./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme --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 2354c4d30c0335eb0a6c6e03cf8d087a440768412264986840e048ded8afea74 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:48:26,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:48:26,896 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-26 10:48:26,901 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:48:26,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:48:26,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:48:26,928 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:48:26,929 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:48:26,930 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:48:26,930 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:48:26,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:48:26,932 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:48:26,932 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:48:26,933 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:48:26,934 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:48:26,934 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:48:26,935 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:48:26,935 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:48:26,936 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:48:26,937 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:48:26,937 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:48:26,938 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:48:26,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:48:26,939 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:48:26,940 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 10:48:26,940 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:48:26,941 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:48:26,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:48:26,942 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:48:26,942 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:48:26,943 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:48:26,943 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:48:26,944 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:48:26,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:48:26,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:48:26,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:48:26,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:48:26,946 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:48:26,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:48:26,947 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:48:26,947 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:48:26,948 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:48:26,948 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:48:26,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:48:26,948 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_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2354c4d30c0335eb0a6c6e03cf8d087a440768412264986840e048ded8afea74 [2023-11-26 10:48:27,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:48:27,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:48:27,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:48:27,274 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:48:27,275 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:48:27,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2023-11-26 10:48:30,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:48:30,616 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:48:30,617 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2023-11-26 10:48:30,636 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/data/64ac75c7f/fc95765ee7744ff98d515e8f6359fb5b/FLAG77468b3e6 [2023-11-26 10:48:30,655 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/data/64ac75c7f/fc95765ee7744ff98d515e8f6359fb5b [2023-11-26 10:48:30,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:48:30,665 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:48:30,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:48:30,667 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:48:30,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:48:30,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:48:30" (1/1) ... [2023-11-26 10:48:30,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ba0312e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:30, skipping insertion in model container [2023-11-26 10:48:30,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:48:30" (1/1) ... [2023-11-26 10:48:30,721 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:48:31,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:48:31,045 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:48:31,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:48:31,143 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:48:31,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:31 WrapperNode [2023-11-26 10:48:31,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:48:31,145 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:48:31,145 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:48:31,145 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:48:31,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:31" (1/1) ... [2023-11-26 10:48:31,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:31" (1/1) ... [2023-11-26 10:48:31,207 INFO L138 Inliner]: procedures = 32, calls = 49, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 508 [2023-11-26 10:48:31,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:48:31,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:48:31,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:48:31,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:48:31,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:31" (1/1) ... [2023-11-26 10:48:31,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:31" (1/1) ... [2023-11-26 10:48:31,232 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:31" (1/1) ... [2023-11-26 10:48:31,251 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:48:31,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:31" (1/1) ... [2023-11-26 10:48:31,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:31" (1/1) ... [2023-11-26 10:48:31,267 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:31" (1/1) ... [2023-11-26 10:48:31,274 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:31" (1/1) ... [2023-11-26 10:48:31,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:31" (1/1) ... [2023-11-26 10:48:31,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:31" (1/1) ... [2023-11-26 10:48:31,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:48:31,288 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:48:31,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:48:31,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:48:31,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:31" (1/1) ... [2023-11-26 10:48:31,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:48:31,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:31,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:48:31,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:48:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2023-11-26 10:48:31,398 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2023-11-26 10:48:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:48:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2023-11-26 10:48:31,399 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2023-11-26 10:48:31,399 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-11-26 10:48:31,399 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-11-26 10:48:31,399 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2023-11-26 10:48:31,399 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2023-11-26 10:48:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:48:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:48:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:48:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2023-11-26 10:48:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2023-11-26 10:48:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:48:31,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:48:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2023-11-26 10:48:31,403 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2023-11-26 10:48:31,563 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:48:31,568 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:48:32,158 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:48:32,279 