./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/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_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/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 64bit --witnessprinter.graph.data.programhash b7b42d40a01333bd7cf600d1931e5c326b61c631d3a1040aaad3e0a3658ee3cf --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:00:35,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:00:35,497 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 12:00:35,504 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:00:35,505 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:00:35,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:00:35,555 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:00:35,556 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:00:35,557 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:00:35,557 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:00:35,558 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:00:35,559 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:00:35,560 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:00:35,560 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:00:35,561 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:00:35,562 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:00:35,562 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:00:35,563 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:00:35,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:00:35,564 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:00:35,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:00:35,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:00:35,566 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 12:00:35,567 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:00:35,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:00:35,568 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:00:35,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:00:35,569 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:00:35,569 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:00:35,570 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:00:35,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:00:35,571 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:00:35,571 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:00:35,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:00:35,572 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:00:35,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:00:35,572 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:00:35,573 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:00:35,573 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:00:35,573 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:00:35,574 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:00:35,574 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_38f28618-ef51-49c5-8487-651a318e19c4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7b42d40a01333bd7cf600d1931e5c326b61c631d3a1040aaad3e0a3658ee3cf [2023-11-26 12:00:35,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:00:35,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:00:35,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:00:35,951 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:00:35,952 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:00:35,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2023-11-26 12:00:39,002 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:00:39,479 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:00:39,480 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2023-11-26 12:00:39,514 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/data/7e844eb5d/1f61fcc673c84a1c8dc88f0e821357ad/FLAG689c9a751 [2023-11-26 12:00:39,532 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/data/7e844eb5d/1f61fcc673c84a1c8dc88f0e821357ad [2023-11-26 12:00:39,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:00:39,542 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:00:39,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:39,544 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:00:39,552 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:00:39,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:39" (1/1) ... [2023-11-26 12:00:39,554 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c5cdbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:39, skipping insertion in model container [2023-11-26 12:00:39,554 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:39" (1/1) ... [2023-11-26 12:00:39,635 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:00:40,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:40,576 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:00:40,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:40,901 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:00:40,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:40 WrapperNode [2023-11-26 12:00:40,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:40,903 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:40,904 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:00:40,904 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:00:40,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:40" (1/1) ... [2023-11-26 12:00:40,946 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:40" (1/1) ... [2023-11-26 12:00:41,019 INFO L138 Inliner]: procedures = 99, calls = 349, calls flagged for inlining = 41, calls inlined = 33, statements flattened = 787 [2023-11-26 12:00:41,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:41,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:00:41,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:00:41,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:00:41,035 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:40" (1/1) ... [2023-11-26 12:00:41,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:40" (1/1) ... [2023-11-26 12:00:41,049 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:40" (1/1) ... [2023-11-26 12:00:41,131 INFO L175 MemorySlicer]: Split 221 memory accesses to 6 slices as follows [2, 12, 14, 63, 100, 30]. 45 percent of accesses are in the largest equivalence class. The 195 initializations are split as follows [2, 0, 0, 63, 100, 30]. The 14 writes are split as follows [0, 12, 2, 0, 0, 0]. [2023-11-26 12:00:41,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:40" (1/1) ... [2023-11-26 12:00:41,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:40" (1/1) ... [2023-11-26 12:00:41,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:40" (1/1) ... [2023-11-26 12:00:41,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:40" (1/1) ... [2023-11-26 12:00:41,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:40" (1/1) ... [2023-11-26 12:00:41,226 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:40" (1/1) ... [2023-11-26 12:00:41,237 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:00:41,253 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:00:41,254 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:00:41,254 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:00:41,255 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:40" (1/1) ... [2023-11-26 12:00:41,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:00:41,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:41,311 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:41,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:00:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2023-11-26 12:00:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2023-11-26 12:00:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-26 12:00:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-26 12:00:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 12:00:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 12:00:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 12:00:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 12:00:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 12:00:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 12:00:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-26 12:00:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-26 12:00:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-26 12:00:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-26 12:00:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2023-11-26 12:00:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2023-11-26 12:00:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 12:00:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-26 12:00:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-26 12:00:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:00:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 12:00:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 12:00:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 12:00:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 12:00:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 12:00:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 12:00:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:00:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 12:00:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 12:00:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 12:00:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 12:00:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 12:00:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 12:00:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2023-11-26 12:00:41,370 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2023-11-26 12:00:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:00:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2023-11-26 12:00:41,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2023-11-26 12:00:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 12:00:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 12:00:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 12:00:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 12:00:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 12:00:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 12:00:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-26 12:00:41,371 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-26 12:00:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:00:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 12:00:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 12:00:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 12:00:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 12:00:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 12:00:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2023-11-26 12:00:41,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2023-11-26 12:00:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:00:41,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:00:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-26 12:00:41,373 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-26 12:00:41,674 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:00:41,677 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:00:42,799 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:00:43,015 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:00:43,016 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 12:00:43,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:43 BoogieIcfgContainer [2023-11-26 12:00:43,017 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:00:43,021 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:00:43,021 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:00:43,025 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:00:43,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:00:39" (1/3) ... [2023-11-26 12:00:43,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e591ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:43, skipping insertion in model container [2023-11-26 12:00:43,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:40" (2/3) ... [2023-11-26 12:00:43,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e591ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:43, skipping insertion in model container [2023-11-26 12:00:43,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:43" (3/3) ... [2023-11-26 12:00:43,031 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2023-11-26 12:00:43,056 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:00:43,056 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-11-26 12:00:43,130 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:00:43,137 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;@23f4def2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:00:43,137 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-26 12:00:43,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 159 states, 108 states have (on average 1.5925925925925926) internal successors, (172), 124 states have internal predecessors, (172), 29 states have call successors, (29), 11 states have call predecessors, (29), 11 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-26 12:00:43,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-26 12:00:43,161 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:43,162 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:43,163 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 12:00:43,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:43,176 INFO L85 PathProgramCache]: Analyzing trace with hash 68897414, now seen corresponding path program 1 times [2023-11-26 12:00:43,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:43,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520715856] [2023-11-26 12:00:43,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:43,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:43,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:43,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:43,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520715856] [2023-11-26 12:00:43,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520715856] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:43,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:43,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:00:43,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794944752] [2023-11-26 12:00:43,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:43,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:00:43,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:43,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:00:43,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:00:43,910 INFO L87 Difference]: Start difference. First operand has 159 states, 108 states have (on average 1.5925925925925926) internal successors, (172), 124 states have internal predecessors, (172), 29 states have call successors, (29), 11 states have call predecessors, (29), 