./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5c6d968f3bfd626cfd1fff51fa64657ab37ae457da61332877d0ea5ab7fc90f2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:00:48,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:00:48,229 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 08:00:48,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:00:48,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:00:48,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:00:48,269 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:00:48,270 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:00:48,271 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:00:48,271 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:00:48,273 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:00:48,273 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:00:48,274 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:00:48,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:00:48,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:00:48,276 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:00:48,277 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:00:48,278 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:00:48,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:00:48,280 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:00:48,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:00:48,281 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:00:48,282 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 08:00:48,283 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:00:48,284 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:00:48,284 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:00:48,285 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:00:48,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:00:48,286 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:00:48,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:00:48,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:48,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:00:48,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:00:48,290 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:00:48,290 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:00:48,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:00:48,291 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:00:48,292 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:00:48,293 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:00:48,293 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:00:48,294 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:00:48,294 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_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c6d968f3bfd626cfd1fff51fa64657ab37ae457da61332877d0ea5ab7fc90f2 [2023-11-19 08:00:48,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:00:48,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:00:48,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:00:48,603 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:00:48,603 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:00:48,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.ufo.BOUNDED-10.pals.c [2023-11-19 08:00:51,882 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:00:52,267 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:00:52,270 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.ufo.BOUNDED-10.pals.c [2023-11-19 08:00:52,294 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/data/4c7820c52/79dc2507bffa4ab8acb06ca54a11bfdb/FLAGc50823a87 [2023-11-19 08:00:52,314 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/data/4c7820c52/79dc2507bffa4ab8acb06ca54a11bfdb [2023-11-19 08:00:52,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:00:52,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:00:52,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:52,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:00:52,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:00:52,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:52" (1/1) ... [2023-11-19 08:00:52,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f58587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:52, skipping insertion in model container [2023-11-19 08:00:52,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:52" (1/1) ... [2023-11-19 08:00:52,414 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:00:52,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:00:52,779 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:00:52,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:00:52,936 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:00:52,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:52 WrapperNode [2023-11-19 08:00:52,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:52,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:00:52,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:00:52,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:00:52,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:52" (1/1) ... [2023-11-19 08:00:52,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:52" (1/1) ... [2023-11-19 08:00:53,080 INFO L138 Inliner]: procedures = 32, calls = 49, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 508 [2023-11-19 08:00:53,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:00:53,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:00:53,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:00:53,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:00:53,096 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:52" (1/1) ... [2023-11-19 08:00:53,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:52" (1/1) ... [2023-11-19 08:00:53,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:52" (1/1) ... [2023-11-19 08:00:53,108 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:52" (1/1) ... [2023-11-19 08:00:53,133 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:52" (1/1) ... [2023-11-19 08:00:53,153 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:52" (1/1) ... [2023-11-19 08:00:53,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:52" (1/1) ... [2023-11-19 08:00:53,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:52" (1/1) ... [2023-11-19 08:00:53,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:00:53,172 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:00:53,172 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:00:53,172 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:00:53,173 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:52" (1/1) ... [2023-11-19 08:00:53,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:53,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:53,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:00:53,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:00:53,319 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2023-11-19 08:00:53,319 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2023-11-19 08:00:53,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:00:53,319 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2023-11-19 08:00:53,320 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2023-11-19 08:00:53,320 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-11-19 08:00:53,321 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-11-19 08:00:53,321 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2023-11-19 08:00:53,321 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2023-11-19 08:00:53,340 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:00:53,340 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:00:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:00:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2023-11-19 08:00:53,341 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2023-11-19 08:00:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:00:53,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:00:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2023-11-19 08:00:53,345 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2023-11-19 08:00:53,537 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:00:53,539 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:00:54,303 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:00:54,318 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:00:54,319 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:00:54,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:54 BoogieIcfgContainer [2023-11-19 08:00:54,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:00:54,339 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:00:54,339 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:00:54,343 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:00:54,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:00:52" (1/3) ... [2023-11-19 