./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-48.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU --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 45a08fcee4ca717bf2d75cca462db1a8e3270cd7b26ded37876e062399a1dff7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:58:28,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:58:28,697 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 21:58:28,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:58:28,711 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:58:28,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:58:28,767 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:58:28,772 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:58:28,773 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:58:28,773 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:58:28,773 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:58:28,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:58:28,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:58:28,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:58:28,779 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:58:28,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:58:28,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:58:28,784 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:58:28,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:58:28,784 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:58:28,785 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:58:28,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:58:28,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:58:28,800 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:58:28,800 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:58:28,802 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:58:28,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:58:28,803 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:58:28,804 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:58:28,804 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:58:28,809 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:58:28,809 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:58:28,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:28,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:58:28,810 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:58:28,810 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:58:28,810 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:58:28,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:58:28,811 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:58:28,811 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:58:28,811 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:58:28,812 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:58:28,812 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_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45a08fcee4ca717bf2d75cca462db1a8e3270cd7b26ded37876e062399a1dff7 [2024-10-31 21:58:29,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:58:29,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:58:29,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:58:29,279 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:58:29,279 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:58:29,281 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-48.i Unable to find full path for "g++" [2024-10-31 21:58:31,505 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:58:31,733 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:58:31,734 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-48.i [2024-10-31 21:58:31,748 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/data/29668d6f2/508201cb65da408fbaffe2a2f718ebc9/FLAG970f8952b [2024-10-31 21:58:32,089 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/data/29668d6f2/508201cb65da408fbaffe2a2f718ebc9 [2024-10-31 21:58:32,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:58:32,094 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:58:32,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:32,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:58:32,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:58:32,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:32" (1/1) ... [2024-10-31 21:58:32,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bbce212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:32, skipping insertion in model container [2024-10-31 21:58:32,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:32" (1/1) ... [2024-10-31 21:58:32,151 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:58:32,381 WARN L251 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_e485e84a-4c91-4183-b504-dcff3ebe7500/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-48.i[915,928] [2024-10-31 21:58:32,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:32,470 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:58:32,481 WARN L251 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_e485e84a-4c91-4183-b504-dcff3ebe7500/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-48.i[915,928] [2024-10-31 21:58:32,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:32,545 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:58:32,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:32 WrapperNode [2024-10-31 21:58:32,545 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:32,547 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:32,547 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:58:32,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:58:32,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:32" (1/1) ... [2024-10-31 21:58:32,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:32" (1/1) ... [2024-10-31 21:58:32,638 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2024-10-31 21:58:32,639 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:32,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:58:32,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:58:32,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:58:32,652 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:32" (1/1) ... [2024-10-31 21:58:32,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:32" (1/1) ... [2024-10-31 21:58:32,656 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:32" (1/1) ... [2024-10-31 21:58:32,683 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]. [2024-10-31 21:58:32,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:32" (1/1) ... [2024-10-31 21:58:32,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:32" (1/1) ... [2024-10-31 21:58:32,694 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:32" (1/1) ... [2024-10-31 21:58:32,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:32" (1/1) ... [2024-10-31 21:58:32,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:32" (1/1) ... [2024-10-31 21:58:32,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:32" (1/1) ... [2024-10-31 21:58:32,719 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:58:32,720 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:58:32,720 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:58:32,721 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:58:32,721 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:32" (1/1) ... [2024-10-31 21:58:32,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:32,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:32,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:32,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:58:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:58:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 21:58:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 21:58:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:58:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:58:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:58:32,905 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:58:32,907 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:58:33,282 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-31 21:58:33,283 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:58:33,298 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:58:33,298 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 21:58:33,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:33 BoogieIcfgContainer [2024-10-31 21:58:33,298 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:58:33,301 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:58:33,301 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:58:33,304 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:58:33,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:58:32" (1/3) ... [2024-10-31 21:58:33,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17805229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:58:33, skipping insertion in model container [2024-10-31 21:58:33,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:32" (2/3) ... [2024-10-31 21:58:33,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17805229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:58:33, skipping insertion in model container [2024-10-31 21:58:33,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:33" (3/3) ... [2024-10-31 21:58:33,309 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-48.i [2024-10-31 21:58:33,329 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:58:33,329 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 21:58:33,406 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:58:33,413 INFO L333 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, 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;@285e8570, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:58:33,413 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 21:58:33,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-31 21:58:33,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-31 21:58:33,437 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:33,437 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:33,438 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:58:33,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:33,446 INFO L85 PathProgramCache]: Analyzing trace with hash 574216381, now seen corresponding path program 1 times [2024-10-31 21:58:33,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:33,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989585911] [2024-10-31 21:58:33,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:33,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:33,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 21:58:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:33,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 21:58:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:33,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 21:58:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:33,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-31 21:58:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:33,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 21:58:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:33,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 21:58:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:33,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-31 21:58:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:33,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-31 21:58:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-31 21:58:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-31 21:58:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-31 21:58:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-31 21:58:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-31 21:58:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-31 21:58:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-31 21:58:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 21:58:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 21:58:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 21:58:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-31 21:58:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-31 21:58:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,112 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-31 21:58:34,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:34,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989585911] [2024-10-31 21:58:34,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989585911] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:34,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:34,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:58:34,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524487623] [2024-10-31 21:58:34,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:34,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 21:58:34,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:34,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 21:58:34,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:58:34,160 INFO L87 Difference]: Start difference. First operand has 65 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-31 21:58:34,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:34,207 INFO L93 Difference]: Finished difference Result 122 states and 210 transitions. [2024-10-31 21:58:34,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 21:58:34,210 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 129 [2024-10-31 21:58:34,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:34,223 INFO L225 Difference]: With dead ends: 122 [2024-10-31 21:58:34,223 INFO L226 Difference]: Without dead ends: 60 [2024-10-31 21:58:34,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:58:34,234 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:34,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:58:34,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-10-31 21:58:34,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-10-31 21:58:34,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-31 21:58:34,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 89 transitions. [2024-10-31 21:58:34,290 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 89 transitions. Word has length 129 [2024-10-31 21:58:34,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:34,291 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 89 transitions. [2024-10-31 21:58:34,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-31 21:58:34,292 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2024-10-31 21:58:34,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-31 21:58:34,296 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:34,296 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:34,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:58:34,297 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:58:34,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:34,298 INFO L85 PathProgramCache]: Analyzing trace with hash 995156933, now seen corresponding path program 1 times [2024-10-31 21:58:34,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:34,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506239969] [2024-10-31 21:58:34,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:34,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 21:58:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 21:58:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 21:58:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-31 21:58:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 21:58:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 21:58:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-31 21:58:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-31 21:58:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-31 21:58:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-31 21:58:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-31 21:58:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-31 21:58:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-31 21:58:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-31 21:58:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-31 21:58:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 21:58:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 21:58:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 21:58:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-31 21:58:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-31 21:58:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:34,701 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-31 21:58:34,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:34,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506239969] [2024-10-31 21:58:34,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506239969] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:34,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:34,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:58:34,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445357365] [2024-10-31 21:58:34,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:34,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:58:34,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:34,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:58:34,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:58:34,711 INFO L87 Difference]: Start difference. First operand 60 states and 89 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-31 21:58:34,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:34,788 INFO L93 Difference]: Finished difference Result 135 states and 201 transitions. [2024-10-31 21:58:34,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:58:34,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 129 [2024-10-31 21:58:34,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:34,791 INFO L225 Difference]: With dead ends: 135 [2024-10-31 21:58:34,791 INFO L226 Difference]: Without dead ends: 78 [2024-10-31 21:58:34,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:58:34,793 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 18 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:34,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 167 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:58:34,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-10-31 21:58:34,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 67. [2024-10-31 21:58:34,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 45 states have internal predecessors, (59), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-31 21:58:34,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 99 transitions. [2024-10-31 21:58:34,806 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 99 transitions. Word has length 129 [2024-10-31 21:58:34,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:34,808 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 99 transitions. [2024-10-31 21:58:34,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-31 21:58:34,809 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 99 transitions. [2024-10-31 21:58:34,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-31 21:58:34,812 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:34,812 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:34,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 21:58:34,812 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:58:34,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:34,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1052415235, now seen corresponding path program 1 times [2024-10-31 21:58:34,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:34,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080750099] [2024-10-31 21:58:34,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:34,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:35,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 21:58:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:35,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 21:58:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:35,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 21:58:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:35,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-31 21:58:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:35,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 21:58:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:35,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 21:58:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:35,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-31 21:58:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:35,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-31 21:58:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:35,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-31 21:58:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:35,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-31 21:58:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:35,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-31 21:58:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:35,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-31 21:58:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:35,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-31 21:58:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:35,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-31 21:58:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:35,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-31 21:58:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:35,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 21:58:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:35,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 21:58:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:35,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 21:58:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:35,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-31 21:58:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:35,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-31 21:58:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:35,280 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-10-31 21:58:35,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:35,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080750099] [2024-10-31 21:58:35,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080750099] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:35,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:35,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:58:35,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990229348] [2024-10-31 21:58:35,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:35,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:58:35,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:35,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:58:35,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:58:35,284 INFO L87 Difference]: Start difference. First operand 67 states and 99 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-31 21:58:35,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:58:35,358 INFO L93 Difference]: Finished difference Result 195 states and 291 transitions. [2024-10-31 21:58:35,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:58:35,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 129 [2024-10-31 21:58:35,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:58:35,365 INFO L225 Difference]: With dead ends: 195 [2024-10-31 21:58:35,365 INFO L226 Difference]: Without dead ends: 131 [2024-10-31 21:58:35,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:58:35,371 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 42 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:58:35,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 166 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:58:35,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-10-31 21:58:35,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129. [2024-10-31 21:58:35,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 86 states have (on average 1.302325581395349) internal successors, (112), 86 states have internal predecessors, (112), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-31 21:58:35,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 192 transitions. [2024-10-31 21:58:35,412 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 192 transitions. Word has length 129 [2024-10-31 21:58:35,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:58:35,413 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 192 transitions. [2024-10-31 21:58:35,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-10-31 21:58:35,416 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 192 transitions. [2024-10-31 21:58:35,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-10-31 21:58:35,418 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:58:35,422 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:35,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 21:58:35,422 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:58:35,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:35,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1679517222, now seen corresponding path program 1 times [2024-10-31 21:58:35,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:35,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313132037] [2024-10-31 21:58:35,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:35,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:35,628 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:58:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:58:35,771 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:58:35,771 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 21:58:35,773 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 21:58:35,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 21:58:35,778 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-31 21:58:35,896 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 21:58:35,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 09:58:35 BoogieIcfgContainer [2024-10-31 21:58:35,902 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 21:58:35,903 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 21:58:35,903 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 21:58:35,904 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 21:58:35,904 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:33" (3/4) ... [2024-10-31 21:58:35,907 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 21:58:35,907 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 21:58:35,908 INFO L158 Benchmark]: Toolchain (without parser) took 3813.85ms. Allocated memory is still 153.1MB. Free memory was 118.2MB in the beginning and 59.5MB in the end (delta: 58.7MB). Peak memory consumption was 60.6MB. Max. memory is 16.1GB. [2024-10-31 21:58:35,908 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:58:35,909 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.92ms. Allocated memory is still 153.1MB. Free memory was 117.7MB in the beginning and 101.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-31 21:58:35,910 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.56ms. Allocated memory is still 153.1MB. Free memory was 101.8MB in the beginning and 98.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:58:35,914 INFO L158 Benchmark]: Boogie Preprocessor took 80.20ms. Allocated memory is still 153.1MB. Free memory was 98.4MB in the beginning and 93.4MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 21:58:35,915 INFO L158 Benchmark]: RCFGBuilder took 578.28ms. Allocated memory is still 153.1MB. Free memory was 93.4MB in the beginning and 117.3MB in the end (delta: -23.8MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2024-10-31 21:58:35,915 INFO L158 Benchmark]: TraceAbstraction took 2601.80ms. Allocated memory is still 153.1MB. Free memory was 116.6MB in the beginning and 59.5MB in the end (delta: 57.1MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. [2024-10-31 21:58:35,916 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 153.1MB. Free memory is still 59.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:58:35,918 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.92ms. Allocated memory is still 153.1MB. Free memory was 117.7MB in the beginning and 101.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.56ms. Allocated memory is still 153.1MB. Free memory was 101.8MB in the beginning and 98.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.20ms. Allocated memory is still 153.1MB. Free memory was 98.4MB in the beginning and 93.4MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 578.28ms. Allocated memory is still 153.1MB. Free memory was 93.4MB in the beginning and 117.3MB in the end (delta: -23.8MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2601.80ms. Allocated memory is still 153.1MB. Free memory was 116.6MB in the beginning and 59.5MB in the end (delta: 57.1MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 153.1MB. Free memory is still 59.5MB. 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 someBinaryDOUBLEComparisonOperation at line 137. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 10; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 0.0; [L25] double var_1_4 = 128.2; [L26] double var_1_5 = 50.1; [L27] double var_1_6 = 64.5; [L28] unsigned short int var_1_7 = 1; [L29] unsigned char var_1_8 = 5; [L30] double var_1_9 = 15.35; [L31] unsigned char var_1_10 = 10; [L32] unsigned char var_1_11 = 2; [L33] signed long int var_1_12 = 32; [L34] signed long int var_1_13 = 256; [L35] signed char var_1_14 = 1; [L36] unsigned char var_1_15 = 128; [L37] unsigned char var_1_16 = 0; [L38] signed char var_1_17 = -64; [L39] unsigned short int var_1_18 = 64; [L40] unsigned char last_1_var_1_8 = 5; [L41] unsigned short int last_1_var_1_18 = 64; VAL [isInitial=0, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L141] isInitial = 1 [L142] FCALL initially() [L143] COND TRUE 1 [L144] CALL updateLastVariables() [L133] last_1_var_1_8 = var_1_8 [L134] last_1_var_1_18 = var_1_18 VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=1, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L144] RET updateLastVariables() [L145] CALL updateVariables() [L99] var_1_2 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L100] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L101] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L101] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_3=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L102] var_1_3 = __VERIFIER_nondet_double() [L103] CALL assume_abort_if_not((var_1_3 >= 4611686.018427387900e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L103] RET assume_abort_if_not((var_1_3 >= 4611686.018427387900e+12F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_4=641/5, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L104] var_1_4 = __VERIFIER_nondet_double() [L105] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427387900e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L105] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427387900e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_5=501/10, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L106] var_1_5 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L107] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_6=129/2, var_1_7=1, var_1_8=5, var_1_9=307/20] [L108] var_1_6 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=1, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=1, var_1_8=5, var_1_9=307/20] [L109] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=1, var_1_8=5, var_1_9=307/20] [L110] var_1_7 = __VERIFIER_nondet_ushort() [L111] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_8=5, var_1_9=307/20] [L111] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_8=5, var_1_9=307/20] [L112] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5, var_1_9=307/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5, var_1_9=307/20] [L112] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5, var_1_9=307/20] [L113] var_1_9 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L114] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L115] CALL assume_abort_if_not(var_1_9 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L115] RET assume_abort_if_not(var_1_9 != 0.0F) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=10, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L116] var_1_10 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L117] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L118] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L118] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=2, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L119] var_1_11 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L120] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L121] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L121] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=128, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L122] var_1_15 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_15 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L123] RET assume_abort_if_not(var_1_15 >= 127) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L124] CALL assume_abort_if_not(var_1_15 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L124] RET assume_abort_if_not(var_1_15 <= 255) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=0, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L125] var_1_16 = __VERIFIER_nondet_uchar() [L126] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L126] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L127] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=64, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=64, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L127] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=64, var_1_17=-64, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L128] var_1_17 = __VERIFIER_nondet_char() [L129] CALL assume_abort_if_not(var_1_17 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=64, var_1_17=126, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=64, var_1_17=126, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L129] RET assume_abort_if_not(var_1_17 >= -126) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=64, var_1_17=126, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L130] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=64, var_1_17=126, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=64, var_1_17=126, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L130] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=32, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=64, var_1_17=126, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L145] RET updateVariables() [L146] CALL step() [L45] COND FALSE !(\read(var_1_2)) [L54] var_1_12 = last_1_var_1_18 VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=64, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=64, var_1_17=126, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L56] signed long int stepLocal_1 = ((((var_1_15 - var_1_16)) > (var_1_12)) ? ((var_1_15 - var_1_16)) : (var_1_12)); VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, stepLocal_1=65, var_1_10=65, var_1_11=254, var_1_12=64, var_1_13=256, var_1_14=1, var_1_15=129, var_1_16=64, var_1_17=126, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L57] COND TRUE var_1_10 == stepLocal_1 [L58] var_1_14 = ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=64, var_1_13=256, var_1_14=126, var_1_15=129, var_1_16=64, var_1_17=126, var_1_18=64, var_1_1=10, var_1_2=0, var_1_7=0, var_1_8=5] [L62] COND FALSE !(\read(var_1_2)) [L69] var_1_1 = 1 VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=64, var_1_13=256, var_1_14=126, var_1_15=129, var_1_16=64, var_1_17=126, var_1_18=64, var_1_1=1, var_1_2=0, var_1_7=0, var_1_8=5] [L71] unsigned short int stepLocal_0 = var_1_1; VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, stepLocal_0=1, var_1_10=65, var_1_11=254, var_1_12=64, var_1_13=256, var_1_14=126, var_1_15=129, var_1_16=64, var_1_17=126, var_1_18=64, var_1_1=1, var_1_2=0, var_1_7=0, var_1_8=5] [L72] COND TRUE var_1_6 > (var_1_5 / ((((var_1_3) > (var_1_9)) ? (var_1_3) : (var_1_9)))) [L73] var_1_8 = ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, stepLocal_0=1, var_1_10=65, var_1_11=254, var_1_12=64, var_1_13=256, var_1_14=126, var_1_15=129, var_1_16=64, var_1_17=126, var_1_18=64, var_1_1=1, var_1_2=0, var_1_7=0, var_1_8=65] [L81] COND FALSE !(\read(var_1_2)) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, stepLocal_0=1, var_1_10=65, var_1_11=254, var_1_12=64, var_1_13=256, var_1_14=126, var_1_15=129, var_1_16=64, var_1_17=126, var_1_18=64, var_1_1=1, var_1_2=0, var_1_7=0, var_1_8=65] [L84] COND FALSE !(var_1_8 == var_1_13) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, stepLocal_0=1, var_1_10=65, var_1_11=254, var_1_12=64, var_1_13=256, var_1_14=126, var_1_15=129, var_1_16=64, var_1_17=126, var_1_18=64, var_1_1=1, var_1_2=0, var_1_7=0, var_1_8=65] [L87] COND FALSE !(last_1_var_1_18 != var_1_16) [L94] var_1_18 = var_1_10 VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, stepLocal_0=1, var_1_10=65, var_1_11=254, var_1_12=64, var_1_13=256, var_1_14=126, var_1_15=129, var_1_16=64, var_1_17=126, var_1_18=65, var_1_1=1, var_1_2=0, var_1_7=0, var_1_8=65] [L146] RET step() [L147] CALL, EXPR property() [L137-L138] return (((((var_1_2 ? ((((var_1_3 - var_1_4) - var_1_5) == (15.75 - var_1_6)) ? (var_1_1 == ((unsigned short int) (5 + last_1_var_1_8))) : (var_1_1 == ((unsigned short int) last_1_var_1_8))) : (var_1_1 == ((unsigned short int) 1))) && ((var_1_6 > (var_1_5 / ((((var_1_3) > (var_1_9)) ? (var_1_3) : (var_1_9))))) ? (var_1_8 == ((unsigned char) ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))))) : ((var_1_1 <= var_1_7) ? (var_1_8 == ((unsigned char) var_1_10)) : (var_1_8 == ((unsigned char) var_1_11))))) && (var_1_2 ? ((-128 > var_1_10) ? ((var_1_3 >= (2.75 / var_1_9)) ? (var_1_12 == ((signed long int) (var_1_11 + (last_1_var_1_18 + var_1_10)))) : (var_1_12 == ((signed long int) last_1_var_1_18))) : 1) : (var_1_12 == ((signed long int) last_1_var_1_18)))) && (var_1_2 ? (var_1_13 == ((signed long int) var_1_11)) : 1)) && ((var_1_10 == (((((var_1_15 - var_1_16)) > (var_1_12)) ? ((var_1_15 - var_1_16)) : (var_1_12)))) ? (var_1_14 == ((signed char) ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) : (var_1_14 == ((signed char) var_1_17)))) && ((var_1_8 == var_1_13) ? (var_1_18 == ((unsigned short int) (var_1_10 + ((((var_1_14) < (var_1_16)) ? (var_1_14) : (var_1_16)))))) : ((last_1_var_1_18 != var_1_16) ? ((-256 >= var_1_13) ? (var_1_18 == ((unsigned short int) var_1_16)) : (var_1_18 == ((unsigned short int) var_1_15))) : (var_1_18 == ((unsigned short int) var_1_10)))) ; VAL [\result=0, isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=64, var_1_13=256, var_1_14=126, var_1_15=129, var_1_16=64, var_1_17=126, var_1_18=65, var_1_1=1, var_1_2=0, var_1_7=0, var_1_8=65] [L147] RET, EXPR property() [L147] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=64, var_1_13=256, var_1_14=126, var_1_15=129, var_1_16=64, var_1_17=126, var_1_18=65, var_1_1=1, var_1_2=0, var_1_7=0, var_1_8=65] [L19] reach_error() VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_8=5, var_1_10=65, var_1_11=254, var_1_12=64, var_1_13=256, var_1_14=126, var_1_15=129, var_1_16=64, var_1_17=126, var_1_18=65, var_1_1=1, var_1_2=0, var_1_7=0, var_1_8=65] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 60 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 422 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 159 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 263 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=3, InterpolantAutomatonStates: 8, 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, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 517 NumberOfCodeBlocks, 517 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 384 ConstructedInterpolants, 0 QuantifiedInterpolants, 496 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2280/2280 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 [2024-10-31 21:58:35,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU --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 45a08fcee4ca717bf2d75cca462db1a8e3270cd7b26ded37876e062399a1dff7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:58:38,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:58:38,548 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 21:58:38,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:58:38,555 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:58:38,594 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:58:38,595 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:58:38,596 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:58:38,597 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:58:38,598 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:58:38,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:58:38,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:58:38,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:58:38,601 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:58:38,603 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:58:38,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:58:38,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:58:38,605 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:58:38,605 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:58:38,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:58:38,610 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:58:38,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:58:38,611 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:58:38,611 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 21:58:38,612 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 21:58:38,612 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:58:38,612 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 21:58:38,613 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:58:38,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:58:38,614 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:58:38,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:58:38,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:58:38,615 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:58:38,615 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:58:38,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:38,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:58:38,618 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:58:38,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:58:38,618 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 21:58:38,619 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 21:58:38,619 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:58:38,619 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:58:38,620 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:58:38,620 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:58:38,620 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 21:58:38,621 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_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45a08fcee4ca717bf2d75cca462db1a8e3270cd7b26ded37876e062399a1dff7 [2024-10-31 21:58:39,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:58:39,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:58:39,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:58:39,177 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:58:39,177 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:58:39,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-48.i Unable to find full path for "g++" [2024-10-31 21:58:41,403 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:58:41,615 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:58:41,616 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-48.i [2024-10-31 21:58:41,626 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/data/a6bc2e928/3ce729cfb92c442c917a50c9eb3fa488/FLAGbfb6b3230 [2024-10-31 21:58:41,641 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/data/a6bc2e928/3ce729cfb92c442c917a50c9eb3fa488 [2024-10-31 21:58:41,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:58:41,645 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:58:41,647 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:41,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:58:41,653 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:58:41,654 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:41" (1/1) ... [2024-10-31 21:58:41,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@431a9c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:41, skipping insertion in model container [2024-10-31 21:58:41,656 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:41" (1/1) ... [2024-10-31 21:58:41,712 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:58:41,938 WARN L251 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_e485e84a-4c91-4183-b504-dcff3ebe7500/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-48.i[915,928] [2024-10-31 21:58:42,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:42,016 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:58:42,037 WARN L251 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_e485e84a-4c91-4183-b504-dcff3ebe7500/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-48.i[915,928] [2024-10-31 21:58:42,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:42,129 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:58:42,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:42 WrapperNode [2024-10-31 21:58:42,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:42,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:42,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:58:42,132 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:58:42,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:42" (1/1) ... [2024-10-31 21:58:42,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:42" (1/1) ... [2024-10-31 21:58:42,205 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2024-10-31 21:58:42,206 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:42,206 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:58:42,207 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:58:42,207 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:58:42,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:42" (1/1) ... [2024-10-31 21:58:42,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:42" (1/1) ... [2024-10-31 21:58:42,231 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:42" (1/1) ... [2024-10-31 21:58:42,250 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]. [2024-10-31 21:58:42,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:42" (1/1) ... [2024-10-31 21:58:42,251 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:42" (1/1) ... [2024-10-31 21:58:42,267 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:42" (1/1) ... [2024-10-31 21:58:42,274 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:42" (1/1) ... [2024-10-31 21:58:42,276 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:42" (1/1) ... [2024-10-31 21:58:42,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:42" (1/1) ... [2024-10-31 21:58:42,288 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:58:42,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:58:42,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:58:42,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:58:42,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:42" (1/1) ... [2024-10-31 21:58:42,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:42,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:42,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:42,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:58:42,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:58:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 21:58:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 21:58:42,373 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 21:58:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:58:42,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:58:42,496 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:58:42,499 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:59:06,174 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-31 21:59:06,175 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:59:06,194 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:59:06,195 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 21:59:06,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:06 BoogieIcfgContainer [2024-10-31 21:59:06,196 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:59:06,199 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:59:06,201 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:59:06,205 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:59:06,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:58:41" (1/3) ... [2024-10-31 21:59:06,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48bb4d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:59:06, skipping insertion in model container [2024-10-31 21:59:06,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:42" (2/3) ... [2024-10-31 21:59:06,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48bb4d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:59:06, skipping insertion in model container [2024-10-31 21:59:06,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:06" (3/3) ... [2024-10-31 21:59:06,209 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-48.i [2024-10-31 21:59:06,227 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:59:06,228 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 21:59:06,294 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:59:06,301 INFO L333 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, 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;@462dac2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:59:06,301 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 21:59:06,310 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-31 21:59:06,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-31 21:59:06,330 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:06,330 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:06,331 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:59:06,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:06,338 INFO L85 PathProgramCache]: Analyzing trace with hash 574216381, now seen corresponding path program 1 times [2024-10-31 21:59:06,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:59:06,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [40216974] [2024-10-31 21:59:06,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:06,362 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 [2024-10-31 21:59:06,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:59:06,369 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 21:59:06,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:59:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:08,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 21:59:08,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:08,390 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2024-10-31 21:59:08,392 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:59:08,393 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:59:08,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [40216974] [2024-10-31 21:59:08,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [40216974] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:08,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:08,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:59:08,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630084274] [2024-10-31 21:59:08,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:08,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 21:59:08,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:59:08,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 21:59:08,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:59:08,432 INFO L87 Difference]: Start difference. First operand has 65 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-31 21:59:08,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:08,461 INFO L93 Difference]: Finished difference Result 122 states and 210 transitions. [2024-10-31 21:59:08,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 21:59:08,464 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 129 [2024-10-31 21:59:08,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:08,475 INFO L225 Difference]: With dead ends: 122 [2024-10-31 21:59:08,475 INFO L226 Difference]: Without dead ends: 60 [2024-10-31 21:59:08,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:59:08,482 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:08,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:59:08,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-10-31 21:59:08,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-10-31 21:59:08,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-31 21:59:08,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 89 transitions. [2024-10-31 21:59:08,550 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 89 transitions. Word has length 129 [2024-10-31 21:59:08,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:08,550 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 89 transitions. [2024-10-31 21:59:08,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-31 21:59:08,552 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2024-10-31 21:59:08,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-31 21:59:08,556 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:08,556 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:08,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/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)] Ended with exit code 0 [2024-10-31 21:59:08,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:59:08,758 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:59:08,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:08,760 INFO L85 PathProgramCache]: Analyzing trace with hash 995156933, now seen corresponding path program 1 times [2024-10-31 21:59:08,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:59:08,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [650569463] [2024-10-31 21:59:08,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:08,764 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 [2024-10-31 21:59:08,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:59:08,771 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 21:59:08,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e485e84a-4c91-4183-b504-dcff3ebe7500/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:59:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:10,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 21:59:10,703 INFO L278 TraceCheckSpWp]: Computing forward predicates...