./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-39.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_511330b9-dd4a-4ad6-8678-e26eeaef760f/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_511330b9-dd4a-4ad6-8678-e26eeaef760f/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_511330b9-dd4a-4ad6-8678-e26eeaef760f/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_511330b9-dd4a-4ad6-8678-e26eeaef760f/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-39.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_511330b9-dd4a-4ad6-8678-e26eeaef760f/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_511330b9-dd4a-4ad6-8678-e26eeaef760f/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 78de43592ca6b7d37ead12b175005a08c5eee56c1070f4d73c349a7f62011e20 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:42:41,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:42:41,848 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_511330b9-dd4a-4ad6-8678-e26eeaef760f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 10:42:41,856 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:42:41,857 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:42:41,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:42:41,898 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:42:41,898 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:42:41,900 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:42:41,905 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:42:41,905 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:42:41,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:42:41,907 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:42:41,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:42:41,910 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:42:41,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:42:41,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:42:41,911 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:42:41,912 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:42:41,912 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:42:41,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:42:41,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:42:41,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:42:41,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:42:41,915 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:42:41,915 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:42:41,916 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:42:41,917 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:42:41,917 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:42:41,918 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:42:41,943 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:42:41,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:42:41,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:42:41,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:42:41,944 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:42:41,945 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:42:41,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:42:41,946 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:42:41,946 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:42:41,946 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:42:41,947 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:42:41,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:42:41,949 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_511330b9-dd4a-4ad6-8678-e26eeaef760f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_511330b9-dd4a-4ad6-8678-e26eeaef760f/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78de43592ca6b7d37ead12b175005a08c5eee56c1070f4d73c349a7f62011e20 [2023-11-26 10:42:42,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:42:42,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:42:42,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:42:42,278 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:42:42,279 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:42:42,281 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_511330b9-dd4a-4ad6-8678-e26eeaef760f/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-39.i [2023-11-26 10:42:45,355 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:42:45,627 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:42:45,627 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_511330b9-dd4a-4ad6-8678-e26eeaef760f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-39.i [2023-11-26 10:42:45,637 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_511330b9-dd4a-4ad6-8678-e26eeaef760f/bin/uautomizer-verify-VRDe98Ueme/data/1909a2f90/713fe61c968a4ff2bd20ef4d21fef15e/FLAGedfb773a1 [2023-11-26 10:42:45,655 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_511330b9-dd4a-4ad6-8678-e26eeaef760f/bin/uautomizer-verify-VRDe98Ueme/data/1909a2f90/713fe61c968a4ff2bd20ef4d21fef15e [2023-11-26 10:42:45,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:42:45,660 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:42:45,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:42:45,662 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:42:45,668 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:42:45,669 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:42:45" (1/1) ... [2023-11-26 10:42:45,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47fe839a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:45, skipping insertion in model container [2023-11-26 10:42:45,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:42:45" (1/1) ... [2023-11-26 10:42:45,694 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:42:45,853 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_511330b9-dd4a-4ad6-8678-e26eeaef760f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-39.i[915,928] [2023-11-26 10:42:45,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:42:45,935 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:42:45,954 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_511330b9-dd4a-4ad6-8678-e26eeaef760f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-39.i[915,928] [2023-11-26 10:42:46,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:42:46,040 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:42:46,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:46 WrapperNode [2023-11-26 10:42:46,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:42:46,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:42:46,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:42:46,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:42:46,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:46" (1/1) ... [2023-11-26 10:42:46,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:46" (1/1) ... [2023-11-26 10:42:46,112 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2023-11-26 10:42:46,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:42:46,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:42:46,114 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:42:46,114 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:42:46,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:46" (1/1) ... [2023-11-26 10:42:46,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:46" (1/1) ... [2023-11-26 10:42:46,130 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:46" (1/1) ... [2023-11-26 10:42:46,146 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 10:42:46,147 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:46" (1/1) ... [2023-11-26 10:42:46,147 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:46" (1/1) ... [2023-11-26 10:42:46,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:46" (1/1) ... [2023-11-26 10:42:46,157 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:46" (1/1) ... [2023-11-26 10:42:46,159 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:46" (1/1) ... [2023-11-26 10:42:46,160 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:46" (1/1) ... [2023-11-26 10:42:46,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:42:46,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:42:46,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:42:46,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:42:46,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:46" (1/1) ... [2023-11-26 10:42:46,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:42:46,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_511330b9-dd4a-4ad6-8678-e26eeaef760f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:46,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_511330b9-dd4a-4ad6-8678-e26eeaef760f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:46,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_511330b9-dd4a-4ad6-8678-e26eeaef760f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:42:46,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:42:46,266 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:42:46,266 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:42:46,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:42:46,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:42:46,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:42:46,371 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:42:46,374 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:42:46,726 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:42:46,777 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:42:46,777 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:42:46,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:42:46 BoogieIcfgContainer [2023-11-26 10:42:46,778 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:42:46,790 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:42:46,791 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:42:46,796 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:42:46,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:42:45" (1/3) ... [2023-11-26 10:42:46,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1211f53a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:42:46, skipping insertion in model container [2023-11-26 10:42:46,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:46" (2/3) ... [2023-11-26 10:42:46,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1211f53a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:42:46, skipping insertion in model container [2023-11-26 10:42:46,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:42:46" (3/3) ... [2023-11-26 10:42:46,804 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-39.i [2023-11-26 10:42:46,829 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:42:46,829 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:42:46,888 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:42:46,896 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;@6f48f818, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:42:46,897 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:42:46,902 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 10:42:46,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-26 10:42:46,916 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:42:46,917 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:42:46,918 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:42:46,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:46,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1831025271, now seen corresponding path program 1 times [2023-11-26 10:42:46,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:46,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820292756] [2023-11-26 10:42:46,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:46,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:47,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:42:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:47,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:42:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:47,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 10:42:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:47,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 10:42:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:47,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:42:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:47,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:42:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:47,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 10:42:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:47,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-26 10:42:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:47,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 10:42:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:47,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 10:42:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:47,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 10:42:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:47,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-26 10:42:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:47,420 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 10:42:47,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:47,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820292756] [2023-11-26 10:42:47,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820292756] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:42:47,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:42:47,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:42:47,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282384212] [2023-11-26 10:42:47,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:42:47,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:42:47,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:47,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:42:47,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:42:47,483 INFO L87 Difference]: Start difference. First operand has 32 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 18 states have internal predecessors, (23), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-26 10:42:47,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:47,531 INFO L93 Difference]: Finished difference Result 61 states and 104 transitions. [2023-11-26 10:42:47,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:42:47,534 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 72 [2023-11-26 10:42:47,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:42:47,544 INFO L225 Difference]: With dead ends: 61 [2023-11-26 10:42:47,544 INFO L226 Difference]: Without dead ends: 30 [2023-11-26 10:42:47,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 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 10:42:47,553 INFO L413 NwaCegarLoop]: 39 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, 39 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 10:42:47,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:42:47,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-11-26 10:42:47,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2023-11-26 10:42:47,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 10:42:47,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 42 transitions. [2023-11-26 10:42:47,609 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 42 transitions. Word has length 72 [2023-11-26 10:42:47,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:42:47,610 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 42 transitions. [2023-11-26 10:42:47,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-26 10:42:47,611 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2023-11-26 10:42:47,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-26 10:42:47,615 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:42:47,616 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:42:47,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:42:47,617 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:42:47,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:47,618 INFO L85 PathProgramCache]: Analyzing trace with hash -183788151, now seen corresponding path program 1 times [2023-11-26 10:42:47,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:47,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071679023] [2023-11-26 10:42:47,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:47,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:49,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:42:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:49,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:42:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:49,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 10:42:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:49,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 10:42:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:49,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:42:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:49,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:42:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:49,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 10:42:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:49,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-26 10:42:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:49,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 10:42:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:49,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 10:42:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:49,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 10:42:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:49,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-26 10:42:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:49,858 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 10:42:49,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:49,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071679023] [2023-11-26 10:42:49,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071679023] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:42:49,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:42:49,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:42:49,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978027339] [2023-11-26 10:42:49,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:42:49,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:42:49,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:49,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:42:49,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:42:49,870 INFO L87 Difference]: Start difference. First operand 30 states and 42 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:42:50,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:50,136 INFO L93 Difference]: Finished difference Result 36 states and 48 transitions. [2023-11-26 10:42:50,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:42:50,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 72 [2023-11-26 10:42:50,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:42:50,151 INFO L225 Difference]: With dead ends: 36 [2023-11-26 10:42:50,152 INFO L226 Difference]: Without dead ends: 34 [2023-11-26 10:42:50,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:42:50,157 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 13 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:42:50,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 102 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:42:50,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-11-26 10:42:50,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2023-11-26 10:42:50,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 10:42:50,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 44 transitions. [2023-11-26 10:42:50,183 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 44 transitions. Word has length 72 [2023-11-26 10:42:50,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:42:50,185 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 44 transitions. [2023-11-26 10:42:50,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:42:50,186 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2023-11-26 10:42:50,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-26 10:42:50,189 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:42:50,190 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:42:50,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:42:50,190 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:42:50,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:50,191 INFO L85 PathProgramCache]: Analyzing trace with hash -183728569, now seen corresponding path program 1 times [2023-11-26 10:42:50,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:50,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865000362] [2023-11-26 10:42:50,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:50,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:51,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:42:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:51,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:42:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:51,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 10:42:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:51,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 10:42:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:51,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:42:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:51,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:42:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:51,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 10:42:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:51,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-26 10:42:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:51,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 10:42:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:51,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 10:42:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:51,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 10:42:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:51,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-26 10:42:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:51,399 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 10:42:51,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:51,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865000362] [2023-11-26 10:42:51,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865000362] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:42:51,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:42:51,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:42:51,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021766983] [2023-11-26 10:42:51,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:42:51,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:42:51,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:51,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:42:51,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:42:51,410 INFO L87 Difference]: Start difference. First operand 32 states and 44 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:42:51,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:51,662 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2023-11-26 10:42:51,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:42:51,664 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 72 [2023-11-26 10:42:51,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:42:51,667 INFO L225 Difference]: With dead ends: 33 [2023-11-26 10:42:51,667 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 10:42:51,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:42:51,675 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 4 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:42:51,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 105 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:42:51,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 10:42:51,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 10:42:51,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:42:51,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 10:42:51,680 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2023-11-26 10:42:51,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:42:51,680 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:42:51,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:42:51,681 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 10:42:51,682 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 10:42:51,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 10:42:51,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:42:51,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 10:42:51,841 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2023-11-26 10:42:51,841 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-26 10:42:51,841 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-26 10:42:51,842 INFO L902 garLoopResultBuilder]: At program point L48(line 48) the Hoare annotation is: true [2023-11-26 10:42:51,842 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-26 10:42:51,842 INFO L902 garLoopResultBuilder]: At program point L48-1(line 48) the Hoare annotation is: true [2023-11-26 10:42:51,842 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 38) no Hoare annotation was computed. [2023-11-26 10:42:51,843 INFO L902 garLoopResultBuilder]: At program point L57(line 57) the Hoare annotation is: true [2023-11-26 10:42:51,843 INFO L902 garLoopResultBuilder]: At program point L57-1(line 57) the Hoare annotation is: true [2023-11-26 10:42:51,844 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-26 10:42:51,844 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2023-11-26 10:42:51,844 INFO L902 garLoopResultBuilder]: At program point L45(line 45) the Hoare annotation is: true [2023-11-26 10:42:51,845 INFO L902 garLoopResultBuilder]: At program point L45-1(line 45) the Hoare annotation is: true [2023-11-26 10:42:51,846 INFO L895 garLoopResultBuilder]: At program point L70-2(lines 70 76) the Hoare annotation is: (let ((.cse1 (= ~var_1_5~0 (* (div ~var_1_5~0 256) 256))) (.cse0 (= (* 256 (div ~var_1_4~0 256)) ~var_1_4~0)) (.cse2 (= ~var_1_3~0 (* 256 (div ~var_1_3~0 256)))) (.cse3 (= (* (div ~var_1_2~0 256) 256) ~var_1_2~0))) (or (and (= ~var_1_1~0 0) (or (and .cse0 (not .cse1)) .cse2 .cse3)) (and (= ~var_1_1~0 1) (or .cse1 (not .cse0)) (not .cse2) (not .cse3)))) [2023-11-26 10:42:51,846 INFO L899 garLoopResultBuilder]: For program point L70-3(lines 70 76) no Hoare annotation was computed. [2023-11-26 10:42:51,846 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 39) no Hoare annotation was computed. [2023-11-26 10:42:51,846 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 10:42:51,847 INFO L899 garLoopResultBuilder]: For program point L58(lines 40 59) no Hoare annotation was computed. [2023-11-26 10:42:51,847 INFO L902 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: true [2023-11-26 10:42:51,847 INFO L902 garLoopResultBuilder]: At program point L54-1(line 54) the Hoare annotation is: true [2023-11-26 10:42:51,847 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2023-11-26 10:42:51,847 INFO L902 garLoopResultBuilder]: At program point L42(line 42) the Hoare annotation is: true [2023-11-26 10:42:51,848 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 10:42:51,848 INFO L902 garLoopResultBuilder]: At program point L42-1(line 42) the Hoare annotation is: true [2023-11-26 10:42:51,848 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2023-11-26 10:42:51,848 INFO L902 garLoopResultBuilder]: At program point L51(line 51) the Hoare annotation is: true [2023-11-26 10:42:51,848 INFO L902 garLoopResultBuilder]: At program point L51-1(line 51) the Hoare annotation is: true [2023-11-26 10:42:51,849 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2023-11-26 10:42:51,849 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-26 10:42:51,849 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-11-26 10:42:51,849 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-11-26 10:42:51,854 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-26 10:42:51,862 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-26 10:42:51,866 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:42:51,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:42:51 BoogieIcfgContainer [2023-11-26 10:42:51,887 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:42:51,889 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:42:51,889 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:42:51,889 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:42:51,891 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:42:46" (3/4) ... [2023-11-26 10:42:51,898 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 10:42:51,903 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-26 10:42:51,913 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-26 10:42:51,913 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-26 10:42:51,914 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 10:42:51,914 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 10:42:52,068 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_511330b9-dd4a-4ad6-8678-e26eeaef760f/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:42:52,068 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_511330b9-dd4a-4ad6-8678-e26eeaef760f/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 10:42:52,069 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:42:52,070 INFO L158 Benchmark]: Toolchain (without parser) took 6410.13ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 100.0MB in the beginning and 158.1MB in the end (delta: -58.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:42:52,077 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 119.5MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:42:52,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.72ms. Allocated memory is still 163.6MB. Free memory was 99.8MB in the beginning and 132.9MB in the end (delta: -33.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 10:42:52,078 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.86ms. Allocated memory is still 163.6MB. Free memory was 132.9MB in the beginning and 130.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:42:52,078 INFO L158 Benchmark]: Boogie Preprocessor took 50.12ms. Allocated memory is still 163.6MB. Free memory was 130.8MB in the beginning and 128.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:42:52,079 INFO L158 Benchmark]: RCFGBuilder took 613.77ms. Allocated memory is still 163.6MB. Free memory was 128.1MB in the beginning and 114.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 10:42:52,079 INFO L158 Benchmark]: TraceAbstraction took 5097.18ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 113.5MB in the beginning and 163.4MB in the end (delta: -49.9MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. [2023-11-26 10:42:52,080 INFO L158 Benchmark]: Witness Printer took 180.36ms. Allocated memory is still 197.1MB. Free memory was 163.4MB in the beginning and 158.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 10:42:52,084 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 119.5MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.72ms. Allocated memory is still 163.6MB. Free memory was 99.8MB in the beginning and 132.9MB in the end (delta: -33.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.86ms. Allocated memory is still 163.6MB. Free memory was 132.9MB in the beginning and 130.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.12ms. Allocated memory is still 163.6MB. Free memory was 130.8MB in the beginning and 128.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 613.77ms. Allocated memory is still 163.6MB. Free memory was 128.1MB in the beginning and 114.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5097.18ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 113.5MB in the beginning and 163.4MB in the end (delta: -49.9MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. * Witness Printer took 180.36ms. Allocated memory is still 197.1MB. Free memory was 163.4MB in the beginning and 158.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 3, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 246 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 135 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 74 IncrementalHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 111 mSDtfsCounter, 74 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 37 PreInvPairs, 51 NumberOfFragments, 85 HoareAnnotationTreeSize, 37 FomulaSimplifications, 278 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 103 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 216 NumberOfCodeBlocks, 216 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 599 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 792/792 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (((var_1_1 == 0) && (((((256 * (var_1_4 / 256)) == var_1_4) && !((var_1_5 == ((var_1_5 / 256) * 256)))) || (var_1_3 == (256 * (var_1_3 / 256)))) || (((var_1_2 / 256) * 256) == var_1_2))) || ((((var_1_1 == 1) && ((var_1_5 == ((var_1_5 / 256) * 256)) || !(((256 * (var_1_4 / 256)) == var_1_4)))) && !((var_1_3 == (256 * (var_1_3 / 256))))) && !((((var_1_2 / 256) * 256) == var_1_2)))) RESULT: Ultimate proved your program to be correct! [2023-11-26 10:42:52,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_511330b9-dd4a-4ad6-8678-e26eeaef760f/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 Writing output log to file Ultimate.log Result: TRUE