08:00:54,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c4b20a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:54, skipping insertion in model container [2023-11-19 08:00:54,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:52" (2/3) ... [2023-11-19 08:00:54,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c4b20a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:54, skipping insertion in model container [2023-11-19 08:00:54,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:54" (3/3) ... [2023-11-19 08:00:54,350 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.ufo.BOUNDED-10.pals.c [2023-11-19 08:00:54,373 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:00:54,375 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 08:00:54,476 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:00:54,485 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2a855206, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:00:54,485 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 08:00:54,492 INFO L276 IsEmpty]: Start isEmpty. Operand has 185 states, 144 states have (on average 1.5486111111111112) internal successors, (223), 146 states have internal predecessors, (223), 31 states have call successors, (31), 7 states have call predecessors, (31), 7 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 08:00:54,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 08:00:54,524 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:54,524 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:00:54,525 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 08:00:54,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:54,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1720236815, now seen corresponding path program 1 times [2023-11-19 08:00:54,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:54,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472750713] [2023-11-19 08:00:54,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:54,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:54,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 08:00:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:54,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 08:00:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:54,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-19 08:00:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:54,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-19 08:00:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:54,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-19 08:00:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:54,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 08:00:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:54,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 08:00:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:54,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-19 08:00:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:55,001 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 08:00:55,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:55,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472750713] [2023-11-19 08:00:55,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472750713] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:55,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:55,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:00:55,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044437264] [2023-11-19 08:00:55,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:55,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:00:55,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:55,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:00:55,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:00:55,044 INFO L87 Difference]: Start difference. First operand has 185 states, 144 states have (on average 1.5486111111111112) internal successors, (223), 146 states have internal predecessors, (223), 31 states have call successors, (31), 7 states have call predecessors, (31), 7 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 08:00:55,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:55,095 INFO L93 Difference]: Finished difference Result 353 states and 569 transitions. [2023-11-19 08:00:55,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:00:55,098 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2023-11-19 08:00:55,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:55,109 INFO L225 Difference]: With dead ends: 353 [2023-11-19 08:00:55,109 INFO L226 Difference]: Without dead ends: 179 [2023-11-19 08:00:55,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:00:55,144 INFO L413 NwaCegarLoop]: 281 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, 281 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:55,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:00:55,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-11-19 08:00:55,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2023-11-19 08:00:55,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 139 states have (on average 1.539568345323741) internal successors, (214), 140 states have internal predecessors, (214), 31 states have call successors, (31), 7 states have call predecessors, (31), 7 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 08:00:55,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 276 transitions. [2023-11-19 08:00:55,208 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 276 transitions. Word has length 71 [2023-11-19 08:00:55,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:55,209 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 276 transitions. [2023-11-19 08:00:55,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 08:00:55,209 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 276 transitions. [2023-11-19 08:00:55,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 08:00:55,213 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:55,214 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:00:55,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:00:55,214 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 08:00:55,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:55,215 INFO L85 PathProgramCache]: Analyzing trace with hash -956816523, now seen corresponding path program 1 times [2023-11-19 08:00:55,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:55,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347876922] [2023-11-19 08:00:55,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:55,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:55,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 08:00:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:55,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 08:00:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:55,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-19 08:00:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:55,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-19 08:00:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:55,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-19 08:00:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:55,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 08:00:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:55,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 08:00:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:55,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-19 08:00:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:55,533 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 08:00:55,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:55,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347876922] [2023-11-19 08:00:55,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347876922] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:00:55,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905854293] [2023-11-19 08:00:55,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:55,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:55,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:55,537 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:55,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:00:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:55,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:00:55,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:55,871 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:00:55,872 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:55,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905854293] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:55,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:00:55,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2023-11-19 08:00:55,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635092492] [2023-11-19 