_1_var_1_15=16, stepLocal_0=16383, stepLocal_1=16, var_1_10=16384, var_1_11=1, var_1_12=16, var_1_13=128, var_1_14=0, var_1_15=16, var_1_16=5, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=-10, var_1_7=4, var_1_8=5, var_1_9=16383] [L55] COND TRUE (- (var_1_7 - var_1_8)) <= var_1_3 [L56] var_1_6 = ((8 + var_1_15) - var_1_15) VAL [isInitial=1, last_1_var_1_15=16, stepLocal_0=16383, stepLocal_1=16, var_1_10=16384, var_1_11=1, var_1_12=16, var_1_13=128, var_1_14=0, var_1_15=16, var_1_16=5, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=8, var_1_7=4, var_1_8=5, var_1_9=16383] [L66] COND TRUE var_1_7 < (var_1_8 - var_1_14) [L67] var_1_13 = ((((var_1_4) > (((((((((127.4f) > (var_1_5)) ? (127.4f) : (var_1_5)))) > (var_1_3)) ? (((((127.4f) > (var_1_5)) ? (127.4f) : (var_1_5)))) : (var_1_3))))) ? (var_1_4) : (((((((((127.4f) > (var_1_5)) ? (127.4f) : (var_1_5)))) > (var_1_3)) ? (((((127.4f) > (var_1_5)) ? (127.4f) : (var_1_5)))) : (var_1_3)))))) VAL [isInitial=1, last_1_var_1_15=16, stepLocal_0=16383, stepLocal_1=16, var_1_10=16384, var_1_11=1, var_1_12=16, var_1_14=0, var_1_15=16, var_1_16=5, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=8, var_1_7=4, var_1_8=5, var_1_9=16383] [L118] RET step() [L119] CALL, EXPR property() [L109-L110] return ((((var_1_2 ? (var_1_1 == ((signed long int) (var_1_3 + ((((var_1_4) < ((49.5 + var_1_5))) ? (var_1_4) : ((49.5 + var_1_5))))))) : 1) && (((- (var_1_7 - var_1_8)) <= var_1_3) ? (var_1_6 == ((signed short int) ((8 + var_1_15) - var_1_15))) : (var_1_2 ? (var_1_11 ? (var_1_6 == ((signed short int) var_1_15)) : 1) : (var_1_6 == ((signed short int) var_1_15))))) && (var_1_12 == ((unsigned long int) last_1_var_1_15))) && ((var_1_7 < (var_1_8 - var_1_14)) ? (var_1_13 == ((signed long int) ((((var_1_4) > (((((((((127.4f) > (var_1_5)) ? (127.4f) : (var_1_5)))) > (var_1_3)) ? (((((127.4f) > (var_1_5)) ? (127.4f) : (var_1_5)))) : (var_1_3))))) ? (var_1_4) : (((((((((127.4f) > (var_1_5)) ? (127.4f) : (var_1_5)))) > (var_1_3)) ? (((((127.4f) > (var_1_5)) ? (127.4f) : (var_1_5)))) : (var_1_3)))))))) : 1)) && ((var_1_9 >= var_1_10) ? (((var_1_9 + last_1_var_1_15) >= var_1_12) ? (var_1_15 == ((unsigned char) var_1_16)) : (var_1_15 == ((unsigned char) var_1_16))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=1, var_1_12=16, var_1_13=2147483651, var_1_14=0, var_1_15=16, var_1_16=5, var_1_1=2147483650, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=8, var_1_7=4, var_1_8=5, var_1_9=16383] [L119] RET, EXPR property() [L119] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=1, var_1_12=16, var_1_13=2147483651, var_1_14=0, var_1_15=16, var_1_16=5, var_1_1=2147483650, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=8, var_1_7=4, var_1_8=5, var_1_9=16383] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=1, var_1_12=16, var_1_13=2147483651, var_1_14=0, var_1_15=16, var_1_16=5, var_1_1=2147483650, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=8, var_1_7=4, var_1_8=5, var_1_9=16383] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 83 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 83 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 268 NumberOfCodeBlocks, 268 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 133 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 924/924 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 02:30:10,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 45b46b3ee7f86f7814cd473dd2f0c3b871541d9116dfda6389a1ac1f27734388 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:30:13,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:30:13,624 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:30:13,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:30:13,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:30:13,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:30:13,679 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:30:13,680 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:30:13,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:30:13,686 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:30:13,687 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:30:13,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:30:13,688 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:30:13,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:30:13,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:30:13,691 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:30:13,691 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:30:13,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:30:13,692 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:30:13,693 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:30:13,693 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:30:13,694 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:30:13,694 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:30:13,695 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:30:13,695 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:30:13,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:30:13,696 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:30:13,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:30:13,696 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:30:13,697 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:30:13,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:30:13,698 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:30:13,699 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:30:13,699 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:30:13,699 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:30:13,700 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:30:13,700 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:30:13,700 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:30:13,700 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:30:13,701 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:30:13,701 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:30:13,702 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:30:13,702 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_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45b46b3ee7f86f7814cd473dd2f0c3b871541d9116dfda6389a1ac1f27734388 [2023-11-12 02:30:14,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:30:14,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:30:14,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:30:14,172 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:30:14,172 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:30:14,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-17.i [2023-11-12 02:30:17,391 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:30:17,696 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:30:17,697 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-17.i [2023-11-12 02:30:17,706 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/data/80c8c8bd9/d5c033a7d5424f139e2cae7ebef4566e/FLAGc6a07a702 [2023-11-12 02:30:17,723 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/data/80c8c8bd9/d5c033a7d5424f139e2cae7ebef4566e [2023-11-12 02:30:17,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:30:17,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:30:17,729 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:30:17,729 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:30:17,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:30:17,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:30:17" (1/1) ... [2023-11-12 02:30:17,737 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76593169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:17, skipping insertion in model container [2023-11-12 02:30:17,737 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:30:17" (1/1) ... [2023-11-12 02:30:17,766 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:30:17,917 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_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-17.i[916,929] [2023-11-12 02:30:17,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:30:17,993 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:30:18,013 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_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-17.i[916,929] [2023-11-12 02:30:18,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:30:18,097 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:30:18,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:18 WrapperNode [2023-11-12 02:30:18,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:30:18,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:30:18,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:30:18,100 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:30:18,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:18" (1/1) ... [2023-11-12 02:30:18,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:18" (1/1) ... [2023-11-12 02:30:18,182 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2023-11-12 02:30:18,183 