11 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12:00:44,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:44,230 INFO L93 Difference]: Finished difference Result 417 states and 628 transitions. [2023-11-26 12:00:44,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:00:44,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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) Word has length 12 [2023-11-26 12:00:44,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:44,246 INFO L225 Difference]: With dead ends: 417 [2023-11-26 12:00:44,246 INFO L226 Difference]: Without dead ends: 229 [2023-11-26 12:00:44,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:00:44,256 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 140 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:44,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 362 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 12:00:44,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2023-11-26 12:00:44,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2023-11-26 12:00:44,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 161 states have (on average 1.5093167701863355) internal successors, (243), 170 states have internal predecessors, (243), 39 states have call successors, (39), 19 states have call predecessors, (39), 19 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2023-11-26 12:00:44,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 321 transitions. [2023-11-26 12:00:44,332 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 321 transitions. Word has length 12 [2023-11-26 12:00:44,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:44,332 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 321 transitions. [2023-11-26 12:00:44,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12:00:44,333 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 321 transitions. [2023-11-26 12:00:44,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-26 12:00:44,336 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:44,336 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:44,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 12:00:44,337 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 12:00:44,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:44,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1910041681, now seen corresponding path program 1 times [2023-11-26 12:00:44,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:44,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533413491] [2023-11-26 12:00:44,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:44,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:44,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 12:00:44,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:44,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533413491] [2023-11-26 12:00:44,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533413491] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:44,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:44,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 12:00:44,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396954617] [2023-11-26 12:00:44,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:44,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:00:44,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:44,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:00:44,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:00:44,603 INFO L87 Difference]: Start difference. First operand 229 states and 321 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 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 12:00:44,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:44,977 INFO L93 Difference]: Finished difference Result 457 states and 641 transitions. [2023-11-26 12:00:44,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:00:44,981 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 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) Word has length 21 [2023-11-26 12:00:44,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:44,993 INFO L225 Difference]: With dead ends: 457 [2023-11-26 12:00:44,993 INFO L226 Difference]: Without dead ends: 453 [2023-11-26 12:00:44,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:00:44,998 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 174 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:45,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 316 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 12:00:45,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2023-11-26 12:00:45,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 447. [2023-11-26 12:00:45,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 321 states have (on average 1.4984423676012462) internal successors, (481), 330 states have internal predecessors, (481), 78 states have call successors, (78), 38 states have call predecessors, (78), 38 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2023-11-26 12:00:45,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 637 transitions. [2023-11-26 12:00:45,116 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 637 transitions. Word has length 21 [2023-11-26 12:00:45,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:45,116 INFO L495 AbstractCegarLoop]: Abstraction has 447 states and 637 transitions. [2023-11-26 12:00:45,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 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 12:00:45,117 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 637 transitions. [2023-11-26 12:00:45,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-26 12:00:45,125 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:45,125 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-26 12:00:45,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 12:00:45,126 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 12:00:45,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:45,131 INFO L85 PathProgramCache]: Analyzing trace with hash 426606233, now seen corresponding path program 1 times [2023-11-26 12:00:45,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:45,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404453510] [2023-11-26 12:00:45,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:45,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:45,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-26 12:00:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:45,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-26 12:00:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:45,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:00:45,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:45,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404453510] [2023-11-26 12:00:45,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404453510] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:45,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:45,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:00:45,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517513451] [2023-11-26 12:00:45,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:45,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:00:45,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:45,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:00:45,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:00:45,376 INFO L87 Difference]: Start difference. First operand 447 states and 637 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 12:00:45,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:45,929 INFO L93 Difference]: Finished difference Result 998 states and 1423 transitions. [2023-11-26 12:00:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:00:45,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2023-11-26 12:00:45,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:45,938 INFO L225 Difference]: With dead ends: 998 [2023-11-26 12:00:45,938 INFO L226 Difference]: Without dead ends: 552 [2023-11-26 12:00:45,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:00:45,943 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 173 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:45,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 522 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-26 12:00:45,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2023-11-26 12:00:45,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 532. [2023-11-26 12:00:45,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 382 states have (on average 1.4842931937172774) internal successors, (567), 391 states have internal predecessors, (567), 92 states have call successors, (92), 48 states have call predecessors, (92), 48 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-11-26 12:00:45,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 751 transitions. [2023-11-26 12:00:45,995 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 751 transitions. Word has length 28 [2023-11-26 12:00:45,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:45,995 INFO L495 AbstractCegarLoop]: Abstraction has 532 states and 751 transitions. [2023-11-26 12:00:45,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 12:00:45,996 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 751 transitions. [2023-11-26 12:00:46,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-26 12:00:46,000 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:46,001 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:46,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 12:00:46,001 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 12:00:46,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:46,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1496499666, now seen corresponding path program 1 times [2023-11-26 12:00:46,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:46,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980558425] [2023-11-26 12:00:46,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:46,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:46,384 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-26 12:00:46,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:46,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980558425] [2023-11-26 12:00:46,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980558425] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:46,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:46,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:00:46,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888301479] [2023-11-26 12:00:46,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:46,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:00:46,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:46,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:00:46,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:00:46,387 INFO L87 Difference]: Start difference. First operand 532 states and 751 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 12:00:46,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:46,994 INFO L93 Difference]: Finished difference Result 1104 states and 1558 transitions. [2023-11-26 12:00:46,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:00:46,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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) Word has length 33 [2023-11-26 12:00:46,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:47,002 INFO L225 Difference]: With dead ends: 1104 [2023-11-26 12:00:47,002 INFO L226 Difference]: Without dead ends: 780 [2023-11-26 12:00:47,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:00:47,012 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 238 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:47,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 675 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-26 12:00:47,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2023-11-26 12:00:47,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 536. [2023-11-26 12:00:47,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 386 states have (on average 1.4792746113989637) internal successors, (571), 395 states have internal predecessors, (571), 92 states have call successors, (92), 48 states have call predecessors, (92), 48 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-11-26 12:00:47,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 755 transitions. [2023-11-26 12:00:47,071 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 755 transitions. Word has length 33 [2023-11-26 12:00:47,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:47,072 INFO L495 AbstractCegarLoop]: Abstraction has 536 states and 755 transitions. [2023-11-26 12:00:47,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 12:00:47,073 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 755 transitions. [2023-11-26 12:00:47,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-26 12:00:47,076 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:47,076 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-26 12:00:47,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 12:00:47,077 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 12:00:47,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:47,078 INFO L85 PathProgramCache]: Analyzing trace with hash 355959190, now seen corresponding path program 1 times [2023-11-26 12:00:47,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:47,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349104043] [2023-11-26 12:00:47,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:47,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:47,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:00:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:47,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-26 12:00:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:47,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-26 12:00:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:47,333 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-26 12:00:47,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:47,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349104043] [2023-11-26 12:00:47,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349104043] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:47,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:47,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:00:47,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161112746] [2023-11-26 12:00:47,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:47,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:00:47,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:47,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:00:47,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:00:47,345 INFO L87 Difference]: Start difference. First operand 536 states and 755 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-26 12:00:47,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:47,892 INFO L93 Difference]: Finished difference Result 1032 states and 1467 transitions. [2023-11-26 12:00:47,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:00:47,893 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 40 [2023-11-26 12:00:47,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:47,900 INFO L225 Difference]: With dead ends: 1032 [2023-11-26 12:00:47,900 INFO L226 Difference]: Without dead ends: 584 [2023-11-26 12:00:47,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:00:47,903 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 26 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:47,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 386 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-26 12:00:47,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2023-11-26 12:00:47,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 564. [2023-11-26 12:00:47,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 408 states have (on average 1.4583333333333333) internal successors, (595), 417 states have internal predecessors, (595), 98 states have call successors, (98), 48 states have call predecessors, (98), 48 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2023-11-26 12:00:47,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 791 transitions. [2023-11-26 12:00:47,977 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 791 transitions. Word has length 40 [2023-11-26 12:00:47,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:47,978 INFO L495 AbstractCegarLoop]: Abstraction has 564 states and 791 transitions. [2023-11-26 12:00:47,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-26 12:00:47,979 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 791 transitions. [2023-11-26 12:00:47,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-26 12:00:47,981 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:47,982 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-26 12:00:47,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 12:00:47,982 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 12:00:47,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:47,983 INFO L85 PathProgramCache]: Analyzing trace with hash -871649202, now seen corresponding path program 1 times [2023-11-26 12:00:47,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:47,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681714130] [2023-11-26 12:00:47,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:47,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:48,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:00:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:48,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-26 12:00:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:48,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-26 12:00:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:48,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-26 12:00:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:48,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 12:00:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:48,409 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-26 12:00:48,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:48,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681714130] [2023-11-26 12:00:48,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681714130] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:48,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:48,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:00:48,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922288709] [2023-11-26 12:00:48,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:48,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:00:48,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:48,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:00:48,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:00:48,413 INFO L87 Difference]: Start difference. First operand 564 states and 791 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-26 12:00:49,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:49,097 INFO L93 Difference]: Finished difference Result 1064 states and 1497 transitions. [2023-11-26 12:00:49,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:00:49,098 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 51 [2023-11-26 12:00:49,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:49,104 INFO L225 Difference]: With dead ends: 1064 [2023-11-26 12:00:49,105 INFO L226 Difference]: Without dead ends: 588 [2023-11-26 12:00:49,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:00:49,107 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 20 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:49,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 517 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-26 12:00:49,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2023-11-26 12:00:49,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 566. [2023-11-26 12:00:49,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 410 states have (on average 1.4560975609756097) internal successors, (597), 419 states have internal predecessors, (597), 98 states have call successors, (98), 48 states have call predecessors, (98), 48 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2023-11-26 12:00:49,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 793 transitions. [2023-11-26 12:00:49,158 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 793 transitions. Word has length 51 [2023-11-26 12:00:49,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:49,160 INFO L495 AbstractCegarLoop]: Abstraction has 566 states and 793 transitions. [2023-11-26 12:00:49,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-26 12:00:49,160 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 793 transitions. [2023-11-26 12:00:49,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-26 12:00:49,162 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:49,163 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:49,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 12:00:49,163 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 12:00:49,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:49,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1652506318, now seen corresponding path program 1 times [2023-11-26 12:00:49,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:49,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405395998] [2023-11-26 12:00:49,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:49,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:49,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:00:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:49,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-26 12:00:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:49,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-26 12:00:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:49,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-26 12:00:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:49,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-26 12:00:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:49,638 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-26 12:00:49,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:49,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405395998] [2023-11-26 12:00:49,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405395998] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:00:49,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822997785] [2023-11-26 12:00:49,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:49,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:49,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:49,648 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:49,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 12:00:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:50,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 12:00:50,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:50,306 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-26 12:00:50,306 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:50,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822997785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:50,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:00:50,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-26 12:00:50,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709902477] [2023-11-26 12:00:50,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:50,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:00:50,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:50,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:00:50,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:00:50,309 INFO L87 Difference]: Start difference. First operand 566 states and 793 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-26 12:00:50,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:50,728 INFO L93 Difference]: Finished difference Result 1050 states and 1477 transitions. [2023-11-26 12:00:50,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:00:50,729 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 56 [2023-11-26 12:00:50,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:50,735 INFO L225 Difference]: With dead ends: 1050 [2023-11-26 12:00:50,735 INFO L226 Difference]: Without dead ends: 572 [2023-11-26 12:00:50,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:00:50,738 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 12 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:50,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 464 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 12:00:50,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2023-11-26 12:00:50,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 570. [2023-11-26 12:00:50,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 416 states have (on average 1.4399038461538463) internal successors, (599), 423 states have internal predecessors, (599), 98 states have call successors, (98), 48 states have call predecessors, (98), 48 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2023-11-26 12:00:50,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 795 transitions. [2023-11-26 12:00:50,786 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 795 transitions. Word has length 56 [2023-11-26 12:00:50,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:50,787 INFO L495 AbstractCegarLoop]: Abstraction has 570 states and 795 transitions. [2023-11-26 12:00:50,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-26 12:00:50,787 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 795 transitions. [2023-11-26 12:00:50,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-26 12:00:50,789 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:50,790 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:50,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-26 12:00:51,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-26 12:00:51,001 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 12:00:51,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:51,001 INFO L85 PathProgramCache]: Analyzing trace with hash 311911858, now seen corresponding path program 1 times [2023-11-26 12:00:51,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:51,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719078996] [2023-11-26 12:00:51,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:51,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:51,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:00:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:51,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-26 12:00:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:51,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-26 12:00:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:51,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-26 12:00:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:51,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-26 12:00:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:51,270 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-26 12:00:51,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:51,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719078996] [2023-11-26 12:00:51,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719078996] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:51,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:51,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:00:51,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090505585] [2023-11-26 12:00:51,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:51,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:00:51,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:51,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:00:51,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:00:51,274 INFO L87 Difference]: Start difference. First operand 570 states and 795 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 12:00:51,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:51,700 INFO L93 Difference]: Finished difference Result 592 states and 829 transitions. [2023-11-26 12:00:51,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:00:51,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 57 [2023-11-26 12:00:51,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:51,705 INFO L225 Difference]: With dead ends: 592 [2023-11-26 12:00:51,706 INFO L226 Difference]: Without dead ends: 590 [2023-11-26 12:00:51,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:00:51,708 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 24 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:51,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 373 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 12:00:51,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2023-11-26 12:00:51,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 564. [2023-11-26 12:00:51,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 412 states have (on average 1.4296116504854368) internal successors, (589), 417 states have internal predecessors, (589), 98 states have call successors, (98), 48 states have call predecessors, (98), 48 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2023-11-26 12:00:51,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 785 transitions. [2023-11-26 12:00:51,750 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 785 transitions. Word has length 57 [2023-11-26 12:00:51,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:51,750 INFO L495 AbstractCegarLoop]: Abstraction has 564 states and 785 transitions. [2023-11-26 12:00:51,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 12:00:51,751 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 785 transitions. [2023-11-26 12:00:51,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-26 12:00:51,754 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:51,754 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-11-26 12:00:51,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 12:00:51,755 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 12:00:51,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:51,755 INFO L85 PathProgramCache]: Analyzing trace with hash 982523122, now seen corresponding path program 1 times [2023-11-26 12:00:51,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:51,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646042082] [2023-11-26 12:00:51,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:51,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:52,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:00:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:52,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-26 12:00:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:52,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-26 12:00:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:52,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-26 12:00:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:52,043 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-26 12:00:52,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:52,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646042082] [2023-11-26 12:00:52,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646042082] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:00:52,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922119065] [2023-11-26 12:00:52,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:52,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:52,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:52,045 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:52,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 12:00:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:52,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:00:52,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:52,484 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-26 12:00:52,484 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:52,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922119065] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:52,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:00:52,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-26 12:00:52,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595455467] [2023-11-26 12:00:52,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:52,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:00:52,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:52,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:00:52,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:00:52,487 INFO L87 Difference]: Start difference. First operand 564 states and 785 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-26 12:00:52,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:52,720 INFO L93 Difference]: Finished difference Result 905 states and 1262 transitions. [2023-11-26 12:00:52,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:00:52,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 60 [2023-11-26 12:00:52,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:52,726 INFO L225 Difference]: With dead ends: 905 [2023-11-26 12:00:52,726 INFO L226 Difference]: Without dead ends: 569 [2023-11-26 12:00:52,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:00:52,728 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 4 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:52,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 314 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 12:00:52,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2023-11-26 12:00:52,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 569. [2023-11-26 12:00:52,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 416 states have (on average 1.4278846153846154) internal successors, (594), 421 states have internal predecessors, (594), 99 states have call successors, (99), 48 states have call predecessors, (99), 48 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2023-11-26 12:00:52,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 792 transitions. [2023-11-26 12:00:52,777 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 792 transitions. Word has length 60 [2023-11-26 12:00:52,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:52,778 INFO L495 AbstractCegarLoop]: Abstraction has 569 states and 792 transitions. [2023-11-26 12:00:52,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-26 12:00:52,779 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 792 transitions. [2023-11-26 12:00:52,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-26 12:00:52,781 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:52,781 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-11-26 12:00:52,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:52,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:52,994 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 12:00:52,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:52,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1294988241, now seen corresponding path program 1 times [2023-11-26 12:00:52,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:52,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879915652] [2023-11-26 12:00:52,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:52,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:53,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:00:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:53,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-26 12:00:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:53,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-26 12:00:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:53,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-26 12:00:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:53,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-26 12:00:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:53,320 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-26 12:00:53,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:53,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879915652] [2023-11-26 12:00:53,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879915652] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:00:53,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143708674] [2023-11-26 12:00:53,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:53,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:53,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:53,325 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:53,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 12:00:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:53,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 1195 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:00:53,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:53,840 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-26 12:00:53,840 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:53,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143708674] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:53,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:00:53,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2023-11-26 12:00:53,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008311185] [2023-11-26 12:00:53,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:53,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:00:53,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:53,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:00:53,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:00:53,844 INFO L87 Difference]: Start difference. First operand 569 states and 792 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 12:00:54,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:54,089 INFO L93 Difference]: Finished difference Result 569 states and 792 transitions. [2023-11-26 12:00:54,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:00:54,090 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64 [2023-11-26 12:00:54,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:54,095 INFO L225 Difference]: With dead ends: 569 [2023-11-26 12:00:54,095 INFO L226 Difference]: Without dead ends: 568 [2023-11-26 12:00:54,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:00:54,096 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 2 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:54,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 311 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 12:00:54,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2023-11-26 12:00:54,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 568. [2023-11-26 12:00:54,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 416 states have (on average 1.4230769230769231) internal successors, (592), 420 states have internal predecessors, (592), 99 states have call successors, (99), 48 states have call predecessors, (99), 48 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2023-11-26 12:00:54,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 790 transitions. [2023-11-26 12:00:54,140 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 790 transitions. Word has length 64 [2023-11-26 12:00:54,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:54,141 INFO L495 AbstractCegarLoop]: Abstraction has 568 states and 790 transitions. [2023-11-26 12:00:54,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-26 12:00:54,141 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 790 transitions. [2023-11-26 12:00:54,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-26 12:00:54,144 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:54,144 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2023-11-26 12:00:54,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-26 12:00:54,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-26 12:00:54,353 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 12:00:54,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:54,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1598674428, now seen corresponding path program 1 times [2023-11-26 12:00:54,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:54,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545751151] [2023-11-26 12:00:54,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:54,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:54,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:00:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:54,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-26 12:00:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:54,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-26 12:00:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:54,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-26 12:00:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:54,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-26 12:00:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:54,674 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-26 12:00:54,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:54,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545751151] [2023-11-26 12:00:54,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545751151] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:00:54,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132647003] [2023-11-26 12:00:54,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:54,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:54,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:54,677 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:54,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 12:00:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:55,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 12:00:55,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:55,217 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-26 12:00:55,218 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:00:55,281 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-26 12:00:55,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132647003] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:00:55,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 12:00:55,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2023-11-26 12:00:55,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536519312] [2023-11-26 12:00:55,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 12:00:55,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 12:00:55,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:55,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:00:55,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:00:55,285 INFO L87 Difference]: Start difference. First operand 568 states and 790 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 5 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2023-11-26 12:00:55,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:55,990 INFO L93 Difference]: Finished difference Result 1114 states and 1551 transitions. [2023-11-26 12:00:55,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 12:00:55,991 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 5 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 67 [2023-11-26 12:00:55,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:55,996 INFO L225 Difference]: With dead ends: 1114 [2023-11-26 12:00:55,997 INFO L226 Difference]: Without dead ends: 634 [2023-11-26 12:00:55,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 140 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:00:55,999 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 44 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:56,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 505 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-26 12:00:56,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2023-11-26 12:00:56,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 594. [2023-11-26 12:00:56,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 438 states have (on average 1.4063926940639269) internal successors, (616), 442 states have internal predecessors, (616), 103 states have call successors, (103), 48 states have call predecessors, (103), 48 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2023-11-26 12:00:56,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 822 transitions. [2023-11-26 12:00:56,048 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 822 transitions. Word has length 67 [2023-11-26 12:00:56,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:56,048 INFO L495 AbstractCegarLoop]: Abstraction has 594 states and 822 transitions. [2023-11-26 12:00:56,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 5 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2023-11-26 12:00:56,049 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 822 transitions. [2023-11-26 12:00:56,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-26 12:00:56,051 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:56,051 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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 12:00:56,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:56,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:56,260 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 12:00:56,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:56,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1813974500, now seen corresponding path program 1 times [2023-11-26 12:00:56,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:56,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815158373] [2023-11-26 12:00:56,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:56,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:56,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:00:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:56,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-26 12:00:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:56,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-26 12:00:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:56,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-26 12:00:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:56,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-26 12:00:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:56,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-26 12:00:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:56,612 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-26 12:00:56,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:56,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815158373] [2023-11-26 12:00:56,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815158373] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:00:56,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516805181] [2023-11-26 12:00:56,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:56,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:56,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:56,615 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:56,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 12:00:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:57,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 1239 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 12:00:57,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:57,287 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-26 12:00:57,287 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:57,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1516805181] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:57,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:00:57,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 7 [2023-11-26 12:00:57,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299764712] [2023-11-26 12:00:57,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:57,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:00:57,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:57,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:00:57,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:00:57,290 INFO L87 Difference]: Start difference. First operand 594 states and 822 transitions. Second operand has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-26 12:00:57,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:57,770 INFO L93 Difference]: Finished difference Result 747 states and 1034 transitions. [2023-11-26 12:00:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:00:57,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 71 [2023-11-26 12:00:57,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:57,776 INFO L225 Difference]: With dead ends: 747 [2023-11-26 12:00:57,776 INFO L226 Difference]: Without dead ends: 745 [2023-11-26 12:00:57,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:00:57,778 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 304 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:57,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 391 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 12:00:57,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2023-11-26 12:00:57,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 592. [2023-11-26 12:00:57,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 438 states have (on average 1.4018264840182648) internal successors, (614), 440 states have internal predecessors, (614), 103 states have call successors, (103), 48 states have call predecessors, (103), 48 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2023-11-26 12:00:57,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 820 transitions. [2023-11-26 12:00:57,822 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 820 transitions. Word has length 71 [2023-11-26 12:00:57,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:57,822 INFO L495 AbstractCegarLoop]: Abstraction has 592 states and 820 transitions. [2023-11-26 12:00:57,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-26 12:00:57,823 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 820 transitions. [2023-11-26 12:00:57,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-26 12:00:57,825 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:57,825 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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 12:00:57,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-26 12:00:58,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-26 12:00:58,043 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 12:00:58,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:58,043 INFO L85 PathProgramCache]: Analyzing trace with hash -398634408, now seen corresponding path program 1 times [2023-11-26 12:00:58,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:58,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331615995] [2023-11-26 12:00:58,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:58,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:58,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:00:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:58,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-26 12:00:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:58,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-26 12:00:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:58,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-26 12:00:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:58,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-26 12:00:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:58,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-26 12:00:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:58,368 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-26 12:00:58,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:58,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331615995] [2023-11-26 12:00:58,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331615995] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:00:58,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696785978] [2023-11-26 12:00:58,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:58,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:58,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:58,371 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:58,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 12:00:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:58,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 1240 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 12:00:58,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:59,115 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-26 12:00:59,116 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:00:59,269 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-26 12:00:59,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696785978] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:00:59,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 12:00:59,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 3] total 9 [2023-11-26 12:00:59,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426182077] [2023-11-26 12:00:59,270 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 12:00:59,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-26 12:00:59,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:59,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-26 12:00:59,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-26 12:00:59,273 INFO L87 Difference]: Start difference. First operand 592 states and 820 transitions. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 8 states have internal predecessors, (154), 6 states have call successors, (18), 4 states have call predecessors, (18), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2023-11-26 12:01:00,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:01:00,784 INFO L93 Difference]: Finished difference Result 1490 states and 2084 transitions. [2023-11-26 12:01:00,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 12:01:00,786 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 8 states have internal predecessors, (154), 6 states have call successors, (18), 4 states have call predecessors, (18), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 72 [2023-11-26 12:01:00,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:01:00,797 INFO L225 Difference]: With dead ends: 1490 [2023-11-26 12:01:00,797 INFO L226 Difference]: Without dead ends: 1139 [2023-11-26 12:01:00,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2023-11-26 12:01:00,800 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 668 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:01:00,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 679 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-26 12:01:00,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2023-11-26 12:01:00,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 949. [2023-11-26 12:01:00,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 704 states have (on average 1.3977272727272727) internal successors, (984), 705 states have internal predecessors, (984), 166 states have call successors, (166), 77 states have call predecessors, (166), 77 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) [2023-11-26 12:01:00,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1316 transitions. [2023-11-26 12:01:00,921 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1316 transitions. Word has length 72 [2023-11-26 12:01:00,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:01:00,922 INFO L495 AbstractCegarLoop]: Abstraction has 949 states and 1316 transitions. [2023-11-26 12:01:00,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 8 states have internal predecessors, (154), 6 states have call successors, (18), 4 states have call predecessors, (18), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2023-11-26 12:01:00,922 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1316 transitions. [2023-11-26 12:01:00,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-26 12:01:00,926 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:01:00,926 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-26 12:01:00,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-26 12:01:01,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-26 12:01:01,137 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 12:01:01,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:01,138 INFO L85 PathProgramCache]: Analyzing trace with hash 143215253, now seen corresponding path program 1 times [2023-11-26 12:01:01,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:01,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247345553] [2023-11-26 12:01:01,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:01,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:01,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:01:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:01,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-26 12:01:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:01,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-26 12:01:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:01,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-26 12:01:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:01,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-26 12:01:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:01,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-26 12:01:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:01,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-26 12:01:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:01,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-26 12:01:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:01,413 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-26 12:01:01,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:01,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247345553] [2023-11-26 12:01:01,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247345553] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:01,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:01,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:01:01,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387349083] [2023-11-26 12:01:01,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:01,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:01:01,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:01,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:01:01,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:01:01,417 INFO L87 Difference]: Start difference. First operand 949 states and 1316 transitions. Second operand has 4 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 12:01:01,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:01:01,998 INFO L93 Difference]: Finished difference Result 981 states and 1370 transitions. [2023-11-26 12:01:01,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:01:01,999 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 83 [2023-11-26 12:01:01,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:01:02,008 INFO L225 Difference]: With dead ends: 981 [2023-11-26 12:01:02,008 INFO L226 Difference]: Without dead ends: 980 [2023-11-26 12:01:02,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:01:02,010 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 17 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-26 12:01:02,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 375 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-26 12:01:02,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2023-11-26 12:01:02,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 940. [2023-11-26 12:01:02,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 940 states, 698 states have (on average 1.3982808022922637) internal successors, (976), 698 states have internal predecessors, (976), 164 states have call successors, (164), 77 states have call predecessors, (164), 77 states have return successors, (164), 164 states have call predecessors, (164), 164 states have call successors, (164) [2023-11-26 12:01:02,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1304 transitions. [2023-11-26 12:01:02,090 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1304 transitions. Word has length 83 [2023-11-26 12:01:02,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:01:02,091 INFO L495 AbstractCegarLoop]: Abstraction has 940 states and 1304 transitions. [2023-11-26 12:01:02,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 12:01:02,091 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1304 transitions. [2023-11-26 12:01:02,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-26 12:01:02,096 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:01:02,096 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:01:02,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-26 12:01:02,097 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 12:01:02,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:02,098 INFO L85 PathProgramCache]: Analyzing trace with hash -570240318, now seen corresponding path program 1 times [2023-11-26 12:01:02,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:02,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658175077] [2023-11-26 12:01:02,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:02,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:02,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:01:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:02,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-26 12:01:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:02,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-26 12:01:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:02,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-26 12:01:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:02,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-26 12:01:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:02,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-26 12:01:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:02,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-26 12:01:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:02,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-26 12:01:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:02,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-26 12:01:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:02,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-26 12:01:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:02,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-26 12:01:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:02,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-26 12:01:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:02,668 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-26 12:01:02,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:02,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658175077] [2023-11-26 12:01:02,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658175077] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:02,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:02,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:01:02,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432068379] [2023-11-26 12:01:02,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:02,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:01:02,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:02,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:01:02,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:01:02,671 INFO L87 Difference]: Start difference. First operand 940 states and 1304 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (8), 2 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 12:01:03,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:01:03,333 INFO L93 Difference]: Finished difference Result 1642 states and 2285 transitions. [2023-11-26 12:01:03,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:01:03,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (8), 2 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 130 [2023-11-26 12:01:03,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:01:03,341 INFO L225 Difference]: With dead ends: 1642 [2023-11-26 12:01:03,341 INFO L226 Difference]: Without dead ends: 790 [2023-11-26 12:01:03,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:01:03,345 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 141 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-26 12:01:03,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 533 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-26 12:01:03,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2023-11-26 12:01:03,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 766. [2023-11-26 12:01:03,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 574 states have (on average 1.3763066202090593) internal successors, (790), 574 states have internal predecessors, (790), 132 states have call successors, (132), 59 states have call predecessors, (132), 59 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2023-11-26 12:01:03,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1054 transitions. [2023-11-26 12:01:03,427 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1054 transitions. Word has length 130 [2023-11-26 12:01:03,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:01:03,427 INFO L495 AbstractCegarLoop]: Abstraction has 766 states and 1054 transitions. [2023-11-26 12:01:03,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (8), 2 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 12:01:03,428 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1054 transitions. [2023-11-26 12:01:03,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-26 12:01:03,432 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:01:03,433 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1] [2023-11-26 12:01:03,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-26 12:01:03,433 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-26 12:01:03,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:03,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1927760654, now seen corresponding path program 2 times [2023-11-26 12:01:03,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:03,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332166863] [2023-11-26 12:01:03,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:03,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:03,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 12:01:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:03,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-26 12:01:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:03,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-26 12:01:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:03,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-26 12:01:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:03,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-26 12:01:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:03,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-26 12:01:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:03,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-26 12:01:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:03,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-26 12:01:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:03,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-26 12:01:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:03,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-26 12:01:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:03,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-26 12:01:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:03,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-26 12:01:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:03,987 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-26 12:01:03,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:03,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332166863] [2023-11-26 12:01:03,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332166863] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:03,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:03,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:01:03,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884669732] [2023-11-26 12:01:03,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:03,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:01:03,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:03,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:01:03,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:01:03,991 INFO L87 Difference]: Start difference. First operand 766 states and 1054 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (8), 2 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 12:01:04,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:01:04,536 INFO L93 Difference]: Finished difference Result 1037 states and 1429 transitions. [2023-11-26 12:01:04,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:01:04,537 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (8), 2 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 148 [2023-11-26 12:01:04,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:01:04,537 INFO L225 Difference]: With dead ends: 1037 [2023-11-26 12:01:04,538 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 12:01:04,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:01:04,543 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 152 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-26 12:01:04,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 474 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-26 12:01:04,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 12:01:04,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 12:01:04,545 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 12:01:04,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 12:01:04,546 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 148 [2023-11-26 12:01:04,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:01:04,547 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 12:01:04,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (8), 2 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 12:01:04,547 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 12:01:04,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 12:01:04,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2023-11-26 12:01:04,552 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2023-11-26 12:01:04,552 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2023-11-26 12:01:04,552 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2023-11-26 12:01:04,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2023-11-26 12:01:04,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2023-11-26 12:01:04,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2023-11-26 12:01:04,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2023-11-26 12:01:04,554 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2023-11-26 12:01:04,554 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2023-11-26 12:01:04,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-26 12:01:04,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 12:01:06,070 INFO L899 garLoopResultBuilder]: For program point L2945(lines 2945 2948) no Hoare annotation was computed. [2023-11-26 12:01:06,070 INFO L899 garLoopResultBuilder]: For program point ldv_mutex_lock_mtx_of_isl_pmicEXIT(lines 2942 2952) no Hoare annotation was computed. [2023-11-26 12:01:06,070 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2942 2952) the Hoare annotation is: true [2023-11-26 12:01:06,070 INFO L899 garLoopResultBuilder]: For program point L2947-1(lines 2945 2948) no Hoare annotation was computed. [2023-11-26 12:01:06,070 INFO L902 garLoopResultBuilder]: At program point L2947(line 2947) the Hoare annotation is: true [2023-11-26 12:01:06,070 INFO L899 garLoopResultBuilder]: For program point regulator_list_voltage_linearEXIT(lines 3204 3206) no Hoare annotation was computed. [2023-11-26 12:01:06,071 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3204 3206) the Hoare annotation is: true [2023-11-26 12:01:06,071 INFO L899 garLoopResultBuilder]: For program point dev_errEXIT(lines 3149 3151) no Hoare annotation was computed. [2023-11-26 12:01:06,071 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3149 3151) the Hoare annotation is: true [2023-11-26 12:01:06,071 INFO L899 garLoopResultBuilder]: For program point mutex_unlockEXIT(lines 3197 3199) no Hoare annotation was computed. [2023-11-26 12:01:06,071 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3197 3199) the Hoare annotation is: true [2023-11-26 12:01:06,071 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 2684 2689) the Hoare annotation is: true [2023-11-26 12:01:06,071 INFO L899 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2023-11-26 12:01:06,071 INFO L899 garLoopResultBuilder]: For program point L12-2(line 12) no Hoare annotation was computed. [2023-11-26 12:01:06,071 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 2684 2689) no Hoare annotation was computed. [2023-11-26 12:01:06,071 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3214 3216) the Hoare annotation is: true [2023-11-26 12:01:06,071 INFO L899 garLoopResultBuilder]: For program point regulator_unregisterEXIT(lines 3214 3216) no Hoare annotation was computed. [2023-11-26 12:01:06,072 INFO L899 garLoopResultBuilder]: For program point L3005-1(lines 3003 3006) no Hoare annotation was computed. [2023-11-26 12:01:06,072 INFO L902 garLoopResultBuilder]: At program point L3005(line 3005) the Hoare annotation is: true [2023-11-26 12:01:06,072 INFO L899 garLoopResultBuilder]: For program point ldv_mutex_unlock_mtx_of_isl_pmicEXIT(lines 3000 3010) no Hoare annotation was computed. [2023-11-26 12:01:06,072 INFO L899 garLoopResultBuilder]: For program point L3003(lines 3003 3006) no Hoare annotation was computed. [2023-11-26 12:01:06,072 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3000 3010) the Hoare annotation is: true [2023-11-26 12:01:06,072 INFO L902 garLoopResultBuilder]: At program point L3162(line 3162) the Hoare annotation is: true [2023-11-26 12:01:06,072 INFO L899 garLoopResultBuilder]: For program point L3160(line 3160) no Hoare annotation was computed. [2023-11-26 12:01:06,072 INFO L899 garLoopResultBuilder]: For program point L3162-1(line 3162) no Hoare annotation was computed. [2023-11-26 12:01:06,072 INFO L899 garLoopResultBuilder]: For program point L3156(line 3156) no Hoare annotation was computed. [2023-11-26 12:01:06,072 INFO L899 garLoopResultBuilder]: For program point L3155(lines 3155 3157) no Hoare annotation was computed. [2023-11-26 12:01:06,072 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 3158 3164) no Hoare annotation was computed. [2023-11-26 12:01:06,073 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 3158 3164) the Hoare annotation is: (let ((.cse0 (< ~ref_cnt~0 0)) (.cse1 (< 0 ~ref_cnt~0)) (.cse2 (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) (.cse3 (not (= ~ldv_state_variable_0~0 3)))) (and (or (not (= ~ldv_state_variable_1~0 0)) .cse0 .cse1 .cse2) (or .cse0 (not (= ~ldv_state_variable_1~0 1)) .cse1 .cse2 .cse3) (or (not (= ~ldv_state_variable_1~0 2)) .cse2 .cse3 (< 1 ~ref_cnt~0) (< ~ref_cnt~0 1)))) [2023-11-26 12:01:06,073 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 3158 3164) no Hoare annotation was computed. [2023-11-26 12:01:06,073 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3190 3192) the Hoare annotation is: true [2023-11-26 12:01:06,073 INFO L899 garLoopResultBuilder]: For program point mutex_lockEXIT(lines 3190 3192) no Hoare annotation was computed. [2023-11-26 12:01:06,073 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2368) no Hoare annotation was computed. [2023-11-26 12:01:06,074 INFO L895 garLoopResultBuilder]: At program point L2678(line 2678) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 3)) (.cse1 (= ~ref_cnt~0 0))) (or (and (= ~ldv_state_variable_1~0 2) (= ~ref_cnt~0 1) .cse0) (and (= ~ldv_state_variable_1~0 1) .cse1 .cse0) (and (= ~ldv_state_variable_1~0 0) .cse1))) [2023-11-26 12:01:06,074 INFO L895 garLoopResultBuilder]: At program point L2678-1(line 2678) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 3)) (.cse1 (= ~ref_cnt~0 0))) (or (and (= ~ldv_state_variable_1~0 2) (= ~ref_cnt~0 1) .cse0) (and (= ~ldv_state_variable_1~0 1) .cse1 .cse0) (and (= ~ldv_state_variable_1~0 0) .cse1))) [2023-11-26 12:01:06,074 INFO L899 garLoopResultBuilder]: For program point L2249(line 2249) no Hoare annotation was computed. [2023-11-26 12:01:06,074 INFO L895 garLoopResultBuilder]: At program point L2662(line 2662) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 3)) (.cse1 (= ~ref_cnt~0 0))) (or (and (= ~ldv_state_variable_1~0 2) (= ~ref_cnt~0 1) .cse0) (and (= ~ldv_state_variable_1~0 1) .cse1 .cse0) (and (= ~ldv_state_variable_1~0 0) .cse1))) [2023-11-26 12:01:06,074 INFO L899 garLoopResultBuilder]: For program point L2249-2(line 2249) no Hoare annotation was computed. [2023-11-26 12:01:06,074 INFO L899 garLoopResultBuilder]: For program point L2249-4(line 2249) no Hoare annotation was computed. [2023-11-26 12:01:06,074 INFO L895 garLoopResultBuilder]: At program point L2662-1(line 2662) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 3)) (.cse1 (= ~ref_cnt~0 0))) (or (and (= ~ldv_state_variable_1~0 2) (= ~ref_cnt~0 1) .cse0) (and (= ~ldv_state_variable_1~0 1) .cse1 .cse0) (and (= ~ldv_state_variable_1~0 0) .cse1))) [2023-11-26 12:01:06,075 INFO L895 garLoopResultBuilder]: At program point L2530(line 2530) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 3)) (.cse1 (= ~ref_cnt~0 0))) (or (and (= ~ldv_state_variable_1~0 2) (= ~ref_cnt~0 1) .cse0) (and (= ~ldv_state_variable_1~0 1) .cse1 .cse0) (and (= ~ldv_state_variable_1~0 0) .cse1))) [2023-11-26 12:01:06,075 INFO L899 garLoopResultBuilder]: For program point L2563-1(line 2563) no Hoare annotation was computed. [2023-11-26 12:01:06,075 INFO L899 garLoopResultBuilder]: For program point L2563(line 2563) no Hoare annotation was computed. [2023-11-26 12:01:06,075 INFO L899 garLoopResultBuilder]: For program point L2563-3(line 2563) no Hoare annotation was computed. [2023-11-26 12:01:06,075 INFO L899 garLoopResultBuilder]: For program point L2530-1(line 2530) no Hoare annotation was computed. [2023-11-26 12:01:06,075 INFO L899 garLoopResultBuilder]: For program point L2563-2(line 2563) no Hoare annotation was computed. [2023-11-26 12:01:06,075 INFO L899 garLoopResultBuilder]: For program point L2563-6(line 2563) no Hoare annotation was computed. [2023-11-26 12:01:06,075 INFO L899 garLoopResultBuilder]: For program point L2679(lines 2675 2682) no Hoare annotation was computed. [2023-11-26 12:01:06,075 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2476) no Hoare annotation was computed. [2023-11-26 12:01:06,075 INFO L899 garLoopResultBuilder]: For program point L2663(lines 2659 2666) no Hoare annotation was computed. [2023-11-26 12:01:06,075 INFO L895 garLoopResultBuilder]: At program point L2366(line 2366) the Hoare annotation is: (and (= ~ldv_state_variable_1~0 1) (= ~ref_cnt~0 0) (<= 0 |ULTIMATE.start_isl6271a_probe_~i~0#1|) (= ~ldv_state_variable_0~0 3) (<= |ULTIMATE.start_isl6271a_probe_~i~0#1| 1)) [2023-11-26 12:01:06,076 INFO L899 garLoopResultBuilder]: For program point L2366-1(line 2366) no Hoare annotation was computed. [2023-11-26 12:01:06,076 INFO L899 garLoopResultBuilder]: For program point L3126(lines 3126 3129) no Hoare annotation was computed. [2023-11-26 12:01:06,076 INFO L899 garLoopResultBuilder]: For program point L2581(line 2581) no Hoare annotation was computed. [2023-11-26 12:01:06,076 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2476) no Hoare annotation was computed. [2023-11-26 12:01:06,076 INFO L899 garLoopResultBuilder]: For program point L2466(line 2466) no Hoare annotation was computed. [2023-11-26 12:01:06,076 INFO L899 garLoopResultBuilder]: For program point L2466-1(line 2466) no Hoare annotation was computed. [2023-11-26 12:01:06,076 INFO L899 garLoopResultBuilder]: For program point L2367(lines 2310 2376) no Hoare annotation was computed. [2023-11-26 12:01:06,076 INFO L899 garLoopResultBuilder]: For program point L2368(line 2368) no Hoare annotation was computed. [2023-11-26 12:01:06,076 INFO L902 garLoopResultBuilder]: At program point L3128(line 3128) the Hoare annotation is: true [2023-11-26 12:01:06,082 INFO L899 garLoopResultBuilder]: For program point L3128-1(lines 3125 3143) no Hoare annotation was computed. [2023-11-26 12:01:06,083 INFO L899 garLoopResultBuilder]: For program point L2369(lines 2369 2373) no Hoare annotation was computed. [2023-11-26 12:01:06,083 INFO L899 garLoopResultBuilder]: For program point L2353-1(line 2353) no Hoare annotation was computed. [2023-11-26 12:01:06,083 INFO L899 garLoopResultBuilder]: For program point L2353(line 2353) no Hoare annotation was computed. [2023-11-26 12:01:06,084 INFO L895 garLoopResultBuilder]: At program point L3212(line 3212) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_1~0 1)) (.cse1 (= ~ref_cnt~0 0)) (.cse2 (= ~ldv_state_variable_0~0 3))) (or (and (<= 1 |ULTIMATE.start_isl6271a_probe_~i~0#1|) (<= |ULTIMATE.start_isl6271a_probe_~i~0#1| 2) .cse0 .cse1 .cse2) (and (= |ULTIMATE.start_isl6271a_probe_~i~0#1| 0) .cse0 .cse1 .cse2))) [2023-11-26 12:01:06,084 INFO L899 garLoopResultBuilder]: For program point L3212-1(line 3212) no Hoare annotation was computed. [2023-11-26 12:01:06,084 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 12:01:06,084 INFO L899 garLoopResultBuilder]: For program point L2337(lines 2337 2341) no Hoare annotation was computed. [2023-11-26 12:01:06,084 INFO L899 garLoopResultBuilder]: For program point L2337-2(lines 2337 2341) no Hoare annotation was computed. [2023-11-26 12:01:06,084 INFO L899 garLoopResultBuilder]: For program point L2321(lines 2321 2324) no Hoare annotation was computed. [2023-11-26 12:01:06,084 INFO L899 garLoopResultBuilder]: For program point L2569-1(line 2569) no Hoare annotation was computed. [2023-11-26 12:01:06,085 INFO L895 garLoopResultBuilder]: At program point L2569(line 2569) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 3)) (.cse1 (= ~ref_cnt~0 0))) (or (and (= ~ldv_state_variable_1~0 2) (= ~ref_cnt~0 1) .cse0) (and (= ~ldv_state_variable_1~0 1) .cse1 .cse0) (and (= ~ldv_state_variable_1~0 0) .cse1))) [2023-11-26 12:01:06,085 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2368) no Hoare annotation was computed. [2023-11-26 12:01:06,085 INFO L899 garLoopResultBuilder]: For program point L2454(lines 2447 2589) no Hoare annotation was computed. [2023-11-26 12:01:06,085 INFO L899 garLoopResultBuilder]: For program point L2487-1(line 2487) no Hoare annotation was computed. [2023-11-26 12:01:06,086 INFO L899 garLoopResultBuilder]: For program point L2487(line 2487) no Hoare annotation was computed. [2023-11-26 12:01:06,086 INFO L895 garLoopResultBuilder]: At program point L2388(line 2388) the Hoare annotation is: (and (<= |ULTIMATE.start_isl6271a_remove_~i~1#1| 2) (= ~ldv_state_variable_1~0 2) (= ~ref_cnt~0 1) (<= 0 |ULTIMATE.start_isl6271a_remove_~i~1#1|) (= ~ldv_state_variable_0~0 3)) [2023-11-26 12:01:06,086 INFO L899 garLoopResultBuilder]: For program point L2487-3(line 2487) no Hoare annotation was computed. [2023-11-26 12:01:06,086 INFO L899 garLoopResultBuilder]: For program point L2487-2(line 2487) no Hoare annotation was computed. [2023-11-26 12:01:06,086 INFO L899 garLoopResultBuilder]: For program point L2487-5(line 2487) no Hoare annotation was computed. [2023-11-26 12:01:06,086 INFO L899 garLoopResultBuilder]: For program point L2388-1(line 2388) no Hoare annotation was computed. [2023-11-26 12:01:06,087 INFO L899 garLoopResultBuilder]: For program point L2487-4(line 2487) no Hoare annotation was computed. [2023-11-26 12:01:06,087 INFO L899 garLoopResultBuilder]: For program point L2487-6(line 2487) no Hoare annotation was computed. [2023-11-26 12:01:06,087 INFO L899 garLoopResultBuilder]: For program point L2487-8(line 2487) no Hoare annotation was computed. [2023-11-26 12:01:06,087 INFO L899 garLoopResultBuilder]: For program point L2487-11(line 2487) no Hoare annotation was computed. [2023-11-26 12:01:06,087 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2389) no Hoare annotation was computed. [2023-11-26 12:01:06,087 INFO L902 garLoopResultBuilder]: At program point L3132(line 3132) the Hoare annotation is: true [2023-11-26 12:01:06,089 INFO L899 garLoopResultBuilder]: For program point L3132-1(lines 3125 3143) no Hoare annotation was computed. [2023-11-26 12:01:06,089 INFO L899 garLoopResultBuilder]: For program point L2389-1(line 2389) no Hoare annotation was computed. [2023-11-26 12:01:06,089 INFO L899 garLoopResultBuilder]: For program point L2389(line 2389) no Hoare annotation was computed. [2023-11-26 12:01:06,089 INFO L899 garLoopResultBuilder]: For program point L2257-1(line 2257) no Hoare annotation was computed. [2023-11-26 12:01:06,090 INFO L895 garLoopResultBuilder]: At program point L2257(line 2257) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 3)) (.cse1 (= ~ref_cnt~0 0))) (or (and (= ~ldv_state_variable_1~0 2) (= ~ref_cnt~0 1) .cse0) (and (= ~ldv_state_variable_1~0 1) .cse1 .cse0) (and (= ~ldv_state_variable_1~0 0) .cse1))) [2023-11-26 12:01:06,090 INFO L895 garLoopResultBuilder]: At program point L2670(line 2670) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 3)) (.cse1 (= ~ref_cnt~0 0))) (or (and (= ~ldv_state_variable_1~0 2) (= ~ref_cnt~0 1) .cse0) (and (= ~ldv_state_variable_1~0 1) .cse1 .cse0) (and (= ~ldv_state_variable_1~0 0) .cse1))) [2023-11-26 12:01:06,090 INFO L899 garLoopResultBuilder]: For program point $Ultimate##37(lines 2391 2395) no Hoare annotation was computed. [2023-11-26 12:01:06,090 INFO L895 garLoopResultBuilder]: At program point L2670-1(line 2670) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 3)) (.cse1 (= ~ref_cnt~0 0))) (or (and (= ~ldv_state_variable_1~0 2) (= ~ref_cnt~0 1) .cse0) (and (= ~ldv_state_variable_1~0 1) .cse1 .cse0) (and (= ~ldv_state_variable_1~0 0) .cse1))) [2023-11-26 12:01:06,091 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2389) no Hoare annotation was computed. [2023-11-26 12:01:06,091 INFO L895 garLoopResultBuilder]: At program point L2274(line 2274) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 3)) (.cse1 (= ~ref_cnt~0 0))) (or (and (= ~ldv_state_variable_1~0 2) (= ~ref_cnt~0 1) .cse0) (and (= ~ldv_state_variable_1~0 1) .cse1 .cse0) (and (= ~ldv_state_variable_1~0 0) .cse1))) [2023-11-26 12:01:06,091 INFO L899 garLoopResultBuilder]: For program point L2274-1(line 2274) no Hoare annotation was computed. [2023-11-26 12:01:06,091 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2353) no Hoare annotation was computed. [2023-11-26 12:01:06,091 INFO L895 garLoopResultBuilder]: At program point L3166(line 3166) the Hoare annotation is: (and (= ~ldv_state_variable_1~0 2) (= ~ref_cnt~0 1) (= ~ldv_state_variable_0~0 3)) [2023-11-26 12:01:06,092 INFO L895 garLoopResultBuilder]: At program point L2654(line 2654) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 3)) (.cse1 (= ~ref_cnt~0 0))) (or (and (= ~ldv_state_variable_1~0 2) (= ~ref_cnt~0 1) .cse0) (and (= ~ldv_state_variable_1~0 1) .cse1 .cse0) (and (= ~ldv_state_variable_1~0 0) .cse1))) [2023-11-26 12:01:06,092 INFO L899 garLoopResultBuilder]: For program point L3166-1(line 3166) no Hoare annotation was computed. [2023-11-26 12:01:06,092 INFO L895 garLoopResultBuilder]: At program point L2654-1(line 2654) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 3)) (.cse1 (= ~ref_cnt~0 0))) (or (and (= ~ldv_state_variable_1~0 2) (= ~ref_cnt~0 1) .cse0) (and (= ~ldv_state_variable_1~0 1) .cse1 .cse0) (and (= ~ldv_state_variable_1~0 0) .cse1))) [2023-11-26 12:01:06,092 INFO L899 garLoopResultBuilder]: For program point isl6271a_probe_returnLabel#1(lines 2299 2377) no Hoare annotation was computed. [2023-11-26 12:01:06,092 INFO L899 garLoopResultBuilder]: For program point L2671(lines 2667 2674) no Hoare annotation was computed. [2023-11-26 12:01:06,092 INFO L899 garLoopResultBuilder]: For program point $Ultimate##25(lines 2355 2359) no Hoare annotation was computed. [2023-11-26 12:01:06,093 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2353) no Hoare annotation was computed. [2023-11-26 12:01:06,093 INFO L899 garLoopResultBuilder]: For program point L2655(lines 2651 2658) no Hoare annotation was computed. [2023-11-26 12:01:06,093 INFO L899 garLoopResultBuilder]: For program point L2457-1(line 2457) no Hoare annotation was computed. [2023-11-26 12:01:06,093 INFO L899 garLoopResultBuilder]: For program point L2457(line 2457) no Hoare annotation was computed. [2023-11-26 12:01:06,093 INFO L899 garLoopResultBuilder]: For program point L2457-3(line 2457) no Hoare annotation was computed. [2023-11-26 12:01:06,093 INFO L899 garLoopResultBuilder]: For program point L2457-2(line 2457) no Hoare annotation was computed. [2023-11-26 12:01:06,093 INFO L899 garLoopResultBuilder]: For program point L2457-4(line 2457) no Hoare annotation was computed. [2023-11-26 12:01:06,094 INFO L899 garLoopResultBuilder]: For program point L2457-9(line 2457) no Hoare annotation was computed. [2023-11-26 12:01:06,094 INFO L899 garLoopResultBuilder]: For program point L2457-8(line 2457) no Hoare annotation was computed. [2023-11-26 12:01:06,094 INFO L899 garLoopResultBuilder]: For program point L2457-12(line 2457) no Hoare annotation was computed. [2023-11-26 12:01:06,094 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 12:01:06,094 INFO L899 garLoopResultBuilder]: For program point L2524(line 2524) no Hoare annotation was computed. [2023-11-26 12:01:06,094 INFO L899 garLoopResultBuilder]: For program point main_ldv_final#1(lines 2447 2589) no Hoare annotation was computed. [2023-11-26 12:01:06,094 INFO L899 garLoopResultBuilder]: For program point L2524-2(line 2524) no Hoare annotation was computed. [2023-11-26 12:01:06,094 INFO L899 garLoopResultBuilder]: For program point L2524-1(line 2524) no Hoare annotation was computed. [2023-11-26 12:01:06,095 INFO L899 garLoopResultBuilder]: For program point L2524-3(line 2524) no Hoare annotation was computed. [2023-11-26 12:01:06,095 INFO L899 garLoopResultBuilder]: For program point L2524-6(line 2524) no Hoare annotation was computed. [2023-11-26 12:01:06,095 INFO L899 garLoopResultBuilder]: For program point L2524-7(line 2524) no Hoare annotation was computed. [2023-11-26 12:01:06,095 INFO L899 garLoopResultBuilder]: For program point L2524-10(line 2524) no Hoare annotation was computed. [2023-11-26 12:01:06,095 INFO L899 garLoopResultBuilder]: For program point L2524-11(line 2524) no Hoare annotation was computed. [2023-11-26 12:01:06,096 INFO L899 garLoopResultBuilder]: For program point L2524-14(line 2524) no Hoare annotation was computed. [2023-11-26 12:01:06,096 INFO L899 garLoopResultBuilder]: For program point L2524-15(line 2524) no Hoare annotation was computed. [2023-11-26 12:01:06,096 INFO L899 garLoopResultBuilder]: For program point L2524-18(line 2524) no Hoare annotation was computed. [2023-11-26 12:01:06,097 INFO L902 garLoopResultBuilder]: At program point L3136(line 3136) the Hoare annotation is: true [2023-11-26 12:01:06,097 INFO L899 garLoopResultBuilder]: For program point L3136-1(lines 3125 3143) no Hoare annotation was computed. [2023-11-26 12:01:06,097 INFO L899 garLoopResultBuilder]: For program point L2327(lines 2327 2330) no Hoare annotation was computed. [2023-11-26 12:01:06,097 INFO L899 garLoopResultBuilder]: For program point L2261(lines 2261 2264) no Hoare annotation was computed. [2023-11-26 12:01:06,097 INFO L899 garLoopResultBuilder]: For program point L2261-2(lines 2261 2264) no Hoare annotation was computed. [2023-11-26 12:01:06,097 INFO L899 garLoopResultBuilder]: For program point L2476(line 2476) no Hoare annotation was computed. [2023-11-26 12:01:06,098 INFO L899 garLoopResultBuilder]: For program point L2476-1(line 2476) no Hoare annotation was computed. [2023-11-26 12:01:06,098 INFO L899 garLoopResultBuilder]: For program point L2278(lines 2278 2281) no Hoare annotation was computed. [2023-11-26 12:01:06,098 INFO L899 garLoopResultBuilder]: For program point L2278-2(lines 2278 2281) no Hoare annotation was computed. [2023-11-26 12:01:06,098 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2466) no Hoare annotation was computed. [2023-11-26 12:01:06,098 INFO L895 garLoopResultBuilder]: At program point L2262(line 2262) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 3)) (.cse1 (= ~ref_cnt~0 0))) (or (and (= ~ldv_state_variable_1~0 2) (= ~ref_cnt~0 1) .cse0) (and (= ~ldv_state_variable_1~0 1) .cse1 .cse0) (and (= ~ldv_state_variable_1~0 0) .cse1))) [2023-11-26 12:01:06,099 INFO L899 garLoopResultBuilder]: For program point L2262-1(line 2262) no Hoare annotation was computed. [2023-11-26 12:01:06,099 INFO L899 garLoopResultBuilder]: For program point L2345-1(line 2345) no Hoare annotation was computed. [2023-11-26 12:01:06,099 INFO L895 garLoopResultBuilder]: At program point L2345(line 2345) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_1~0 1)) (.cse1 (= ~ref_cnt~0 0)) (.cse2 (= ~ldv_state_variable_0~0 3))) (or (and (<= 1 |ULTIMATE.start_isl6271a_probe_~i~0#1|) (<= |ULTIMATE.start_isl6271a_probe_~i~0#1| 2) .cse0 .cse1 .cse2) (and (= |ULTIMATE.start_isl6271a_probe_~i~0#1| 0) .cse0 .cse1 .cse2))) [2023-11-26 12:01:06,099 INFO L899 garLoopResultBuilder]: For program point L2279-1(line 2279) no Hoare annotation was computed. [2023-11-26 12:01:06,099 INFO L895 garLoopResultBuilder]: At program point L2279(line 2279) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_0~0 3)) (.cse1 (= ~ref_cnt~0 0))) (or (and (= ~ldv_state_variable_1~0 2) (= ~ref_cnt~0 1) .cse0) (and (= ~ldv_state_variable_1~0 1) .cse1 .cse0) (and (= ~ldv_state_variable_1~0 0) .cse1))) [2023-11-26 12:01:06,100 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2466) no Hoare annotation was computed. [2023-11-26 12:01:06,100 INFO L899 garLoopResultBuilder]: For program point L2346(lines 2346 2352) no Hoare annotation was computed. [2023-11-26 12:01:06,100 INFO L899 garLoopResultBuilder]: For program point L2347-1(line 2347) no Hoare annotation was computed. [2023-11-26 12:01:06,100 INFO L895 garLoopResultBuilder]: At program point L2347(line 2347) the Hoare annotation is: (let ((.cse0 (= ~ldv_state_variable_1~0 1)) (.cse1 (= ~ref_cnt~0 0)) (.cse2 (= ~ldv_state_variable_0~0 3))) (or (and (<= 1 |ULTIMATE.start_isl6271a_probe_~i~0#1|) (<= |ULTIMATE.start_isl6271a_probe_~i~0#1| 2) .cse0 .cse1 .cse2) (and (= |ULTIMATE.start_isl6271a_probe_~i~0#1| 0) .cse0 .cse1 .cse2))) [2023-11-26 12:01:06,100 INFO L899 garLoopResultBuilder]: For program point L3173-1(line 3173) no Hoare annotation was computed. [2023-11-26 12:01:06,100 INFO L902 garLoopResultBuilder]: At program point L3140(line 3140) the Hoare annotation is: true [2023-11-26 12:01:06,101 INFO L895 garLoopResultBuilder]: At program point L3173(line 3173) the Hoare annotation is: (and (= ~ldv_state_variable_1~0 1) (= ~ref_cnt~0 0) (= ~ldv_state_variable_0~0 3)) [2023-11-26 12:01:06,101 INFO L899 garLoopResultBuilder]: For program point L3140-1(lines 3123 3144) no Hoare annotation was computed. [2023-11-26 12:01:06,101 INFO L899 garLoopResultBuilder]: For program point L3201-1(line 3201) no Hoare annotation was computed. [2023-11-26 12:01:06,101 INFO L899 garLoopResultBuilder]: For program point rdev_get_drvdataEXIT(lines 3200 3202) no Hoare annotation was computed. [2023-11-26 12:01:06,102 INFO L895 garLoopResultBuilder]: At program point L3201(line 3201) the Hoare annotation is: (let ((.cse0 (< ~ref_cnt~0 0)) (.cse1 (< 0 ~ref_cnt~0)) (.cse2 (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) (.cse3 (not (= ~ldv_state_variable_0~0 3)))) (and (or (not (= ~ldv_state_variable_1~0 0)) .cse0 .cse1 .cse2) (or .cse0 (not (= ~ldv_state_variable_1~0 1)) .cse1 .cse2 .cse3) (or (not (= ~ldv_state_variable_1~0 2)) .cse2 .cse3 (< 1 ~ref_cnt~0) (< ~ref_cnt~0 1)))) [2023-11-26 12:01:06,102 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 3200 3202) the Hoare annotation is: (let ((.cse0 (< ~ref_cnt~0 0)) (.cse1 (< 0 ~ref_cnt~0)) (.cse2 (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) (.cse3 (not (= ~ldv_state_variable_0~0 3)))) (and (or (not (= ~ldv_state_variable_1~0 0)) .cse0 .cse1 .cse2) (or .cse0 (not (= ~ldv_state_variable_1~0 1)) .cse1 .cse2 .cse3) (or (not (= ~ldv_state_variable_1~0 2)) .cse2 .cse3 (< 1 ~ref_cnt~0) (< ~ref_cnt~0 1)))) [2023-11-26 12:01:06,102 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2172 2178) the Hoare annotation is: true [2023-11-26 12:01:06,102 INFO L899 garLoopResultBuilder]: For program point IS_ERREXIT(lines 2172 2178) no Hoare annotation was computed. [2023-11-26 12:01:06,107 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:01:06,110 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 12:01:06,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:01:06 BoogieIcfgContainer [2023-11-26 12:01:06,121 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:01:06,121 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:01:06,121 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:01:06,122 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:01:06,122 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:43" (3/4) ... [2023-11-26 12:01:06,124 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 12:01:06,128 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2023-11-26 12:01:06,128 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_mtx_of_isl_pmic [2023-11-26 12:01:06,129 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2023-11-26 12:01:06,129 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2023-11-26 12:01:06,129 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure regulator_unregister [2023-11-26 12:01:06,129 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2023-11-26 12:01:06,129 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_mtx_of_isl_pmic [2023-11-26 12:01:06,130 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure rdev_get_drvdata [2023-11-26 12:01:06,130 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure regulator_list_voltage_linear [2023-11-26 12:01:06,130 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2023-11-26 12:01:06,130 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2023-11-26 12:01:06,158 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2023-11-26 12:01:06,160 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2023-11-26 12:01:06,162 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-26 12:01:06,165 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-26 12:01:06,167 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 12:01:06,435 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 12:01:06,435 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 12:01:06,435 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:01:06,437 INFO L158 Benchmark]: Toolchain (without parser) took 26893.89ms. Allocated memory was 146.8MB in the beginning and 356.5MB in the end (delta: 209.7MB). Free memory was 112.8MB in the beginning and 238.7MB in the end (delta: -125.8MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. [2023-11-26 12:01:06,437 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 119.5MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:01:06,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1358.58ms. Allocated memory is still 146.8MB. Free memory was 112.1MB in the beginning and 99.2MB in the end (delta: 13.0MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2023-11-26 12:01:06,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.12ms. Allocated memory is still 146.8MB. Free memory was 99.2MB in the beginning and 93.2MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 12:01:06,438 INFO L158 Benchmark]: Boogie Preprocessor took 232.23ms. Allocated memory is still 146.8MB. Free memory was 93.2MB in the beginning and 80.5MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 12:01:06,439 INFO L158 Benchmark]: RCFGBuilder took 1763.60ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 80.5MB in the beginning and 106.3MB in the end (delta: -25.8MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2023-11-26 12:01:06,439 INFO L158 Benchmark]: TraceAbstraction took 23100.27ms. Allocated memory was 203.4MB in the beginning and 356.5MB in the end (delta: 153.1MB). Free memory was 105.3MB in the beginning and 256.5MB in the end (delta: -151.2MB). Peak memory consumption was 159.7MB. Max. memory is 16.1GB. [2023-11-26 12:01:06,440 INFO L158 Benchmark]: Witness Printer took 314.18ms. Allocated memory is still 356.5MB. Free memory was 256.5MB in the beginning and 238.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 12:01:06,447 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 119.5MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1358.58ms. Allocated memory is still 146.8MB. Free memory was 112.1MB in the beginning and 99.2MB in the end (delta: 13.0MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.12ms. Allocated memory is still 146.8MB. Free memory was 99.2MB in the beginning and 93.2MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 232.23ms. Allocated memory is still 146.8MB. Free memory was 93.2MB in the beginning and 80.5MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1763.60ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 80.5MB in the beginning and 106.3MB in the end (delta: -25.8MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * TraceAbstraction took 23100.27ms. Allocated memory was 203.4MB in the beginning and 356.5MB in the end (delta: 153.1MB). Free memory was 105.3MB in the beginning and 256.5MB in the end (delta: -151.2MB). Peak memory consumption was 159.7MB. Max. memory is 16.1GB. * Witness Printer took 314.18ms. Allocated memory is still 356.5MB. Free memory was 256.5MB in the beginning and 238.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. 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: 2353]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2353]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2368]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2368]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2466]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2466]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2389]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2389]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2476]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2476]: 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 12 procedures, 159 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 23.0s, OverallIterations: 16, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2266 SdHoareTripleChecker+Valid, 7.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2139 mSDsluCounter, 7197 SdHoareTripleChecker+Invalid, 6.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4154 mSDsCounter, 446 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2747 IncrementalHoareTripleChecker+Invalid, 3193 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 446 mSolverCounterUnsat, 3043 mSDtfsCounter, 2747 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 745 GetRequests, 685 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=949occurred in iteration=13, InterpolantAutomatonStates: 76, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 16 MinimizatonAttempts, 787 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 1361 PreInvPairs, 1424 NumberOfFragments, 739 HoareAnnotationTreeSize, 1361 FomulaSimplifications, 6079 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 40 FomulaSimplificationsInter, 1560 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 1383 NumberOfCodeBlocks, 1383 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1498 ConstructedInterpolants, 0 QuantifiedInterpolants, 2564 SizeOfPredicates, 0 NumberOfNonLiveVariables, 7266 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 24 InterpolantComputations, 14 PerfectInterpolantSequences, 731/767 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 10 specifications checked. All of them hold - InvariantResult [Line: 2172]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-26 12:01:06,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f28618-ef51-49c5-8487-651a318e19c4/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