08:00:55,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:55,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:00:55,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:55,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:00:55,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-19 08:00:55,877 INFO L87 Difference]: Start difference. First operand 179 states and 276 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-19 08:00:56,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:56,074 INFO L93 Difference]: Finished difference Result 394 states and 598 transitions. [2023-11-19 08:00:56,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:00:56,075 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 71 [2023-11-19 08:00:56,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:56,078 INFO L225 Difference]: With dead ends: 394 [2023-11-19 08:00:56,078 INFO L226 Difference]: Without dead ends: 232 [2023-11-19 08:00:56,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-19 08:00:56,081 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 409 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:56,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 712 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:00:56,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-11-19 08:00:56,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 228. [2023-11-19 08:00:56,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 181 states have (on average 1.5193370165745856) internal successors, (275), 182 states have internal predecessors, (275), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-19 08:00:56,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 345 transitions. [2023-11-19 08:00:56,112 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 345 transitions. Word has length 71 [2023-11-19 08:00:56,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:56,113 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 345 transitions. [2023-11-19 08:00:56,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-19 08:00:56,113 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 345 transitions. [2023-11-19 08:00:56,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 08:00:56,116 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:56,116 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:00:56,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 08:00:56,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-19 08:00:56,332 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 08:00:56,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:56,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1221807773, now seen corresponding path program 1 times [2023-11-19 08:00:56,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:56,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899087682] [2023-11-19 08:00:56,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:56,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 08:00:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 08:00:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-19 08:00:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 08:00:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 08:00:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 08:00:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-19 08:00:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 08:00:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,599 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 08:00:56,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:56,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899087682] [2023-11-19 08:00:56,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899087682] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:00:56,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227648792] [2023-11-19 08:00:56,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:56,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:56,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:56,609 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:56,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 08:00:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:56,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:00:56,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:56,888 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:00:56,888 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:56,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227648792] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:56,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:00:56,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2023-11-19 08:00:56,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292615767] [2023-11-19 08:00:56,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:56,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:00:56,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:56,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:00:56,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-19 08:00:56,893 INFO L87 Difference]: Start difference. First operand 228 states and 345 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-19 08:00:57,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:57,100 INFO L93 Difference]: Finished difference Result 395 states and 598 transitions. [2023-11-19 08:00:57,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:00:57,101 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 72 [2023-11-19 08:00:57,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:57,104 INFO L225 Difference]: With dead ends: 395 [2023-11-19 08:00:57,104 INFO L226 Difference]: Without dead ends: 233 [2023-11-19 08:00:57,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-19 08:00:57,106 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 406 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:57,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 714 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:00:57,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2023-11-19 08:00:57,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 230. [2023-11-19 08:00:57,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 183 states have (on average 1.5136612021857923) internal successors, (277), 184 states have internal predecessors, (277), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-19 08:00:57,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 347 transitions. [2023-11-19 08:00:57,131 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 347 transitions. Word has length 72 [2023-11-19 08:00:57,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:57,132 INFO L495 AbstractCegarLoop]: Abstraction has 230 states and 347 transitions. [2023-11-19 08:00:57,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-19 08:00:57,133 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 347 transitions. [2023-11-19 08:00:57,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 08:00:57,135 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:57,135 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:00:57,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:57,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-19 08:00:57,348 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 08:00:57,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:57,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1559821585, now seen corresponding path program 1 times [2023-11-19 08:00:57,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:57,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600982055] [2023-11-19 08:00:57,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:57,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:57,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 08:00:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:57,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 08:00:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:57,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-19 08:00:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:57,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 08:00:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:57,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-19 08:00:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:57,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-19 08:00:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:57,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-19 08:00:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:57,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 08:00:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:57,632 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 