./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e63083161b3199c06a87ea66924e1f63d6865962e6a830baf344139b270d928 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:41:58,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:41:58,997 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 07:41:59,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:41:59,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:41:59,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:41:59,034 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:41:59,034 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:41:59,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:41:59,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:41:59,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:41:59,038 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:41:59,038 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:41:59,039 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:41:59,040 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:41:59,041 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:41:59,041 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:41:59,042 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:41:59,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:41:59,043 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:41:59,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:41:59,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:41:59,045 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:41:59,046 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:41:59,046 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:41:59,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:41:59,047 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:41:59,048 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:41:59,048 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:41:59,049 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:41:59,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:41:59,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:41:59,050 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:41:59,051 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:41:59,051 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:41:59,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:41:59,052 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:41:59,052 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:41:59,053 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:41:59,053 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:41:59,054 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:41:59,054 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_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e63083161b3199c06a87ea66924e1f63d6865962e6a830baf344139b270d928 [2023-11-19 07:41:59,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:41:59,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:41:59,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:41:59,471 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:41:59,471 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:41:59,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i [2023-11-19 07:42:02,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:42:03,322 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:42:03,323 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i [2023-11-19 07:42:03,375 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/data/bf5e7ea0d/d7e9f52408304647b565e3da6e8ea115/FLAG05a5f9edc [2023-11-19 07:42:03,406 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/data/bf5e7ea0d/d7e9f52408304647b565e3da6e8ea115 [2023-11-19 07:42:03,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:42:03,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:42:03,411 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:03,412 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:42:03,424 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:42:03,425 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:03" (1/1) ... [2023-11-19 07:42:03,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77995af5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:03, skipping insertion in model container [2023-11-19 07:42:03,429 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:03" (1/1) ... [2023-11-19 07:42:03,518 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:42:04,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:04,162 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:42:04,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:42:04,286 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:42:04,294 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:42:04,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:04 WrapperNode [2023-11-19 07:42:04,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:42:04,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:04,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:42:04,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:42:04,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:04" (1/1) ... [2023-11-19 07:42:04,366 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:04" (1/1) ... [2023-11-19 07:42:04,457 INFO L138 Inliner]: procedures = 177, calls = 299, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1335 [2023-11-19 07:42:04,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:42:04,458 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:42:04,458 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:42:04,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:42:04,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:04" (1/1) ... [2023-11-19 07:42:04,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:04" (1/1) ... [2023-11-19 07:42:04,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:04" (1/1) ... [2023-11-19 07:42:04,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:04" (1/1) ... [2023-11-19 07:42:04,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:04" (1/1) ... [2023-11-19 07:42:04,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:04" (1/1) ... [2023-11-19 07:42:04,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:04" (1/1) ... [2023-11-19 07:42:04,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:04" (1/1) ... [2023-11-19 07:42:04,564 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:42:04,565 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:42:04,566 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:42:04,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:42:04,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:04" (1/1) ... [2023-11-19 07:42:04,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:42:04,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:04,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:42:04,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:42:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 07:42:04,649 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 07:42:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:42:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 07:42:04,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 07:42:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:42:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:42:04,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:42:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2023-11-19 07:42:04,652 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2023-11-19 07:42:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:42:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:42:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:42:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:42:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 07:42:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:42:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:42:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:42:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:42:04,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:42:04,955 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:42:04,959 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:42:06,946 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:42:06,974 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:42:06,975 INFO L302 CfgBuilder]: Removed 62 assume(true) statements. [2023-11-19 07:42:06,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:06 BoogieIcfgContainer [2023-11-19 07:42:06,991 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:42:06,996 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:42:06,996 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:42:07,001 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:42:07,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:42:03" (1/3) ... [2023-11-19 07:42:07,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44744911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:07, skipping insertion in model container [2023-11-19 07:42:07,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:04" (2/3) ... [2023-11-19 07:42:07,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44744911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:42:07, skipping insertion in model container [2023-11-19 07:42:07,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:42:06" (3/3) ... [2023-11-19 07:42:07,011 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test8-1.i [2023-11-19 07:42:07,035 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:42:07,035 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-19 07:42:07,143 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:42:07,152 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;@29a05dca, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:42:07,152 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-19 07:42:07,160 INFO L276 IsEmpty]: Start isEmpty. Operand has 411 states, 376 states have (on average 1.702127659574468) internal successors, (640), 401 states have internal predecessors, (640), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 07:42:07,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 07:42:07,169 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:07,170 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:07,171 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:07,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:07,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1937382502, now seen corresponding path program 1 times [2023-11-19 07:42:07,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:07,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631154795] [2023-11-19 07:42:07,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:07,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:07,400 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:42:07,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1937621310] [2023-11-19 07:42:07,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:07,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:07,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:07,405 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:07,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:42:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:07,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 07:42:07,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:07,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-19 07:42:07,729 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 07:42:07,785 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-19 07:42:07,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-19 07:42:07,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 07:42:07,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2023-11-19 07:42:07,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:07,858 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:07,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:07,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631154795] [2023-11-19 07:42:07,859 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:42:07,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937621310] [2023-11-19 07:42:07,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937621310] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:07,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:07,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:42:07,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128378364] [2023-11-19 07:42:07,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:07,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:42:07,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:07,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:42:07,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:07,912 INFO L87 Difference]: Start difference. First operand has 411 states, 376 states have (on average 1.702127659574468) internal successors, (640), 401 states have internal predecessors, (640), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 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) [2023-11-19 07:42:09,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:09,220 INFO L93 Difference]: Finished difference Result 1091 states and 1857 transitions. [2023-11-19 07:42:09,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:42:09,224 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 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 [2023-11-19 07:42:09,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:09,258 INFO L225 Difference]: With dead ends: 1091 [2023-11-19 07:42:09,259 INFO L226 Difference]: Without dead ends: 673 [2023-11-19 07:42:09,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:42:09,271 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 583 mSDsluCounter, 1626 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 2203 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:09,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 2203 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-19 07:42:09,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2023-11-19 07:42:09,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 408. [2023-11-19 07:42:09,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 377 states have (on average 1.5172413793103448) internal successors, (572), 399 states have internal predecessors, (572), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 07:42:09,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 612 transitions. [2023-11-19 07:42:09,378 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 612 transitions. Word has length 7 [2023-11-19 07:42:09,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:09,379 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 612 transitions. [2023-11-19 07:42:09,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 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) [2023-11-19 07:42:09,380 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 612 transitions. [2023-11-19 07:42:09,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 07:42:09,387 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:09,387 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:09,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 07:42:09,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 07:42:09,606 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:09,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:09,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1031041034, now seen corresponding path program 1 times [2023-11-19 07:42:09,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:09,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450749408] [2023-11-19 07:42:09,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:09,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:10,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:10,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:10,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450749408] [2023-11-19 07:42:10,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450749408] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:10,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:10,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:42:10,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825468512] [2023-11-19 07:42:10,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:10,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:42:10,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:10,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:42:10,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:42:10,329 INFO L87 Difference]: Start difference. First operand 408 states and 612 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:42:10,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:10,832 INFO L93 Difference]: Finished difference Result 781 states and 1182 transitions. [2023-11-19 07:42:10,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:42:10,833 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2023-11-19 07:42:10,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:10,839 INFO L225 Difference]: With dead ends: 781 [2023-11-19 07:42:10,840 INFO L226 Difference]: Without dead ends: 569 [2023-11-19 07:42:10,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:10,843 INFO L413 NwaCegarLoop]: 590 mSDtfsCounter, 241 mSDsluCounter, 1110 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:10,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 1700 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 07:42:10,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2023-11-19 07:42:10,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 408. [2023-11-19 07:42:10,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 377 states have (on average 1.5145888594164456) internal successors, (571), 399 states have internal predecessors, (571), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 07:42:10,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 611 transitions. [2023-11-19 07:42:10,877 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 611 transitions. Word has length 72 [2023-11-19 07:42:10,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:10,877 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 611 transitions. [2023-11-19 07:42:10,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:42:10,878 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 611 transitions. [2023-11-19 07:42:10,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 07:42:10,883 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:10,883 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:10,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:42:10,884 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:10,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:10,885 INFO L85 PathProgramCache]: Analyzing trace with hash 510783737, now seen corresponding path program 1 times [2023-11-19 07:42:10,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:10,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622040269] [2023-11-19 07:42:10,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:10,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:10,978 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:42:10,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [143202418] [2023-11-19 07:42:10,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:10,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:10,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:10,981 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:10,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:42:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:11,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:42:11,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:11,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:11,406 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:11,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:11,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622040269] [2023-11-19 07:42:11,407 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:42:11,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143202418] [2023-11-19 07:42:11,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143202418] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:11,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:11,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:42:11,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414211133] [2023-11-19 07:42:11,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:11,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:11,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:11,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:11,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:11,411 INFO L87 Difference]: Start difference. First operand 408 states and 611 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:42:11,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:11,534 INFO L93 Difference]: Finished difference Result 829 states and 1245 transitions. [2023-11-19 07:42:11,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:11,535 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-11-19 07:42:11,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:11,540 INFO L225 Difference]: With dead ends: 829 [2023-11-19 07:42:11,540 INFO L226 Difference]: Without dead ends: 429 [2023-11-19 07:42:11,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:11,543 INFO L413 NwaCegarLoop]: 585 mSDtfsCounter, 10 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1155 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:11,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1155 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:42:11,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2023-11-19 07:42:11,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 428. [2023-11-19 07:42:11,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 397 states have (on average 1.4886649874055415) internal successors, (591), 419 states have internal predecessors, (591), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 07:42:11,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 631 transitions. [2023-11-19 07:42:11,568 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 631 transitions. Word has length 83 [2023-11-19 07:42:11,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:11,569 INFO L495 AbstractCegarLoop]: Abstraction has 428 states and 631 transitions. [2023-11-19 07:42:11,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:42:11,569 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 631 transitions. [2023-11-19 07:42:11,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 07:42:11,574 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:11,575 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:11,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:42:11,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:11,802 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:11,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:11,803 INFO L85 PathProgramCache]: Analyzing trace with hash 37923837, now seen corresponding path program 1 times [2023-11-19 07:42:11,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:11,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501952063] [2023-11-19 07:42:11,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:11,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:11,871 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:42:11,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1114270368] [2023-11-19 07:42:11,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:11,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:11,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:11,874 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:11,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:42:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:12,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:42:12,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:12,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:12,275 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:12,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:12,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501952063] [2023-11-19 07:42:12,276 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:42:12,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114270368] [2023-11-19 07:42:12,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114270368] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:12,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:12,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:42:12,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798069665] [2023-11-19 07:42:12,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:12,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:42:12,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:12,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:42:12,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:42:12,279 INFO L87 Difference]: Start difference. First operand 428 states and 631 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:42:12,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:12,401 INFO L93 Difference]: Finished difference Result 835 states and 1241 transitions. [2023-11-19 07:42:12,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:42:12,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-11-19 07:42:12,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:12,408 INFO L225 Difference]: With dead ends: 835 [2023-11-19 07:42:12,408 INFO L226 Difference]: Without dead ends: 415 [2023-11-19 07:42:12,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:12,411 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 165 mSDsluCounter, 1002 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 1580 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:12,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 1580 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:42:12,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2023-11-19 07:42:12,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 414. [2023-11-19 07:42:12,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 383 states have (on average 1.4882506527415145) internal successors, (570), 405 states have internal predecessors, (570), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 07:42:12,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 610 transitions. [2023-11-19 07:42:12,432 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 610 transitions. Word has length 83 [2023-11-19 07:42:12,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:12,472 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 610 transitions. [2023-11-19 07:42:12,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:42:12,473 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 610 transitions. [2023-11-19 07:42:12,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 07:42:12,483 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:12,483 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:12,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:42:12,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:12,699 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:12,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:12,700 INFO L85 PathProgramCache]: Analyzing trace with hash -866180561, now seen corresponding path program 1 times [2023-11-19 07:42:12,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:12,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343498616] [2023-11-19 07:42:12,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:12,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:12,773 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:42:12,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1851074905] [2023-11-19 07:42:12,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:12,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:12,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:12,777 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:12,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 07:42:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:13,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:42:13,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:13,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:13,309 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:13,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:13,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343498616] [2023-11-19 07:42:13,310 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:42:13,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851074905] [2023-11-19 07:42:13,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851074905] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:13,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:13,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:42:13,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892233628] [2023-11-19 07:42:13,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:13,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:42:13,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:13,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:42:13,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:42:13,313 INFO L87 Difference]: Start difference. First operand 414 states and 610 transitions. Second operand has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:42:13,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:13,434 INFO L93 Difference]: Finished difference Result 414 states and 610 transitions. [2023-11-19 07:42:13,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:42:13,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-11-19 07:42:13,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:13,440 INFO L225 Difference]: With dead ends: 414 [2023-11-19 07:42:13,440 INFO L226 Difference]: Without dead ends: 413 [2023-11-19 07:42:13,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:13,442 INFO L413 NwaCegarLoop]: 564 mSDtfsCounter, 533 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:13,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [533 Valid, 1111 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:42:13,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2023-11-19 07:42:13,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2023-11-19 07:42:13,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 383 states have (on average 1.485639686684073) internal successors, (569), 404 states have internal predecessors, (569), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 07:42:13,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 609 transitions. [2023-11-19 07:42:13,465 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 609 transitions. Word has length 83 [2023-11-19 07:42:13,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:13,466 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 609 transitions. [2023-11-19 07:42:13,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:42:13,466 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 609 transitions. [2023-11-19 07:42:13,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 07:42:13,467 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:13,468 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:13,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:42:13,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:13,681 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:13,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:13,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1081793566, now seen corresponding path program 1 times [2023-11-19 07:42:13,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:13,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143619630] [2023-11-19 07:42:13,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:13,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:13,744 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:42:13,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [167381036] [2023-11-19 07:42:13,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:13,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:13,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:13,746 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:13,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 07:42:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:42:14,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:14,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:14,225 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:14,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:14,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143619630] [2023-11-19 07:42:14,255 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:42:14,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167381036] [2023-11-19 07:42:14,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167381036] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:14,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:14,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:42:14,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407178476] [2023-11-19 07:42:14,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:14,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:42:14,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:14,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:42:14,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:42:14,257 INFO L87 Difference]: Start difference. First operand 413 states and 609 transitions. Second operand has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:42:14,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:14,342 INFO L93 Difference]: Finished difference Result 628 states and 935 transitions. [2023-11-19 07:42:14,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:42:14,343 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2023-11-19 07:42:14,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:14,348 INFO L225 Difference]: With dead ends: 628 [2023-11-19 07:42:14,348 INFO L226 Difference]: Without dead ends: 627 [2023-11-19 07:42:14,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:14,349 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 214 mSDsluCounter, 1160 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 1743 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:14,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 1743 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:42:14,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2023-11-19 07:42:14,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 596. [2023-11-19 07:42:14,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 561 states have (on average 1.4705882352941178) internal successors, (825), 582 states have internal predecessors, (825), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-19 07:42:14,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 873 transitions. [2023-11-19 07:42:14,378 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 873 transitions. Word has length 84 [2023-11-19 07:42:14,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:14,379 INFO L495 AbstractCegarLoop]: Abstraction has 596 states and 873 transitions. [2023-11-19 07:42:14,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:42:14,379 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 873 transitions. [2023-11-19 07:42:14,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 07:42:14,380 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:14,381 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:14,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:42:14,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:14,603 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:14,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:14,603 INFO L85 PathProgramCache]: Analyzing trace with hash 160560761, now seen corresponding path program 1 times [2023-11-19 07:42:14,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:14,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972417279] [2023-11-19 07:42:14,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:14,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:14,656 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:42:14,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1252679115] [2023-11-19 07:42:14,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:14,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:14,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:14,658 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:14,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 07:42:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:14,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:42:14,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:15,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:42:15,222 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:15,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:15,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972417279] [2023-11-19 07:42:15,222 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:42:15,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252679115] [2023-11-19 07:42:15,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252679115] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:15,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:15,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:42:15,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101818712] [2023-11-19 07:42:15,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:15,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:42:15,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:15,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:42:15,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:15,225 INFO L87 Difference]: Start difference. First operand 596 states and 873 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:42:15,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:15,350 INFO L93 Difference]: Finished difference Result 1206 states and 1776 transitions. [2023-11-19 07:42:15,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:42:15,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (2), 1 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 96 [2023-11-19 07:42:15,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:15,356 INFO L225 Difference]: With dead ends: 1206 [2023-11-19 07:42:15,357 INFO L226 Difference]: Without dead ends: 742 [2023-11-19 07:42:15,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:42:15,359 INFO L413 NwaCegarLoop]: 764 mSDtfsCounter, 343 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 1330 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:15,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 1330 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:42:15,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2023-11-19 07:42:15,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 739. [2023-11-19 07:42:15,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 703 states have (on average 1.4850640113798008) internal successors, (1044), 724 states have internal predecessors, (1044), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 07:42:15,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1094 transitions. [2023-11-19 07:42:15,398 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1094 transitions. Word has length 96 [2023-11-19 07:42:15,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:15,398 INFO L495 AbstractCegarLoop]: Abstraction has 739 states and 1094 transitions. [2023-11-19 07:42:15,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:42:15,399 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1094 transitions. [2023-11-19 07:42:15,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-19 07:42:15,400 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:15,400 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:15,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:42:15,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:15,624 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:15,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:15,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1025995542, now seen corresponding path program 1 times [2023-11-19 07:42:15,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:15,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762091817] [2023-11-19 07:42:15,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:15,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:15,730 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:42:15,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [80746338] [2023-11-19 07:42:15,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:15,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:15,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:15,732 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:15,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 07:42:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:16,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 07:42:16,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:16,234 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 07:42:16,263 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2023-11-19 07:42:16,263 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 19 treesize of output 18 [2023-11-19 07:42:16,323 INFO L349 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2023-11-19 07:42:16,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 34 treesize of output 31 [2023-11-19 07:42:16,726 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:42:16,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 45 treesize of output 23 [2023-11-19 07:42:16,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:42:16,983 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:16,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:16,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762091817] [2023-11-19 07:42:16,983 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:42:16,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80746338] [2023-11-19 07:42:16,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80746338] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:16,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:16,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-19 07:42:16,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739444838] [2023-11-19 07:42:16,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:16,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 07:42:16,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:16,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 07:42:16,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:42:16,988 INFO L87 Difference]: Start difference. First operand 739 states and 1094 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:42:19,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:19,049 INFO L93 Difference]: Finished difference Result 1606 states and 2376 transitions. [2023-11-19 07:42:19,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 07:42:19,050 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 111 [2023-11-19 07:42:19,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:19,058 INFO L225 Difference]: With dead ends: 1606 [2023-11-19 07:42:19,058 INFO L226 Difference]: Without dead ends: 951 [2023-11-19 07:42:19,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2023-11-19 07:42:19,062 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 463 mSDsluCounter, 2448 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 3020 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:19,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 3020 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-19 07:42:19,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2023-11-19 07:42:19,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 771. [2023-11-19 07:42:19,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 735 states have (on average 1.4707482993197278) internal successors, (1081), 756 states have internal predecessors, (1081), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 07:42:19,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1131 transitions. [2023-11-19 07:42:19,119 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1131 transitions. Word has length 111 [2023-11-19 07:42:19,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:19,120 INFO L495 AbstractCegarLoop]: Abstraction has 771 states and 1131 transitions. [2023-11-19 07:42:19,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:42:19,120 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1131 transitions. [2023-11-19 07:42:19,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-19 07:42:19,126 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:19,127 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:19,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:42:19,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-19 07:42:19,343 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:19,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:19,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1389840808, now seen corresponding path program 1 times [2023-11-19 07:42:19,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:19,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519662844] [2023-11-19 07:42:19,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:19,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:19,407 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:42:19,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1392777126] [2023-11-19 07:42:19,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:19,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:19,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:19,409 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:19,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 07:42:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:19,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:42:19,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:19,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:42:19,897 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:19,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:19,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519662844] [2023-11-19 07:42:19,897 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:42:19,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392777126] [2023-11-19 07:42:19,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392777126] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:19,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:19,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:42:19,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734167701] [2023-11-19 07:42:19,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:19,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:42:19,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:19,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:42:19,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:19,905 INFO L87 Difference]: Start difference. First operand 771 states and 1131 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:42:20,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:20,096 INFO L93 Difference]: Finished difference Result 1626 states and 2421 transitions. [2023-11-19 07:42:20,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:42:20,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 111 [2023-11-19 07:42:20,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:20,104 INFO L225 Difference]: With dead ends: 1626 [2023-11-19 07:42:20,105 INFO L226 Difference]: Without dead ends: 959 [2023-11-19 07:42:20,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:20,110 INFO L413 NwaCegarLoop]: 582 mSDtfsCounter, 148 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1730 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:20,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 1730 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:42:20,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2023-11-19 07:42:20,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 794. [2023-11-19 07:42:20,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 758 states have (on average 1.4551451187335092) internal successors, (1103), 779 states have internal predecessors, (1103), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 07:42:20,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1153 transitions. [2023-11-19 07:42:20,188 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1153 transitions. Word has length 111 [2023-11-19 07:42:20,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:20,188 INFO L495 AbstractCegarLoop]: Abstraction has 794 states and 1153 transitions. [2023-11-19 07:42:20,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:42:20,189 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1153 transitions. [2023-11-19 07:42:20,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-19 07:42:20,191 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:20,191 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:20,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:42:20,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-19 07:42:20,403 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:20,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:20,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1114216776, now seen corresponding path program 1 times [2023-11-19 07:42:20,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:20,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886397105] [2023-11-19 07:42:20,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:20,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:20,471 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:42:20,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [663942149] [2023-11-19 07:42:20,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:20,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:20,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:20,474 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:20,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-19 07:42:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:20,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 07:42:20,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:21,253 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:42:21,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 22 [2023-11-19 07:42:36,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:42:36,816 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:36,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:36,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886397105] [2023-11-19 07:42:36,817 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:42:36,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663942149] [2023-11-19 07:42:36,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663942149] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:36,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:36,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-19 07:42:36,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549511568] [2023-11-19 07:42:36,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:36,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 07:42:36,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:36,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 07:42:36,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:42:36,820 INFO L87 Difference]: Start difference. First operand 794 states and 1153 transitions. Second operand has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 12 states have internal predecessors, (101), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:42:38,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:38,747 INFO L93 Difference]: Finished difference Result 1511 states and 2208 transitions. [2023-11-19 07:42:38,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-19 07:42:38,747 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 12 states have internal predecessors, (101), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 112 [2023-11-19 07:42:38,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:38,754 INFO L225 Difference]: With dead ends: 1511 [2023-11-19 07:42:38,754 INFO L226 Difference]: Without dead ends: 831 [2023-11-19 07:42:38,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2023-11-19 07:42:38,757 INFO L413 NwaCegarLoop]: 583 mSDtfsCounter, 21 mSDsluCounter, 3650 mSDsCounter, 0 mSdLazyCounter, 1277 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 4233 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:38,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 4233 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1277 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-19 07:42:38,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2023-11-19 07:42:38,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 821. [2023-11-19 07:42:38,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 785 states have (on average 1.443312101910828) internal successors, (1133), 806 states have internal predecessors, (1133), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 07:42:38,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1183 transitions. [2023-11-19 07:42:38,799 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1183 transitions. Word has length 112 [2023-11-19 07:42:38,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:38,800 INFO L495 AbstractCegarLoop]: Abstraction has 821 states and 1183 transitions. [2023-11-19 07:42:38,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.416666666666666) internal successors, (101), 12 states have internal predecessors, (101), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:42:38,800 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1183 transitions. [2023-11-19 07:42:38,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 07:42:38,802 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:38,803 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:38,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:42:39,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-19 07:42:39,030 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:39,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:39,031 INFO L85 PathProgramCache]: Analyzing trace with hash 515720177, now seen corresponding path program 1 times [2023-11-19 07:42:39,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:39,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629570928] [2023-11-19 07:42:39,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:39,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:39,101 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:42:39,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1854886278] [2023-11-19 07:42:39,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:39,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:39,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:39,103 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:39,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-19 07:42:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:39,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 07:42:39,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:39,822 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:42:39,822 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:39,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:39,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629570928] [2023-11-19 07:42:39,827 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:42:39,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854886278] [2023-11-19 07:42:39,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854886278] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:39,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:39,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:42:39,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396573556] [2023-11-19 07:42:39,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:39,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:42:39,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:39,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:42:39,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:42:39,830 INFO L87 Difference]: Start difference. First operand 821 states and 1183 transitions. Second operand has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-19 07:42:39,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:39,894 INFO L93 Difference]: Finished difference Result 1481 states and 2148 transitions. [2023-11-19 07:42:39,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:42:39,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 113 [2023-11-19 07:42:39,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:39,901 INFO L225 Difference]: With dead ends: 1481 [2023-11-19 07:42:39,901 INFO L226 Difference]: Without dead ends: 827 [2023-11-19 07:42:39,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:42:39,904 INFO L413 NwaCegarLoop]: 594 mSDtfsCounter, 2 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1778 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:39,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1778 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:42:39,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2023-11-19 07:42:39,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 827. [2023-11-19 07:42:39,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 827 states, 789 states have (on average 1.443599493029151) internal successors, (1139), 812 states have internal predecessors, (1139), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 10 states have call predecessors, (27), 25 states have call successors, (27) [2023-11-19 07:42:39,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1191 transitions. [2023-11-19 07:42:39,943 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1191 transitions. Word has length 113 [2023-11-19 07:42:39,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:39,944 INFO L495 AbstractCegarLoop]: Abstraction has 827 states and 1191 transitions. [2023-11-19 07:42:39,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-19 07:42:39,944 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1191 transitions. [2023-11-19 07:42:39,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-19 07:42:39,946 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:39,946 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:39,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:42:40,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-19 07:42:40,159 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:40,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:40,160 INFO L85 PathProgramCache]: Analyzing trace with hash 861645747, now seen corresponding path program 1 times [2023-11-19 07:42:40,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:40,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726043139] [2023-11-19 07:42:40,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:40,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:40,226 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:42:40,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [423944260] [2023-11-19 07:42:40,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:40,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:40,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:40,229 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:40,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-19 07:42:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:40,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 07:42:40,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:43,162 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:42:43,162 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:43,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:43,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726043139] [2023-11-19 07:42:43,163 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:42:43,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423944260] [2023-11-19 07:42:43,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423944260] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:43,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:43,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:42:43,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389375978] [2023-11-19 07:42:43,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:43,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:42:43,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:43,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:42:43,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:42:43,168 INFO L87 Difference]: Start difference. First operand 827 states and 1191 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 7 states have internal predecessors, (103), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:42:44,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:44,127 INFO L93 Difference]: Finished difference Result 1541 states and 2237 transitions. [2023-11-19 07:42:44,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:42:44,128 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 7 states have internal predecessors, (103), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 115 [2023-11-19 07:42:44,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:44,135 INFO L225 Difference]: With dead ends: 1541 [2023-11-19 07:42:44,135 INFO L226 Difference]: Without dead ends: 847 [2023-11-19 07:42:44,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:42:44,139 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 16 mSDsluCounter, 2353 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2934 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:44,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2934 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 07:42:44,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2023-11-19 07:42:44,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 839. [2023-11-19 07:42:44,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 839 states, 801 states have (on average 1.4419475655430711) internal successors, (1155), 824 states have internal predecessors, (1155), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 10 states have call predecessors, (27), 25 states have call successors, (27) [2023-11-19 07:42:44,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 1207 transitions. [2023-11-19 07:42:44,205 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 1207 transitions. Word has length 115 [2023-11-19 07:42:44,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:44,205 INFO L495 AbstractCegarLoop]: Abstraction has 839 states and 1207 transitions. [2023-11-19 07:42:44,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 7 states have internal predecessors, (103), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:42:44,206 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1207 transitions. [2023-11-19 07:42:44,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 07:42:44,209 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:44,209 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:44,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:42:44,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-19 07:42:44,429 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:44,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:44,430 INFO L85 PathProgramCache]: Analyzing trace with hash -902888560, now seen corresponding path program 1 times [2023-11-19 07:42:44,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:44,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668593448] [2023-11-19 07:42:44,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:44,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:44,500 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:42:44,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [501989277] [2023-11-19 07:42:44,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:44,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:44,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:44,503 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:44,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-19 07:42:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:45,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 07:42:45,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:45,267 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:42:45,267 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:45,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:45,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668593448] [2023-11-19 07:42:45,268 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:42:45,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501989277] [2023-11-19 07:42:45,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501989277] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:45,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:45,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:42:45,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534871273] [2023-11-19 07:42:45,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:45,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:42:45,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:45,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:42:45,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:42:45,272 INFO L87 Difference]: Start difference. First operand 839 states and 1207 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:42:46,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:46,190 INFO L93 Difference]: Finished difference Result 1555 states and 2255 transitions. [2023-11-19 07:42:46,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:42:46,192 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 116 [2023-11-19 07:42:46,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:46,198 INFO L225 Difference]: With dead ends: 1555 [2023-11-19 07:42:46,198 INFO L226 Difference]: Without dead ends: 855 [2023-11-19 07:42:46,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:42:46,201 INFO L413 NwaCegarLoop]: 585 mSDtfsCounter, 15 mSDsluCounter, 2354 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2939 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:46,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2939 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 07:42:46,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2023-11-19 07:42:46,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 841. [2023-11-19 07:42:46,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 803 states have (on average 1.4433374844333748) internal successors, (1159), 826 states have internal predecessors, (1159), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 10 states have call predecessors, (27), 25 states have call successors, (27) [2023-11-19 07:42:46,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1211 transitions. [2023-11-19 07:42:46,246 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1211 transitions. Word has length 116 [2023-11-19 07:42:46,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:46,246 INFO L495 AbstractCegarLoop]: Abstraction has 841 states and 1211 transitions. [2023-11-19 07:42:46,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:42:46,246 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1211 transitions. [2023-11-19 07:42:46,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 07:42:46,248 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:46,249 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:46,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-19 07:42:46,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-19 07:42:46,475 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:46,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:46,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1332531847, now seen corresponding path program 1 times [2023-11-19 07:42:46,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:46,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071031443] [2023-11-19 07:42:46,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:46,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:46,549 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:42:46,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1409358080] [2023-11-19 07:42:46,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:46,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:46,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:46,557 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:46,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-19 07:42:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:47,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 07:42:47,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:47,183 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:42:47,183 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:47,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:47,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071031443] [2023-11-19 07:42:47,184 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:42:47,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409358080] [2023-11-19 07:42:47,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409358080] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:47,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:47,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:42:47,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208950756] [2023-11-19 07:42:47,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:47,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:42:47,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:47,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:42:47,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:42:47,187 INFO L87 Difference]: Start difference. First operand 841 states and 1211 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:42:47,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:47,863 INFO L93 Difference]: Finished difference Result 1560 states and 2264 transitions. [2023-11-19 07:42:47,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:42:47,864 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 116 [2023-11-19 07:42:47,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:47,870 INFO L225 Difference]: With dead ends: 1560 [2023-11-19 07:42:47,870 INFO L226 Difference]: Without dead ends: 863 [2023-11-19 07:42:47,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:42:47,873 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 21 mSDsluCounter, 2385 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 2962 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:47,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 2962 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 07:42:47,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2023-11-19 07:42:47,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 853. [2023-11-19 07:42:47,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 815 states have (on average 1.4441717791411044) internal successors, (1177), 838 states have internal predecessors, (1177), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 10 states have call predecessors, (27), 25 states have call successors, (27) [2023-11-19 07:42:47,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1229 transitions. [2023-11-19 07:42:47,915 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1229 transitions. Word has length 116 [2023-11-19 07:42:47,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:47,915 INFO L495 AbstractCegarLoop]: Abstraction has 853 states and 1229 transitions. [2023-11-19 07:42:47,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:42:47,916 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1229 transitions. [2023-11-19 07:42:47,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-19 07:42:47,917 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:47,918 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:47,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-19 07:42:48,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-19 07:42:48,131 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:48,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:48,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1110450262, now seen corresponding path program 1 times [2023-11-19 07:42:48,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:48,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305507424] [2023-11-19 07:42:48,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:48,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:48,183 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:42:48,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2033494943] [2023-11-19 07:42:48,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:48,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:48,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:48,184 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:48,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-19 07:42:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:48,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 07:42:48,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:48,850 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:42:48,850 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:48,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:48,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305507424] [2023-11-19 07:42:48,850 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:42:48,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033494943] [2023-11-19 07:42:48,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033494943] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:48,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:48,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:42:48,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536123861] [2023-11-19 07:42:48,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:48,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:42:48,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:48,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:42:48,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:42:48,853 INFO L87 Difference]: Start difference. First operand 853 states and 1229 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:42:49,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:42:49,217 INFO L93 Difference]: Finished difference Result 1573 states and 2281 transitions. [2023-11-19 07:42:49,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:42:49,218 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 117 [2023-11-19 07:42:49,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:42:49,223 INFO L225 Difference]: With dead ends: 1573 [2023-11-19 07:42:49,223 INFO L226 Difference]: Without dead ends: 859 [2023-11-19 07:42:49,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:42:49,226 INFO L413 NwaCegarLoop]: 588 mSDtfsCounter, 15 mSDsluCounter, 1562 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2150 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:42:49,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2150 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:42:49,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2023-11-19 07:42:49,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 857. [2023-11-19 07:42:49,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 819 states have (on average 1.442002442002442) internal successors, (1181), 842 states have internal predecessors, (1181), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 10 states have call predecessors, (27), 25 states have call successors, (27) [2023-11-19 07:42:49,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1233 transitions. [2023-11-19 07:42:49,262 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1233 transitions. Word has length 117 [2023-11-19 07:42:49,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:42:49,262 INFO L495 AbstractCegarLoop]: Abstraction has 857 states and 1233 transitions. [2023-11-19 07:42:49,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 07:42:49,263 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1233 transitions. [2023-11-19 07:42:49,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-19 07:42:49,265 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:42:49,265 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:42:49,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-19 07:42:49,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-19 07:42:49,478 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 07:42:49,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:42:49,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1608181282, now seen corresponding path program 1 times [2023-11-19 07:42:49,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:42:49,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198165545] [2023-11-19 07:42:49,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:49,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:42:49,529 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:42:49,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [205046248] [2023-11-19 07:42:49,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:42:49,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:42:49,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:42:49,530 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:42:49,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dac95462-2d5e-4c23-bb6e-b72a8a99271e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-19 07:42:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:42:50,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 07:42:50,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:42:50,644 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:42:50,644 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:42:50,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:42:50,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198165545] [2023-11-19 07:42:50,645 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:42:50,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205046248] [2023-11-19 07:42:50,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205046248] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:42:50,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:42:50,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-19 07:42:50,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341504659] [2023-11-19 07:42:50,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:42:50,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 07:42:50,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:42:50,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 07:42:50,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:42:50,648 INFO L87 Difference]: Start difference. First operand 857 states and 1233 transitions. Second operand has 10 states, 10 states have (on average 10.5) internal successors, (105), 10 states have internal predecessors, (105), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)