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:48:32,279 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:48:32,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:32 BoogieIcfgContainer [2023-11-26 10:48:32,280 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:48:32,284 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:48:32,285 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:48:32,288 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:48:32,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:48:30" (1/3) ... [2023-11-26 10:48:32,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e5a28f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:48:32, skipping insertion in model container [2023-11-26 10:48:32,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:48:31" (2/3) ... [2023-11-26 10:48:32,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e5a28f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:48:32, skipping insertion in model container [2023-11-26 10:48:32,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:32" (3/3) ... [2023-11-26 10:48:32,291 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2023-11-26 10:48:32,312 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:48:32,313 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-26 10:48:32,373 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:48:32,380 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;@3e953b4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:48:32,380 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-26 10:48:32,386 INFO L276 IsEmpty]: Start isEmpty. Operand has 173 states, 132 states have (on average 1.5984848484848484) internal successors, (211), 134 states have internal predecessors, (211), 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) [2023-11-26 10:48:32,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-26 10:48:32,403 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:32,404 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] [2023-11-26 10:48:32,404 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-26 10:48:32,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:32,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1487519119, now seen corresponding path program 1 times [2023-11-26 10:48:32,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:32,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864804316] [2023-11-26 10:48:32,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:32,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:32,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-26 10:48:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:32,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:48:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:32,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-26 10:48:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:32,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-26 10:48:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:32,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 10:48:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:32,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-26 10:48:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:32,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-26 10:48:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:32,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 10:48:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:32,890 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-26 10:48:32,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:32,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864804316] [2023-11-26 10:48:32,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864804316] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:32,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:48:32,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:48:32,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754981548] [2023-11-26 10:48:32,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:32,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:48:32,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:32,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:48:32,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:48:32,945 INFO L87 Difference]: Start difference. First operand has 173 states, 132 states have (on average 1.5984848484848484) internal successors, (211), 134 states have internal predecessors, (211), 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 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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) [2023-11-26 10:48:33,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:33,017 INFO L93 Difference]: Finished difference Result 331 states and 547 transitions. [2023-11-26 10:48:33,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:48:33,020 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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 64 [2023-11-26 10:48:33,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:33,033 INFO L225 Difference]: With dead ends: 331 [2023-11-26 10:48:33,033 INFO L226 Difference]: Without dead ends: 171 [2023-11-26 10:48:33,039 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 [2023-11-26 10:48:33,044 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:33,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 264 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:48:33,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-11-26 10:48:33,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2023-11-26 10:48:33,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 131 states have (on average 1.5725190839694656) internal successors, (206), 132 states have internal predecessors, (206), 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) [2023-11-26 10:48:33,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 268 transitions. [2023-11-26 10:48:33,111 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 268 transitions. Word has length 64 [2023-11-26 10:48:33,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:33,112 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 268 transitions. [2023-11-26 10:48:33,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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) [2023-11-26 10:48:33,113 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 268 transitions. [2023-11-26 10:48:33,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-26 10:48:33,118 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:33,119 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] [2023-11-26 10:48:33,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:48:33,119 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-26 10:48:33,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:33,121 INFO L85 PathProgramCache]: Analyzing trace with hash 202851731, now seen corresponding path program 1 times [2023-11-26 10:48:33,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:33,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101208180] [2023-11-26 10:48:33,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:33,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:33,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-26 10:48:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:33,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:48:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:33,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-26 10:48:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:33,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-26 10:48:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:33,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 10:48:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:33,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-26 10:48:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:33,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-26 10:48:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:33,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-26 10:48:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:33,575 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-26 10:48:33,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:33,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101208180] [2023-11-26 10:48:33,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101208180] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:48:33,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631602466] [2023-11-26 