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:30:18,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:30:18,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:30:18,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:30:18,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:18" (1/1) ... [2023-11-12 02:30:18,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:18" (1/1) ... [2023-11-12 02:30:18,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:18" (1/1) ... [2023-11-12 02:30:18,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:18" (1/1) ... [2023-11-12 02:30:18,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:18" (1/1) ... [2023-11-12 02:30:18,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:18" (1/1) ... [2023-11-12 02:30:18,250 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:18" (1/1) ... [2023-11-12 02:30:18,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:18" (1/1) ... [2023-11-12 02:30:18,265 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:30:18,266 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:30:18,267 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:30:18,267 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:30:18,268 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:18" (1/1) ... [2023-11-12 02:30:18,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:30:18,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:18,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:18,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:30:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:30:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:30:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:30:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:30:18,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:30:18,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:30:18,502 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:30:18,504 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:30:24,948 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:30:24,955 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:30:24,955 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:30:24,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:30:24 BoogieIcfgContainer [2023-11-12 02:30:24,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:30:24,960 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:30:24,961 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:30:24,964 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:30:24,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:30:17" (1/3) ... [2023-11-12 02:30:24,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d98a244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:30:24, skipping insertion in model container [2023-11-12 02:30:24,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:30:18" (2/3) ... [2023-11-12 02:30:24,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d98a244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:30:24, skipping insertion in model container [2023-11-12 02:30:24,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:30:24" (3/3) ... [2023-11-12 02:30:24,968 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-17.i [2023-11-12 02:30:24,989 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:30:24,989 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:30:25,056 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:30:25,063 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;@3f721fa8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:30:25,063 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:30:25,068 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 35 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:30:25,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-12 02:30:25,086 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:25,088 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:30:25,091 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:25,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:25,102 INFO L85 PathProgramCache]: Analyzing trace with hash -2015347980, now seen corresponding path program 1 times [2023-11-12 02:30:25,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:30:25,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [493824048] [2023-11-12 02:30:25,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:25,122 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:30:25,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:30:25,131 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 02:30:25,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 02:30:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:25,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:30:25,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:25,715 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2023-11-12 02:30:25,716 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:30:25,717 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:30:25,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [493824048] [2023-11-12 02:30:25,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [493824048] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:25,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:25,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:30:25,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584316585] [2023-11-12 02:30:25,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:25,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:30:25,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:30:25,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:30:25,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:30:25,760 INFO L87 Difference]: Start difference. First operand has 59 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 35 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 02:30:25,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:25,820 INFO L93 Difference]: Finished difference Result 111 states and 196 transitions. [2023-11-12 02:30:25,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:30:25,822 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 134 [2023-11-12 02:30:25,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:30:25,834 INFO L225 Difference]: With dead ends: 111 [2023-11-12 02:30:25,834 INFO L226 Difference]: Without dead ends: 55 [2023-11-12 02:30:25,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:30:25,845 INFO L413 NwaCegarLoop]: 83 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, 83 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:30:25,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:30:25,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-12 02:30:25,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-12 02:30:25,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:30:25,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 83 transitions. [2023-11-12 02:30:25,919 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 83 transitions. Word has length 134 [2023-11-12 02:30:25,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:30:25,919 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 83 transitions. [2023-11-12 02:30:25,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 02:30:25,920 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2023-11-12 02:30:25,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-12 02:30:25,932 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:30:25,933 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:30:25,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:26,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:30:26,147 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:30:26,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:26,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1735711156, now seen corresponding path program 1 times [2023-11-12 02:30:26,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:30:26,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [864644911] [2023-11-12 02:30:26,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:26,150 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 02:30:26,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:30:26,152 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 02:30:26,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-12 02:30:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:26,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:27,019 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2023-11-12 02:30:27,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1271499032] [2023-11-12 02:30:27,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:27,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 02:30:27,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/cvc4 [2023-11-12 02:30:27,024 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 02:30:27,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2ff65-6dfd-4af8-afb7-c4cebaf07e05/bin/uautomizer-verify-uTZkv6EMXl/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-12 02:30:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:27,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-12 02:30:27,828 INFO L285 TraceCheckSpWp]: Computing forward predicates...