08:00:57,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:57,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600982055] [2023-11-19 08:00:57,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600982055] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:00:57,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569119750] [2023-11-19 08:00:57,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:57,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:57,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:57,638 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:57,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 08:00:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:57,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:00:57,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:57,898 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 08:00:57,898 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:57,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569119750] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:57,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:00:57,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2023-11-19 08:00:57,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330355088] [2023-11-19 08:00:57,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:57,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:00:57,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:57,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:00:57,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:00:57,902 INFO L87 Difference]: Start difference. First operand 230 states and 347 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 08:00:57,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:57,944 INFO L93 Difference]: Finished difference Result 230 states and 347 transitions. [2023-11-19 08:00:57,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:00:57,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 74 [2023-11-19 08:00:57,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:57,948 INFO L225 Difference]: With dead ends: 230 [2023-11-19 08:00:57,948 INFO L226 Difference]: Without dead ends: 229 [2023-11-19 08:00:57,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-19 08:00:57,950 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 112 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:57,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 647 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:00:57,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2023-11-19 08:00:57,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2023-11-19 08:00:57,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 183 states have (on average 1.5081967213114753) internal successors, (276), 183 states have internal predecessors, (276), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-19 08:00:57,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 346 transitions. [2023-11-19 08:00:57,977 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 346 transitions. Word has length 74 [2023-11-19 08:00:57,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:57,978 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 346 transitions. [2023-11-19 08:00:57,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 08:00:57,979 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 346 transitions. [2023-11-19 08:00:57,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 08:00:57,981 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:57,981 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:00:58,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:58,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:58,201 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 08:00:58,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:58,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1109828355, now seen corresponding path program 1 times [2023-11-19 08:00:58,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:58,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527633452] [2023-11-19 08:00:58,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:58,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:58,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 08:00:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:58,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 08:00:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:58,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-19 08:00:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:58,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 08:00:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:58,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-19 08:00:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:58,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-19 08:00:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:58,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-19 08:00:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:58,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 08:00:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:58,400 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 08:00:58,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:58,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527633452] [2023-11-19 08:00:58,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527633452] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:00:58,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612721070] [2023-11-19 08:00:58,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:58,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:58,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:58,404 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:58,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 08:00:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:58,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:00:58,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:58,659 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 08:00:58,660 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:58,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612721070] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:58,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:00:58,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2023-11-19 08:00:58,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735919190] [2023-11-19 08:00:58,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:58,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:00:58,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:58,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:00:58,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:00:58,663 INFO L87 Difference]: Start difference. First operand 229 states and 346 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 08:00:58,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:58,731 INFO L93 Difference]: Finished difference Result 310 states and 478 transitions. [2023-11-19 08:00:58,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:00:58,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 75 [2023-11-19 08:00:58,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:58,738 INFO L225 Difference]: With dead ends: 310 [2023-11-19 08:00:58,739 INFO L226 Difference]: Without dead ends: 309 [2023-11-19 08:00:58,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-19 08:00:58,740 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 103 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:58,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 809 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:00:58,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2023-11-19 08:00:58,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2023-11-19 08:00:58,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 240 states have (on average 1.5041666666666667) internal successors, (361), 240 states have internal predecessors, (361), 58 states have call successors, (58), 10 states have call predecessors, (58), 10 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-19 08:00:58,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 477 transitions. [2023-11-19 08:00:58,766 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 477 transitions. Word has length 75 [2023-11-19 08:00:58,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:58,767 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 477 transitions. [2023-11-19 08:00:58,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 08:00:58,767 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 477 transitions. [2023-11-19 08:00:58,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-19 08:00:58,771 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:58,771 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:00:58,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:58,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:58,992 