./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-32.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme --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 7783bc75b93bc504ba1fdc3ecbcf9909623c9094a956571abd3c7cd055d45970 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:44:42,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:44:42,237 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 10:44:42,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:44:42,246 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:44:42,286 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:44:42,287 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:44:42,287 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:44:42,288 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:44:42,294 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:44:42,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:44:42,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:44:42,296 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:44:42,298 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:44:42,298 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:44:42,299 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:44:42,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:44:42,300 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:44:42,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:44:42,301 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:44:42,303 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:44:42,304 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:44:42,305 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:44:42,305 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:44:42,306 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:44:42,306 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:44:42,307 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:44:42,308 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:44:42,309 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:44:42,309 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:44:42,311 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:44:42,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:44:42,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:44:42,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:44:42,313 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:44:42,313 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:44:42,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:44:42,314 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:44:42,314 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:44:42,314 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:44:42,315 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:44:42,315 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:44:42,316 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_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7783bc75b93bc504ba1fdc3ecbcf9909623c9094a956571abd3c7cd055d45970 [2023-11-26 10:44:42,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:44:42,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:44:42,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:44:42,731 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:44:42,732 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:44:42,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-32.i [2023-11-26 10:44:45,926 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:44:46,273 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:44:46,276 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-32.i [2023-11-26 10:44:46,292 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/data/71427758d/04113513e9f84692aacdff03cd0a8e31/FLAGea822e50b [2023-11-26 10:44:46,315 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/data/71427758d/04113513e9f84692aacdff03cd0a8e31 [2023-11-26 10:44:46,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:44:46,323 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:44:46,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:44:46,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:44:46,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:44:46,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:44:46" (1/1) ... [2023-11-26 10:44:46,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f05da20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:46, skipping insertion in model container [2023-11-26 10:44:46,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:44:46" (1/1) ... [2023-11-26 10:44:46,386 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:44:46,584 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_73ee327a-1db9-4722-94c3-67b801b6f743/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-32.i[915,928] [2023-11-26 10:44:46,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:44:46,677 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:44:46,695 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_73ee327a-1db9-4722-94c3-67b801b6f743/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-32.i[915,928] [2023-11-26 10:44:46,729 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:44:46,756 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:44:46,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:46 WrapperNode [2023-11-26 10:44:46,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:44:46,758 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:44:46,758 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:44:46,758 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:44:46,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:46" (1/1) ... [2023-11-26 10:44:46,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:46" (1/1) ... [2023-11-26 10:44:46,831 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2023-11-26 10:44:46,831 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:44:46,832 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:44:46,832 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:44:46,833 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:44:46,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:46" (1/1) ... [2023-11-26 10:44:46,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:46" (1/1) ... [2023-11-26 10:44:46,849 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:46" (1/1) ... [2023-11-26 10:44:46,874 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:44:46,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:46" (1/1) ... [2023-11-26 10:44:46,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:46" (1/1) ... [2023-11-26 10:44:46,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:46" (1/1) ... [2023-11-26 10:44:46,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:46" (1/1) ... [2023-11-26 10:44:46,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:46" (1/1) ... [2023-11-26 10:44:46,894 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:46" (1/1) ... [2023-11-26 10:44:46,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:44:46,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:44:46,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:44:46,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:44:46,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:46" (1/1) ... [2023-11-26 10:44:46,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:44:46,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:46,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:46,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:44:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:44:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:44:47,001 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:44:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:44:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:44:47,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:44:47,126 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:44:47,128 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:44:47,553 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:44:47,606 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:44:47,606 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:44:47,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:44:47 BoogieIcfgContainer [2023-11-26 10:44:47,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:44:47,610 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:44:47,610 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:44:47,615 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:44:47,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:44:46" (1/3) ... [2023-11-26 10:44:47,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae4cbf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:44:47, skipping insertion in model container [2023-11-26 10:44:47,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:46" (2/3) ... [2023-11-26 10:44:47,617 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae4cbf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:44:47, skipping insertion in model container [2023-11-26 10:44:47,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:44:47" (3/3) ... [2023-11-26 10:44:47,619 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-32.i [2023-11-26 10:44:47,643 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:44:47,643 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:44:47,703 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:44:47,713 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;@7a4cf1a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:44:47,713 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:44:47,718 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 35 states have internal predecessors, (50), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-26 10:44:47,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-26 10:44:47,741 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:47,742 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:47,743 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:44:47,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:47,751 INFO L85 PathProgramCache]: Analyzing trace with hash -2100444382, now seen corresponding path program 1 times [2023-11-26 10:44:47,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:47,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449335378] [2023-11-26 10:44:47,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:47,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:48,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:44:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:48,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:44:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:48,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 10:44:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:48,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 10:44:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:48,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:44:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:48,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:44:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:48,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 10:44:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:48,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-26 10:44:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:48,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 10:44:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:48,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 10:44:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:48,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 10:44:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:48,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-26 10:44:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:48,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-26 10:44:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:48,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-26 10:44:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:48,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-26 10:44:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:48,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-26 10:44:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:48,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-26 10:44:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:48,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-26 10:44:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:48,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-26 10:44:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-26 10:44:48,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:48,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449335378] [2023-11-26 10:44:48,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449335378] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:48,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:44:48,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:44:48,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842840814] [2023-11-26 10:44:48,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:48,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:44:48,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:48,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:44:48,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:44:48,511 INFO L87 Difference]: Start difference. First operand has 56 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 35 states have internal predecessors, (50), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-26 10:44:48,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:48,573 INFO L93 Difference]: Finished difference Result 109 states and 193 transitions. [2023-11-26 10:44:48,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:44:48,577 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 119 [2023-11-26 10:44:48,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:48,588 INFO L225 Difference]: With dead ends: 109 [2023-11-26 10:44:48,588 INFO L226 Difference]: Without dead ends: 54 [2023-11-26 10:44:48,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:44:48,598 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:48,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:44:48,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-26 10:44:48,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-26 10:44:48,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 33 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-26 10:44:48,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 83 transitions. [2023-11-26 10:44:48,665 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 83 transitions. Word has length 119 [2023-11-26 10:44:48,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:48,666 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 83 transitions. [2023-11-26 10:44:48,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-26 10:44:48,667 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2023-11-26 10:44:48,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-26 10:44:48,671 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:48,672 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:48,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:44:48,673 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:44:48,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:48,674 INFO L85 PathProgramCache]: Analyzing trace with hash -847794852, now seen corresponding path program 1 times [2023-11-26 10:44:48,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:48,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283686933] [2023-11-26 10:44:48,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:48,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:49,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:44:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:49,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:44:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:49,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 10:44:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:49,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 10:44:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:49,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:44:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:49,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:44:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:49,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 10:44:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:49,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-26 10:44:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:49,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 10:44:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:49,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 10:44:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:49,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 10:44:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:49,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-26 10:44:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:49,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-26 10:44:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:49,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-26 10:44:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:49,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-26 10:44:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:49,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-26 10:44:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:49,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-26 10:44:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:49,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-26 10:44:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:49,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-26 10:44:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:49,429 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-26 10:44:49,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:49,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283686933] [2023-11-26 10:44:49,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283686933] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:44:49,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70416706] [2023-11-26 10:44:49,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:49,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:44:49,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:49,435 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:44:49,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 10:44:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:49,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 10:44:49,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:44:49,875 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 270 proven. 12 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2023-11-26 10:44:49,875 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:44:50,184 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-26 10:44:50,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70416706] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:44:50,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:44:50,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2023-11-26 10:44:50,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468564238] [2023-11-26 10:44:50,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:44:50,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 10:44:50,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:50,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 10:44:50,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:44:50,197 INFO L87 Difference]: Start difference. First operand 54 states and 83 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-26 10:44:50,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:50,598 INFO L93 Difference]: Finished difference Result 138 states and 209 transitions. [2023-11-26 10:44:50,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 10:44:50,599 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 119 [2023-11-26 10:44:50,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:50,608 INFO L225 Difference]: With dead ends: 138 [2023-11-26 10:44:50,608 INFO L226 Difference]: Without dead ends: 85 [2023-11-26 10:44:50,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 271 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-26 10:44:50,615 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 86 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:50,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 161 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 10:44:50,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-26 10:44:50,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 80. [2023-11-26 10:44:50,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 44 states have (on average 1.25) internal successors, (55), 45 states have internal predecessors, (55), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-26 10:44:50,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 121 transitions. [2023-11-26 10:44:50,659 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 121 transitions. Word has length 119 [2023-11-26 10:44:50,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:50,662 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 121 transitions. [2023-11-26 10:44:50,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-26 10:44:50,663 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 121 transitions. [2023-11-26 10:44:50,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-26 10:44:50,676 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:50,676 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:50,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-26 10:44:50,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:44:50,883 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:44:50,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:50,883 INFO L85 PathProgramCache]: Analyzing trace with hash 149444088, now seen corresponding path program 1 times [2023-11-26 10:44:50,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:50,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443721752] [2023-11-26 10:44:50,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:50,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:51,002 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:44:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:44:51,143 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:44:51,144 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 10:44:51,145 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 10:44:51,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:44:51,150 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-26 10:44:51,154 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:44:51,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:44:51 BoogieIcfgContainer [2023-11-26 10:44:51,282 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:44:51,282 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:44:51,282 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:44:51,283 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:44:51,283 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:44:47" (3/4) ... [2023-11-26 10:44:51,285 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:44:51,286 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:44:51,287 INFO L158 Benchmark]: Toolchain (without parser) took 4964.73ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 110.7MB in the beginning and 129.5MB in the end (delta: -18.8MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2023-11-26 10:44:51,291 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:44:51,293 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.67ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 97.0MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 10:44:51,294 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.86ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 93.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:44:51,294 INFO L158 Benchmark]: Boogie Preprocessor took 81.98ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 88.7MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 10:44:51,294 INFO L158 Benchmark]: RCFGBuilder took 692.54ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 66.8MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-26 10:44:51,295 INFO L158 Benchmark]: TraceAbstraction took 3671.61ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 66.1MB in the beginning and 129.5MB in the end (delta: -63.4MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2023-11-26 10:44:51,295 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 182.5MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:44:51,299 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.67ms. Allocated memory is still 142.6MB. Free memory was 110.3MB in the beginning and 97.0MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.86ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 93.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.98ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 88.7MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 692.54ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 66.8MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3671.61ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 66.1MB in the beginning and 129.5MB in the end (delta: -63.4MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 182.5MB. Free memory is still 129.5MB. 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 130, overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of someBinaryArithmeticFLOAToperation at line 81. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 2; [L23] unsigned char var_1_4 = 100; [L24] unsigned char var_1_5 = 2; [L25] unsigned char var_1_6 = 64; [L26] unsigned char var_1_7 = 32; [L27] unsigned char var_1_8 = 32; [L28] float var_1_9 = 100.5; [L29] float var_1_11 = 0.8; [L30] float var_1_12 = 2.5; [L31] signed short int var_1_13 = -32; [L32] unsigned char var_1_15 = 1; [L33] unsigned char var_1_16 = 0; [L34] unsigned char var_1_17 = 0; [L35] float var_1_18 = 0.25; [L36] float var_1_19 = 100000000.25; [L37] signed char var_1_20 = 0; [L38] signed char var_1_21 = 10; [L39] double var_1_22 = 1000000.5; [L40] unsigned long int var_1_23 = 256; [L41] unsigned long int var_1_24 = 50; [L42] unsigned char last_1_var_1_1 = 2; [L43] unsigned char last_1_var_1_15 = 1; [L44] signed char last_1_var_1_20 = 0; [L134] isInitial = 1 [L135] FCALL initially() [L136] COND TRUE 1 [L137] CALL updateLastVariables() [L125] last_1_var_1_1 = var_1_1 [L126] last_1_var_1_15 = var_1_15 [L127] last_1_var_1_20 = var_1_20 [L137] RET updateLastVariables() [L138] CALL updateVariables() [L93] var_1_4 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_4 >= 95) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L94] RET assume_abort_if_not(var_1_4 >= 95) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L95] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L95] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L96] var_1_5 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L97] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L98] CALL assume_abort_if_not(var_1_5 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L98] RET assume_abort_if_not(var_1_5 <= 32) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L99] var_1_6 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_6 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L100] RET assume_abort_if_not(var_1_6 >= 64) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L101] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L101] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L102] var_1_7 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_8=32, var_1_9=201/2] [L103] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_8=32, var_1_9=201/2] [L104] CALL assume_abort_if_not(var_1_7 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L104] RET assume_abort_if_not(var_1_7 <= 64) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L105] var_1_8 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_9=201/2] [L106] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_9=201/2] [L107] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L107] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L108] var_1_11 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L109] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L110] var_1_12 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L111] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L112] var_1_16 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L113] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L114] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L114] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L115] var_1_17 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L116] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L117] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L117] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L118] var_1_19 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L119] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L120] var_1_21 = __VERIFIER_nondet_char() [L121] CALL assume_abort_if_not(var_1_21 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L121] RET assume_abort_if_not(var_1_21 >= -31) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L122] CALL assume_abort_if_not(var_1_21 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L122] RET assume_abort_if_not(var_1_21 <= 31) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L138] RET updateVariables() [L139] CALL step() [L48] COND FALSE !(var_1_5 >= var_1_6) [L57] var_1_15 = var_1_17 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L59] unsigned char stepLocal_1 = var_1_15; [L60] unsigned char stepLocal_0 = var_1_15; VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, stepLocal_0=1, stepLocal_1=1, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L61] COND TRUE var_1_17 || stepLocal_0 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, stepLocal_0=1, stepLocal_1=1, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L62] COND TRUE var_1_15 && stepLocal_1 [L63] var_1_18 = (var_1_11 + var_1_19) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, stepLocal_0=1, stepLocal_1=1, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_1=2, var_1_20=0, var_1_21=31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L68] COND FALSE !((var_1_12 * ((((var_1_18) < (var_1_11)) ? (var_1_18) : (var_1_11)))) > (- var_1_18)) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, stepLocal_0=1, stepLocal_1=1, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_1=2, var_1_20=0, var_1_21=31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L77] COND TRUE var_1_11 == var_1_18 [L78] var_1_20 = ((var_1_5 + var_1_21) + var_1_8) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, stepLocal_0=1, stepLocal_1=1, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_1=2, var_1_20=126, var_1_21=31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L80] COND TRUE (var_1_13 + ((((var_1_13) > (var_1_6)) ? (var_1_13) : (var_1_6)))) == var_1_5 [L81] var_1_9 = ((4.5f + var_1_11) - var_1_12) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, stepLocal_0=1, stepLocal_1=1, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_1=2, var_1_20=126, var_1_21=31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63] [L85] var_1_22 = var_1_12 [L86] var_1_23 = var_1_8 [L87] var_1_24 = var_1_6 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, stepLocal_0=1, stepLocal_1=1, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_1=2, var_1_20=126, var_1_21=31, var_1_22=100000005, var_1_23=63, var_1_24=64, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63] [L88] COND FALSE !(-32 < var_1_13) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, stepLocal_0=1, stepLocal_1=1, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_1=2, var_1_20=126, var_1_21=31, var_1_22=100000005, var_1_23=63, var_1_24=64, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63] [L139] RET step() [L140] CALL, EXPR property() [L130-L131] return (((((((((-32 < var_1_13) ? (var_1_1 == ((unsigned char) (((var_1_4 - var_1_5) + var_1_6) - (var_1_7 + ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))))) : 1) && (((var_1_13 + ((((var_1_13) > (var_1_6)) ? (var_1_13) : (var_1_6)))) == var_1_5) ? (var_1_9 == ((float) ((4.5f + var_1_11) - var_1_12))) : (var_1_9 == ((float) var_1_12)))) && (((var_1_12 * ((((var_1_18) < (var_1_11)) ? (var_1_18) : (var_1_11)))) > (- var_1_18)) ? ((var_1_6 <= var_1_8) ? (var_1_15 ? (var_1_13 == ((signed short int) var_1_8)) : (var_1_13 == ((signed short int) var_1_5))) : 1) : 1)) && ((var_1_5 >= var_1_6) ? ((last_1_var_1_1 <= last_1_var_1_20) ? (var_1_15 == ((unsigned char) var_1_16)) : ((last_1_var_1_15 || var_1_16) ? (var_1_15 == ((unsigned char) var_1_17)) : 1)) : (var_1_15 == ((unsigned char) var_1_17)))) && ((var_1_17 || var_1_15) ? ((var_1_15 && var_1_15) ? (var_1_18 == ((float) (var_1_11 + var_1_19))) : (var_1_18 == ((float) var_1_19))) : 1)) && ((var_1_11 == var_1_18) ? (var_1_20 == ((signed char) ((var_1_5 + var_1_21) + var_1_8))) : 1)) && (var_1_22 == ((double) var_1_12))) && (var_1_23 == ((unsigned long int) var_1_8))) && (var_1_24 == ((unsigned long int) var_1_6)) ; [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_1=2, var_1_20=126, var_1_21=31, var_1_22=100000005, var_1_23=63, var_1_24=64, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_1=2, var_1_20=126, var_1_21=31, var_1_22=100000005, var_1_23=63, var_1_24=64, var_1_4=127, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 3, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 100 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 86 mSDsluCounter, 241 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 81 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 167 IncrementalHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 160 mSDtfsCounter, 167 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 341 GetRequests, 330 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=2, InterpolantAutomatonStates: 11, 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, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 477 NumberOfCodeBlocks, 477 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 472 ConstructedInterpolants, 0 QuantifiedInterpolants, 892 SizeOfPredicates, 3 NumberOfNonLiveVariables, 295 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2700/2736 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 [2023-11-26 10:44:51,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme --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 7783bc75b93bc504ba1fdc3ecbcf9909623c9094a956571abd3c7cd055d45970 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:44:54,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:44:54,262 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 10:44:54,272 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:44:54,273 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:44:54,328 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:44:54,329 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:44:54,330 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:44:54,331 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:44:54,336 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:44:54,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:44:54,337 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:44:54,338 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:44:54,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:44:54,340 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:44:54,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:44:54,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:44:54,342 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:44:54,343 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:44:54,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:44:54,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:44:54,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:44:54,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:44:54,346 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 10:44:54,346 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 10:44:54,347 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 10:44:54,347 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:44:54,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:44:54,348 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:44:54,349 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:44:54,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:44:54,351 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:44:54,351 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:44:54,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:44:54,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:44:54,352 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:44:54,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:44:54,353 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 10:44:54,354 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 10:44:54,354 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:44:54,354 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:44:54,354 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:44:54,355 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:44:54,355 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:44:54,356 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 10:44:54,356 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_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7783bc75b93bc504ba1fdc3ecbcf9909623c9094a956571abd3c7cd055d45970 [2023-11-26 10:44:54,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:44:54,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:44:54,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:44:54,868 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:44:54,869 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:44:54,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-32.i [2023-11-26 10:44:58,233 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:44:58,561 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:44:58,561 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-32.i [2023-11-26 10:44:58,572 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/data/11cac23e7/5ee813f920b646df92225b13d110b709/FLAGce5e13fdb [2023-11-26 10:44:58,589 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/data/11cac23e7/5ee813f920b646df92225b13d110b709 [2023-11-26 10:44:58,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:44:58,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:44:58,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:44:58,596 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:44:58,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:44:58,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:44:58" (1/1) ... [2023-11-26 10:44:58,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f51c05d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:58, skipping insertion in model container [2023-11-26 10:44:58,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:44:58" (1/1) ... [2023-11-26 10:44:58,656 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:44:58,819 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_73ee327a-1db9-4722-94c3-67b801b6f743/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-32.i[915,928] [2023-11-26 10:44:58,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:44:58,911 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:44:58,934 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_73ee327a-1db9-4722-94c3-67b801b6f743/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-32.i[915,928] [2023-11-26 10:44:58,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:44:59,018 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:44:59,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:59 WrapperNode [2023-11-26 10:44:59,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:44:59,020 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:44:59,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:44:59,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:44:59,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:59" (1/1) ... [2023-11-26 10:44:59,055 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:59" (1/1) ... [2023-11-26 10:44:59,099 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2023-11-26 10:44:59,100 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:44:59,100 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:44:59,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:44:59,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:44:59,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:59" (1/1) ... [2023-11-26 10:44:59,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:59" (1/1) ... [2023-11-26 10:44:59,118 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:59" (1/1) ... [2023-11-26 10:44:59,132 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:44:59,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:59" (1/1) ... [2023-11-26 10:44:59,133 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:59" (1/1) ... [2023-11-26 10:44:59,143 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:59" (1/1) ... [2023-11-26 10:44:59,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:59" (1/1) ... [2023-11-26 10:44:59,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:59" (1/1) ... [2023-11-26 10:44:59,152 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:59" (1/1) ... [2023-11-26 10:44:59,156 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:44:59,157 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:44:59,157 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:44:59,158 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:44:59,158 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:59" (1/1) ... [2023-11-26 10:44:59,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:44:59,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:59,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:59,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:44:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:44:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 10:44:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:44:59,250 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:44:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:44:59,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:44:59,389 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:44:59,392 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:45:03,580 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:45:03,684 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:45:03,685 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:45:03,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:45:03 BoogieIcfgContainer [2023-11-26 10:45:03,685 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:45:03,696 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:45:03,696 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:45:03,700 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:45:03,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:44:58" (1/3) ... [2023-11-26 10:45:03,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a1c5e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:45:03, skipping insertion in model container [2023-11-26 10:45:03,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:59" (2/3) ... [2023-11-26 10:45:03,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a1c5e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:45:03, skipping insertion in model container [2023-11-26 10:45:03,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:45:03" (3/3) ... [2023-11-26 10:45:03,706 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-32.i [2023-11-26 10:45:03,751 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:45:03,753 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:45:03,827 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:45:03,835 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;@7c6ff972, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:45:03,836 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:45:03,841 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 35 states have internal predecessors, (50), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-26 10:45:03,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-26 10:45:03,863 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:45:03,864 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:03,865 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:45:03,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:03,874 INFO L85 PathProgramCache]: Analyzing trace with hash -2100444382, now seen corresponding path program 1 times [2023-11-26 10:45:03,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:45:03,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [400150255] [2023-11-26 10:45:03,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:03,896 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 [2023-11-26 10:45:03,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:45:03,903 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:45:03,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:45:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:04,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 10:45:04,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:45:04,543 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-11-26 10:45:04,544 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:45:04,545 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:45:04,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [400150255] [2023-11-26 10:45:04,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [400150255] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:04,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:04,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:45:04,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246229425] [2023-11-26 10:45:04,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:04,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:45:04,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:45:04,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:45:04,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:45:04,601 INFO L87 Difference]: Start difference. First operand has 56 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 35 states have internal predecessors, (50), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-26 10:45:07,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 10:45:07,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:45:07,206 INFO L93 Difference]: Finished difference Result 109 states and 193 transitions. [2023-11-26 10:45:07,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:45:07,236 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 119 [2023-11-26 10:45:07,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:45:07,243 INFO L225 Difference]: With dead ends: 109 [2023-11-26 10:45:07,243 INFO L226 Difference]: Without dead ends: 54 [2023-11-26 10:45:07,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:45:07,250 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-26 10:45:07,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-26 10:45:07,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-26 10:45:07,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-26 10:45:07,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 33 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-26 10:45:07,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 83 transitions. [2023-11-26 10:45:07,326 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 83 transitions. Word has length 119 [2023-11-26 10:45:07,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:45:07,327 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 83 transitions. [2023-11-26 10:45:07,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-26 10:45:07,328 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2023-11-26 10:45:07,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-26 10:45:07,334 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:45:07,334 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:07,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:45:07,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:45:07,543 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:45:07,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:07,544 INFO L85 PathProgramCache]: Analyzing trace with hash -847794852, now seen corresponding path program 1 times [2023-11-26 10:45:07,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:45:07,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1237649426] [2023-11-26 10:45:07,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:07,545 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 [2023-11-26 10:45:07,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:45:07,573 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:45:07,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:45:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:07,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:45:07,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:45:08,199 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 270 proven. 12 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2023-11-26 10:45:08,199 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:45:08,506 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-26 10:45:08,507 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:45:08,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1237649426] [2023-11-26 10:45:08,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1237649426] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:45:08,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-26 10:45:08,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-26 10:45:08,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953600565] [2023-11-26 10:45:08,509 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-26 10:45:08,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 10:45:08,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:45:08,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 10:45:08,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:45:08,512 INFO L87 Difference]: Start difference. First operand 54 states and 83 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-26 10:45:12,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-26 10:45:12,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:45:12,410 INFO L93 Difference]: Finished difference Result 138 states and 209 transitions. [2023-11-26 10:45:12,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 10:45:12,411 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 119 [2023-11-26 10:45:12,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:45:12,414 INFO L225 Difference]: With dead ends: 138 [2023-11-26 10:45:12,415 INFO L226 Difference]: Without dead ends: 85 [2023-11-26 10:45:12,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 230 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-26 10:45:12,418 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 120 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-26 10:45:12,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 169 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-26 10:45:12,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-26 10:45:12,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 80. [2023-11-26 10:45:12,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 44 states have (on average 1.25) internal successors, (55), 45 states have internal predecessors, (55), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-26 10:45:12,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 121 transitions. [2023-11-26 10:45:12,438 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 121 transitions. Word has length 119 [2023-11-26 10:45:12,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:45:12,439 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 121 transitions. [2023-11-26 10:45:12,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-26 10:45:12,440 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 121 transitions. [2023-11-26 10:45:12,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-26 10:45:12,442 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:45:12,442 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:45:12,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:45:12,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 10:45:12,651 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:45:12,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:12,651 INFO L85 PathProgramCache]: Analyzing trace with hash 149444088, now seen corresponding path program 1 times [2023-11-26 10:45:12,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:45:12,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1534171077] [2023-11-26 10:45:12,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:12,653 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 [2023-11-26 10:45:12,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:45:12,658 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 10:45:12,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ee327a-1db9-4722-94c3-67b801b6f743/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-26 10:45:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:12,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 10:45:12,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:45:42,140 WARN L293 SmtUtils]: Spent 14.61s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-26 10:45:43,074 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 368 proven. 42 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2023-11-26 10:45:43,074 INFO L327 TraceCheckSpWp]: Computing backward predicates...