./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/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_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/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_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/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 2ed1635dc6d8064ed19cc47260dbac48845189c1db702c0725e361d24a01f9fc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:03:57,775 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:03:57,885 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:03:57,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:03:57,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:03:57,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:03:57,932 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:03:57,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:03:57,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:03:57,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:03:57,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:03:57,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:03:57,941 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:03:57,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:03:57,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:03:57,943 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:03:57,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:03:57,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:03:57,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:03:57,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:03:57,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:03:57,946 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:03:57,946 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:03:57,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:03:57,947 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:03:57,948 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:03:57,948 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:03:57,949 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:03:57,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:03:57,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:03:57,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:03:57,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:03:57,968 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:03:57,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:03:57,969 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:03:57,969 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:03:57,969 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:03:57,970 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:03:57,970 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:03:57,970 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_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed1635dc6d8064ed19cc47260dbac48845189c1db702c0725e361d24a01f9fc [2023-11-12 02:03:58,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:03:58,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:03:58,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:03:58,265 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:03:58,266 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:03:58,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i [2023-11-12 02:04:01,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:04:01,636 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:04:01,636 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i [2023-11-12 02:04:01,644 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/data/294059771/5c005661a27e42faa5d7648dbec8ea76/FLAGe2bf72f11 [2023-11-12 02:04:01,656 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/data/294059771/5c005661a27e42faa5d7648dbec8ea76 [2023-11-12 02:04:01,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:04:01,659 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:04:01,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:01,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:04:01,665 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:04:01,666 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:01" (1/1) ... [2023-11-12 02:04:01,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f52550c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:01, skipping insertion in model container [2023-11-12 02:04:01,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:01" (1/1) ... [2023-11-12 02:04:01,698 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:04:01,835 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_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i[916,929] [2023-11-12 02:04:01,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:01,902 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:04:01,915 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_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i[916,929] [2023-11-12 02:04:01,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:01,955 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:04:01,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:01 WrapperNode [2023-11-12 02:04:01,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:01,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:01,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:04:01,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:04:01,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:01" (1/1) ... [2023-11-12 02:04:01,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:01" (1/1) ... [2023-11-12 02:04:02,011 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2023-11-12 02:04:02,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:02,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:04:02,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:04:02,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:04:02,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:01" (1/1) ... [2023-11-12 02:04:02,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:01" (1/1) ... [2023-11-12 02:04:02,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:01" (1/1) ... [2023-11-12 02:04:02,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:01" (1/1) ... [2023-11-12 02:04:02,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:01" (1/1) ... [2023-11-12 02:04:02,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:01" (1/1) ... [2023-11-12 02:04:02,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:01" (1/1) ... [2023-11-12 02:04:02,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:01" (1/1) ... [2023-11-12 02:04:02,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:04:02,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:04:02,046 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:04:02,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:04:02,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:01" (1/1) ... [2023-11-12 02:04:02,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:04:02,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:04:02,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:04:02,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:04:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:04:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:04:02,131 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:04:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:04:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:04:02,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:04:02,254 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:04:02,256 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:04:02,596 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:04:02,604 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:04:02,604 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:04:02,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:02 BoogieIcfgContainer [2023-11-12 02:04:02,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:04:02,609 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:04:02,610 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:04:02,613 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:04:02,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:04:01" (1/3) ... [2023-11-12 02:04:02,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33604c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:02, skipping insertion in model container [2023-11-12 02:04:02,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:01" (2/3) ... [2023-11-12 02:04:02,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33604c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:02, skipping insertion in model container [2023-11-12 