10:48:33,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:33,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:33,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:33,581 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:33,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 10:48:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:33,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:48:33,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:33,978 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:33,983 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:48:33,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631602466] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:33,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:48:33,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2023-11-26 10:48:33,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955756692] [2023-11-26 10:48:33,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:33,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:48:33,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:33,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:48:33,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-26 10:48:33,995 INFO L87 Difference]: Start difference. First operand 171 states and 268 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 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) [2023-11-26 10:48:34,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:34,291 INFO L93 Difference]: Finished difference Result 372 states and 576 transitions. [2023-11-26 10:48:34,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:48:34,293 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 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 64 [2023-11-26 10:48:34,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:34,305 INFO L225 Difference]: With dead ends: 372 [2023-11-26 10:48:34,305 INFO L226 Difference]: Without dead ends: 217 [2023-11-26 10:48:34,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-26 10:48:34,312 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 388 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:34,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 688 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 10:48:34,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-11-26 10:48:34,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 215. [2023-11-26 10:48:34,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 168 states have (on average 1.5595238095238095) internal successors, (262), 169 states have internal predecessors, (262), 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) [2023-11-26 10:48:34,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 332 transitions. [2023-11-26 10:48:34,376 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 332 transitions. Word has length 64 [2023-11-26 10:48:34,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:34,377 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 332 transitions. [2023-11-26 10:48:34,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 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) [2023-11-26 10:48:34,378 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 332 transitions. [2023-11-26 10:48:34,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-26 10:48:34,381 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:34,381 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] [2023-11-26 10:48:34,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:34,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:34,591 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-26 10:48:34,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:34,591 INFO L85 PathProgramCache]: Analyzing trace with hash 888124015, now seen corresponding path program 1 times [2023-11-26 10:48:34,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:34,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968524826] [2023-11-26 10:48:34,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:34,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:34,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-26 10:48:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:34,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:48:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:34,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:48:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:34,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 10:48:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:34,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-26 10:48:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:34,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-26 10:48:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:34,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-26 10:48:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:34,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-26 10:48:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:34,788 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-26 10:48:34,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:34,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968524826] [2023-11-26 10:48:34,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968524826] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:48:34,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902885885] [2023-11-26 10:48:34,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:34,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:34,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:34,795 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:34,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 10:48:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:34,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:48:34,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:35,039 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:48:35,039 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:48:35,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902885885] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:35,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:48:35,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2023-11-26 10:48:35,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431590154] [2023-11-26 10:48:35,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:35,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:48:35,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:35,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:48:35,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-26 10:48:35,043 INFO L87 Difference]: Start difference. First operand 215 states and 332 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 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) [2023-11-26 10:48:35,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:35,226 INFO L93 Difference]: Finished difference Result 373 states and 576 transitions. [2023-11-26 10:48:35,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:48:35,227 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 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 65 [2023-11-26 10:48:35,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:35,230 INFO L225 Difference]: With dead ends: 373 [2023-11-26 10:48:35,230 INFO L226 Difference]: Without dead ends: 218 [2023-11-26 10:48:35,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-26 10:48:35,232 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 385 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:35,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 690 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:48:35,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2023-11-26 10:48:35,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 217. [2023-11-26 10:48:35,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 170 states have (on average 1.5529411764705883) internal successors, (264), 171 states have internal predecessors, (264), 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) [2023-11-26 10:48:35,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 334 transitions. [2023-11-26 10:48:35,269 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 334 transitions. Word has length 65 [2023-11-26 10:48:35,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:35,269 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 334 transitions. [2023-11-26 10:48:35,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 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) [2023-11-26 10:48:35,270 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 334 transitions. [2023-11-26 10:48:35,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-26 