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 08:00:58,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:58,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1091561665, now seen corresponding path program 1 times [2023-11-19 08:00:58,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:58,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459898911] [2023-11-19 08:00:58,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:58,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:59,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 08:00:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:59,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 08:00:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:59,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-19 08:00:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:59,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 08:00:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:59,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-19 08:00:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:59,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-19 08:00:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:59,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-19 08:00:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:59,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 08:00:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:59,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-19 08:00:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:59,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-19 08:00:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:59,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-19 08:00:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:59,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-19 08:00:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:59,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 08:00:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:59,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-19 08:00:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:59,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-19 08:00:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:59,254 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-11-19 08:00:59,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:59,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459898911] [2023-11-19 08:00:59,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459898911] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:00:59,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723212464] [2023-11-19 08:00:59,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:59,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:59,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:59,257 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:59,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 08:00:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:59,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:00:59,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:59,663 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-19 08:00:59,663 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:00:59,874 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-19 08:00:59,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1723212464] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:00:59,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:00:59,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2023-11-19 08:00:59,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121310391] [2023-11-19 08:00:59,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:00:59,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-19 08:00:59,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:59,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-19 08:00:59,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-11-19 08:00:59,880 INFO L87 Difference]: Start difference. First operand 309 states and 477 transitions. Second operand has 14 states, 13 states have (on average 13.538461538461538) internal successors, (176), 14 states have internal predecessors, (176), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) [2023-11-19 08:01:00,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:00,235 INFO L93 Difference]: Finished difference Result 719 states and 1119 transitions. [2023-11-19 08:01:00,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-19 08:01:00,236 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.538461538461538) internal successors, (176), 14 states have internal predecessors, (176), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) Word has length 137 [2023-11-19 08:01:00,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:00,237 INFO L225 Difference]: With dead ends: 719 [2023-11-19 08:01:00,237 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 08:01:00,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2023-11-19 08:01:00,243 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 565 mSDsluCounter, 1625 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 629 SdHoareTripleChecker+Valid, 1891 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:00,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [629 Valid, 1891 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:01:00,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 08:01:00,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 08:01:00,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:01:00,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 08:01:00,246 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 137 [2023-11-19 08:01:00,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:00,247 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:01:00,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.538461538461538) internal successors, (176), 14 states have internal predecessors, (176), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) [2023-11-19 08:01:00,247 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 08:01:00,248 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 08:01:00,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-19 08:01:00,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-19 08:01:00,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:00,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:01:00,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 08:01:01,036 INFO L902 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: true [2023-11-19 08:01:01,036 INFO L899 garLoopResultBuilder]: For program point L187-1(line 187) no Hoare annotation was computed. [2023-11-19 08:01:01,036 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 189) no Hoare annotation was computed. [2023-11-19 08:01:01,037 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 189) no Hoare annotation was computed. [2023-11-19 08:01:01,037 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 189) no Hoare annotation was computed. [2023-11-19 08:01:01,037 INFO L899 garLoopResultBuilder]: For program point read_manual_selection_historyEXIT(lines 173 191) no Hoare annotation was computed. [2023-11-19 08:01:01,037 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 173 191) the Hoare annotation is: true [2023-11-19 08:01:01,037 INFO L899 garLoopResultBuilder]: For program point read_manual_selection_historyFINAL(lines 173 191) no Hoare annotation was computed. [2023-11-19 08:01:01,037 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 245) no Hoare annotation was computed. [2023-11-19 08:01:01,037 INFO L899 garLoopResultBuilder]: For program point flip_the_sideFINAL(lines 236 248) no Hoare annotation was computed. [2023-11-19 08:01:01,037 INFO L899 garLoopResultBuilder]: For program point L241-2(lines 241 245) no Hoare annotation was computed. [2023-11-19 08:01:01,037 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 236 248) the Hoare annotation is: true [2023-11-19 08:01:01,037 INFO L899 garLoopResultBuilder]: For program point flip_the_sideEXIT(lines 236 248) no Hoare annotation was computed. [2023-11-19 08:01:01,038 INFO L899 garLoopResultBuilder]: For program point read_side2_failed_historyEXIT(lines 113 131) no Hoare annotation was computed. [2023-11-19 08:01:01,038 INFO L902 garLoopResultBuilder]: At program point L127(line 127) the Hoare annotation is: true [2023-11-19 08:01:01,038 INFO L899 garLoopResultBuilder]: For program point L127-1(line 127) no Hoare annotation was computed. [2023-11-19 08:01:01,038 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 129) no Hoare annotation was computed. [2023-11-19 08:01:01,038 INFO L899 garLoopResultBuilder]: For program point read_side2_failed_historyFINAL(lines 113 131) no Hoare annotation was computed. [2023-11-19 08:01:01,038 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 129) no Hoare annotation was computed. [2023-11-19 08:01:01,038 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 129) no Hoare annotation was computed. [2023-11-19 08:01:01,038 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 113 131) the Hoare annotation is: true [2023-11-19 08:01:01,038 INFO L899 garLoopResultBuilder]: For program point L619(line 619) no Hoare annotation was computed. [2023-11-19 08:01:01,039 INFO L899 garLoopResultBuilder]: For program point assertEXIT(lines 612 623) no Hoare annotation was computed. [2023-11-19 08:01:01,039 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 612 623) the Hoare annotation is: true [2023-11-19 08:01:01,039 INFO L899 garLoopResultBuilder]: For program point L617(lines 617 621) no Hoare annotation was computed. [2023-11-19 08:01:01,039 INFO L899 garLoopResultBuilder]: For program point L617-2(lines 612 623) no Hoare annotation was computed. [2023-11-19 08:01:01,039 INFO L899 garLoopResultBuilder]: For program point L3(line 3) no Hoare annotation was computed. [2023-11-19 08:01:01,039 INFO L902 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: true [2023-11-19 08:01:01,039 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2023-11-19 08:01:01,039 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 99) no Hoare annotation was computed. [2023-11-19 08:01:01,039 INFO L899 garLoopResultBuilder]: For program point read_side1_failed_historyFINAL(lines 83 101) no Hoare annotation was computed. [2023-11-19 08:01:01,040 INFO L899 garLoopResultBuilder]: For program point L91(lines 91 99) no Hoare annotation was computed. [2023-11-19 08:01:01,040 INFO L899 garLoopResultBuilder]: For program point read_side1_failed_historyEXIT(lines 83 101) no Hoare annotation was computed. [2023-11-19 08:01:01,040 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 99) no Hoare annotation was computed. [2023-11-19 08:01:01,040 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 101) the Hoare annotation is: true [2023-11-19 08:01:01,040 INFO L895 garLoopResultBuilder]: At program point L564(line 564) the Hoare annotation is: (< ~nomsg~0 0) [2023-11-19 08:01:01,040 INFO L899 garLoopResultBuilder]: For program point write_side1_failed_history_returnLabel#1(lines 72 82) no Hoare annotation was computed. [2023-11-19 08:01:01,040 INFO L899 garLoopResultBuilder]: For program point L564-1(line 564) no Hoare annotation was computed. [2023-11-19 08:01:01,040 INFO L899 garLoopResultBuilder]: For program point L465(lines 465 481) no Hoare annotation was computed. [2023-11-19 08:01:01,041 INFO L899 garLoopResultBuilder]: For program point L366-1(lines 347 370) no Hoare annotation was computed. [2023-11-19 08:01:01,041 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 370) no Hoare annotation was computed. [2023-11-19 08:01:01,041 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 220) no Hoare annotation was computed. [2023-11-19 08:01:01,041 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2023-11-19 08:01:01,041 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 416) no Hoare annotation was computed. [2023-11-19 08:01:01,041 INFO L899 garLoopResultBuilder]: For program point L466-2(lines 465 481) no Hoare annotation was computed. [2023-11-19 08:01:01,041 INFO L895 garLoopResultBuilder]: At program point L367(line 367) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,041 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2023-11-19 08:01:01,042 INFO L899 garLoopResultBuilder]: For program point L367-1(line 367) no Hoare annotation was computed. [2023-11-19 08:01:01,042 INFO L899 garLoopResultBuilder]: For program point write_active_side_history_returnLabel#1(lines 132 142) no Hoare annotation was computed. [2023-11-19 08:01:01,042 INFO L895 garLoopResultBuilder]: At program point L582-2(lines 582 608) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= |ULTIMATE.start_main_~i2~0#1| 2147483646) (<= (+ ~nomsg~0 1) 0)) [2023-11-19 08:01:01,042 INFO L899 garLoopResultBuilder]: For program point L582-3(lines 582 608) no Hoare annotation was computed. [2023-11-19 08:01:01,042 INFO L899 garLoopResultBuilder]: For program point L450(lines 450 454) no Hoare annotation was computed. [2023-11-19 08:01:01,042 INFO L895 garLoopResultBuilder]: At program point L450-2(lines 447 454) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,042 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2023-11-19 08:01:01,042 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 469) no Hoare annotation was computed. [2023-11-19 08:01:01,042 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2023-11-19 08:01:01,043 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2023-11-19 08:01:01,043 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 205) no Hoare annotation was computed. [2023-11-19 08:01:01,043 INFO L899 garLoopResultBuilder]: For program point $Ultimate##84(lines 408 416) no Hoare annotation was computed. [2023-11-19 08:01:01,043 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2023-11-19 08:01:01,043 INFO L895 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,043 INFO L899 garLoopResultBuilder]: For program point L386-1(line 386) no Hoare annotation was computed. [2023-11-19 08:01:01,043 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2023-11-19 08:01:01,043 INFO L899 garLoopResultBuilder]: For program point Pendulum_prism_task_each_pals_period_returnLabel#1(lines 378 420) no Hoare annotation was computed. [2023-11-19 08:01:01,044 INFO L899 garLoopResultBuilder]: For program point L502(line 502) no Hoare annotation was computed. [2023-11-19 08:01:01,044 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 536) no Hoare annotation was computed. [2023-11-19 08:01:01,044 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2023-11-19 08:01:01,044 INFO L899 garLoopResultBuilder]: For program point L519-1(lines 519 536) no Hoare annotation was computed. [2023-11-19 08:01:01,044 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 517) no Hoare annotation was computed. [2023-11-19 08:01:01,044 INFO L895 garLoopResultBuilder]: At program point L503-1(lines 503 517) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,044 INFO L899 garLoopResultBuilder]: For program point L206(lines 206 208) no Hoare annotation was computed. [2023-11-19 08:01:01,044 INFO L895 garLoopResultBuilder]: At program point L520(line 520) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,045 INFO L899 garLoopResultBuilder]: For program point $Ultimate##63(lines 358 370) no Hoare annotation was computed. [2023-11-19 08:01:01,045 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 501) no Hoare annotation was computed. [2023-11-19 08:01:01,045 INFO L899 garLoopResultBuilder]: For program point L520-1(line 520) no Hoare annotation was computed. [2023-11-19 08:01:01,045 INFO L895 garLoopResultBuilder]: At program point L487-1(lines 487 501) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,045 INFO L899 garLoopResultBuilder]: For program point $Ultimate##69(lines 366 370) no Hoare annotation was computed. [2023-11-19 08:01:01,045 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 08:01:01,045 INFO L895 garLoopResultBuilder]: At program point L504(line 504) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,045 INFO L899 garLoopResultBuilder]: For program point L504-1(line 504) no Hoare annotation was computed. [2023-11-19 08:01:01,045 INFO L899 garLoopResultBuilder]: For program point L471-1(lines 465 481) no Hoare annotation was computed. [2023-11-19 08:01:01,046 INFO L899 garLoopResultBuilder]: For program point L521(lines 521 535) no Hoare annotation was computed. [2023-11-19 08:01:01,046 INFO L895 garLoopResultBuilder]: At program point L488(line 488) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,046 INFO L895 garLoopResultBuilder]: At program point L455(line 455) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,048 INFO L899 garLoopResultBuilder]: For program point L488-1(line 488) no Hoare annotation was computed. [2023-11-19 08:01:01,048 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 313) no Hoare annotation was computed. [2023-11-19 08:01:01,048 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 226) no Hoare annotation was computed. [2023-11-19 08:01:01,049 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 516) no Hoare annotation was computed. [2023-11-19 08:01:01,049 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2023-11-19 08:01:01,049 INFO L899 garLoopResultBuilder]: For program point $Ultimate##49(lines 309 313) no Hoare annotation was computed. [2023-11-19 08:01:01,049 INFO L895 garLoopResultBuilder]: At program point L522(line 522) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,049 INFO L899 garLoopResultBuilder]: For program point $Ultimate##43(lines 301 313) no Hoare annotation was computed. [2023-11-19 08:01:01,049 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 500) no Hoare annotation was computed. [2023-11-19 08:01:01,050 INFO L899 garLoopResultBuilder]: For program point L522-1(line 522) no Hoare annotation was computed. [2023-11-19 08:01:01,050 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2023-11-19 08:01:01,050 INFO L895 garLoopResultBuilder]: At program point L605(line 605) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,050 INFO L899 garLoopResultBuilder]: For program point L605-1(line 605) no Hoare annotation was computed. [2023-11-19 08:01:01,050 INFO L895 garLoopResultBuilder]: At program point L506(line 506) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,051 INFO L899 garLoopResultBuilder]: For program point L506-1(line 506) no Hoare annotation was computed. [2023-11-19 08:01:01,051 INFO L899 garLoopResultBuilder]: For program point L209(lines 209 211) no Hoare annotation was computed. [2023-11-19 08:01:01,051 INFO L895 garLoopResultBuilder]: At program point L523(line 523) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,051 INFO L895 garLoopResultBuilder]: At program point L490(line 490) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,051 INFO L899 garLoopResultBuilder]: For program point L523-1(line 523) no Hoare annotation was computed. [2023-11-19 08:01:01,052 INFO L899 garLoopResultBuilder]: For program point L457(lines 457 485) no Hoare annotation was computed. [2023-11-19 08:01:01,052 INFO L899 garLoopResultBuilder]: For program point L490-1(line 490) no Hoare annotation was computed. [2023-11-19 08:01:01,052 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 540 611) no Hoare annotation was computed. [2023-11-19 08:01:01,052 INFO L899 garLoopResultBuilder]: For program point write_side2_failed_history_returnLabel#1(lines 102 112) no Hoare annotation was computed. [2023-11-19 08:01:01,052 INFO L895 garLoopResultBuilder]: At program point L457-1(lines 457 485) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,052 INFO L899 garLoopResultBuilder]: For program point Side2_activestandby_task_each_pals_period_returnLabel#1(lines 321 377) no Hoare annotation was computed. [2023-11-19 08:01:01,053 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 606) no Hoare annotation was computed. [2023-11-19 08:01:01,053 INFO L899 garLoopResultBuilder]: For program point L606(line 606) no Hoare annotation was computed. [2023-11-19 08:01:01,053 INFO L899 garLoopResultBuilder]: For program point L606-1(line 606) no Hoare annotation was computed. [2023-11-19 08:01:01,053 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 08:01:01,053 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 509) no Hoare annotation was computed. [2023-11-19 08:01:01,053 INFO L899 garLoopResultBuilder]: For program point L408(lines 394 416) no Hoare annotation was computed. [2023-11-19 08:01:01,053 INFO L899 garLoopResultBuilder]: For program point L309-1(lines 290 313) no Hoare annotation was computed. [2023-11-19 08:01:01,054 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 534) no Hoare annotation was computed. [2023-11-19 08:01:01,054 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 493) no Hoare annotation was computed. [2023-11-19 08:01:01,054 INFO L895 garLoopResultBuilder]: At program point L458(line 458) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,054 INFO L899 garLoopResultBuilder]: For program point L458-1(line 458) no Hoare annotation was computed. [2023-11-19 08:01:01,054 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 363) no Hoare annotation was computed. [2023-11-19 08:01:01,054 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 313) no Hoare annotation was computed. [2023-11-19 08:01:01,055 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 229) no Hoare annotation was computed. [2023-11-19 08:01:01,055 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 606) no Hoare annotation was computed. [2023-11-19 08:01:01,055 INFO L899 garLoopResultBuilder]: For program point write_manual_selection_history_returnLabel#1(lines 162 172) no Hoare annotation was computed. [2023-11-19 08:01:01,055 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 413) no Hoare annotation was computed. [2023-11-19 08:01:01,055 INFO L895 garLoopResultBuilder]: At program point L310(line 310) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,056 INFO L899 garLoopResultBuilder]: For program point L277(lines 277 283) no Hoare annotation was computed. [2023-11-19 08:01:01,056 INFO L899 garLoopResultBuilder]: For program point L310-1(line 310) no Hoare annotation was computed. [2023-11-19 08:01:01,056 INFO L895 garLoopResultBuilder]: At program point L525(line 525) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,056 INFO L899 garLoopResultBuilder]: For program point L525-1(line 525) no Hoare annotation was computed. [2023-11-19 08:01:01,056 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 484) no Hoare annotation was computed. [2023-11-19 08:01:01,056 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 08:01:01,057 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 298) no Hoare annotation was computed. [2023-11-19 08:01:01,057 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 214) no Hoare annotation was computed. [2023-11-19 08:01:01,057 INFO L895 garLoopResultBuilder]: At program point L526(line 526) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,057 INFO L899 garLoopResultBuilder]: For program point L526-1(line 526) no Hoare annotation was computed. [2023-11-19 08:01:01,057 INFO L895 garLoopResultBuilder]: At program point L460(line 460) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,058 INFO L899 garLoopResultBuilder]: For program point L460-1(line 460) no Hoare annotation was computed. [2023-11-19 08:01:01,058 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 416) no Hoare annotation was computed. [2023-11-19 08:01:01,058 INFO L899 garLoopResultBuilder]: For program point Console_task_each_pals_period_returnLabel#1(lines 249 263) no Hoare annotation was computed. [2023-11-19 08:01:01,058 INFO L895 garLoopResultBuilder]: At program point L510(line 510) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,058 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 479) no Hoare annotation was computed. [2023-11-19 08:01:01,058 INFO L899 garLoopResultBuilder]: For program point L510-1(line 510) no Hoare annotation was computed. [2023-11-19 08:01:01,059 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 533) no Hoare annotation was computed. [2023-11-19 08:01:01,059 INFO L895 garLoopResultBuilder]: At program point L494(line 494) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,059 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 483) no Hoare annotation was computed. [2023-11-19 08:01:01,059 INFO L899 garLoopResultBuilder]: For program point L494-1(line 494) no Hoare annotation was computed. [2023-11-19 08:01:01,059 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 232) no Hoare annotation was computed. [2023-11-19 08:01:01,059 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 199) no Hoare annotation was computed. [2023-11-19 08:01:01,060 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 08:01:01,060 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 515) no Hoare annotation was computed. [2023-11-19 08:01:01,060 INFO L895 garLoopResultBuilder]: At program point L528(line 528) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,060 INFO L899 garLoopResultBuilder]: For program point L495(lines 495 499) no Hoare annotation was computed. [2023-11-19 08:01:01,060 INFO L899 garLoopResultBuilder]: For program point L528-1(line 528) no Hoare annotation was computed. [2023-11-19 08:01:01,060 INFO L895 garLoopResultBuilder]: At program point L462(line 462) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,061 INFO L899 garLoopResultBuilder]: For program point L462-1(line 462) no Hoare annotation was computed. [2023-11-19 08:01:01,061 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 514) no Hoare annotation was computed. [2023-11-19 08:01:01,061 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 370) no Hoare annotation was computed. [2023-11-19 08:01:01,061 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 217) no Hoare annotation was computed. [2023-11-19 08:01:01,061 INFO L895 garLoopResultBuilder]: At program point L529(line 529) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,061 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 498) no Hoare annotation was computed. [2023-11-19 08:01:01,062 INFO L899 garLoopResultBuilder]: For program point L529-1(line 529) no Hoare annotation was computed. [2023-11-19 08:01:01,062 INFO L899 garLoopResultBuilder]: For program point L463(lines 463 482) no Hoare annotation was computed. [2023-11-19 08:01:01,062 INFO L899 garLoopResultBuilder]: For program point check_returnLabel#1(lines 421 539) no Hoare annotation was computed. [2023-11-19 08:01:01,062 INFO L899 garLoopResultBuilder]: For program point L397(lines 397 416) no Hoare annotation was computed. [2023-11-19 08:01:01,062 INFO L899 garLoopResultBuilder]: For program point L447(lines 447 454) no Hoare annotation was computed. [2023-11-19 08:01:01,062 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 532) no Hoare annotation was computed. [2023-11-19 08:01:01,063 INFO L895 garLoopResultBuilder]: At program point L464(line 464) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-19 08:01:01,063 INFO L899 garLoopResultBuilder]: For program point init_returnLabel#1(lines 192 235) no Hoare annotation was computed. [2023-11-19 08:01:01,063 INFO L899 garLoopResultBuilder]: For program point L464-1(line 464) no Hoare annotation was computed. [2023-11-19 08:01:01,063 INFO L899 garLoopResultBuilder]: For program point Side1_activestandby_task_each_pals_period_returnLabel#1(lines 264 320) no Hoare annotation was computed. [2023-11-19 08:01:01,063 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 202) no Hoare annotation was computed. [2023-11-19 08:01:01,063 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2023-11-19 08:01:01,063 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 57 59) the Hoare annotation is: true [2023-11-19 08:01:01,064 INFO L899 garLoopResultBuilder]: For program point L58-2(lines 57 59) no Hoare annotation was computed. [2023-11-19 08:01:01,064 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 57 59) no Hoare annotation was computed. [2023-11-19 08:01:01,064 INFO L902 garLoopResultBuilder]: At program point L157(line 157) the Hoare annotation is: true [2023-11-19 08:01:01,064 INFO L899 garLoopResultBuilder]: For program point L157-1(line 157) no Hoare annotation was computed. [2023-11-19 08:01:01,064 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 159) no Hoare annotation was computed. [2023-11-19 08:01:01,064 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 159) no Hoare annotation was computed. [2023-11-19 08:01:01,065 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 159) no Hoare annotation was computed. [2023-11-19 08:01:01,065 INFO L899 garLoopResultBuilder]: For program point read_active_side_historyEXIT(lines 143 161) no Hoare annotation was computed. [2023-11-19 08:01:01,065 INFO L899 garLoopResultBuilder]: For program point read_active_side_historyFINAL(lines 143 161) no Hoare annotation was computed. [2023-11-19 08:01:01,065 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 143 161) the Hoare annotation is: true [2023-11-19 08:01:01,069 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-19 08:01:01,071 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:01:01,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:01:01 BoogieIcfgContainer [2023-11-19 08:01:01,084 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:01:01,085 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:01:01,085 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:01:01,086 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:01:01,086 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:54" (3/4) ... [2023-11-19 08:01:01,088 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 08:01:01,093 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_manual_selection_history [2023-11-19 08:01:01,093 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flip_the_side [2023-11-19 08:01:01,094 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side2_failed_history [2023-11-19 08:01:01,094 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2023-11-19 08:01:01,094 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side1_failed_history [2023-11-19 08:01:01,094 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 08:01:01,094 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_active_side_history [2023-11-19 08:01:01,108 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-19 08:01:01,109 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 08:01:01,111 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 08:01:01,113 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 08:01:01,351 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 08:01:01,352 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 08:01:01,352 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:01:01,353 INFO L158 Benchmark]: Toolchain (without parser) took 9026.96ms. Allocated memory was 140.5MB in the beginning and 237.0MB in the end (delta: 96.5MB). Free memory was 93.5MB in the beginning and 201.1MB in the end (delta: -107.6MB). Peak memory consumption was 127.3MB. Max. memory is 16.1GB. [2023-11-19 08:01:01,353 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 140.5MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:01:01,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.25ms. Allocated memory is still 140.5MB. Free memory was 93.2MB in the beginning and 75.4MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 08:01:01,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 142.30ms. Allocated memory is still 140.5MB. Free memory was 75.4MB in the beginning and 71.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:01:01,355 INFO L158 Benchmark]: Boogie Preprocessor took 89.28ms. Allocated memory is still 140.5MB. Free memory was 71.9MB in the beginning and 69.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:01:01,355 INFO L158 Benchmark]: RCFGBuilder took 1162.09ms. Allocated memory was 140.5MB in the beginning and 197.1MB in the end (delta: 56.6MB). Free memory was 69.1MB in the beginning and 135.3MB in the end (delta: -66.1MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-11-19 08:01:01,356 INFO L158 Benchmark]: TraceAbstraction took 6745.33ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 134.0MB in the beginning and 77.4MB in the end (delta: 56.7MB). Peak memory consumption was 96.3MB. Max. memory is 16.1GB. [2023-11-19 08:01:01,357 INFO L158 Benchmark]: Witness Printer took 267.34ms. Allocated memory is still 237.0MB. Free memory was 77.4MB in the beginning and 201.1MB in the end (delta: -123.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2023-11-19 08:01:01,360 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 140.5MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 606.25ms. Allocated memory is still 140.5MB. Free memory was 93.2MB in the beginning and 75.4MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 142.30ms. Allocated memory is still 140.5MB. Free memory was 75.4MB in the beginning and 71.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.28ms. Allocated memory is still 140.5MB. Free memory was 71.9MB in the beginning and 69.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1162.09ms. Allocated memory was 140.5MB in the beginning and 197.1MB in the end (delta: 56.6MB). Free memory was 69.1MB in the beginning and 135.3MB in the end (delta: -66.1MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6745.33ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 134.0MB in the beginning and 77.4MB in the end (delta: 56.7MB). Peak memory consumption was 96.3MB. Max. memory is 16.1GB. * Witness Printer took 267.34ms. Allocated memory is still 237.0MB. Free memory was 77.4MB in the beginning and 201.1MB in the end (delta: -123.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 185 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1697 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1595 mSDsluCounter, 5054 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3482 mSDsCounter, 89 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 340 IncrementalHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 89 mSolverCounterUnsat, 1572 mSDtfsCounter, 340 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 710 GetRequests, 661 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=309occurred in iteration=5, InterpolantAutomatonStates: 33, 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, 6 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 436 PreInvPairs, 519 NumberOfFragments, 338 HoareAnnotationTreeSize, 436 FomulaSimplifications, 177 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 39 FomulaSimplificationsInter, 888 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 929 NumberOfCodeBlocks, 929 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1054 ConstructedInterpolants, 0 QuantifiedInterpolants, 1748 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2355 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 244/330 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((0 <= i2) && (i2 <= 2147483646)) && ((nomsg + 1) <= 0)) RESULT: Ultimate proved your program to be correct! [2023-11-19 08:01:01,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbfdfad-f163-4f7a-a077-9f92059209ab/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE