./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/tee-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tee-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya --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 bab52eb5923c15e4bc9c70f58b3e07f531d9c2f4fa12be32117f6f5f5ee2181e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:14:57,694 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:14:57,767 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 03:14:57,773 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:14:57,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:14:57,798 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:14:57,799 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:14:57,800 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:14:57,800 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:14:57,801 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:14:57,801 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:14:57,802 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:14:57,803 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:14:57,803 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:14:57,804 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:14:57,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:14:57,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:14:57,805 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:14:57,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:14:57,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:14:57,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:14:57,808 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:14:57,808 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 03:14:57,809 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:14:57,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:14:57,809 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:14:57,810 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:14:57,810 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:14:57,811 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:14:57,811 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:14:57,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:14:57,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:14:57,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:14:57,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:14:57,813 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:14:57,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:14:57,813 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:14:57,813 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:14:57,813 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:14:57,814 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:14:57,814 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:14:57,814 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_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bab52eb5923c15e4bc9c70f58b3e07f531d9c2f4fa12be32117f6f5f5ee2181e [2023-11-29 03:14:58,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:14:58,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:14:58,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:14:58,027 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:14:58,027 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:14:58,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/busybox-1.22.0/tee-2.i [2023-11-29 03:15:00,781 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:15:01,110 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:15:01,111 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/sv-benchmarks/c/busybox-1.22.0/tee-2.i [2023-11-29 03:15:01,137 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/data/54adb8bd2/0bfed97976594aaabdf26084327b97e5/FLAG47940a523 [2023-11-29 03:15:01,148 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/data/54adb8bd2/0bfed97976594aaabdf26084327b97e5 [2023-11-29 03:15:01,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:15:01,152 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:15:01,153 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:15:01,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:15:01,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:15:01,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:15:01" (1/1) ... [2023-11-29 03:15:01,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c66656c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:15:01, skipping insertion in model container [2023-11-29 03:15:01,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:15:01" (1/1) ... [2023-11-29 03:15:01,238 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:15:02,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:15:02,360 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:15:02,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:15:02,723 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:15:02,723 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:15:02,723 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:15:02,723 WARN L675 CHandler]: The function ferror is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:15:02,724 WARN L675 CHandler]: The function setbuf is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:15:02,724 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:15:02,724 WARN L675 CHandler]: The function fwrite is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 03:15:02,731 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:15:02,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:15:02 WrapperNode [2023-11-29 03:15:02,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:15:02,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:15:02,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:15:02,733 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:15:02,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:15:02" (1/1) ... [2023-11-29 03:15:02,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:15:02" (1/1) ... [2023-11-29 03:15:02,859 INFO L138 Inliner]: procedures = 575, calls = 420, calls flagged for inlining = 28, calls inlined = 26, statements flattened = 1755 [2023-11-29 03:15:02,859 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:15:02,860 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:15:02,860 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:15:02,860 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:15:02,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:15:02" (1/1) ... [2023-11-29 03:15:02,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:15:02" (1/1) ... [2023-11-29 03:15:02,888 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:15:02" (1/1) ... [2023-11-29 03:15:02,899 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2023-11-29 03:15:02,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:15:02" (1/1) ... [2023-11-29 03:15:02,900 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:15:02" (1/1) ... [2023-11-29 03:15:02,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:15:02" (1/1) ... [2023-11-29 03:15:02,996 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:15:02" (1/1) ... [2023-11-29 03:15:03,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:15:02" (1/1) ... [2023-11-29 03:15:03,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:15:02" (1/1) ... [2023-11-29 03:15:03,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:15:03,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:15:03,037 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:15:03,037 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:15:03,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:15:02" (1/1) ... [2023-11-29 03:15:03,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:15:03,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:15:03,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:15:03,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:15:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-29 03:15:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:15:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2023-11-29 03:15:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure xzalloc [2023-11-29 03:15:03,093 INFO L138 BoogieDeclarations]: Found implementation of procedure xzalloc [2023-11-29 03:15:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-29 03:15:03,093 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-29 03:15:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-29 03:15:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-29 03:15:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 03:15:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 03:15:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-29 03:15:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:15:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-29 03:15:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:15:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:15:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-29 03:15:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-29 03:15:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-29 03:15:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-29 03:15:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-29 03:15:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-29 03:15:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-29 03:15:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-29 03:15:03,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-29 03:15:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 03:15:03,096 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 03:15:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 03:15:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-29 03:15:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-11-29 03:15:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-29 03:15:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 03:15:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-29 03:15:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-29 03:15:03,097 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-29 03:15:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2023-11-29 03:15:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 03:15:03,495 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:15:03,496 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:15:04,862 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:15:04,943 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:15:04,943 INFO L309 CfgBuilder]: Removed 30 assume(true) statements. [2023-11-29 03:15:04,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:15:04 BoogieIcfgContainer [2023-11-29 03:15:04,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:15:04,947 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:15:04,947 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:15:04,951 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:15:04,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:15:01" (1/3) ... [2023-11-29 03:15:04,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17043194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:15:04, skipping insertion in model container [2023-11-29 03:15:04,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:15:02" (2/3) ... [2023-11-29 03:15:04,953 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17043194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:15:04, skipping insertion in model container [2023-11-29 03:15:04,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:15:04" (3/3) ... [2023-11-29 03:15:04,954 INFO L112 eAbstractionObserver]: Analyzing ICFG tee-2.i [2023-11-29 03:15:04,974 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:15:04,975 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2023-11-29 03:15:05,038 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:15:05,045 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;@2080596c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:15:05,045 INFO L358 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2023-11-29 03:15:05,053 INFO L276 IsEmpty]: Start isEmpty. Operand has 480 states, 383 states have (on average 1.7467362924281984) internal successors, (669), 447 states have internal predecessors, (669), 25 states have call successors, (25), 7 states have call predecessors, (25), 7 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-29 03:15:05,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-29 03:15:05,060 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:05,061 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-29 03:15:05,062 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:05,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:05,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1647434, now seen corresponding path program 1 times [2023-11-29 03:15:05,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:05,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91663114] [2023-11-29 03:15:05,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:05,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:05,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:15:05,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:05,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91663114] [2023-11-29 03:15:05,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91663114] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:05,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:15:05,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 03:15:05,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058439380] [2023-11-29 03:15:05,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:05,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:15:05,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:05,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:15:05,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:15:05,517 INFO L87 Difference]: Start difference. First operand has 480 states, 383 states have (on average 1.7467362924281984) internal successors, (669), 447 states have internal predecessors, (669), 25 states have call successors, (25), 7 states have call predecessors, (25), 7 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2023-11-29 03:15:05,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:05,716 INFO L93 Difference]: Finished difference Result 953 states and 1449 transitions. [2023-11-29 03:15:05,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:15:05,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2023-11-29 03:15:05,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:05,732 INFO L225 Difference]: With dead ends: 953 [2023-11-29 03:15:05,732 INFO L226 Difference]: Without dead ends: 474 [2023-11-29 03:15:05,739 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 [2023-11-29 03:15:05,742 INFO L413 NwaCegarLoop]: 635 mSDtfsCounter, 1 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1266 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:05,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1266 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:15:05,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2023-11-29 03:15:05,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 474. [2023-11-29 03:15:05,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 379 states have (on average 1.646437994722955) internal successors, (624), 447 states have internal predecessors, (624), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:15:05,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 668 transitions. [2023-11-29 03:15:05,807 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 668 transitions. Word has length 3 [2023-11-29 03:15:05,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:05,807 INFO L495 AbstractCegarLoop]: Abstraction has 474 states and 668 transitions. [2023-11-29 03:15:05,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2023-11-29 03:15:05,808 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 668 transitions. [2023-11-29 03:15:05,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-29 03:15:05,808 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:05,808 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2023-11-29 03:15:05,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 03:15:05,809 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:05,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:05,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1834407473, now seen corresponding path program 1 times [2023-11-29 03:15:05,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:05,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348696111] [2023-11-29 03:15:05,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:05,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:05,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:15:05,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:05,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348696111] [2023-11-29 03:15:05,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348696111] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:15:05,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765971919] [2023-11-29 03:15:05,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:05,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:15:05,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:15:05,944 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:15:05,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 03:15:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:06,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:15:06,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:15:06,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:15:06,249 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:15:06,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765971919] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:06,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:15:06,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2023-11-29 03:15:06,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176961471] [2023-11-29 03:15:06,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:06,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:15:06,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:06,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:15:06,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:15:06,253 INFO L87 Difference]: Start difference. First operand 474 states and 668 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-29 03:15:06,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:06,377 INFO L93 Difference]: Finished difference Result 474 states and 668 transitions. [2023-11-29 03:15:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:15:06,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2023-11-29 03:15:06,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:06,381 INFO L225 Difference]: With dead ends: 474 [2023-11-29 03:15:06,382 INFO L226 Difference]: Without dead ends: 473 [2023-11-29 03:15:06,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:15:06,383 INFO L413 NwaCegarLoop]: 630 mSDtfsCounter, 5 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:06,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1259 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:15:06,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2023-11-29 03:15:06,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 473. [2023-11-29 03:15:06,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 379 states have (on average 1.6437994722955145) internal successors, (623), 446 states have internal predecessors, (623), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:15:06,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 667 transitions. [2023-11-29 03:15:06,435 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 667 transitions. Word has length 6 [2023-11-29 03:15:06,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:06,436 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 667 transitions. [2023-11-29 03:15:06,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-29 03:15:06,436 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 667 transitions. [2023-11-29 03:15:06,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-29 03:15:06,437 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:06,437 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2023-11-29 03:15:06,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-29 03:15:06,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:15:06,638 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:06,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:06,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1032057159, now seen corresponding path program 1 times [2023-11-29 03:15:06,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:06,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398980064] [2023-11-29 03:15:06,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:06,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:06,722 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 03:15:06,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:06,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398980064] [2023-11-29 03:15:06,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398980064] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:06,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:15:06,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:15:06,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957686140] [2023-11-29 03:15:06,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:06,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:15:06,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:06,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:15:06,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:15:06,725 INFO L87 Difference]: Start difference. First operand 473 states and 667 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-29 03:15:06,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:06,818 INFO L93 Difference]: Finished difference Result 473 states and 667 transitions. [2023-11-29 03:15:06,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:15:06,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2023-11-29 03:15:06,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:06,822 INFO L225 Difference]: With dead ends: 473 [2023-11-29 03:15:06,822 INFO L226 Difference]: Without dead ends: 472 [2023-11-29 03:15:06,823 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 [2023-11-29 03:15:06,824 INFO L413 NwaCegarLoop]: 631 mSDtfsCounter, 0 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:06,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1260 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:15:06,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2023-11-29 03:15:06,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 470. [2023-11-29 03:15:06,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 377 states have (on average 1.6445623342175066) internal successors, (620), 443 states have internal predecessors, (620), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:15:06,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 664 transitions. [2023-11-29 03:15:06,839 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 664 transitions. Word has length 7 [2023-11-29 03:15:06,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:06,839 INFO L495 AbstractCegarLoop]: Abstraction has 470 states and 664 transitions. [2023-11-29 03:15:06,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-29 03:15:06,839 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 664 transitions. [2023-11-29 03:15:06,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 03:15:06,840 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:06,840 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:06,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 03:15:06,840 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:06,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:06,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1674550236, now seen corresponding path program 1 times [2023-11-29 03:15:06,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:06,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772464239] [2023-11-29 03:15:06,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:06,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:06,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 03:15:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:06,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:15:06,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:06,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772464239] [2023-11-29 03:15:06,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772464239] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:15:06,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611699233] [2023-11-29 03:15:06,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:06,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:15:06,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:15:06,966 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:15:06,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 03:15:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:07,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:15:07,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:15:07,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 03:15:07,231 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:15:07,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611699233] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:07,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:15:07,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-29 03:15:07,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137705940] [2023-11-29 03:15:07,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:07,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:15:07,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:07,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:15:07,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:15:07,233 INFO L87 Difference]: Start difference. First operand 470 states and 664 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:07,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:07,346 INFO L93 Difference]: Finished difference Result 470 states and 664 transitions. [2023-11-29 03:15:07,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:15:07,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-29 03:15:07,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:07,350 INFO L225 Difference]: With dead ends: 470 [2023-11-29 03:15:07,350 INFO L226 Difference]: Without dead ends: 468 [2023-11-29 03:15:07,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:15:07,351 INFO L413 NwaCegarLoop]: 622 mSDtfsCounter, 480 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:07,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 780 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:15:07,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2023-11-29 03:15:07,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 468. [2023-11-29 03:15:07,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 377 states have (on average 1.6392572944297081) internal successors, (618), 441 states have internal predecessors, (618), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:15:07,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 662 transitions. [2023-11-29 03:15:07,367 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 662 transitions. Word has length 12 [2023-11-29 03:15:07,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:07,369 INFO L495 AbstractCegarLoop]: Abstraction has 468 states and 662 transitions. [2023-11-29 03:15:07,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:07,369 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 662 transitions. [2023-11-29 03:15:07,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-29 03:15:07,369 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:07,369 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:07,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-29 03:15:07,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:15:07,572 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:07,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:07,572 INFO L85 PathProgramCache]: Analyzing trace with hash -371449411, now seen corresponding path program 1 times [2023-11-29 03:15:07,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:07,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950327561] [2023-11-29 03:15:07,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:07,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:07,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-29 03:15:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:07,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:15:07,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:07,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950327561] [2023-11-29 03:15:07,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950327561] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:15:07,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934175716] [2023-11-29 03:15:07,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:07,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:15:07,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:15:07,728 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:15:07,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 03:15:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:07,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:15:07,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:15:07,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:15:07,996 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:15:08,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:15:08,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934175716] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:15:08,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:15:08,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 7 [2023-11-29 03:15:08,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11358183] [2023-11-29 03:15:08,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:15:08,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:15:08,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:08,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:15:08,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:15:08,036 INFO L87 Difference]: Start difference. First operand 468 states and 662 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:15:08,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:08,196 INFO L93 Difference]: Finished difference Result 940 states and 1330 transitions. [2023-11-29 03:15:08,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:15:08,197 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2023-11-29 03:15:08,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:08,201 INFO L225 Difference]: With dead ends: 940 [2023-11-29 03:15:08,201 INFO L226 Difference]: Without dead ends: 477 [2023-11-29 03:15:08,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:15:08,203 INFO L413 NwaCegarLoop]: 629 mSDtfsCounter, 4 mSDsluCounter, 1254 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1883 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:08,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1883 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:15:08,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2023-11-29 03:15:08,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 477. [2023-11-29 03:15:08,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 386 states have (on average 1.6243523316062176) internal successors, (627), 450 states have internal predecessors, (627), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:15:08,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 671 transitions. [2023-11-29 03:15:08,223 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 671 transitions. Word has length 13 [2023-11-29 03:15:08,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:08,223 INFO L495 AbstractCegarLoop]: Abstraction has 477 states and 671 transitions. [2023-11-29 03:15:08,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 03:15:08,224 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 671 transitions. [2023-11-29 03:15:08,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-29 03:15:08,224 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:08,225 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:08,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 03:15:08,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:15:08,425 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:08,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:08,426 INFO L85 PathProgramCache]: Analyzing trace with hash 160833860, now seen corresponding path program 2 times [2023-11-29 03:15:08,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:08,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161842405] [2023-11-29 03:15:08,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:08,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:08,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 03:15:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:08,690 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:15:08,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:08,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161842405] [2023-11-29 03:15:08,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161842405] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:15:08,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957402566] [2023-11-29 03:15:08,690 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 03:15:08,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:15:08,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:15:08,692 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:15:08,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 03:15:08,961 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 03:15:08,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:15:08,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:15:08,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:15:09,012 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 03:15:09,012 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:15:09,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957402566] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:09,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:15:09,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2023-11-29 03:15:09,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394312208] [2023-11-29 03:15:09,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:09,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:15:09,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:09,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:15:09,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:15:09,014 INFO L87 Difference]: Start difference. First operand 477 states and 671 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:09,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:09,264 INFO L93 Difference]: Finished difference Result 477 states and 671 transitions. [2023-11-29 03:15:09,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:15:09,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2023-11-29 03:15:09,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:09,268 INFO L225 Difference]: With dead ends: 477 [2023-11-29 03:15:09,268 INFO L226 Difference]: Without dead ends: 475 [2023-11-29 03:15:09,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:15:09,270 INFO L413 NwaCegarLoop]: 615 mSDtfsCounter, 479 mSDsluCounter, 1369 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 1984 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:09,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 1984 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:15:09,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2023-11-29 03:15:09,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 475. [2023-11-29 03:15:09,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 386 states have (on average 1.6191709844559585) internal successors, (625), 448 states have internal predecessors, (625), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:15:09,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 669 transitions. [2023-11-29 03:15:09,286 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 669 transitions. Word has length 22 [2023-11-29 03:15:09,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:09,286 INFO L495 AbstractCegarLoop]: Abstraction has 475 states and 669 transitions. [2023-11-29 03:15:09,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:09,286 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 669 transitions. [2023-11-29 03:15:09,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-29 03:15:09,287 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:09,287 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:09,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 03:15:09,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:15:09,492 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:09,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:09,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1548907114, now seen corresponding path program 1 times [2023-11-29 03:15:09,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:09,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178700859] [2023-11-29 03:15:09,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:09,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:09,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 03:15:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:09,645 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 03:15:09,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:09,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178700859] [2023-11-29 03:15:09,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178700859] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:09,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:15:09,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:15:09,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138125836] [2023-11-29 03:15:09,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:09,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:15:09,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:09,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:15:09,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:15:09,648 INFO L87 Difference]: Start difference. First operand 475 states and 669 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:09,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:09,767 INFO L93 Difference]: Finished difference Result 933 states and 1322 transitions. [2023-11-29 03:15:09,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:15:09,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2023-11-29 03:15:09,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:09,771 INFO L225 Difference]: With dead ends: 933 [2023-11-29 03:15:09,772 INFO L226 Difference]: Without dead ends: 478 [2023-11-29 03:15:09,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:15:09,773 INFO L413 NwaCegarLoop]: 627 mSDtfsCounter, 1 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:09,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1249 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:15:09,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2023-11-29 03:15:09,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 478. [2023-11-29 03:15:09,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 389 states have (on average 1.6143958868894601) internal successors, (628), 451 states have internal predecessors, (628), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:15:09,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 672 transitions. [2023-11-29 03:15:09,790 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 672 transitions. Word has length 27 [2023-11-29 03:15:09,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:09,790 INFO L495 AbstractCegarLoop]: Abstraction has 478 states and 672 transitions. [2023-11-29 03:15:09,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:09,791 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 672 transitions. [2023-11-29 03:15:09,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-29 03:15:09,792 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:09,792 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:09,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 03:15:09,792 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:09,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:09,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1855194900, now seen corresponding path program 1 times [2023-11-29 03:15:09,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:09,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336835295] [2023-11-29 03:15:09,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:09,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:09,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 03:15:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:09,918 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 03:15:09,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:09,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336835295] [2023-11-29 03:15:09,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336835295] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:09,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:15:09,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:15:09,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298575901] [2023-11-29 03:15:09,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:09,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:15:09,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:09,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:15:09,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:15:09,919 INFO L87 Difference]: Start difference. First operand 478 states and 672 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:10,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:10,092 INFO L93 Difference]: Finished difference Result 749 states and 1080 transitions. [2023-11-29 03:15:10,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:15:10,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2023-11-29 03:15:10,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:10,097 INFO L225 Difference]: With dead ends: 749 [2023-11-29 03:15:10,097 INFO L226 Difference]: Without dead ends: 747 [2023-11-29 03:15:10,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:15:10,099 INFO L413 NwaCegarLoop]: 623 mSDtfsCounter, 386 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 1237 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:10,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 1237 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:15:10,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2023-11-29 03:15:10,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 482. [2023-11-29 03:15:10,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 393 states have (on average 1.6106870229007633) internal successors, (633), 455 states have internal predecessors, (633), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:15:10,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 677 transitions. [2023-11-29 03:15:10,119 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 677 transitions. Word has length 29 [2023-11-29 03:15:10,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:10,119 INFO L495 AbstractCegarLoop]: Abstraction has 482 states and 677 transitions. [2023-11-29 03:15:10,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:10,120 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 677 transitions. [2023-11-29 03:15:10,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-29 03:15:10,120 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:10,120 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:10,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 03:15:10,121 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:10,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:10,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1636419853, now seen corresponding path program 1 times [2023-11-29 03:15:10,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:10,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913418689] [2023-11-29 03:15:10,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:10,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:10,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 03:15:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:10,263 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 03:15:10,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:10,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913418689] [2023-11-29 03:15:10,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913418689] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:15:10,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978095230] [2023-11-29 03:15:10,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:10,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:15:10,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:15:10,265 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:15:10,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 03:15:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:10,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:15:10,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:15:10,612 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:15:10,613 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:15:10,708 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:15:10,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978095230] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:15:10,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:15:10,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6, 7] total 14 [2023-11-29 03:15:10,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240117181] [2023-11-29 03:15:10,709 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:15:10,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 03:15:10,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:10,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 03:15:10,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:15:10,711 INFO L87 Difference]: Start difference. First operand 482 states and 677 transitions. Second operand has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:15:11,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:11,029 INFO L93 Difference]: Finished difference Result 967 states and 1363 transitions. [2023-11-29 03:15:11,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 03:15:11,030 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2023-11-29 03:15:11,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:11,033 INFO L225 Difference]: With dead ends: 967 [2023-11-29 03:15:11,033 INFO L226 Difference]: Without dead ends: 499 [2023-11-29 03:15:11,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:15:11,035 INFO L413 NwaCegarLoop]: 621 mSDtfsCounter, 7 mSDsluCounter, 3095 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3716 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:11,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 3716 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 03:15:11,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2023-11-29 03:15:11,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 499. [2023-11-29 03:15:11,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 411 states have (on average 1.5815085158150852) internal successors, (650), 472 states have internal predecessors, (650), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:15:11,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 694 transitions. [2023-11-29 03:15:11,057 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 694 transitions. Word has length 30 [2023-11-29 03:15:11,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:11,057 INFO L495 AbstractCegarLoop]: Abstraction has 499 states and 694 transitions. [2023-11-29 03:15:11,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 14 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:15:11,057 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 694 transitions. [2023-11-29 03:15:11,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-29 03:15:11,059 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:11,059 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:11,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 03:15:11,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:15:11,260 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:11,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:11,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1765536262, now seen corresponding path program 1 times [2023-11-29 03:15:11,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:11,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129892040] [2023-11-29 03:15:11,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:11,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:11,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:15:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:11,437 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-29 03:15:11,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:11,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129892040] [2023-11-29 03:15:11,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129892040] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:11,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:15:11,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:15:11,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537032302] [2023-11-29 03:15:11,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:11,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:15:11,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:11,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:15:11,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:15:11,440 INFO L87 Difference]: Start difference. First operand 499 states and 694 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:11,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:11,558 INFO L93 Difference]: Finished difference Result 513 states and 710 transitions. [2023-11-29 03:15:11,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:15:11,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2023-11-29 03:15:11,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:11,562 INFO L225 Difference]: With dead ends: 513 [2023-11-29 03:15:11,562 INFO L226 Difference]: Without dead ends: 511 [2023-11-29 03:15:11,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:15:11,563 INFO L413 NwaCegarLoop]: 624 mSDtfsCounter, 3 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1244 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:11,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1244 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:15:11,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2023-11-29 03:15:11,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 509. [2023-11-29 03:15:11,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 421 states have (on average 1.5748218527315914) internal successors, (663), 482 states have internal predecessors, (663), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:15:11,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 707 transitions. [2023-11-29 03:15:11,580 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 707 transitions. Word has length 49 [2023-11-29 03:15:11,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:11,581 INFO L495 AbstractCegarLoop]: Abstraction has 509 states and 707 transitions. [2023-11-29 03:15:11,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:11,581 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 707 transitions. [2023-11-29 03:15:11,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-29 03:15:11,582 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:11,582 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:11,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 03:15:11,583 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:11,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:11,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1765537991, now seen corresponding path program 1 times [2023-11-29 03:15:11,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:11,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755413313] [2023-11-29 03:15:11,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:11,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:11,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:15:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:11,727 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-29 03:15:11,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:11,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755413313] [2023-11-29 03:15:11,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755413313] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:11,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:15:11,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:15:11,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331350591] [2023-11-29 03:15:11,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:11,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:15:11,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:11,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:15:11,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:15:11,730 INFO L87 Difference]: Start difference. First operand 509 states and 707 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:11,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:11,837 INFO L93 Difference]: Finished difference Result 509 states and 707 transitions. [2023-11-29 03:15:11,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:15:11,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2023-11-29 03:15:11,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:11,841 INFO L225 Difference]: With dead ends: 509 [2023-11-29 03:15:11,841 INFO L226 Difference]: Without dead ends: 508 [2023-11-29 03:15:11,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:15:11,842 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 0 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1247 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:11,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1247 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:15:11,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2023-11-29 03:15:11,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 504. [2023-11-29 03:15:11,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 417 states have (on average 1.5755395683453237) internal successors, (657), 477 states have internal predecessors, (657), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:15:11,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 701 transitions. [2023-11-29 03:15:11,859 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 701 transitions. Word has length 49 [2023-11-29 03:15:11,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:11,859 INFO L495 AbstractCegarLoop]: Abstraction has 504 states and 701 transitions. [2023-11-29 03:15:11,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:11,860 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 701 transitions. [2023-11-29 03:15:11,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-29 03:15:11,860 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:11,861 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:11,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 03:15:11,861 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:11,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:11,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1136824805, now seen corresponding path program 1 times [2023-11-29 03:15:11,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:11,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382320559] [2023-11-29 03:15:11,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:11,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:12,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:15:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:12,042 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 03:15:12,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:12,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382320559] [2023-11-29 03:15:12,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382320559] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:15:12,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049622459] [2023-11-29 03:15:12,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:12,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:15:12,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:15:12,044 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:15:12,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 03:15:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:12,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:15:12,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:15:12,392 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 03:15:12,392 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:15:12,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049622459] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:12,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:15:12,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-11-29 03:15:12,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821014912] [2023-11-29 03:15:12,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:12,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:15:12,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:12,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:15:12,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:15:12,394 INFO L87 Difference]: Start difference. First operand 504 states and 701 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:12,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:12,609 INFO L93 Difference]: Finished difference Result 772 states and 1106 transitions. [2023-11-29 03:15:12,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:15:12,610 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 51 [2023-11-29 03:15:12,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:12,614 INFO L225 Difference]: With dead ends: 772 [2023-11-29 03:15:12,614 INFO L226 Difference]: Without dead ends: 771 [2023-11-29 03:15:12,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:15:12,615 INFO L413 NwaCegarLoop]: 1005 mSDtfsCounter, 772 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 1866 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:12,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 1866 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:15:12,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2023-11-29 03:15:12,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 503. [2023-11-29 03:15:12,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 417 states have (on average 1.5731414868105515) internal successors, (656), 476 states have internal predecessors, (656), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:15:12,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 700 transitions. [2023-11-29 03:15:12,639 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 700 transitions. Word has length 51 [2023-11-29 03:15:12,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:12,639 INFO L495 AbstractCegarLoop]: Abstraction has 503 states and 700 transitions. [2023-11-29 03:15:12,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:12,640 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 700 transitions. [2023-11-29 03:15:12,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-29 03:15:12,640 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:12,641 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:12,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 03:15:12,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 03:15:12,843 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:12,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:12,843 INFO L85 PathProgramCache]: Analyzing trace with hash 881830992, now seen corresponding path program 1 times [2023-11-29 03:15:12,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:12,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628592351] [2023-11-29 03:15:12,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:12,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:12,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:13,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:15:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:13,034 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 03:15:13,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:13,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628592351] [2023-11-29 03:15:13,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628592351] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:15:13,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612517051] [2023-11-29 03:15:13,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:13,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:15:13,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:15:13,036 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:15:13,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 03:15:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:13,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:15:13,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:15:13,437 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 03:15:13,438 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:15:13,462 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 03:15:13,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612517051] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:15:13,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:15:13,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-29 03:15:13,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801364441] [2023-11-29 03:15:13,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:15:13,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:15:13,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:13,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:15:13,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:15:13,500 INFO L87 Difference]: Start difference. First operand 503 states and 700 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:13,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:13,863 INFO L93 Difference]: Finished difference Result 1576 states and 2322 transitions. [2023-11-29 03:15:13,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:15:13,864 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2023-11-29 03:15:13,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:13,872 INFO L225 Difference]: With dead ends: 1576 [2023-11-29 03:15:13,872 INFO L226 Difference]: Without dead ends: 1575 [2023-11-29 03:15:13,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:15:13,873 INFO L413 NwaCegarLoop]: 619 mSDtfsCounter, 2310 mSDsluCounter, 2638 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2334 SdHoareTripleChecker+Valid, 3257 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:13,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2334 Valid, 3257 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 03:15:13,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2023-11-29 03:15:13,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 515. [2023-11-29 03:15:13,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 429 states have (on average 1.564102564102564) internal successors, (671), 488 states have internal predecessors, (671), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:15:13,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 715 transitions. [2023-11-29 03:15:13,906 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 715 transitions. Word has length 52 [2023-11-29 03:15:13,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:13,906 INFO L495 AbstractCegarLoop]: Abstraction has 515 states and 715 transitions. [2023-11-29 03:15:13,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:13,907 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 715 transitions. [2023-11-29 03:15:13,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 03:15:13,907 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:13,908 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:13,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 03:15:14,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 03:15:14,108 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:14,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:14,109 INFO L85 PathProgramCache]: Analyzing trace with hash 810645167, now seen corresponding path program 1 times [2023-11-29 03:15:14,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:14,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652565736] [2023-11-29 03:15:14,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:14,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:14,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:15:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:14,268 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-29 03:15:14,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:14,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652565736] [2023-11-29 03:15:14,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652565736] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:15:14,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187803549] [2023-11-29 03:15:14,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:14,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:15:14,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:15:14,270 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:15:14,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 03:15:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:14,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:15:14,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:15:14,695 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-29 03:15:14,695 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:15:14,714 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-29 03:15:14,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187803549] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:15:14,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:15:14,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-29 03:15:14,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905162203] [2023-11-29 03:15:14,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:15:14,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:15:14,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:14,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:15:14,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:15:14,716 INFO L87 Difference]: Start difference. First operand 515 states and 715 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:14,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:14,863 INFO L93 Difference]: Finished difference Result 1005 states and 1407 transitions. [2023-11-29 03:15:14,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:15:14,864 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2023-11-29 03:15:14,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:14,866 INFO L225 Difference]: With dead ends: 1005 [2023-11-29 03:15:14,866 INFO L226 Difference]: Without dead ends: 533 [2023-11-29 03:15:14,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:15:14,868 INFO L413 NwaCegarLoop]: 624 mSDtfsCounter, 4 mSDsluCounter, 1242 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1866 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:14,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1866 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:15:14,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2023-11-29 03:15:14,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 533. [2023-11-29 03:15:14,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 447 states have (on average 1.541387024608501) internal successors, (689), 506 states have internal predecessors, (689), 25 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 03:15:14,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 733 transitions. [2023-11-29 03:15:14,887 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 733 transitions. Word has length 57 [2023-11-29 03:15:14,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:14,888 INFO L495 AbstractCegarLoop]: Abstraction has 533 states and 733 transitions. [2023-11-29 03:15:14,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:14,888 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 733 transitions. [2023-11-29 03:15:14,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-29 03:15:14,888 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:14,888 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:14,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 03:15:15,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 03:15:15,089 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:15,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:15,090 INFO L85 PathProgramCache]: Analyzing trace with hash -208490749, now seen corresponding path program 1 times [2023-11-29 03:15:15,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:15,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584617839] [2023-11-29 03:15:15,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:15,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:15,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:15:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:15,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 03:15:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:15,361 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 03:15:15,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:15,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584617839] [2023-11-29 03:15:15,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584617839] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:15,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:15:15,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:15:15,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37727167] [2023-11-29 03:15:15,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:15,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:15:15,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:15,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:15:15,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:15:15,363 INFO L87 Difference]: Start difference. First operand 533 states and 733 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:15:15,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:15,990 INFO L93 Difference]: Finished difference Result 1080 states and 1522 transitions. [2023-11-29 03:15:15,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:15:15,991 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 60 [2023-11-29 03:15:15,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:15,996 INFO L225 Difference]: With dead ends: 1080 [2023-11-29 03:15:15,996 INFO L226 Difference]: Without dead ends: 650 [2023-11-29 03:15:15,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:15:15,998 INFO L413 NwaCegarLoop]: 637 mSDtfsCounter, 166 mSDsluCounter, 988 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 1625 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:15,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 1625 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 03:15:16,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2023-11-29 03:15:16,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 573. [2023-11-29 03:15:16,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 486 states have (on average 1.52880658436214) internal successors, (743), 545 states have internal predecessors, (743), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 03:15:16,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 789 transitions. [2023-11-29 03:15:16,020 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 789 transitions. Word has length 60 [2023-11-29 03:15:16,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:16,020 INFO L495 AbstractCegarLoop]: Abstraction has 573 states and 789 transitions. [2023-11-29 03:15:16,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:15:16,020 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 789 transitions. [2023-11-29 03:15:16,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-29 03:15:16,021 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:16,021 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:16,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 03:15:16,021 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:16,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:16,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1503867464, now seen corresponding path program 1 times [2023-11-29 03:15:16,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:16,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764729698] [2023-11-29 03:15:16,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:16,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:16,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:15:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:16,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 03:15:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:16,159 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 03:15:16,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:16,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764729698] [2023-11-29 03:15:16,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764729698] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:16,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:15:16,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:15:16,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145012147] [2023-11-29 03:15:16,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:16,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:15:16,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:16,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:15:16,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:15:16,161 INFO L87 Difference]: Start difference. First operand 573 states and 789 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2023-11-29 03:15:16,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:16,643 INFO L93 Difference]: Finished difference Result 597 states and 820 transitions. [2023-11-29 03:15:16,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:15:16,643 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 62 [2023-11-29 03:15:16,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:16,646 INFO L225 Difference]: With dead ends: 597 [2023-11-29 03:15:16,646 INFO L226 Difference]: Without dead ends: 595 [2023-11-29 03:15:16,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:15:16,647 INFO L413 NwaCegarLoop]: 618 mSDtfsCounter, 47 mSDsluCounter, 1039 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 1657 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:16,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 1657 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 03:15:16,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2023-11-29 03:15:16,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 573. [2023-11-29 03:15:16,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 486 states have (on average 1.5246913580246915) internal successors, (741), 545 states have internal predecessors, (741), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 03:15:16,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 787 transitions. [2023-11-29 03:15:16,685 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 787 transitions. Word has length 62 [2023-11-29 03:15:16,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:16,685 INFO L495 AbstractCegarLoop]: Abstraction has 573 states and 787 transitions. [2023-11-29 03:15:16,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2023-11-29 03:15:16,686 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 787 transitions. [2023-11-29 03:15:16,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-29 03:15:16,686 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:16,686 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:16,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 03:15:16,686 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:16,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:16,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1030455963, now seen corresponding path program 2 times [2023-11-29 03:15:16,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:16,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80356741] [2023-11-29 03:15:16,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:16,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:16,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:15:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:16,895 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-29 03:15:16,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:16,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80356741] [2023-11-29 03:15:16,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80356741] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:15:16,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484087989] [2023-11-29 03:15:16,895 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 03:15:16,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:15:16,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:15:16,897 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:15:16,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 03:15:17,286 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 03:15:17,286 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:15:17,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 03:15:17,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:15:17,358 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-11-29 03:15:17,359 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:15:17,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484087989] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:17,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:15:17,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2023-11-29 03:15:17,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812642314] [2023-11-29 03:15:17,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:17,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:15:17,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:17,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:15:17,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:15:17,361 INFO L87 Difference]: Start difference. First operand 573 states and 787 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:17,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:17,647 INFO L93 Difference]: Finished difference Result 1072 states and 1494 transitions. [2023-11-29 03:15:17,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:15:17,647 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2023-11-29 03:15:17,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:17,651 INFO L225 Difference]: With dead ends: 1072 [2023-11-29 03:15:17,651 INFO L226 Difference]: Without dead ends: 573 [2023-11-29 03:15:17,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:15:17,653 INFO L413 NwaCegarLoop]: 609 mSDtfsCounter, 488 mSDsluCounter, 1801 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 2410 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:17,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [498 Valid, 2410 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:15:17,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2023-11-29 03:15:17,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 573. [2023-11-29 03:15:17,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 486 states have (on average 1.522633744855967) internal successors, (740), 545 states have internal predecessors, (740), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 03:15:17,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 786 transitions. [2023-11-29 03:15:17,680 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 786 transitions. Word has length 64 [2023-11-29 03:15:17,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:17,680 INFO L495 AbstractCegarLoop]: Abstraction has 573 states and 786 transitions. [2023-11-29 03:15:17,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:17,680 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 786 transitions. [2023-11-29 03:15:17,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-29 03:15:17,681 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:17,681 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:17,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 03:15:17,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 03:15:17,888 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:17,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:17,889 INFO L85 PathProgramCache]: Analyzing trace with hash -764056931, now seen corresponding path program 2 times [2023-11-29 03:15:17,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:17,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468182906] [2023-11-29 03:15:17,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:17,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:18,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:15:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:18,166 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-11-29 03:15:18,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:18,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468182906] [2023-11-29 03:15:18,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468182906] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:15:18,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982660235] [2023-11-29 03:15:18,167 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 03:15:18,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:15:18,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:15:18,168 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:15:18,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 03:15:18,723 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 03:15:18,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:15:18,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:15:18,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:15:18,787 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-29 03:15:18,787 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:15:18,870 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-29 03:15:18,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982660235] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:15:18,871 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:15:18,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2023-11-29 03:15:18,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712822898] [2023-11-29 03:15:18,871 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:15:18,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-29 03:15:18,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:18,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 03:15:18,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:15:18,873 INFO L87 Difference]: Start difference. First operand 573 states and 786 transitions. Second operand has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:19,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:19,360 INFO L93 Difference]: Finished difference Result 1129 states and 1565 transitions. [2023-11-29 03:15:19,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 03:15:19,360 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 75 [2023-11-29 03:15:19,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:19,364 INFO L225 Difference]: With dead ends: 1129 [2023-11-29 03:15:19,364 INFO L226 Difference]: Without dead ends: 608 [2023-11-29 03:15:19,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=330, Invalid=792, Unknown=0, NotChecked=0, Total=1122 [2023-11-29 03:15:19,365 INFO L413 NwaCegarLoop]: 620 mSDtfsCounter, 11 mSDsluCounter, 3080 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 3700 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:19,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 3700 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 03:15:19,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2023-11-29 03:15:19,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 608. [2023-11-29 03:15:19,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 522 states have (on average 1.4846743295019158) internal successors, (775), 580 states have internal predecessors, (775), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 03:15:19,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 821 transitions. [2023-11-29 03:15:19,387 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 821 transitions. Word has length 75 [2023-11-29 03:15:19,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:19,387 INFO L495 AbstractCegarLoop]: Abstraction has 608 states and 821 transitions. [2023-11-29 03:15:19,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 14 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:19,388 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 821 transitions. [2023-11-29 03:15:19,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-29 03:15:19,389 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:19,389 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:19,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-29 03:15:19,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 03:15:19,592 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:19,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:19,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1033351347, now seen corresponding path program 1 times [2023-11-29 03:15:19,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:19,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519747314] [2023-11-29 03:15:19,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:19,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:19,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:15:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:19,948 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 03:15:19,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:19,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519747314] [2023-11-29 03:15:19,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519747314] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:15:19,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077789219] [2023-11-29 03:15:19,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:19,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:15:19,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:15:19,952 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:15:19,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 03:15:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:20,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 933 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:15:20,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:15:20,518 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 03:15:20,518 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:15:20,594 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 03:15:20,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077789219] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:15:20,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:15:20,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2023-11-29 03:15:20,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142659372] [2023-11-29 03:15:20,595 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:15:20,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 03:15:20,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:20,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 03:15:20,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:15:20,597 INFO L87 Difference]: Start difference. First operand 608 states and 821 transitions. Second operand has 13 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:21,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:21,283 INFO L93 Difference]: Finished difference Result 3683 states and 5407 transitions. [2023-11-29 03:15:21,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 03:15:21,283 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 99 [2023-11-29 03:15:21,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:21,298 INFO L225 Difference]: With dead ends: 3683 [2023-11-29 03:15:21,298 INFO L226 Difference]: Without dead ends: 3682 [2023-11-29 03:15:21,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:15:21,300 INFO L413 NwaCegarLoop]: 618 mSDtfsCounter, 6138 mSDsluCounter, 5437 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6198 SdHoareTripleChecker+Valid, 6055 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:21,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6198 Valid, 6055 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 03:15:21,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3682 states. [2023-11-29 03:15:21,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3682 to 632. [2023-11-29 03:15:21,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 546 states have (on average 1.4743589743589745) internal successors, (805), 604 states have internal predecessors, (805), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 03:15:21,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 851 transitions. [2023-11-29 03:15:21,356 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 851 transitions. Word has length 99 [2023-11-29 03:15:21,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:21,357 INFO L495 AbstractCegarLoop]: Abstraction has 632 states and 851 transitions. [2023-11-29 03:15:21,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:15:21,357 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 851 transitions. [2023-11-29 03:15:21,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 03:15:21,358 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:21,358 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:21,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 03:15:21,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:15:21,559 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:21,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:21,560 INFO L85 PathProgramCache]: Analyzing trace with hash 338693230, now seen corresponding path program 1 times [2023-11-29 03:15:21,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:21,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131876724] [2023-11-29 03:15:21,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:21,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:22,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:15:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:22,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:15:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:22,195 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 03:15:22,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:22,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131876724] [2023-11-29 03:15:22,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131876724] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:22,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:15:22,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:15:22,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449336691] [2023-11-29 03:15:22,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:22,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:15:22,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:22,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:15:22,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:15:22,197 INFO L87 Difference]: Start difference. First operand 632 states and 851 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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) [2023-11-29 03:15:22,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:22,861 INFO L93 Difference]: Finished difference Result 1227 states and 1735 transitions. [2023-11-29 03:15:22,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:15:22,862 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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 104 [2023-11-29 03:15:22,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:22,867 INFO L225 Difference]: With dead ends: 1227 [2023-11-29 03:15:22,867 INFO L226 Difference]: Without dead ends: 849 [2023-11-29 03:15:22,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:15:22,868 INFO L413 NwaCegarLoop]: 615 mSDtfsCounter, 1226 mSDsluCounter, 1016 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1236 SdHoareTripleChecker+Valid, 1631 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:22,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1236 Valid, 1631 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 03:15:22,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2023-11-29 03:15:22,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 634. [2023-11-29 03:15:22,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 548 states have (on average 1.4726277372262773) internal successors, (807), 606 states have internal predecessors, (807), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 03:15:22,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 853 transitions. [2023-11-29 03:15:22,901 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 853 transitions. Word has length 104 [2023-11-29 03:15:22,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:22,901 INFO L495 AbstractCegarLoop]: Abstraction has 634 states and 853 transitions. [2023-11-29 03:15:22,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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) [2023-11-29 03:15:22,901 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 853 transitions. [2023-11-29 03:15:22,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 03:15:22,902 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:22,902 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:22,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 03:15:22,902 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:22,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:22,902 INFO L85 PathProgramCache]: Analyzing trace with hash 2113700592, now seen corresponding path program 1 times [2023-11-29 03:15:22,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:22,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863816442] [2023-11-29 03:15:22,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:22,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:23,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:15:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:23,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:15:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:23,065 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 03:15:23,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:23,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863816442] [2023-11-29 03:15:23,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863816442] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:23,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:15:23,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:15:23,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11826662] [2023-11-29 03:15:23,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:23,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:15:23,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:23,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:15:23,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:15:23,067 INFO L87 Difference]: Start difference. First operand 634 states and 853 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2023-11-29 03:15:23,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:23,661 INFO L93 Difference]: Finished difference Result 1107 states and 1548 transitions. [2023-11-29 03:15:23,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:15:23,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 104 [2023-11-29 03:15:23,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:23,664 INFO L225 Difference]: With dead ends: 1107 [2023-11-29 03:15:23,664 INFO L226 Difference]: Without dead ends: 729 [2023-11-29 03:15:23,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:15:23,665 INFO L413 NwaCegarLoop]: 703 mSDtfsCounter, 161 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 1745 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:23,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 1745 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 03:15:23,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2023-11-29 03:15:23,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 637. [2023-11-29 03:15:23,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 553 states have (on average 1.4665461121157324) internal successors, (811), 609 states have internal predecessors, (811), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 03:15:23,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 857 transitions. [2023-11-29 03:15:23,707 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 857 transitions. Word has length 104 [2023-11-29 03:15:23,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:23,707 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 857 transitions. [2023-11-29 03:15:23,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2023-11-29 03:15:23,708 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 857 transitions. [2023-11-29 03:15:23,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 03:15:23,709 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:23,709 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:23,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 03:15:23,710 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:23,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:23,710 INFO L85 PathProgramCache]: Analyzing trace with hash 2114333083, now seen corresponding path program 1 times [2023-11-29 03:15:23,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:23,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640136559] [2023-11-29 03:15:23,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:23,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:23,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:15:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:24,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:15:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:24,026 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 03:15:24,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:24,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640136559] [2023-11-29 03:15:24,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640136559] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:24,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:15:24,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:15:24,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172205097] [2023-11-29 03:15:24,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:24,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:15:24,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:24,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:15:24,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:15:24,028 INFO L87 Difference]: Start difference. First operand 637 states and 857 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2023-11-29 03:15:24,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:24,542 INFO L93 Difference]: Finished difference Result 662 states and 892 transitions. [2023-11-29 03:15:24,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:15:24,545 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 104 [2023-11-29 03:15:24,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:24,548 INFO L225 Difference]: With dead ends: 662 [2023-11-29 03:15:24,548 INFO L226 Difference]: Without dead ends: 659 [2023-11-29 03:15:24,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:15:24,548 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 385 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 1212 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:24,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 1212 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 03:15:24,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2023-11-29 03:15:24,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 634. [2023-11-29 03:15:24,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 553 states have (on average 1.461121157323689) internal successors, (808), 606 states have internal predecessors, (808), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 03:15:24,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 854 transitions. [2023-11-29 03:15:24,574 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 854 transitions. Word has length 104 [2023-11-29 03:15:24,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:24,575 INFO L495 AbstractCegarLoop]: Abstraction has 634 states and 854 transitions. [2023-11-29 03:15:24,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2023-11-29 03:15:24,575 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 854 transitions. [2023-11-29 03:15:24,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-29 03:15:24,577 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:24,577 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:24,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 03:15:24,577 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:24,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:24,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1100209552, now seen corresponding path program 1 times [2023-11-29 03:15:24,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:24,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419223276] [2023-11-29 03:15:24,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:24,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:24,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:15:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:24,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:15:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:24,807 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 03:15:24,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:24,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419223276] [2023-11-29 03:15:24,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419223276] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:24,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:15:24,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:15:24,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895726776] [2023-11-29 03:15:24,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:24,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:15:24,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:24,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:15:24,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:15:24,809 INFO L87 Difference]: Start difference. First operand 634 states and 854 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2023-11-29 03:15:25,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:25,371 INFO L93 Difference]: Finished difference Result 1114 states and 1556 transitions. [2023-11-29 03:15:25,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:15:25,372 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 105 [2023-11-29 03:15:25,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:25,376 INFO L225 Difference]: With dead ends: 1114 [2023-11-29 03:15:25,376 INFO L226 Difference]: Without dead ends: 732 [2023-11-29 03:15:25,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:15:25,378 INFO L413 NwaCegarLoop]: 623 mSDtfsCounter, 281 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 1518 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:25,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 1518 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 03:15:25,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2023-11-29 03:15:25,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 619. [2023-11-29 03:15:25,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 542 states have (on average 1.4538745387453875) internal successors, (788), 591 states have internal predecessors, (788), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 03:15:25,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 834 transitions. [2023-11-29 03:15:25,416 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 834 transitions. Word has length 105 [2023-11-29 03:15:25,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:25,416 INFO L495 AbstractCegarLoop]: Abstraction has 619 states and 834 transitions. [2023-11-29 03:15:25,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2023-11-29 03:15:25,416 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 834 transitions. [2023-11-29 03:15:25,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-29 03:15:25,417 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:25,418 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:25,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 03:15:25,418 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:25,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:25,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1119816833, now seen corresponding path program 1 times [2023-11-29 03:15:25,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:25,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746671890] [2023-11-29 03:15:25,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:25,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:25,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:15:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:25,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:15:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:25,659 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 03:15:25,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:25,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746671890] [2023-11-29 03:15:25,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746671890] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:25,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:15:25,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:15:25,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673490349] [2023-11-29 03:15:25,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:25,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:15:25,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:25,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:15:25,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:15:25,661 INFO L87 Difference]: Start difference. First operand 619 states and 834 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2023-11-29 03:15:26,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:26,217 INFO L93 Difference]: Finished difference Result 690 states and 938 transitions. [2023-11-29 03:15:26,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:15:26,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 105 [2023-11-29 03:15:26,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:26,224 INFO L225 Difference]: With dead ends: 690 [2023-11-29 03:15:26,224 INFO L226 Difference]: Without dead ends: 689 [2023-11-29 03:15:26,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:15:26,225 INFO L413 NwaCegarLoop]: 606 mSDtfsCounter, 413 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 1339 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:26,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 1339 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 03:15:26,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2023-11-29 03:15:26,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 618. [2023-11-29 03:15:26,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 542 states have (on average 1.452029520295203) internal successors, (787), 590 states have internal predecessors, (787), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 03:15:26,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 833 transitions. [2023-11-29 03:15:26,258 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 833 transitions. Word has length 105 [2023-11-29 03:15:26,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:26,258 INFO L495 AbstractCegarLoop]: Abstraction has 618 states and 833 transitions. [2023-11-29 03:15:26,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2023-11-29 03:15:26,259 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 833 transitions. [2023-11-29 03:15:26,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-29 03:15:26,260 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:26,260 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 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] [2023-11-29 03:15:26,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 03:15:26,261 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:26,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:26,261 INFO L85 PathProgramCache]: Analyzing trace with hash 135977052, now seen corresponding path program 1 times [2023-11-29 03:15:26,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:26,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669598651] [2023-11-29 03:15:26,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:26,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:26,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:15:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:26,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:15:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:26,535 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 03:15:26,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:26,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669598651] [2023-11-29 03:15:26,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669598651] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:15:26,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557835497] [2023-11-29 03:15:26,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:26,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:15:26,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:15:26,536 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:15:26,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 03:15:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:26,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:15:26,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:15:27,009 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-29 03:15:27,009 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:15:27,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557835497] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:27,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:15:27,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2023-11-29 03:15:27,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719904246] [2023-11-29 03:15:27,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:27,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:15:27,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:27,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:15:27,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:15:27,010 INFO L87 Difference]: Start difference. First operand 618 states and 833 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:15:27,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:27,241 INFO L93 Difference]: Finished difference Result 1121 states and 1556 transitions. [2023-11-29 03:15:27,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:15:27,241 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 106 [2023-11-29 03:15:27,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:27,245 INFO L225 Difference]: With dead ends: 1121 [2023-11-29 03:15:27,245 INFO L226 Difference]: Without dead ends: 691 [2023-11-29 03:15:27,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:15:27,246 INFO L413 NwaCegarLoop]: 641 mSDtfsCounter, 549 mSDsluCounter, 1129 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 1770 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:27,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 1770 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:15:27,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2023-11-29 03:15:27,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 617. [2023-11-29 03:15:27,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 543 states have (on average 1.4438305709023942) internal successors, (784), 589 states have internal predecessors, (784), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 03:15:27,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 830 transitions. [2023-11-29 03:15:27,272 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 830 transitions. Word has length 106 [2023-11-29 03:15:27,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:27,272 INFO L495 AbstractCegarLoop]: Abstraction has 617 states and 830 transitions. [2023-11-29 03:15:27,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:15:27,272 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 830 transitions. [2023-11-29 03:15:27,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-29 03:15:27,273 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:27,273 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 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] [2023-11-29 03:15:27,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 03:15:27,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:15:27,474 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:27,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:27,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1824942495, now seen corresponding path program 1 times [2023-11-29 03:15:27,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:27,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810604792] [2023-11-29 03:15:27,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:27,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:27,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:15:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:27,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:15:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:27,670 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2023-11-29 03:15:27,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:27,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810604792] [2023-11-29 03:15:27,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810604792] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:27,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:15:27,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:15:27,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109456244] [2023-11-29 03:15:27,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:27,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:15:27,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:15:27,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:15:27,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:15:27,672 INFO L87 Difference]: Start difference. First operand 617 states and 830 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2023-11-29 03:15:28,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:28,103 INFO L93 Difference]: Finished difference Result 639 states and 861 transitions. [2023-11-29 03:15:28,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:15:28,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 108 [2023-11-29 03:15:28,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:28,106 INFO L225 Difference]: With dead ends: 639 [2023-11-29 03:15:28,106 INFO L226 Difference]: Without dead ends: 638 [2023-11-29 03:15:28,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:15:28,106 INFO L413 NwaCegarLoop]: 605 mSDtfsCounter, 48 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 1617 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:28,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 1617 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 03:15:28,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2023-11-29 03:15:28,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 616. [2023-11-29 03:15:28,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 543 states have (on average 1.441988950276243) internal successors, (783), 588 states have internal predecessors, (783), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 03:15:28,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 829 transitions. [2023-11-29 03:15:28,134 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 829 transitions. Word has length 108 [2023-11-29 03:15:28,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:28,134 INFO L495 AbstractCegarLoop]: Abstraction has 616 states and 829 transitions. [2023-11-29 03:15:28,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2023-11-29 03:15:28,134 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 829 transitions. [2023-11-29 03:15:28,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-29 03:15:28,135 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:28,135 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:28,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 03:15:28,135 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2023-11-29 03:15:28,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:28,136 INFO L85 PathProgramCache]: Analyzing trace with hash 738642952, now seen corresponding path program 1 times [2023-11-29 03:15:28,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:15:28,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937692142] [2023-11-29 03:15:28,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:28,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:15:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:32,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-29 03:15:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:32,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-29 03:15:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:32,501 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2023-11-29 03:15:32,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:15:32,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937692142] [2023-11-29 03:15:32,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937692142] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:15:32,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063642249] [2023-11-29 03:15:32,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:32,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:15:32,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:15:32,503 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:15:32,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcc2d641-80e6-4635-90fc-762fb72e191e/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 03:15:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:32,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 96 conjunts are in the unsatisfiable core [2023-11-29 03:15:33,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:15:33,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:15:33,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:15:33,073 INFO L349 Elim1Store]: treesize reduction 28, result has 31.7 percent of original size [2023-11-29 03:15:33,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2023-11-29 03:15:33,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:15:33,110 INFO L349 Elim1Store]: treesize reduction 13, result has 43.5 percent of original size [2023-11-29 03:15:33,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 21 [2023-11-29 03:15:33,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:15:33,163 INFO L349 Elim1Store]: treesize reduction 39, result has 37.1 percent of original size [2023-11-29 03:15:33,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 28 [2023-11-29 03:15:33,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:15:33,192 INFO L349 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2023-11-29 03:15:33,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 11 [2023-11-29 03:15:33,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:15:33,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:15:33,225 INFO L349 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2023-11-29 03:15:33,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 11 [2023-11-29 03:15:33,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:15:33,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:15:33,257 INFO L349 Elim1Store]: treesize reduction 61, result has 1.6 percent of original size [2023-11-29 03:15:33,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 11 [2023-11-29 03:15:33,282 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-29 03:15:33,282 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2023-11-29 03:15:33,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 03:15:33,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 03:15:33,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 03:15:33,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 03:15:33,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 03:15:33,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 03:15:33,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 03:15:33,586 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 03:15:33,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 03:15:33,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 03:15:33,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:15:33,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 03:15:33,754 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-29 03:15:33,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-11-29 03:15:33,808 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-11-29 03:15:33,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2023-11-29 03:15:33,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 03:15:33,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:15:33,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 57 [2023-11-29 03:15:33,932 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-29 03:15:33,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 115 treesize of output 109 [2023-11-29 03:15:33,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:15:33,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 11 [2023-11-29 03:15:33,960 INFO L349 Elim1Store]: treesize reduction 4, result has 75.0 percent of original size [2023-11-29 03:15:33,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2023-11-29 03:15:33,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:15:33,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 51 [2023-11-29 03:15:33,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:15:34,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 45 [2023-11-29 03:15:34,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:15:34,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 51 [2023-11-29 03:15:34,021 INFO L349 Elim1Store]: treesize reduction 54, result has 1.8 percent of original size [2023-11-29 03:15:34,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 109 treesize of output 93 [2023-11-29 03:15:34,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 35 [2023-11-29 03:15:34,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 26 [2023-11-29 03:15:34,153 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-29 03:15:34,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 98 [2023-11-29 03:15:34,184 INFO L349 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2023-11-29 03:15:34,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-29 03:15:34,357 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-29 03:15:34,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 98 [2023-11-29 03:15:34,390 INFO L349 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2023-11-29 03:15:34,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-29 03:15:34,535 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-29 03:15:34,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 98 [2023-11-29 03:15:34,559 INFO L349 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2023-11-29 03:15:34,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-29 03:15:34,684 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-29 03:15:34,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 98 [2023-11-29 03:15:34,712 INFO L349 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2023-11-29 03:15:34,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-29 03:15:34,841 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-29 03:15:34,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 98 [2023-11-29 03:15:34,870 INFO L349 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2023-11-29 03:15:34,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-29 03:15:35,002 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-29 03:15:35,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 98 [2023-11-29 03:15:35,031 INFO L349 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2023-11-29 03:15:35,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-29 03:15:35,143 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-29 03:15:35,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 98 [2023-11-29 03:15:35,157 INFO L349 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2023-11-29 03:15:35,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-29 03:15:35,284 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-29 03:15:35,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 98 [2023-11-29 03:15:35,300 INFO L349 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2023-11-29 03:15:35,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-29 03:15:35,444 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-29 03:15:35,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 104 treesize of output 98 [2023-11-29 03:15:35,460 INFO L349 Elim1Store]: treesize reduction 29, result has 37.0 percent of original size [2023-11-29 03:15:35,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-11-29 03:15:35,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 24 [2023-11-29 03:15:35,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 03:15:35,677 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2023-11-29 03:15:35,677 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:15:36,107 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4340 (Array Int Int)) (v_ArrVal_4341 (Array Int Int)) (v_ArrVal_4342 (Array Int Int)) (v_ArrVal_4343 (Array Int Int)) (v_ArrVal_4344 (Array Int Int))) (not (= 33 (select (select (let ((.cse3 (+ (* |c_ULTIMATE.start_main_~i~5#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse3))) (let ((.cse2 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4340))) (let ((.cse1 (select (select .cse2 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse3))) (store (store (store |c_#memory_int| .cse0 v_ArrVal_4341) .cse1 v_ArrVal_4342) (select (select (store .cse2 .cse1 v_ArrVal_4343) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse3) v_ArrVal_4344))))) 10) 0)))) is different from false [2023-11-29 03:15:36,130 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4340 (Array Int Int)) (v_ArrVal_4341 (Array Int Int)) (v_ArrVal_4342 (Array Int Int)) (v_ArrVal_4343 (Array Int Int)) (v_ArrVal_4344 (Array Int Int)) (v_ArrVal_4338 (Array Int Int)) (v_ArrVal_4339 (Array Int Int))) (not (= (select (select (let ((.cse4 (+ (* |c_ULTIMATE.start_main_~i~5#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse4))) (let ((.cse5 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4339))) (let ((.cse1 (select (select .cse5 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse4))) (let ((.cse3 (store .cse5 .cse1 v_ArrVal_4340))) (let ((.cse2 (select (select .cse3 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse4))) (store (store (store (store |c_#memory_int| .cse0 v_ArrVal_4338) .cse1 v_ArrVal_4341) .cse2 v_ArrVal_4342) (select (select (store .cse3 .cse2 v_ArrVal_4343) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse4) v_ArrVal_4344))))))) 10) 0) 33))) is different from false [2023-11-29 03:15:36,166 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4340 (Array Int Int)) (v_ArrVal_4341 (Array Int Int)) (v_ArrVal_4342 (Array Int Int)) (v_ArrVal_4343 (Array Int Int)) (v_ArrVal_4344 (Array Int Int)) (v_ArrVal_4336 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (v_ArrVal_4338 (Array Int Int)) (v_ArrVal_4339 (Array Int Int))) (not (= 33 (select (select (let ((.cse5 (+ (* |c_ULTIMATE.start_main_~i~5#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse5))) (let ((.cse7 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4337))) (let ((.cse1 (select (select .cse7 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse5))) (let ((.cse6 (store .cse7 .cse1 v_ArrVal_4339))) (let ((.cse2 (select (select .cse6 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse5))) (let ((.cse4 (store .cse6 .cse2 v_ArrVal_4340))) (let ((.cse3 (select (select .cse4 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse5))) (store (store (store (store (store |c_#memory_int| .cse0 v_ArrVal_4336) .cse1 v_ArrVal_4338) .cse2 v_ArrVal_4341) .cse3 v_ArrVal_4342) (select (select (store .cse4 .cse3 v_ArrVal_4343) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse5) v_ArrVal_4344))))))))) 10) 0)))) is different from false [2023-11-29 03:15:36,700 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4340 (Array Int Int)) (v_ArrVal_4341 (Array Int Int)) (v_ArrVal_4342 (Array Int Int)) (v_ArrVal_4343 (Array Int Int)) (v_ArrVal_4344 (Array Int Int)) (v_ArrVal_4334 (Array Int Int)) (v_ArrVal_4335 (Array Int Int)) (v_ArrVal_4336 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (v_ArrVal_4338 (Array Int Int)) (v_ArrVal_4339 (Array Int Int))) (not (= 33 (select (select (let ((.cse6 (+ (* |c_ULTIMATE.start_main_~i~5#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse6))) (let ((.cse9 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4334))) (let ((.cse1 (select (select .cse9 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse6))) (let ((.cse8 (store .cse9 .cse1 v_ArrVal_4337))) (let ((.cse2 (select (select .cse8 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse6))) (let ((.cse7 (store .cse8 .cse2 v_ArrVal_4339))) (let ((.cse3 (select (select .cse7 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse6))) (let ((.cse5 (store .cse7 .cse3 v_ArrVal_4340))) (let ((.cse4 (select (select .cse5 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse6))) (store (store (store (store (store (store |c_#memory_int| .cse0 v_ArrVal_4335) .cse1 v_ArrVal_4336) .cse2 v_ArrVal_4338) .cse3 v_ArrVal_4341) .cse4 v_ArrVal_4342) (select (select (store .cse5 .cse4 v_ArrVal_4343) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse6) v_ArrVal_4344))))))))))) 10) 0)))) is different from false [2023-11-29 03:15:48,358 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4340 (Array Int Int)) (v_ArrVal_4330 (Array Int Int)) (v_ArrVal_4341 (Array Int Int)) (v_ArrVal_4331 (Array Int Int)) (v_ArrVal_4342 (Array Int Int)) (v_ArrVal_4332 (Array Int Int)) (v_ArrVal_4343 (Array Int Int)) (v_ArrVal_4333 (Array Int Int)) (v_ArrVal_4344 (Array Int Int)) (v_ArrVal_4334 (Array Int Int)) (v_ArrVal_4335 (Array Int Int)) (v_ArrVal_4336 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (v_ArrVal_4338 (Array Int Int)) (v_ArrVal_4339 (Array Int Int))) (not (= 33 (select (select (let ((.cse8 (+ (* |c_ULTIMATE.start_main_~i~5#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (let ((.cse13 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4331))) (let ((.cse1 (select (select .cse13 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (let ((.cse12 (store .cse13 .cse1 v_ArrVal_4332))) (let ((.cse2 (select (select .cse12 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (let ((.cse11 (store .cse12 .cse2 v_ArrVal_4334))) (let ((.cse3 (select (select .cse11 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (let ((.cse10 (store .cse11 .cse3 v_ArrVal_4337))) (let ((.cse4 (select (select .cse10 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (let ((.cse9 (store .cse10 .cse4 v_ArrVal_4339))) (let ((.cse5 (select (select .cse9 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (let ((.cse7 (store .cse9 .cse5 v_ArrVal_4340))) (let ((.cse6 (select (select .cse7 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8))) (store (store (store (store (store (store (store (store |c_#memory_int| .cse0 v_ArrVal_4330) .cse1 v_ArrVal_4333) .cse2 v_ArrVal_4335) .cse3 v_ArrVal_4336) .cse4 v_ArrVal_4338) .cse5 v_ArrVal_4341) .cse6 v_ArrVal_4342) (select (select (store .cse7 .cse6 v_ArrVal_4343) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse8) v_ArrVal_4344))))))))))))))) 10) 0)))) is different from false [2023-11-29 03:15:52,869 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4340 (Array Int Int)) (v_ArrVal_4330 (Array Int Int)) (v_ArrVal_4341 (Array Int Int)) (v_ArrVal_4331 (Array Int Int)) (v_ArrVal_4342 (Array Int Int)) (v_ArrVal_4332 (Array Int Int)) (v_ArrVal_4343 (Array Int Int)) (v_ArrVal_4333 (Array Int Int)) (v_ArrVal_4344 (Array Int Int)) (v_ArrVal_4334 (Array Int Int)) (v_ArrVal_4335 (Array Int Int)) (v_ArrVal_4336 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (v_ArrVal_4338 (Array Int Int)) (v_ArrVal_4328 (Array Int Int)) (v_ArrVal_4339 (Array Int Int)) (v_ArrVal_4329 (Array Int Int))) (not (= 33 (select (select (let ((.cse9 (+ (* |c_ULTIMATE.start_main_~i~5#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse15 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4328))) (let ((.cse1 (select (select .cse15 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse14 (store .cse15 .cse1 v_ArrVal_4331))) (let ((.cse2 (select (select .cse14 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse13 (store .cse14 .cse2 v_ArrVal_4332))) (let ((.cse3 (select (select .cse13 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse12 (store .cse13 .cse3 v_ArrVal_4334))) (let ((.cse4 (select (select .cse12 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse11 (store .cse12 .cse4 v_ArrVal_4337))) (let ((.cse5 (select (select .cse11 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse10 (store .cse11 .cse5 v_ArrVal_4339))) (let ((.cse6 (select (select .cse10 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (let ((.cse8 (store .cse10 .cse6 v_ArrVal_4340))) (let ((.cse7 (select (select .cse8 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9))) (store (store (store (store (store (store (store (store (store |c_#memory_int| .cse0 v_ArrVal_4329) .cse1 v_ArrVal_4330) .cse2 v_ArrVal_4333) .cse3 v_ArrVal_4335) .cse4 v_ArrVal_4336) .cse5 v_ArrVal_4338) .cse6 v_ArrVal_4341) .cse7 v_ArrVal_4342) (select (select (store .cse8 .cse7 v_ArrVal_4343) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse9) v_ArrVal_4344))))))))))))))))) 10) 0)))) is different from false [2023-11-29 03:15:55,884 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4340 (Array Int Int)) (v_ArrVal_4330 (Array Int Int)) (v_ArrVal_4341 (Array Int Int)) (v_ArrVal_4331 (Array Int Int)) (v_ArrVal_4342 (Array Int Int)) (v_ArrVal_4332 (Array Int Int)) (v_ArrVal_4343 (Array Int Int)) (v_ArrVal_4333 (Array Int Int)) (v_ArrVal_4344 (Array Int Int)) (v_ArrVal_4334 (Array Int Int)) (v_ArrVal_4335 (Array Int Int)) (v_ArrVal_4336 (Array Int Int)) (v_ArrVal_4326 (Array Int Int)) (v_ArrVal_4337 (Array Int Int)) (v_ArrVal_4327 (Array Int Int)) (v_ArrVal_4338 (Array Int Int)) (v_ArrVal_4328 (Array Int Int)) (v_ArrVal_4339 (Array Int Int)) (v_ArrVal_4329 (Array Int Int))) (not (= (select (select (let ((.cse10 (+ (* |c_ULTIMATE.start_main_~i~5#1| 8) |c_ULTIMATE.start_main_~argv~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse17 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_4326))) (let ((.cse1 (select (select .cse17 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse16 (store .cse17 .cse1 v_ArrVal_4328))) (let ((.cse2 (select (select .cse16 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse15 (store .cse16 .cse2 v_ArrVal_4331))) (let ((.cse3 (select (select .cse15 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse14 (store .cse15 .cse3 v_ArrVal_4332))) (let ((.cse4 (select (select .cse14 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse13 (store .cse14 .cse4 v_ArrVal_4334))) (let ((.cse5 (select (select .cse13 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse12 (store .cse13 .cse5 v_ArrVal_4337))) (let ((.cse6 (select (select .cse12 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse11 (store .cse12 .cse6 v_ArrVal_4339))) (let ((.cse7 (select (select .cse11 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (let ((.cse9 (store .cse11 .cse7 v_ArrVal_4340))) (let ((.cse8 (select (select .cse9 |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10))) (store (store (store (store (store (store (store (store (store (store |c_#memory_int| .cse0 v_ArrVal_4327) .cse1 v_ArrVal_4329) .cse2 v_ArrVal_4330) .cse3 v_ArrVal_4333) .cse4 v_ArrVal_4335) .cse5 v_ArrVal_4336) .cse6 v_ArrVal_4338) .cse7 v_ArrVal_4341) .cse8 v_ArrVal_4342) (select (select (store .cse9 .cse8 v_ArrVal_4343) |c_ULTIMATE.start_main_~argv~0#1.base|) .cse10) v_ArrVal_4344))))))))))))))))))) 10) 0) 33))) is different from false [2023-11-29 03:15:55,990 INFO L349 Elim1Store]: treesize reduction 29, result has 46.3 percent of original size [2023-11-29 03:15:55,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 51167 treesize of output 14364