10:48:35,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:35,272 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] [2023-11-26 10:48:35,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:35,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:35,480 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-26 10:48:35,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:35,489 INFO L85 PathProgramCache]: Analyzing trace with hash 697576641, now seen corresponding path program 1 times [2023-11-26 10:48:35,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:35,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389301566] [2023-11-26 10:48:35,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:35,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:35,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-26 10:48:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:35,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:48:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:35,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-26 10:48:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:35,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 10:48:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:35,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-26 10:48:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:35,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-26 10:48:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:35,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-26 10:48:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:35,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-26 10:48:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:35,637 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-26 10:48:35,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:35,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389301566] [2023-11-26 10:48:35,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389301566] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:48:35,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447240061] [2023-11-26 10:48:35,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:35,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:35,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:35,639 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:35,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 10:48:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:35,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 10:48:35,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:35,889 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-26 10:48:35,889 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:48:35,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447240061] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:35,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:48:35,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2023-11-26 10:48:35,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088682852] [2023-11-26 10:48:35,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:35,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:48:35,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:35,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:48:35,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:48:35,893 INFO L87 Difference]: Start difference. First operand 217 states and 334 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 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) [2023-11-26 10:48:35,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:35,945 INFO L93 Difference]: Finished difference Result 217 states and 334 transitions. [2023-11-26 10:48:35,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:48:35,947 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 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 67 [2023-11-26 10:48:35,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:35,950 INFO L225 Difference]: With dead ends: 217 [2023-11-26 10:48:35,950 INFO L226 Difference]: Without dead ends: 216 [2023-11-26 10:48:35,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-26 10:48:35,952 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 112 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:35,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 621 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:48:35,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2023-11-26 10:48:35,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2023-11-26 10:48:35,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 170 states have (on average 1.5470588235294118) internal successors, (263), 170 states have internal predecessors, (263), 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) [2023-11-26 10:48:35,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 333 transitions. [2023-11-26 10:48:35,971 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 333 transitions. Word has length 67 [2023-11-26 10:48:35,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:35,972 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 333 transitions. [2023-11-26 10:48:35,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 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) [2023-11-26 10:48:35,972 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 333 transitions. [2023-11-26 10:48:35,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-26 10:48:35,974 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:35,974 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] [2023-11-26 10:48:35,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-26 10:48:36,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:36,181 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-26 10:48:36,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:36,181 INFO L85 PathProgramCache]: Analyzing trace with hash 150039915, now seen corresponding path program 1 times [2023-11-26 10:48:36,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:36,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995506449] [2023-11-26 10:48:36,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:36,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:36,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-26 10:48:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:36,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:48:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:36,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-26 10:48:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:36,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 10:48:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:36,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-26 10:48:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:36,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-26 10:48:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:36,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-26 10:48:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:36,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-26 10:48:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:36,386 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-26 10:48:36,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:36,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995506449] [2023-11-26 10:48:36,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995506449] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:48:36,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064972720] [2023-11-26 10:48:36,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:36,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:36,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:36,389 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:36,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 10:48:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:36,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 10:48:36,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:36,623 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-26 10:48:36,623 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:48:36,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064972720] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:48:36,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:48:36,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2023-11-26 10:48:36,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487806298] [2023-11-26 10:48:36,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:48:36,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:48:36,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:36,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:48:36,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:48:36,626 INFO L87 Difference]: Start difference. First operand 216 states and 333 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 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) [2023-11-26 10:48:36,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:36,695 INFO L93 Difference]: Finished difference Result 295 states and 463 transitions. [2023-11-26 10:48:36,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:48:36,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 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 68 [2023-11-26 10:48:36,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:36,702 INFO L225 Difference]: With dead ends: 295 [2023-11-26 10:48:36,702 INFO L226 Difference]: Without dead ends: 294 [2023-11-26 10:48:36,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-26 10:48:36,703 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 103 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:36,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 775 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:48:36,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2023-11-26 10:48:36,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2023-11-26 10:48:36,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 225 states have (on average 1.5377777777777777) internal successors, (346), 225 states have internal predecessors, (346), 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) [2023-11-26 10:48:36,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 462 transitions. [2023-11-26 10:48:36,738 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 462 transitions. Word has length 68 [2023-11-26 10:48:36,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:36,741 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 462 transitions. [2023-11-26 10:48:36,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 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) [2023-11-26 10:48:36,741 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 462 transitions. [2023-11-26 10:48:36,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-26 10:48:36,745 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:48:36,745 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:48:36,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:36,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:36,952 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-26 10:48:36,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:48:36,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1646856766, now seen corresponding path program 1 times [2023-11-26 10:48:36,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:48:36,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475983632] [2023-11-26 10:48:36,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:36,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:48:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:37,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-26 10:48:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:37,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:48:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:37,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-26 10:48:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:37,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 10:48:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:37,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-26 10:48:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:37,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-26 10:48:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:37,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-26 10:48:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:37,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-26 10:48:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:37,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-26 10:48:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:37,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-26 10:48:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:37,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-26 10:48:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:37,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-26 10:48:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:37,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-26 10:48:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:37,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-26 10:48:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:37,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-26 10:48:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:37,191 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-11-26 10:48:37,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:48:37,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475983632] [2023-11-26 10:48:37,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475983632] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:48:37,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131286053] [2023-11-26 10:48:37,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:48:37,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:48:37,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:48:37,193 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:48:37,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 10:48:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:48:37,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:48:37,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:48:37,568 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-26 10:48:37,568 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:48:37,769 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-26 10:48:37,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131286053] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 10:48:37,769 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 10:48:37,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2023-11-26 10:48:37,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907862326] [2023-11-26 10:48:37,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 10:48:37,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-26 10:48:37,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:48:37,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-26 10:48:37,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-11-26 10:48:37,773 INFO L87 Difference]: Start difference. First operand 294 states and 462 transitions. Second operand has 14 states, 13 states have (on average 11.153846153846153) internal successors, (145), 14 states have internal predecessors, (145), 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) [2023-11-26 10:48:38,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:48:38,162 INFO L93 Difference]: Finished difference Result 684 states and 1084 transitions. [2023-11-26 10:48:38,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-26 10:48:38,163 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.153846153846153) internal successors, (145), 14 states have internal predecessors, (145), 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 124 [2023-11-26 10:48:38,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:48:38,163 INFO L225 Difference]: With dead ends: 684 [2023-11-26 10:48:38,163 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 10:48:38,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2023-11-26 10:48:38,167 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 559 mSDsluCounter, 1830 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 2084 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 10:48:38,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [623 Valid, 2084 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 10:48:38,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 10:48:38,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 10:48:38,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:48:38,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 10:48:38,170 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 124 [2023-11-26 10:48:38,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:48:38,170 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:48:38,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.153846153846153) internal successors, (145), 14 states have internal predecessors, (145), 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) [2023-11-26 10:48:38,171 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 10:48:38,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 10:48:38,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-26 10:48:38,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-26 10:48:38,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 10:48:38,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-26 10:48:38,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 10:48:39,017 INFO L902 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: true [2023-11-26 10:48:39,017 INFO L899 garLoopResultBuilder]: For program point L187-1(line 187) no Hoare annotation was computed. [2023-11-26 10:48:39,017 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 189) no Hoare annotation was computed. [2023-11-26 10:48:39,018 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 189) no Hoare annotation was computed. [2023-11-26 10:48:39,018 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 189) no Hoare annotation was computed. [2023-11-26 10:48:39,018 INFO L899 garLoopResultBuilder]: For program point read_manual_selection_historyEXIT(lines 173 191) no Hoare annotation was computed. [2023-11-26 10:48:39,018 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 173 191) the Hoare annotation is: true [2023-11-26 10:48:39,018 INFO L899 garLoopResultBuilder]: For program point read_manual_selection_historyFINAL(lines 173 191) no Hoare annotation was computed. [2023-11-26 10:48:39,018 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 245) no Hoare annotation was computed. [2023-11-26 10:48:39,018 INFO L899 garLoopResultBuilder]: For program point L241-2(lines 241 245) no Hoare annotation was computed. [2023-11-26 10:48:39,018 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 236 248) the Hoare annotation is: true [2023-11-26 10:48:39,019 INFO L899 garLoopResultBuilder]: For program point flip_the_sideEXIT(lines 236 248) no Hoare annotation was computed. [2023-11-26 10:48:39,019 INFO L899 garLoopResultBuilder]: For program point read_side2_failed_historyEXIT(lines 113 131) no Hoare annotation was computed. [2023-11-26 10:48:39,019 INFO L902 garLoopResultBuilder]: At program point L127(line 127) the Hoare annotation is: true [2023-11-26 10:48:39,019 INFO L899 garLoopResultBuilder]: For program point L127-1(line 127) no Hoare annotation was computed. [2023-11-26 10:48:39,019 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 129) no Hoare annotation was computed. [2023-11-26 10:48:39,019 INFO L899 garLoopResultBuilder]: For program point read_side2_failed_historyFINAL(lines 113 131) no Hoare annotation was computed. [2023-11-26 10:48:39,019 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 129) no Hoare annotation was computed. [2023-11-26 10:48:39,019 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 129) no Hoare annotation was computed. [2023-11-26 10:48:39,020 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 113 131) the Hoare annotation is: true [2023-11-26 10:48:39,020 INFO L899 garLoopResultBuilder]: For program point assertEXIT(lines 612 623) no Hoare annotation was computed. [2023-11-26 10:48:39,020 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 612 623) the Hoare annotation is: true [2023-11-26 10:48:39,020 INFO L899 garLoopResultBuilder]: For program point L617(lines 617 621) no Hoare annotation was computed. [2023-11-26 10:48:39,020 INFO L899 garLoopResultBuilder]: For program point L617-2(lines 612 623) no Hoare annotation was computed. [2023-11-26 10:48:39,020 INFO L902 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: true [2023-11-26 10:48:39,020 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2023-11-26 10:48:39,021 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 99) no Hoare annotation was computed. [2023-11-26 10:48:39,021 INFO L899 garLoopResultBuilder]: For program point read_side1_failed_historyFINAL(lines 83 101) no Hoare annotation was computed. [2023-11-26 10:48:39,021 INFO L899 garLoopResultBuilder]: For program point L91(lines 91 99) no Hoare annotation was computed. [2023-11-26 10:48:39,021 INFO L899 garLoopResultBuilder]: For program point read_side1_failed_historyEXIT(lines 83 101) no Hoare annotation was computed. [2023-11-26 10:48:39,021 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 99) no Hoare annotation was computed. [2023-11-26 10:48:39,021 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 101) the Hoare annotation is: true [2023-11-26 10:48:39,021 INFO L895 garLoopResultBuilder]: At program point L564(line 564) the Hoare annotation is: (< ~nomsg~0 0) [2023-11-26 10:48:39,022 INFO L899 garLoopResultBuilder]: For program point L564-1(line 564) no Hoare annotation was computed. [2023-11-26 10:48:39,022 INFO L899 garLoopResultBuilder]: For program point L465(lines 465 481) no Hoare annotation was computed. [2023-11-26 10:48:39,022 INFO L899 garLoopResultBuilder]: For program point L366-1(lines 347 370) no Hoare annotation was computed. [2023-11-26 10:48:39,022 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 370) no Hoare annotation was computed. [2023-11-26 10:48:39,022 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 220) no Hoare annotation was computed. [2023-11-26 10:48:39,022 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2023-11-26 10:48:39,022 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 416) no Hoare annotation was computed. [2023-11-26 10:48:39,022 INFO L899 garLoopResultBuilder]: For program point L466-2(lines 465 481) no Hoare annotation was computed. [2023-11-26 10:48:39,023 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)) [2023-11-26 10:48:39,023 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2023-11-26 10:48:39,023 INFO L899 garLoopResultBuilder]: For program point L367-1(line 367) no Hoare annotation was computed. [2023-11-26 10:48:39,023 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)) [2023-11-26 10:48:39,023 INFO L899 garLoopResultBuilder]: For program point L582-3(lines 582 608) no Hoare annotation was computed. [2023-11-26 10:48:39,023 INFO L899 garLoopResultBuilder]: For program point L450(lines 450 454) no Hoare annotation was computed. [2023-11-26 10:48:39,024 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)) [2023-11-26 10:48:39,024 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2023-11-26 10:48:39,024 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 469) no Hoare annotation was computed. [2023-11-26 10:48:39,024 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2023-11-26 10:48:39,024 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2023-11-26 10:48:39,024 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 205) no Hoare annotation was computed. [2023-11-26 10:48:39,024 INFO L899 garLoopResultBuilder]: For program point $Ultimate##84(lines 408 416) no Hoare annotation was computed. [2023-11-26 10:48:39,025 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2023-11-26 10:48:39,025 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)) [2023-11-26 10:48:39,025 INFO L899 garLoopResultBuilder]: For program point L386-1(line 386) no Hoare annotation was computed. [2023-11-26 10:48:39,025 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2023-11-26 10:48:39,025 INFO L899 garLoopResultBuilder]: For program point L502(line 502) no Hoare annotation was computed. [2023-11-26 10:48:39,025 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 536) no Hoare annotation was computed. [2023-11-26 10:48:39,025 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2023-11-26 10:48:39,025 INFO L899 garLoopResultBuilder]: For program point L519-1(lines 519 536) no Hoare annotation was computed. [2023-11-26 10:48:39,026 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 517) no Hoare annotation was computed. [2023-11-26 10:48:39,026 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)) [2023-11-26 10:48:39,026 INFO L899 garLoopResultBuilder]: For program point L206(lines 206 208) no Hoare annotation was computed. [2023-11-26 10:48:39,026 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)) [2023-11-26 10:48:39,026 INFO L899 garLoopResultBuilder]: For program point $Ultimate##63(lines 358 370) no Hoare annotation was computed. [2023-11-26 10:48:39,026 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 501) no Hoare annotation was computed. [2023-11-26 10:48:39,027 INFO L899 garLoopResultBuilder]: For program point L520-1(line 520) no Hoare annotation was computed. [2023-11-26 10:48:39,027 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)) [2023-11-26 10:48:39,027 INFO L899 garLoopResultBuilder]: For program point $Ultimate##69(lines 366 370) no Hoare annotation was computed. [2023-11-26 10:48:39,027 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 