02:04:02,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:02" (3/3) ... [2023-11-12 02:04:02,616 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-53.i [2023-11-12 02:04:02,636 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:04:02,641 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:04:02,687 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:04:02,694 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;@3a775896, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:04:02,694 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:04:02,699 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 02:04:02,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-12 02:04:02,715 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:02,716 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:04:02,716 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:04:02,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:02,722 INFO L85 PathProgramCache]: Analyzing trace with hash -431780908, now seen corresponding path program 1 times [2023-11-12 02:04:02,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:02,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181170914] [2023-11-12 02:04:02,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:02,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:03,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-12 02:04:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:03,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-12 02:04:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:03,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-12 02:04:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:03,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-12 02:04:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:03,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-12 02:04:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:03,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:04:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:03,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:04:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:03,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-12 02:04:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:03,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-12 02:04:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:03,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-12 02:04:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:03,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-12 02:04:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:03,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-12 02:04:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:03,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-12 02:04:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:03,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-12 02:04:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:03,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-12 02:04:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:03,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-12 02:04:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:03,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-12 02:04:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:03,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-12 02:04:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:03,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-12 02:04:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:03,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-12 02:04:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:03,300 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-12 02:04:03,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:04:03,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181170914] [2023-11-12 02:04:03,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181170914] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:04:03,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:04:03,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:04:03,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766150868] [2023-11-12 02:04:03,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:04:03,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:04:03,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:04:03,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:04:03,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:04:03,343 INFO L87 Difference]: Start difference. First operand has 56 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 02:04:03,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:03,376 INFO L93 Difference]: Finished difference Result 105 states and 182 transitions. [2023-11-12 02:04:03,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:04:03,382 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 123 [2023-11-12 02:04:03,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:03,393 INFO L225 Difference]: With dead ends: 105 [2023-11-12 02:04:03,394 INFO L226 Difference]: Without dead ends: 52 [2023-11-12 02:04:03,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 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 02:04:03,407 INFO L413 NwaCegarLoop]: 77 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, 77 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 02:04:03,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:04:03,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-12 02:04:03,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-12 02:04:03,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 02:04:03,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2023-11-12 02:04:03,466 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 77 transitions. Word has length 123 [2023-11-12 02:04:03,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:03,467 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 77 transitions. [2023-11-12 02:04:03,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 02:04:03,467 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2023-11-12 02:04:03,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-12 02:04:03,471 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:03,472 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:04:03,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:04:03,472 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:04:03,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:03,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1509225428, now seen corresponding path program 1 times [2023-11-12 02:04:03,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:03,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131146857] [2023-11-12 02:04:03,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:03,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:04,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-12 02:04:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:05,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-12 02:04:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:05,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-12 02:04:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:05,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-12 02:04:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:05,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-12 02:04:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:05,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-12 02:04:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:05,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-12 02:04:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:05,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-12 02:04:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:05,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-12 02:04:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:05,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-12 02:04:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:05,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-12 02:04:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:05,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-12 02:04:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:05,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-12 02:04:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:05,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-12 02:04:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:05,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-12 02:04:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:05,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-12 02:04:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:05,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-12 02:04:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:05,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-12 02:04:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:05,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-12 02:04:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:05,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-12 02:04:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:05,295 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 3 proven. 105 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2023-11-12 02:04:05,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:04:05,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131146857] [2023-11-12 02:04:05,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131146857] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:04:05,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306565476] [2023-11-12 02:04:05,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:05,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:04:05,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:04:05,304 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:04:05,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:04:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:05,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-12 02:04:05,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:04:07,626 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 245 proven. 186 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2023-11-12 02:04:07,627 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:04:08,777 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 48 proven. 162 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2023-11-12 02:04:08,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306565476] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:04:08,778 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:04:08,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 19, 16] total 35 [2023-11-12 02:04:08,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151952737] [2023-11-12 02:04:08,779 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:04:08,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-11-12 02:04:08,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:04:08,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-11-12 02:04:08,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=345, Invalid=845, Unknown=0, NotChecked=0, Total=1190 [2023-11-12 02:04:08,785 INFO L87 Difference]: Start difference. First operand 52 states and 77 transitions. Second operand has 35 states, 34 states have (on average 2.5588235294117645) internal successors, (87), 33 states have internal predecessors, (87), 11 states have call successors, (58), 6 states have call predecessors, (58), 12 states have return successors, (59), 10 states have call predecessors, (59), 11 states have call successors, (59) [2023-11-12 02:04:10,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:10,125 INFO L93 Difference]: Finished difference Result 137 states and 187 transitions. [2023-11-12 02:04:10,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-12 02:04:10,126 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 2.5588235294117645) internal successors, (87), 33 states have internal predecessors, (87), 11 states have call successors, (58), 6 states have call predecessors, (58), 12 states have return successors, (59), 10 states have call predecessors, (59), 11 states have call successors, (59) Word has length 123 [2023-11-12 02:04:10,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:10,129 INFO L225 Difference]: With dead ends: 137 [2023-11-12 02:04:10,129 INFO L226 Difference]: Without dead ends: 88 [2023-11-12 02:04:10,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 258 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 654 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=692, Invalid=1564, Unknown=0, NotChecked=0, Total=2256 [2023-11-12 02:04:10,133 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 316 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-12 02:04:10,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 344 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-12 02:04:10,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-12 02:04:10,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 72. [2023-11-12 02:04:10,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 45 states have (on average 1.1333333333333333) internal successors, (51), 45 states have internal predecessors, (51), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 02:04:10,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 91 transitions. [2023-11-12 02:04:10,157 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 91 transitions. Word has length 123 [2023-11-12 02:04:10,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:10,158 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 91 transitions. [2023-11-12 02:04:10,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 2.5588235294117645) internal successors, (87), 33 states have internal predecessors, (87), 11 states have call successors, (58), 6 states have call predecessors, (58), 12 states have return successors, (59), 10 states have call predecessors, (59), 11 states have call successors, (59) [2023-11-12 02:04:10,159 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 91 transitions. [2023-11-12 02:04:10,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-12 02:04:10,162 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:10,162 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:04:10,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:04:10,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:04:10,375 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:04:10,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:10,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1035915049, now seen corresponding path program 1 times [2023-11-12 02:04:10,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:10,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428488363] [2023-11-12 02:04:10,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:10,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:04:10,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:04:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:04:10,671 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:04:10,671 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:04:10,672 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:04:10,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:04:10,678 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-12 02:04:10,682 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:04:10,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:04:10 BoogieIcfgContainer [2023-11-12 02:04:10,769 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:04:10,770 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:04:10,770 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:04:10,770 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:04:10,770 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:02" (3/4) ... [2023-11-12 02:04:10,772 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:04:10,773 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:04:10,773 INFO L158 Benchmark]: Toolchain (without parser) took 9113.71ms. Allocated memory was 136.3MB in the beginning and 222.3MB in the end (delta: 86.0MB). Free memory was 97.4MB in the beginning and 180.5MB in the end (delta: -83.1MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2023-11-12 02:04:10,774 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 136.3MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:04:10,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.18ms. Allocated memory is still 136.3MB. Free memory was 97.0MB in the beginning and 84.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:04:10,774 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.18ms. Allocated memory is still 136.3MB. Free memory was 84.4MB in the beginning and 81.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:04:10,775 INFO L158 Benchmark]: Boogie Preprocessor took 32.82ms. Allocated memory is still 136.3MB. Free memory was 81.6MB in the beginning and 80.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:04:10,775 INFO L158 Benchmark]: RCFGBuilder took 560.80ms. Allocated memory is still 136.3MB. Free memory was 80.1MB in the beginning and 63.4MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 02:04:10,776 INFO L158 Benchmark]: TraceAbstraction took 8159.76ms. Allocated memory was 136.3MB in the beginning and 222.3MB in the end (delta: 86.0MB). Free memory was 63.0MB in the beginning and 180.5MB in the end (delta: -117.5MB). Peak memory consumption was 87.3MB. Max. memory is 16.1GB. [2023-11-12 02:04:10,776 INFO L158 Benchmark]: Witness Printer took 3.00ms. Allocated memory is still 222.3MB. Free memory is still 180.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:04:10,778 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 136.3MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.18ms. Allocated memory is still 136.3MB. Free memory was 97.0MB in the beginning and 84.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.18ms. Allocated memory is still 136.3MB. Free memory was 84.4MB in the beginning and 81.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.82ms. Allocated memory is still 136.3MB. Free memory was 81.6MB in the beginning and 80.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 560.80ms. Allocated memory is still 136.3MB. Free memory was 80.1MB in the beginning and 63.4MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8159.76ms. Allocated memory was 136.3MB in the beginning and 222.3MB in the end (delta: 86.0MB). Free memory was 63.0MB in the beginning and 180.5MB in the end (delta: -117.5MB). Peak memory consumption was 87.3MB. Max. memory is 16.1GB. * Witness Printer took 3.00ms. Allocated memory is still 222.3MB. Free memory is still 180.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 101. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 5; [L23] unsigned long int var_1_3 = 1456677701; [L24] unsigned long int var_1_4 = 1000000000; [L25] unsigned long int var_1_5 = 1; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 0; [L29] signed long int var_1_9 = 256; [L30] signed long int var_1_10 = 8; [L31] unsigned char var_1_11 = 1; [L32] unsigned short int var_1_12 = 16; [L33] unsigned long int var_1_13 = 3110219175; [L34] unsigned short int var_1_14 = 128; [L35] unsigned char var_1_15 = 1; [L36] unsigned char var_1_16 = 0; VAL [isInitial=0, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=1456677701, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L105] isInitial = 1 [L106] FCALL initially() [L107] COND TRUE 1 [L108] FCALL updateLastVariables() [L109] CALL updateVariables() [L67] var_1_3 = __VERIFIER_nondet_ulong() [L68] CALL assume_abort_if_not(var_1_3 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L68] RET assume_abort_if_not(var_1_3 >= 1073741823) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L69] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L69] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L70] var_1_4 = __VERIFIER_nondet_ulong() [L71] CALL assume_abort_if_not(var_1_4 >= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L71] RET assume_abort_if_not(var_1_4 >= 536870911) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L72] CALL assume_abort_if_not(var_1_4 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L72] RET assume_abort_if_not(var_1_4 <= 1073741823) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L73] var_1_5 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L74] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L75] CALL assume_abort_if_not(var_1_5 <= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L75] RET assume_abort_if_not(var_1_5 <= 536870911) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L76] var_1_7 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L77] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L78] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L78] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L79] var_1_9 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L80] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L81] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L81] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L82] var_1_10 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L83] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L84] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L84] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L85] var_1_11 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L86] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L87] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L87] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L88] var_1_13 = __VERIFIER_nondet_ulong() [L89] CALL assume_abort_if_not(var_1_13 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L89] RET assume_abort_if_not(var_1_13 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L90] CALL assume_abort_if_not(var_1_13 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L90] RET assume_abort_if_not(var_1_13 <= 4294967295) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L91] var_1_14 = __VERIFIER_nondet_ushort() [L92] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=65534, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=65534, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L92] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=65534, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L93] CALL assume_abort_if_not(var_1_14 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=65534, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=65534, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L93] RET assume_abort_if_not(var_1_14 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=65534, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L94] var_1_16 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=65534, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=65534, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L95] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=65534, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L96] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=65534, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=65534, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L96] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=65534, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L109] RET updateVariables() [L110] CALL step() [L40] var_1_6 = var_1_7 VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=2147483647, var_1_14=65534, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L41] COND TRUE var_1_5 <= (var_1_13 - var_1_4) [L42] var_1_12 = ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=65534, var_1_13=2147483647, var_1_14=65534, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L44] COND TRUE (var_1_9 * 16.5f) > var_1_10 [L45] var_1_15 = (! var_1_11) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=65534, var_1_13=2147483647, var_1_14=65534, var_1_15=0, var_1_16=1, var_1_1=5, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L49] var_1_1 = (var_1_12 + (var_1_3 - (var_1_4 - var_1_12))) [L50] signed long int stepLocal_1 = (((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12)); [L51] unsigned long int stepLocal_0 = var_1_3; VAL [isInitial=1, stepLocal_0=2147483647, stepLocal_1=65534, var_1_10=0, var_1_11=1, var_1_12=65534, var_1_13=2147483647, var_1_14=65534, var_1_15=0, var_1_16=1, var_1_1=1073872892, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L52] COND TRUE stepLocal_1 != ((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3))) VAL [isInitial=1, stepLocal_0=2147483647, stepLocal_1=65534, var_1_10=0, var_1_11=1, var_1_12=65534, var_1_13=2147483647, var_1_14=65534, var_1_15=0, var_1_16=1, var_1_1=1073872892, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L53] COND FALSE !(var_1_9 == var_1_10) VAL [isInitial=1, stepLocal_0=2147483647, stepLocal_1=65534, var_1_10=0, var_1_11=1, var_1_12=65534, var_1_13=2147483647, var_1_14=65534, var_1_15=0, var_1_16=1, var_1_1=1073872892, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L110] RET step() [L111] CALL, EXPR property() [L101-L102] return ((((var_1_1 == ((unsigned long int) (var_1_12 + (var_1_3 - (var_1_4 - var_1_12))))) && (var_1_6 == ((unsigned char) var_1_7))) && ((((((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12))) != ((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3)))) ? ((var_1_9 == var_1_10) ? (var_1_6 ? ((var_1_3 >= var_1_12) ? (var_1_8 == ((unsigned char) (var_1_7 || var_1_11))) : (var_1_8 == ((unsigned char) var_1_7))) : 1) : 1) : (var_1_8 == ((unsigned char) var_1_11)))) && ((var_1_5 <= (var_1_13 - var_1_4)) ? (var_1_12 == ((unsigned short int) ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))))) : 1)) && (((var_1_9 * 16.5f) > var_1_10) ? (var_1_15 == ((unsigned char) (! var_1_11))) : (var_1_15 == ((unsigned char) (var_1_11 && var_1_16)))) ; VAL [\result=0, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=65534, var_1_13=2147483647, var_1_14=65534, var_1_15=0, var_1_16=1, var_1_1=1073872892, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=65534, var_1_13=2147483647, var_1_14=65534, var_1_15=0, var_1_16=1, var_1_1=1073872892, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=65534, var_1_13=2147483647, var_1_14=65534, var_1_15=0, var_1_16=1, var_1_1=1073872892, var_1_3=2147483647, var_1_4=1073741823, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 3, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 316 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 316 mSDsluCounter, 421 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 287 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 593 IncrementalHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 134 mSDtfsCounter, 593 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 367 GetRequests, 320 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 654 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=2, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 16 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 493 NumberOfCodeBlocks, 493 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 488 ConstructedInterpolants, 0 QuantifiedInterpolants, 4551 SizeOfPredicates, 12 NumberOfNonLiveVariables, 291 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2587/3040 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 02:04:10,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/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_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/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_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/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 2ed1635dc6d8064ed19cc47260dbac48845189c1db702c0725e361d24a01f9fc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:04:13,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:04:13,572 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:04:13,578 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:04:13,579 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:04:13,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:04:13,607 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:04:13,607 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:04:13,608 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:04:13,609 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:04:13,610 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:04:13,611 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:04:13,612 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:04:13,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:04:13,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:04:13,614 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:04:13,615 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:04:13,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:04:13,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:04:13,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:04:13,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:04:13,618 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:04:13,619 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:04:13,619 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:04:13,620 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:04:13,621 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:04:13,621 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:04:13,622 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:04:13,623 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:04:13,623 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:04:13,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:04:13,624 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:04:13,625 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:04:13,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:04:13,626 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:04:13,626 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:04:13,627 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:04:13,627 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:04:13,627 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:04:13,628 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:04:13,628 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:04:13,629 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:04:13,629 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_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed1635dc6d8064ed19cc47260dbac48845189c1db702c0725e361d24a01f9fc [2023-11-12 02:04:14,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:04:14,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:04:14,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:04:14,109 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:04:14,109 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:04:14,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i [2023-11-12 02:04:17,097 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:04:17,404 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:04:17,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i [2023-11-12 02:04:17,417 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/data/84d5e9d6b/ab098bfa60384cc7ab234fc2a5ecaa88/FLAG3bac978e9 [2023-11-12 02:04:17,435 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/data/84d5e9d6b/ab098bfa60384cc7ab234fc2a5ecaa88 [2023-11-12 02:04:17,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:04:17,445 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:04:17,448 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:17,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:04:17,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:04:17,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:17" (1/1) ... [2023-11-12 02:04:17,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4752b3fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:17, skipping insertion in model container [2023-11-12 02:04:17,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:17" (1/1) ... [2023-11-12 02:04:17,499 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:04:17,698 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_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i[916,929] [2023-11-12 02:04:17,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:17,766 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:04:17,781 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_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i[916,929] [2023-11-12 02:04:17,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:17,843 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:04:17,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:17 WrapperNode [2023-11-12 02:04:17,843 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:17,844 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:17,845 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:04:17,845 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:04:17,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:17" (1/1) ... [2023-11-12 02:04:17,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:17" (1/1) ... [2023-11-12 02:04:17,896 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2023-11-12 02:04:17,897 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:17,897 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:04:17,898 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:04:17,898 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:04:17,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:17" (1/1) ... [2023-11-12 02:04:17,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:17" (1/1) ... [2023-11-12 02:04:17,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:17" (1/1) ... [2023-11-12 02:04:17,934 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:17" (1/1) ... [2023-11-12 02:04:17,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:17" (1/1) ... [2023-11-12 02:04:17,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:17" (1/1) ... [2023-11-12 02:04:17,987 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:17" (1/1) ... [2023-11-12 02:04:18,002 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:17" (1/1) ... [2023-11-12 02:04:18,006 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:04:18,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:04:18,007 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:04:18,007 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:04:18,008 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:17" (1/1) ... [2023-11-12 02:04:18,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:04:18,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:04:18,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:04:18,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:04:18,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:04:18,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:04:18,104 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:04:18,104 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:04:18,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:04:18,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:04:18,203 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:04:18,206 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:04:21,871 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:04:21,887 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:04:21,896 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:04:21,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:21 BoogieIcfgContainer [2023-11-12 02:04:21,899 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:04:21,902 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:04:21,904 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:04:21,908 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:04:21,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:04:17" (1/3) ... [2023-11-12 02:04:21,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bef6baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:21, skipping insertion in model container [2023-11-12 02:04:21,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:17" (2/3) ... [2023-11-12 02:04:21,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bef6baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:21, skipping insertion in model container [2023-11-12 02:04:21,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:21" (3/3) ... [2023-11-12 02:04:21,911 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-53.i [2023-11-12 02:04:21,927 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:04:21,927 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:04:21,973 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:04:21,980 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;@5fbd63df, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:04:21,981 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:04:21,986 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 02:04:22,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-12 02:04:22,010 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:22,011 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:04:22,014 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:04:22,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:22,022 INFO L85 PathProgramCache]: Analyzing trace with hash -431780908, now seen corresponding path program 1 times [2023-11-12 02:04:22,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:04:22,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1184628007] [2023-11-12 02:04:22,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:22,039 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 02:04:22,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:04:22,045 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/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 02:04:22,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/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 02:04:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:22,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:04:22,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:04:22,501 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2023-11-12 02:04:22,501 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:04:22,502 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:04:22,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1184628007] [2023-11-12 02:04:22,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1184628007] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:04:22,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:04:22,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:04:22,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057765467] [2023-11-12 02:04:22,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:04:22,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:04:22,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:04:22,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:04:22,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:04:22,558 INFO L87 Difference]: Start difference. First operand has 56 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 02:04:22,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:22,591 INFO L93 Difference]: Finished difference Result 105 states and 182 transitions. [2023-11-12 02:04:22,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:04:22,594 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 123 [2023-11-12 02:04:22,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:22,602 INFO L225 Difference]: With dead ends: 105 [2023-11-12 02:04:22,603 INFO L226 Difference]: Without dead ends: 52 [2023-11-12 02:04:22,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 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 02:04:22,611 INFO L413 NwaCegarLoop]: 77 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, 77 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 02:04:22,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:04:22,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-12 02:04:22,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-12 02:04:22,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-12 02:04:22,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2023-11-12 02:04:22,663 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 77 transitions. Word has length 123 [2023-11-12 02:04:22,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:22,664 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 77 transitions. [2023-11-12 02:04:22,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-12 02:04:22,664 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2023-11-12 02:04:22,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-12 02:04:22,668 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:22,669 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:04:22,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/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 02:04:22,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/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 02:04:22,884 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:04:22,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:22,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1509225428, now seen corresponding path program 1 times [2023-11-12 02:04:22,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:04:22,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1034762903] [2023-11-12 02:04:22,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:22,886 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 02:04:22,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:04:22,913 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/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 02:04:22,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/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 02:04:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:23,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 02:04:23,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:04:25,349 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 88 proven. 192 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-12 02:04:25,350 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:04:25,686 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:04:25,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1034762903] [2023-11-12 02:04:25,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1034762903] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:04:25,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1408774221] [2023-11-12 02:04:25,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:25,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 02:04:25,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/cvc4 [2023-11-12 02:04:25,694 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 02:04:25,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c6a2fb1-c5dd-466b-8ba0-b2bb6c2d63f4/bin/uautomizer-verify-uTZkv6EMXl/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-12 02:04:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:26,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-12 02:04:26,052 INFO L285 TraceCheckSpWp]: Computing forward predicates...