10:48:39,027 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)) [2023-11-26 10:48:39,027 INFO L899 garLoopResultBuilder]: For program point L504-1(line 504) no Hoare annotation was computed. [2023-11-26 10:48:39,027 INFO L899 garLoopResultBuilder]: For program point L471-1(lines 465 481) no Hoare annotation was computed. [2023-11-26 10:48:39,031 INFO L899 garLoopResultBuilder]: For program point L521(lines 521 535) no Hoare annotation was computed. [2023-11-26 10:48:39,032 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)) [2023-11-26 10:48:39,032 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)) [2023-11-26 10:48:39,032 INFO L899 garLoopResultBuilder]: For program point L488-1(line 488) no Hoare annotation was computed. [2023-11-26 10:48:39,032 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 313) no Hoare annotation was computed. [2023-11-26 10:48:39,032 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 226) no Hoare annotation was computed. [2023-11-26 10:48:39,034 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 516) no Hoare annotation was computed. [2023-11-26 10:48:39,034 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2023-11-26 10:48:39,034 INFO L899 garLoopResultBuilder]: For program point $Ultimate##49(lines 309 313) no Hoare annotation was computed. [2023-11-26 10:48:39,034 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)) [2023-11-26 10:48:39,034 INFO L899 garLoopResultBuilder]: For program point $Ultimate##43(lines 301 313) no Hoare annotation was computed. [2023-11-26 10:48:39,034 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 500) no Hoare annotation was computed. [2023-11-26 10:48:39,035 INFO L899 garLoopResultBuilder]: For program point L522-1(line 522) no Hoare annotation was computed. [2023-11-26 10:48:39,035 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2023-11-26 10:48:39,035 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)) [2023-11-26 10:48:39,035 INFO L899 garLoopResultBuilder]: For program point L605-1(line 605) no Hoare annotation was computed. [2023-11-26 10:48:39,035 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)) [2023-11-26 10:48:39,035 INFO L899 garLoopResultBuilder]: For program point L506-1(line 506) no Hoare annotation was computed. [2023-11-26 10:48:39,035 INFO L899 garLoopResultBuilder]: For program point L209(lines 209 211) no Hoare annotation was computed. [2023-11-26 10:48:39,036 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)) [2023-11-26 10:48:39,036 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)) [2023-11-26 10:48:39,036 INFO L899 garLoopResultBuilder]: For program point L523-1(line 523) no Hoare annotation was computed. [2023-11-26 10:48:39,036 INFO L899 garLoopResultBuilder]: For program point L457(lines 457 485) no Hoare annotation was computed. [2023-11-26 10:48:39,036 INFO L899 garLoopResultBuilder]: For program point L490-1(line 490) no Hoare annotation was computed. [2023-11-26 10:48:39,036 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)) [2023-11-26 10:48:39,036 INFO L899 garLoopResultBuilder]: For program point Side2_activestandby_task_each_pals_period_returnLabel#1(lines 321 377) no Hoare annotation was computed. [2023-11-26 10:48:39,037 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 606) no Hoare annotation was computed. [2023-11-26 10:48:39,037 INFO L899 garLoopResultBuilder]: For program point L606(line 606) no Hoare annotation was computed. [2023-11-26 10:48:39,037 INFO L899 garLoopResultBuilder]: For program point L606-1(line 606) no Hoare annotation was computed. [2023-11-26 10:48:39,037 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 509) no Hoare annotation was computed. [2023-11-26 10:48:39,037 INFO L899 garLoopResultBuilder]: For program point L408(lines 394 416) no Hoare annotation was computed. [2023-11-26 10:48:39,037 INFO L899 garLoopResultBuilder]: For program point L309-1(lines 290 313) no Hoare annotation was computed. [2023-11-26 10:48:39,037 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 534) no Hoare annotation was computed. [2023-11-26 10:48:39,037 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 493) no Hoare annotation was computed. [2023-11-26 10:48:39,038 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)) [2023-11-26 10:48:39,038 INFO L899 garLoopResultBuilder]: For program point L458-1(line 458) no Hoare annotation was computed. [2023-11-26 10:48:39,038 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 363) no Hoare annotation was computed. [2023-11-26 10:48:39,038 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 313) no Hoare annotation was computed. [2023-11-26 10:48:39,038 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 229) no Hoare annotation was computed. [2023-11-26 10:48:39,038 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 606) no Hoare annotation was computed. [2023-11-26 10:48:39,038 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 413) no Hoare annotation was computed. [2023-11-26 10:48:39,038 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)) [2023-11-26 10:48:39,039 INFO L899 garLoopResultBuilder]: For program point L277(lines 277 283) no Hoare annotation was computed. [2023-11-26 10:48:39,039 INFO L899 garLoopResultBuilder]: For program point L310-1(line 310) no Hoare annotation was computed. [2023-11-26 10:48:39,041 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)) [2023-11-26 10:48:39,041 INFO L899 garLoopResultBuilder]: For program point L525-1(line 525) no Hoare annotation was computed. [2023-11-26 10:48:39,042 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 484) no Hoare annotation was computed. [2023-11-26 10:48:39,042 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 10:48:39,042 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 298) no Hoare annotation was computed. [2023-11-26 10:48:39,042 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 214) no Hoare annotation was computed. [2023-11-26 10:48:39,043 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)) [2023-11-26 10:48:39,043 INFO L899 garLoopResultBuilder]: For program point L526-1(line 526) no Hoare annotation was computed. [2023-11-26 10:48:39,043 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)) [2023-11-26 10:48:39,043 INFO L899 garLoopResultBuilder]: For program point L460-1(line 460) no Hoare annotation was computed. [2023-11-26 10:48:39,043 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 416) no Hoare annotation was computed. [2023-11-26 10:48:39,043 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)) [2023-11-26 10:48:39,043 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 479) no Hoare annotation was computed. [2023-11-26 10:48:39,044 INFO L899 garLoopResultBuilder]: For program point L510-1(line 510) no Hoare annotation was computed. [2023-11-26 10:48:39,044 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 533) no Hoare annotation was computed. [2023-11-26 10:48:39,044 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)) [2023-11-26 10:48:39,044 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 483) no Hoare annotation was computed. [2023-11-26 10:48:39,044 INFO L899 garLoopResultBuilder]: For program point L494-1(line 494) no Hoare annotation was computed. [2023-11-26 10:48:39,044 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 232) no Hoare annotation was computed. [2023-11-26 10:48:39,044 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 199) no Hoare annotation was computed. [2023-11-26 10:48:39,044 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 515) no Hoare annotation was computed. [2023-11-26 10:48:39,045 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)) [2023-11-26 10:48:39,045 INFO L899 garLoopResultBuilder]: For program point L495(lines 495 499) no Hoare annotation was computed. [2023-11-26 10:48:39,045 INFO L899 garLoopResultBuilder]: For program point L528-1(line 528) no Hoare annotation was computed. [2023-11-26 10:48:39,045 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)) [2023-11-26 10:48:39,045 INFO L899 garLoopResultBuilder]: For program point L462-1(line 462) no Hoare annotation was computed. [2023-11-26 10:48:39,045 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 514) no Hoare annotation was computed. [2023-11-26 10:48:39,046 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 370) no Hoare annotation was computed. [2023-11-26 10:48:39,046 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 217) no Hoare annotation was computed. [2023-11-26 10:48:39,046 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)) [2023-11-26 10:48:39,046 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 498) no Hoare annotation was computed. [2023-11-26 10:48:39,047 INFO L899 garLoopResultBuilder]: For program point L529-1(line 529) no Hoare annotation was computed. [2023-11-26 10:48:39,047 INFO L899 garLoopResultBuilder]: For program point L463(lines 463 482) no Hoare annotation was computed. [2023-11-26 10:48:39,047 INFO L899 garLoopResultBuilder]: For program point check_returnLabel#1(lines 421 539) no Hoare annotation was computed. [2023-11-26 10:48:39,047 INFO L899 garLoopResultBuilder]: For program point L397(lines 397 416) no Hoare annotation was computed. [2023-11-26 10:48:39,048 INFO L899 garLoopResultBuilder]: For program point L447(lines 447 454) no Hoare annotation was computed. [2023-11-26 10:48:39,048 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 532) no Hoare annotation was computed. [2023-11-26 10:48:39,048 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)) [2023-11-26 10:48:39,048 INFO L899 garLoopResultBuilder]: For program point init_returnLabel#1(lines 192 235) no Hoare annotation was computed. [2023-11-26 10:48:39,048 INFO L899 garLoopResultBuilder]: For program point L464-1(line 464) no Hoare annotation was computed. [2023-11-26 10:48:39,048 INFO L899 garLoopResultBuilder]: For program point Side1_activestandby_task_each_pals_period_returnLabel#1(lines 264 320) no Hoare annotation was computed. [2023-11-26 10:48:39,048 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 202) no Hoare annotation was computed. [2023-11-26 10:48:39,048 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2023-11-26 10:48:39,049 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 57 59) the Hoare annotation is: true [2023-11-26 10:48:39,049 INFO L899 garLoopResultBuilder]: For program point L58-2(lines 57 59) no Hoare annotation was computed. [2023-11-26 10:48:39,049 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 57 59) no Hoare annotation was computed. [2023-11-26 10:48:39,049 INFO L902 garLoopResultBuilder]: At program point L157(line 157) the Hoare annotation is: true [2023-11-26 10:48:39,049 INFO L899 garLoopResultBuilder]: For program point L157-1(line 157) no Hoare annotation was computed. [2023-11-26 10:48:39,049 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 159) no Hoare annotation was computed. [2023-11-26 10:48:39,049 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 159) no Hoare annotation was computed. [2023-11-26 10:48:39,049 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 159) no Hoare annotation was computed. [2023-11-26 10:48:39,049 INFO L899 garLoopResultBuilder]: For program point read_active_side_historyEXIT(lines 143 161) no Hoare annotation was computed. [2023-11-26 10:48:39,050 INFO L899 garLoopResultBuilder]: For program point read_active_side_historyFINAL(lines 143 161) no Hoare annotation was computed. [2023-11-26 10:48:39,050 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 143 161) the Hoare annotation is: true [2023-11-26 10:48:39,053 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-26 10:48:39,056 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:48:39,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:48:39 BoogieIcfgContainer [2023-11-26 10:48:39,072 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:48:39,073 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:48:39,073 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:48:39,073 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:48:39,073 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:48:32" (3/4) ... [2023-11-26 10:48:39,075 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 10:48:39,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_manual_selection_history [2023-11-26 10:48:39,079 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flip_the_side [2023-11-26 10:48:39,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side2_failed_history [2023-11-26 10:48:39,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2023-11-26 10:48:39,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side1_failed_history [2023-11-26 10:48:39,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-26 10:48:39,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_active_side_history [2023-11-26 10:48:39,109 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2023-11-26 10:48:39,111 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-26 10:48:39,112 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 10:48:39,114 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 10:48:39,330 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:48:39,331 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 10:48:39,331 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:48:39,332 INFO L158 Benchmark]: Toolchain (without parser) took 8666.93ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 111.6MB in the beginning and 118.1MB in the end (delta: -6.5MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2023-11-26 10:48:39,332 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 119.5MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:48:39,332 INFO L158 Benchmark]: CACSL2BoogieTranslator took 477.34ms. Allocated memory is still 146.8MB. Free memory was 111.5MB in the beginning and 110.5MB in the end (delta: 960.9kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 10:48:39,333 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.28ms. Allocated memory is still 146.8MB. Free memory was 110.5MB in the beginning and 107.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:48:39,333 INFO L158 Benchmark]: Boogie Preprocessor took 79.04ms. Allocated memory is still 146.8MB. Free memory was 107.0MB in the beginning and 102.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:48:39,333 INFO L158 Benchmark]: RCFGBuilder took 992.68ms. Allocated memory is still 146.8MB. Free memory was 102.8MB in the beginning and 62.3MB in the end (delta: 40.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-26 10:48:39,334 INFO L158 Benchmark]: TraceAbstraction took 6787.60ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 61.6MB in the beginning and 129.6MB in the end (delta: -68.0MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2023-11-26 10:48:39,335 INFO L158 Benchmark]: Witness Printer took 258.58ms. Allocated memory is still 176.2MB. Free memory was 129.6MB in the beginning and 118.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 10:48:39,338 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 119.5MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 477.34ms. Allocated memory is still 146.8MB. Free memory was 111.5MB in the beginning and 110.5MB in the end (delta: 960.9kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.28ms. Allocated memory is still 146.8MB. Free memory was 110.5MB in the beginning and 107.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.04ms. Allocated memory is still 146.8MB. Free memory was 107.0MB in the beginning and 102.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 992.68ms. Allocated memory is still 146.8MB. Free memory was 102.8MB in the beginning and 62.3MB in the end (delta: 40.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6787.60ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 61.6MB in the beginning and 129.6MB in the end (delta: -68.0MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. * Witness Printer took 258.58ms. Allocated memory is still 176.2MB. Free memory was 129.6MB in the beginning and 118.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. 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, 173 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 6.7s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1649 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1547 mSDsluCounter, 5122 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3621 mSDsCounter, 89 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 430 IncrementalHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 89 mSolverCounterUnsat, 1501 mSDtfsCounter, 430 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 656 GetRequests, 607 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=294occurred 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 3 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: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 840 NumberOfCodeBlocks, 840 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 952 ConstructedInterpolants, 0 QuantifiedInterpolants, 1534 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2045 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 238/312 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! [2023-11-26 10:48:39,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4bada23-6678-4c10-a087-df914d1a2a82/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE