./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:39:58,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:39:58,170 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:39:58,181 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:39:58,182 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:39:58,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:39:58,208 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:39:58,209 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:39:58,209 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:39:58,210 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:39:58,211 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:39:58,211 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:39:58,212 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:39:58,213 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:39:58,213 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:39:58,214 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:39:58,214 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:39:58,215 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:39:58,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:39:58,216 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:39:58,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:39:58,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:39:58,218 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:39:58,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:39:58,219 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:39:58,220 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:39:58,220 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:39:58,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:39:58,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:39:58,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:39:58,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:39:58,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:39:58,224 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:39:58,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:39:58,225 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:39:58,226 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:39:58,226 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:39:58,227 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:39:58,228 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:39:58,228 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_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193 [2023-11-06 22:39:58,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:39:58,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:39:58,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:39:58,564 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:39:58,565 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:39:58,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i [2023-11-06 22:40:01,824 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:40:02,263 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:40:02,269 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i [2023-11-06 22:40:02,298 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/data/8cee03b34/dc2fe6f724854a168e1b04020842cc88/FLAG5f6078c54 [2023-11-06 22:40:02,312 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/data/8cee03b34/dc2fe6f724854a168e1b04020842cc88 [2023-11-06 22:40:02,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:40:02,317 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:40:02,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:40:02,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:40:02,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:40:02,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:40:02" (1/1) ... [2023-11-06 22:40:02,328 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585ded2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:02, skipping insertion in model container [2023-11-06 22:40:02,328 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:40:02" (1/1) ... [2023-11-06 22:40:02,412 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:40:03,087 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i[44118,44131] [2023-11-06 22:40:03,103 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i[44660,44673] [2023-11-06 22:40:03,246 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i[56247,56260] [2023-11-06 22:40:03,248 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i[56368,56381] [2023-11-06 22:40:03,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:40:03,282 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:40:03,321 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i[44118,44131] [2023-11-06 22:40:03,329 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i[44660,44673] [2023-11-06 22:40:03,456 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i[56247,56260] [2023-11-06 22:40:03,465 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i[56368,56381] [2023-11-06 22:40:03,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:40:03,560 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:40:03,567 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:40:03,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:03 WrapperNode [2023-11-06 22:40:03,568 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:40:03,569 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:40:03,570 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:40:03,570 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:40:03,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:03" (1/1) ... [2023-11-06 22:40:03,618 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:03" (1/1) ... [2023-11-06 22:40:03,738 INFO L138 Inliner]: procedures = 282, calls = 347, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1542 [2023-11-06 22:40:03,738 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:40:03,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:40:03,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:40:03,739 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:40:03,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:03" (1/1) ... [2023-11-06 22:40:03,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:03" (1/1) ... [2023-11-06 22:40:03,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:03" (1/1) ... [2023-11-06 22:40:03,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:03" (1/1) ... [2023-11-06 22:40:03,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:03" (1/1) ... [2023-11-06 22:40:03,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:03" (1/1) ... [2023-11-06 22:40:03,860 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:03" (1/1) ... [2023-11-06 22:40:03,869 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:03" (1/1) ... [2023-11-06 22:40:03,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:40:03,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:40:03,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:40:03,888 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:40:03,889 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:03" (1/1) ... [2023-11-06 22:40:03,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:40:03,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:03,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:40:03,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:40:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:40:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-06 22:40:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:40:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:40:03,988 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-11-06 22:40:03,988 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-11-06 22:40:03,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:40:03,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-06 22:40:03,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-06 22:40:03,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:40:03,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:40:03,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:40:03,990 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-11-06 22:40:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-11-06 22:40:03,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:40:03,990 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-11-06 22:40:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-11-06 22:40:03,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:40:03,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:40:03,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:40:04,332 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:40:04,334 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:40:06,138 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:40:06,149 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:40:06,149 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-06 22:40:06,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:40:06 BoogieIcfgContainer [2023-11-06 22:40:06,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:40:06,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:40:06,155 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:40:06,159 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:40:06,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:40:02" (1/3) ... [2023-11-06 22:40:06,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702422a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:40:06, skipping insertion in model container [2023-11-06 22:40:06,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:03" (2/3) ... [2023-11-06 22:40:06,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702422a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:40:06, skipping insertion in model container [2023-11-06 22:40:06,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:40:06" (3/3) ... [2023-11-06 22:40:06,162 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test6-2.i [2023-11-06 22:40:06,186 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:40:06,186 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-06 22:40:06,255 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:40:06,263 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=LoopsAndPotentialCycles, 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;@456ba4bc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:40:06,263 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-06 22:40:06,270 INFO L276 IsEmpty]: Start isEmpty. Operand has 431 states, 407 states have (on average 1.660933660933661) internal successors, (676), 411 states have internal predecessors, (676), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:40:06,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 22:40:06,278 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:06,279 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:40:06,280 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:40:06,285 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:06,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1053908008, now seen corresponding path program 1 times [2023-11-06 22:40:06,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:06,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588077613] [2023-11-06 22:40:06,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:06,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:06,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:06,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:06,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588077613] [2023-11-06 22:40:06,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588077613] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:06,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:06,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:40:06,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303771386] [2023-11-06 22:40:06,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:06,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:40:06,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:06,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:40:06,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:40:06,584 INFO L87 Difference]: Start difference. First operand has 431 states, 407 states have (on average 1.660933660933661) internal successors, (676), 411 states have internal predecessors, (676), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2023-11-06 22:40:06,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:06,668 INFO L93 Difference]: Finished difference Result 857 states and 1422 transitions. [2023-11-06 22:40:06,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:40:06,670 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2023-11-06 22:40:06,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:06,686 INFO L225 Difference]: With dead ends: 857 [2023-11-06 22:40:06,686 INFO L226 Difference]: Without dead ends: 424 [2023-11-06 22:40:06,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:40:06,696 INFO L413 NwaCegarLoop]: 624 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:06,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:40:06,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2023-11-06 22:40:06,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2023-11-06 22:40:06,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 401 states have (on average 1.4713216957605986) internal successors, (590), 405 states have internal predecessors, (590), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-06 22:40:06,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 620 transitions. [2023-11-06 22:40:06,774 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 620 transitions. Word has length 8 [2023-11-06 22:40:06,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:06,775 INFO L495 AbstractCegarLoop]: Abstraction has 424 states and 620 transitions. [2023-11-06 22:40:06,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2023-11-06 22:40:06,776 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 620 transitions. [2023-11-06 22:40:06,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-06 22:40:06,776 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:06,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:40:06,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:40:06,777 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:40:06,778 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:06,778 INFO L85 PathProgramCache]: Analyzing trace with hash -719765386, now seen corresponding path program 1 times [2023-11-06 22:40:06,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:06,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726392336] [2023-11-06 22:40:06,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:06,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:07,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:07,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:07,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726392336] [2023-11-06 22:40:07,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726392336] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:07,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:07,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:40:07,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571450591] [2023-11-06 22:40:07,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:07,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:40:07,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:07,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:40:07,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:40:07,065 INFO L87 Difference]: Start difference. First operand 424 states and 620 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2023-11-06 22:40:07,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:07,730 INFO L93 Difference]: Finished difference Result 967 states and 1432 transitions. [2023-11-06 22:40:07,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:40:07,731 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2023-11-06 22:40:07,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:07,738 INFO L225 Difference]: With dead ends: 967 [2023-11-06 22:40:07,738 INFO L226 Difference]: Without dead ends: 737 [2023-11-06 22:40:07,744 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 [2023-11-06 22:40:07,745 INFO L413 NwaCegarLoop]: 617 mSDtfsCounter, 453 mSDsluCounter, 1134 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 1751 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:07,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 1751 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:40:07,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2023-11-06 22:40:07,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 426. [2023-11-06 22:40:07,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 403 states have (on average 1.468982630272953) internal successors, (592), 407 states have internal predecessors, (592), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-06 22:40:07,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 622 transitions. [2023-11-06 22:40:07,806 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 622 transitions. Word has length 10 [2023-11-06 22:40:07,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:07,807 INFO L495 AbstractCegarLoop]: Abstraction has 426 states and 622 transitions. [2023-11-06 22:40:07,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2023-11-06 22:40:07,807 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 622 transitions. [2023-11-06 22:40:07,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 22:40:07,811 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:07,811 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] [2023-11-06 22:40:07,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:40:07,812 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:40:07,812 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:07,812 INFO L85 PathProgramCache]: Analyzing trace with hash 512859417, now seen corresponding path program 1 times [2023-11-06 22:40:07,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:07,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020274978] [2023-11-06 22:40:07,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:07,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:07,898 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:40:07,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [541388758] [2023-11-06 22:40:07,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:07,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:07,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:07,907 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:07,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:40:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:08,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:40:08,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:08,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:08,270 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:40:08,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:08,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020274978] [2023-11-06 22:40:08,271 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:40:08,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541388758] [2023-11-06 22:40:08,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541388758] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:08,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:08,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:40:08,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723577757] [2023-11-06 22:40:08,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:08,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:40:08,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:08,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:40:08,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:40:08,274 INFO L87 Difference]: Start difference. First operand 426 states and 622 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:08,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:08,386 INFO L93 Difference]: Finished difference Result 869 states and 1271 transitions. [2023-11-06 22:40:08,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:40:08,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2023-11-06 22:40:08,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:08,392 INFO L225 Difference]: With dead ends: 869 [2023-11-06 22:40:08,393 INFO L226 Difference]: Without dead ends: 447 [2023-11-06 22:40:08,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:40:08,398 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 9 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1185 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 [2023-11-06 22:40:08,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1185 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:40:08,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2023-11-06 22:40:08,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 446. [2023-11-06 22:40:08,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 423 states have (on average 1.446808510638298) internal successors, (612), 427 states have internal predecessors, (612), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-06 22:40:08,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 642 transitions. [2023-11-06 22:40:08,427 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 642 transitions. Word has length 66 [2023-11-06 22:40:08,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:08,428 INFO L495 AbstractCegarLoop]: Abstraction has 446 states and 642 transitions. [2023-11-06 22:40:08,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:08,428 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 642 transitions. [2023-11-06 22:40:08,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 22:40:08,439 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:08,439 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] [2023-11-06 22:40:08,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-06 22:40:08,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:08,646 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:40:08,646 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:08,646 INFO L85 PathProgramCache]: Analyzing trace with hash 264712923, now seen corresponding path program 1 times [2023-11-06 22:40:08,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:08,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007823448] [2023-11-06 22:40:08,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:08,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:08,724 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:40:08,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1171788303] [2023-11-06 22:40:08,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:08,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:08,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:08,742 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:08,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:40:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:09,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:40:09,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:09,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:09,089 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:40:09,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:09,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007823448] [2023-11-06 22:40:09,090 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:40:09,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171788303] [2023-11-06 22:40:09,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171788303] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:09,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:09,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:40:09,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210360954] [2023-11-06 22:40:09,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:09,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:40:09,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:09,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:40:09,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:40:09,093 INFO L87 Difference]: Start difference. First operand 446 states and 642 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:09,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:09,201 INFO L93 Difference]: Finished difference Result 875 states and 1267 transitions. [2023-11-06 22:40:09,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:40:09,201 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2023-11-06 22:40:09,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:09,205 INFO L225 Difference]: With dead ends: 875 [2023-11-06 22:40:09,205 INFO L226 Difference]: Without dead ends: 433 [2023-11-06 22:40:09,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:40:09,207 INFO L413 NwaCegarLoop]: 593 mSDtfsCounter, 165 mSDsluCounter, 1032 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 1625 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 [2023-11-06 22:40:09,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 1625 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:40:09,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2023-11-06 22:40:09,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 432. [2023-11-06 22:40:09,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 409 states have (on average 1.4449877750611246) internal successors, (591), 413 states have internal predecessors, (591), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-06 22:40:09,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 621 transitions. [2023-11-06 22:40:09,226 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 621 transitions. Word has length 66 [2023-11-06 22:40:09,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:09,226 INFO L495 AbstractCegarLoop]: Abstraction has 432 states and 621 transitions. [2023-11-06 22:40:09,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:09,227 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 621 transitions. [2023-11-06 22:40:09,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 22:40:09,228 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:09,228 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] [2023-11-06 22:40:09,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:09,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:09,435 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:40:09,435 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:09,435 INFO L85 PathProgramCache]: Analyzing trace with hash -30782195, now seen corresponding path program 1 times [2023-11-06 22:40:09,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:09,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683879756] [2023-11-06 22:40:09,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:09,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:09,473 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:40:09,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1500087641] [2023-11-06 22:40:09,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:09,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:09,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:09,475 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:09,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:40:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:09,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:40:09,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:09,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:09,900 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:40:09,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:09,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683879756] [2023-11-06 22:40:09,901 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:40:09,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500087641] [2023-11-06 22:40:09,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500087641] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:09,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:09,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:40:09,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551118751] [2023-11-06 22:40:09,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:09,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:40:09,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:09,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:40:09,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:40:09,907 INFO L87 Difference]: Start difference. First operand 432 states and 621 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:10,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:10,502 INFO L93 Difference]: Finished difference Result 909 states and 1304 transitions. [2023-11-06 22:40:10,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:40:10,503 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2023-11-06 22:40:10,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:10,507 INFO L225 Difference]: With dead ends: 909 [2023-11-06 22:40:10,508 INFO L226 Difference]: Without dead ends: 481 [2023-11-06 22:40:10,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:40:10,510 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 27 mSDsluCounter, 2580 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 3177 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:10,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 3177 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:40:10,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2023-11-06 22:40:10,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 472. [2023-11-06 22:40:10,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 449 states have (on average 1.423162583518931) internal successors, (639), 453 states have internal predecessors, (639), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-06 22:40:10,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 669 transitions. [2023-11-06 22:40:10,529 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 669 transitions. Word has length 66 [2023-11-06 22:40:10,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:10,530 INFO L495 AbstractCegarLoop]: Abstraction has 472 states and 669 transitions. [2023-11-06 22:40:10,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:10,531 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 669 transitions. [2023-11-06 22:40:10,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-06 22:40:10,532 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:10,532 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] [2023-11-06 22:40:10,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:10,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:10,740 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:40:10,741 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:10,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1975731849, now seen corresponding path program 1 times [2023-11-06 22:40:10,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:10,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430504072] [2023-11-06 22:40:10,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:10,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:10,788 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:40:10,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [793340081] [2023-11-06 22:40:10,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:10,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:10,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:10,793 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:10,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:40:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:11,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:40:11,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:11,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:11,501 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:40:11,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:11,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430504072] [2023-11-06 22:40:11,502 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:40:11,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793340081] [2023-11-06 22:40:11,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793340081] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:11,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:11,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:40:11,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651738336] [2023-11-06 22:40:11,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:11,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:40:11,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:11,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:40:11,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:40:11,505 INFO L87 Difference]: Start difference. First operand 472 states and 669 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:12,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:12,195 INFO L93 Difference]: Finished difference Result 958 states and 1362 transitions. [2023-11-06 22:40:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:40:12,196 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2023-11-06 22:40:12,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:12,200 INFO L225 Difference]: With dead ends: 958 [2023-11-06 22:40:12,200 INFO L226 Difference]: Without dead ends: 490 [2023-11-06 22:40:12,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:40:12,202 INFO L413 NwaCegarLoop]: 590 mSDtfsCounter, 47 mSDsluCounter, 2516 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 3106 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:12,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 3106 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:40:12,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2023-11-06 22:40:12,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 482. [2023-11-06 22:40:12,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 459 states have (on average 1.4270152505446623) internal successors, (655), 463 states have internal predecessors, (655), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-06 22:40:12,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 685 transitions. [2023-11-06 22:40:12,223 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 685 transitions. Word has length 67 [2023-11-06 22:40:12,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:12,223 INFO L495 AbstractCegarLoop]: Abstraction has 482 states and 685 transitions. [2023-11-06 22:40:12,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:12,224 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 685 transitions. [2023-11-06 22:40:12,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-06 22:40:12,225 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:12,225 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] [2023-11-06 22:40:12,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:12,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:12,438 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:40:12,438 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:12,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1313790664, now seen corresponding path program 1 times [2023-11-06 22:40:12,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:12,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784568009] [2023-11-06 22:40:12,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:12,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:12,503 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:40:12,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2078703024] [2023-11-06 22:40:12,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:12,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:12,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:12,505 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:12,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:40:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:13,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:40:13,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:14,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:14,147 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:40:14,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:14,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784568009] [2023-11-06 22:40:14,148 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:40:14,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078703024] [2023-11-06 22:40:14,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078703024] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:14,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:14,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:40:14,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016499917] [2023-11-06 22:40:14,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:14,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:40:14,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:14,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:40:14,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:40:14,153 INFO L87 Difference]: Start difference. First operand 482 states and 685 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:14,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:14,816 INFO L93 Difference]: Finished difference Result 958 states and 1364 transitions. [2023-11-06 22:40:14,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:40:14,818 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-11-06 22:40:14,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:14,823 INFO L225 Difference]: With dead ends: 958 [2023-11-06 22:40:14,823 INFO L226 Difference]: Without dead ends: 480 [2023-11-06 22:40:14,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:40:14,826 INFO L413 NwaCegarLoop]: 603 mSDtfsCounter, 11 mSDsluCounter, 1523 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2126 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:14,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2126 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:40:14,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2023-11-06 22:40:14,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 479. [2023-11-06 22:40:14,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 456 states have (on average 1.4254385964912282) internal successors, (650), 460 states have internal predecessors, (650), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-06 22:40:14,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 680 transitions. [2023-11-06 22:40:14,854 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 680 transitions. Word has length 68 [2023-11-06 22:40:14,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:14,855 INFO L495 AbstractCegarLoop]: Abstraction has 479 states and 680 transitions. [2023-11-06 22:40:14,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:14,856 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 680 transitions. [2023-11-06 22:40:14,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-06 22:40:14,858 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:14,858 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] [2023-11-06 22:40:14,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:15,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:15,070 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:40:15,070 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:15,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1853062836, now seen corresponding path program 1 times [2023-11-06 22:40:15,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:15,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104238452] [2023-11-06 22:40:15,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:15,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:15,141 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:40:15,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [333487205] [2023-11-06 22:40:15,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:15,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:15,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:15,144 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:15,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:40:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:16,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-06 22:40:16,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:16,908 INFO L351 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 [2023-11-06 22:40:17,001 INFO L322 Elim1Store]: treesize reduction 51, result has 22.7 percent of original size [2023-11-06 22:40:17,002 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2023-11-06 22:40:17,500 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:40:17,500 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 23 [2023-11-06 22:40:17,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:17,722 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:40:17,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:17,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104238452] [2023-11-06 22:40:17,722 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:40:17,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333487205] [2023-11-06 22:40:17,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333487205] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:17,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:17,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-06 22:40:17,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919733240] [2023-11-06 22:40:17,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:17,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:40:17,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:17,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:40:17,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:40:17,726 INFO L87 Difference]: Start difference. First operand 479 states and 680 transitions. Second operand has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 13 states have internal predecessors, (66), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:20,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:20,202 INFO L93 Difference]: Finished difference Result 1335 states and 1911 transitions. [2023-11-06 22:40:20,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:40:20,203 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 13 states have internal predecessors, (66), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-11-06 22:40:20,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:20,211 INFO L225 Difference]: With dead ends: 1335 [2023-11-06 22:40:20,212 INFO L226 Difference]: Without dead ends: 860 [2023-11-06 22:40:20,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:40:20,214 INFO L413 NwaCegarLoop]: 612 mSDtfsCounter, 907 mSDsluCounter, 3631 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 914 SdHoareTripleChecker+Valid, 4243 SdHoareTripleChecker+Invalid, 1135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:20,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [914 Valid, 4243 Invalid, 1135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1123 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-06 22:40:20,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2023-11-06 22:40:20,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 517. [2023-11-06 22:40:20,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 494 states have (on average 1.402834008097166) internal successors, (693), 498 states have internal predecessors, (693), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-06 22:40:20,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 723 transitions. [2023-11-06 22:40:20,243 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 723 transitions. Word has length 68 [2023-11-06 22:40:20,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:20,244 INFO L495 AbstractCegarLoop]: Abstraction has 517 states and 723 transitions. [2023-11-06 22:40:20,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 13 states have internal predecessors, (66), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:20,244 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 723 transitions. [2023-11-06 22:40:20,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-06 22:40:20,245 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:20,246 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] [2023-11-06 22:40:20,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:20,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:20,455 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:40:20,456 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:20,456 INFO L85 PathProgramCache]: Analyzing trace with hash 670454676, now seen corresponding path program 1 times [2023-11-06 22:40:20,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:20,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860685597] [2023-11-06 22:40:20,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:20,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:20,497 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:40:20,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1224196974] [2023-11-06 22:40:20,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:20,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:20,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:20,499 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:20,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:40:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:21,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-06 22:40:21,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:21,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:21,642 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:40:21,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:21,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860685597] [2023-11-06 22:40:21,643 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:40:21,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224196974] [2023-11-06 22:40:21,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224196974] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:21,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:21,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:40:21,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444565265] [2023-11-06 22:40:21,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:21,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:40:21,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:21,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:40:21,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:40:21,646 INFO L87 Difference]: Start difference. First operand 517 states and 723 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:22,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:22,333 INFO L93 Difference]: Finished difference Result 529 states and 735 transitions. [2023-11-06 22:40:22,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:40:22,334 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-11-06 22:40:22,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:22,337 INFO L225 Difference]: With dead ends: 529 [2023-11-06 22:40:22,337 INFO L226 Difference]: Without dead ends: 527 [2023-11-06 22:40:22,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:40:22,338 INFO L413 NwaCegarLoop]: 576 mSDtfsCounter, 1075 mSDsluCounter, 2417 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1077 SdHoareTripleChecker+Valid, 2993 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:22,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1077 Valid, 2993 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:40:22,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2023-11-06 22:40:22,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 527. [2023-11-06 22:40:22,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 501 states have (on average 1.3992015968063871) internal successors, (701), 506 states have internal predecessors, (701), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:40:22,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 733 transitions. [2023-11-06 22:40:22,362 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 733 transitions. Word has length 68 [2023-11-06 22:40:22,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:22,363 INFO L495 AbstractCegarLoop]: Abstraction has 527 states and 733 transitions. [2023-11-06 22:40:22,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:22,363 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 733 transitions. [2023-11-06 22:40:22,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-06 22:40:22,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:22,364 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:40:22,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:22,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:22,572 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:40:22,572 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:22,573 INFO L85 PathProgramCache]: Analyzing trace with hash -262435328, now seen corresponding path program 1 times [2023-11-06 22:40:22,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:22,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356847098] [2023-11-06 22:40:22,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:22,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:22,616 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:40:22,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1548293287] [2023-11-06 22:40:22,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:22,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:22,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:22,618 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:22,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:40:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:22,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:40:22,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:23,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:23,112 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:40:23,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:23,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:23,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356847098] [2023-11-06 22:40:23,335 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:40:23,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548293287] [2023-11-06 22:40:23,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548293287] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:40:23,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:40:23,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 9 [2023-11-06 22:40:23,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129901888] [2023-11-06 22:40:23,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:23,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:40:23,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:23,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:40:23,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:40:23,341 INFO L87 Difference]: Start difference. First operand 527 states and 733 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:40:23,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:23,652 INFO L93 Difference]: Finished difference Result 2123 states and 3022 transitions. [2023-11-06 22:40:23,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:40:23,653 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 83 [2023-11-06 22:40:23,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:23,665 INFO L225 Difference]: With dead ends: 2123 [2023-11-06 22:40:23,665 INFO L226 Difference]: Without dead ends: 1638 [2023-11-06 22:40:23,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 153 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:40:23,668 INFO L413 NwaCegarLoop]: 1615 mSDtfsCounter, 2427 mSDsluCounter, 1750 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2427 SdHoareTripleChecker+Valid, 3365 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:23,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2427 Valid, 3365 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:40:23,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1638 states. [2023-11-06 22:40:23,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1638 to 1392. [2023-11-06 22:40:23,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1392 states, 1342 states have (on average 1.4269746646795827) internal successors, (1915), 1350 states have internal predecessors, (1915), 33 states have call successors, (33), 13 states have call predecessors, (33), 13 states have return successors, (35), 28 states have call predecessors, (35), 33 states have call successors, (35) [2023-11-06 22:40:23,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1983 transitions. [2023-11-06 22:40:23,748 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1983 transitions. Word has length 83 [2023-11-06 22:40:23,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:23,748 INFO L495 AbstractCegarLoop]: Abstraction has 1392 states and 1983 transitions. [2023-11-06 22:40:23,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:40:23,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1983 transitions. [2023-11-06 22:40:23,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:40:23,750 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:23,750 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] [2023-11-06 22:40:23,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:23,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 22:40:23,958 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:40:23,959 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:23,959 INFO L85 PathProgramCache]: Analyzing trace with hash 2076242331, now seen corresponding path program 1 times [2023-11-06 22:40:23,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:23,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140679581] [2023-11-06 22:40:23,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:23,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:24,007 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:40:24,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [390059176] [2023-11-06 22:40:24,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:24,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:24,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:24,010 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:24,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:40:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:24,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:40:24,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:24,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:24,397 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:40:24,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:24,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140679581] [2023-11-06 22:40:24,397 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:40:24,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390059176] [2023-11-06 22:40:24,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390059176] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:24,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:24,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:40:24,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825678507] [2023-11-06 22:40:24,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:24,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:40:24,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:24,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:40:24,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:40:24,400 INFO L87 Difference]: Start difference. First operand 1392 states and 1983 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:24,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:24,463 INFO L93 Difference]: Finished difference Result 2745 states and 3925 transitions. [2023-11-06 22:40:24,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:40:24,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-11-06 22:40:24,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:24,473 INFO L225 Difference]: With dead ends: 2745 [2023-11-06 22:40:24,473 INFO L226 Difference]: Without dead ends: 1395 [2023-11-06 22:40:24,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:40:24,476 INFO L413 NwaCegarLoop]: 612 mSDtfsCounter, 0 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1219 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:24,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1219 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:40:24,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2023-11-06 22:40:24,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1395. [2023-11-06 22:40:24,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1395 states, 1345 states have (on average 1.4260223048327139) internal successors, (1918), 1353 states have internal predecessors, (1918), 33 states have call successors, (33), 13 states have call predecessors, (33), 13 states have return successors, (35), 28 states have call predecessors, (35), 33 states have call successors, (35) [2023-11-06 22:40:24,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 1986 transitions. [2023-11-06 22:40:24,545 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 1986 transitions. Word has length 81 [2023-11-06 22:40:24,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:24,546 INFO L495 AbstractCegarLoop]: Abstraction has 1395 states and 1986 transitions. [2023-11-06 22:40:24,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:24,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1986 transitions. [2023-11-06 22:40:24,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:40:24,547 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:24,548 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] [2023-11-06 22:40:24,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:24,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:24,755 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:40:24,755 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:24,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1825697955, now seen corresponding path program 1 times [2023-11-06 22:40:24,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:24,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411266769] [2023-11-06 22:40:24,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:24,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:24,853 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:40:24,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [466870917] [2023-11-06 22:40:24,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:24,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:24,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:24,871 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:24,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:40:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:25,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:40:25,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:25,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:25,650 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:40:25,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:25,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411266769] [2023-11-06 22:40:25,651 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:40:25,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466870917] [2023-11-06 22:40:25,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466870917] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:25,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:25,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:40:25,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145307586] [2023-11-06 22:40:25,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:25,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:40:25,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:25,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:40:25,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:40:25,654 INFO L87 Difference]: Start difference. First operand 1395 states and 1986 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:25,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:25,908 INFO L93 Difference]: Finished difference Result 3215 states and 4657 transitions. [2023-11-06 22:40:25,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:40:25,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-11-06 22:40:25,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:25,925 INFO L225 Difference]: With dead ends: 3215 [2023-11-06 22:40:25,925 INFO L226 Difference]: Without dead ends: 1862 [2023-11-06 22:40:25,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:40:25,930 INFO L413 NwaCegarLoop]: 828 mSDtfsCounter, 390 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 1395 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:25,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 1395 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:40:25,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1862 states. [2023-11-06 22:40:26,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1862 to 1378. [2023-11-06 22:40:26,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1378 states, 1336 states have (on average 1.4520958083832336) internal successors, (1940), 1342 states have internal predecessors, (1940), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (29), 25 states have call predecessors, (29), 28 states have call successors, (29) [2023-11-06 22:40:26,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 1997 transitions. [2023-11-06 22:40:26,019 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 1997 transitions. Word has length 81 [2023-11-06 22:40:26,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:26,020 INFO L495 AbstractCegarLoop]: Abstraction has 1378 states and 1997 transitions. [2023-11-06 22:40:26,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:40:26,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1997 transitions. [2023-11-06 22:40:26,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-06 22:40:26,024 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:26,025 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:40:26,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:26,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 22:40:26,233 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:40:26,233 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:26,233 INFO L85 PathProgramCache]: Analyzing trace with hash 931077370, now seen corresponding path program 1 times [2023-11-06 22:40:26,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:26,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163126533] [2023-11-06 22:40:26,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:26,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:26,293 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:40:26,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [417164332] [2023-11-06 22:40:26,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:26,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:26,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:26,296 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:26,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 22:40:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:26,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:40:26,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:26,968 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-06 22:40:26,968 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:40:26,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:26,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163126533] [2023-11-06 22:40:26,969 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:40:26,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417164332] [2023-11-06 22:40:26,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417164332] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:26,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:26,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:40:26,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619534480] [2023-11-06 22:40:26,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:26,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:40:26,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:26,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:40:26,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:40:26,973 INFO L87 Difference]: Start difference. First operand 1378 states and 1997 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:40:27,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:27,200 INFO L93 Difference]: Finished difference Result 2561 states and 3725 transitions. [2023-11-06 22:40:27,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:40:27,200 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 119 [2023-11-06 22:40:27,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:27,211 INFO L225 Difference]: With dead ends: 2561 [2023-11-06 22:40:27,211 INFO L226 Difference]: Without dead ends: 1378 [2023-11-06 22:40:27,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:40:27,214 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 128 mSDsluCounter, 2302 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 2899 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:27,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 2899 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:40:27,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1378 states. [2023-11-06 22:40:27,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1378 to 1378. [2023-11-06 22:40:27,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1378 states, 1336 states have (on average 1.4520958083832336) internal successors, (1940), 1342 states have internal predecessors, (1940), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 25 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-06 22:40:27,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 1996 transitions. [2023-11-06 22:40:27,310 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 1996 transitions. Word has length 119 [2023-11-06 22:40:27,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:27,311 INFO L495 AbstractCegarLoop]: Abstraction has 1378 states and 1996 transitions. [2023-11-06 22:40:27,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:40:27,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1996 transitions. [2023-11-06 22:40:27,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-06 22:40:27,316 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:27,317 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:40:27,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:27,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-06 22:40:27,527 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:40:27,527 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:27,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1605107756, now seen corresponding path program 1 times [2023-11-06 22:40:27,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:27,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995052866] [2023-11-06 22:40:27,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:27,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:27,586 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:40:27,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1348827228] [2023-11-06 22:40:27,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:27,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:27,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:27,588 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:27,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 22:40:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:28,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:40:28,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:28,094 INFO L351 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 15 treesize of output 1 [2023-11-06 22:40:28,103 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-06 22:40:28,110 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 22:40:28,110 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:40:28,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:28,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995052866] [2023-11-06 22:40:28,111 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:40:28,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348827228] [2023-11-06 22:40:28,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348827228] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:28,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:28,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:40:28,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192285048] [2023-11-06 22:40:28,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:28,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:40:28,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:28,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:40:28,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:40:28,114 INFO L87 Difference]: Start difference. First operand 1378 states and 1996 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-06 22:40:28,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:28,592 INFO L93 Difference]: Finished difference Result 1847 states and 2683 transitions. [2023-11-06 22:40:28,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:40:28,593 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 124 [2023-11-06 22:40:28,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:28,605 INFO L225 Difference]: With dead ends: 1847 [2023-11-06 22:40:28,605 INFO L226 Difference]: Without dead ends: 1740 [2023-11-06 22:40:28,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:40:28,607 INFO L413 NwaCegarLoop]: 606 mSDtfsCounter, 249 mSDsluCounter, 1128 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 1734 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:28,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 1734 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:40:28,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2023-11-06 22:40:28,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1382. [2023-11-06 22:40:28,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1382 states, 1340 states have (on average 1.4507462686567165) internal successors, (1944), 1346 states have internal predecessors, (1944), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 25 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-06 22:40:28,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 2000 transitions. [2023-11-06 22:40:28,696 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 2000 transitions. Word has length 124 [2023-11-06 22:40:28,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:28,696 INFO L495 AbstractCegarLoop]: Abstraction has 1382 states and 2000 transitions. [2023-11-06 22:40:28,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-06 22:40:28,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 2000 transitions. [2023-11-06 22:40:28,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-06 22:40:28,699 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:28,699 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2023-11-06 22:40:28,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:28,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-06 22:40:28,908 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:40:28,908 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:28,908 INFO L85 PathProgramCache]: Analyzing trace with hash -65911987, now seen corresponding path program 1 times [2023-11-06 22:40:28,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:28,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41030631] [2023-11-06 22:40:28,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:28,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:28,980 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:40:28,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [288268327] [2023-11-06 22:40:28,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:28,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:28,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:28,982 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:28,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 22:40:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:29,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-06 22:40:29,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:29,761 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-06 22:40:29,761 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:40:29,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:29,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41030631] [2023-11-06 22:40:29,762 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:40:29,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288268327] [2023-11-06 22:40:29,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288268327] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:29,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:29,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:40:29,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198207377] [2023-11-06 22:40:29,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:29,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:40:29,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:29,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:40:29,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:40:29,765 INFO L87 Difference]: Start difference. First operand 1382 states and 2000 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 8 states have internal predecessors, (112), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-06 22:40:29,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:29,984 INFO L93 Difference]: Finished difference Result 2577 states and 3744 transitions. [2023-11-06 22:40:29,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:40:29,985 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 8 states have internal predecessors, (112), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 135 [2023-11-06 22:40:29,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:29,995 INFO L225 Difference]: With dead ends: 2577 [2023-11-06 22:40:29,995 INFO L226 Difference]: Without dead ends: 1387 [2023-11-06 22:40:29,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:40:30,000 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 16 mSDsluCounter, 3559 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 4157 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:30,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 4157 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:40:30,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2023-11-06 22:40:30,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1387. [2023-11-06 22:40:30,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1387 states, 1344 states have (on average 1.4501488095238095) internal successors, (1949), 1351 states have internal predecessors, (1949), 28 states have call successors, (28), 10 states have call predecessors, (28), 11 states have return successors, (29), 25 states have call predecessors, (29), 28 states have call successors, (29) [2023-11-06 22:40:30,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 2006 transitions. [2023-11-06 22:40:30,113 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 2006 transitions. Word has length 135 [2023-11-06 22:40:30,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:30,113 INFO L495 AbstractCegarLoop]: Abstraction has 1387 states and 2006 transitions. [2023-11-06 22:40:30,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 8 states have internal predecessors, (112), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-06 22:40:30,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 2006 transitions. [2023-11-06 22:40:30,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-06 22:40:30,116 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:30,116 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:40:30,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:30,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-06 22:40:30,328 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:40:30,328 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:30,328 INFO L85 PathProgramCache]: Analyzing trace with hash 157122231, now seen corresponding path program 1 times [2023-11-06 22:40:30,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:30,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387179188] [2023-11-06 22:40:30,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:30,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:30,387 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:40:30,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1653922344] [2023-11-06 22:40:30,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:30,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:30,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:30,389 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:30,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 22:40:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:31,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 169 conjunts are in the unsatisfiable core [2023-11-06 22:40:31,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:31,309 INFO L351 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 [2023-11-06 22:40:31,328 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-06 22:40:31,328 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 13 [2023-11-06 22:40:31,396 INFO L322 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-06 22:40:31,397 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 25 [2023-11-06 22:40:31,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:40:31,550 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2023-11-06 22:40:31,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:40:31,561 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-06 22:40:32,789 INFO L322 Elim1Store]: treesize reduction 28, result has 49.1 percent of original size [2023-11-06 22:40:32,790 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 45 [2023-11-06 22:40:32,916 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 22:40:32,923 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 22:40:33,127 INFO L351 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 36 treesize of output 24 [2023-11-06 22:40:34,065 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-06 22:40:34,066 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 61 [2023-11-06 22:40:34,087 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-06 22:40:34,302 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:40:34,303 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2370 treesize of output 1946 [2023-11-06 22:40:34,341 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:40:34,342 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2309 treesize of output 1885 [2023-11-06 22:40:34,404 INFO L322 Elim1Store]: treesize reduction 55, result has 8.3 percent of original size [2023-11-06 22:40:34,405 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1813 treesize of output 1319 [2023-11-06 22:40:34,424 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 22 [2023-11-06 22:40:34,434 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2023-11-06 22:40:34,454 INFO L322 Elim1Store]: treesize reduction 27, result has 15.6 percent of original size [2023-11-06 22:40:34,455 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 69 treesize of output 60 [2023-11-06 22:40:34,480 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2023-11-06 22:40:34,511 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 22:40:34,511 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1528 treesize of output 1 [2023-11-06 22:40:34,549 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:40:34,550 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2059 treesize of output 1701 [2023-11-06 22:40:34,584 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:40:34,585 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 1998 treesize of output 1640 [2023-11-06 22:40:34,626 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 22:40:34,626 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 2199 treesize of output 1764 [2023-11-06 22:40:34,678 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:40:34,679 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3790 treesize of output 2942 [2023-11-06 22:40:34,720 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:40:34,721 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 3886 treesize of output 3010 [2023-11-06 22:40:34,794 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:40:34,795 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 4564 treesize of output 3530 [2023-11-06 22:40:34,855 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:40:34,856 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 4235 treesize of output 3265 [2023-11-06 22:40:34,898 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 22:40:34,899 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 2498 treesize of output 1981 [2023-11-06 22:40:35,007 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:40:35,008 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2370 treesize of output 1946 [2023-11-06 22:40:35,043 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:40:35,044 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2309 treesize of output 1885 [2023-11-06 22:40:35,078 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 22:40:35,079 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1813 treesize of output 1 [2023-11-06 22:40:35,118 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 22:40:35,119 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 2463 treesize of output 1958 [2023-11-06 22:40:35,175 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:40:35,176 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 4232 treesize of output 3274 [2023-11-06 22:40:35,223 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:40:35,224 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 4525 treesize of output 3503 [2023-11-06 22:40:35,257 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 22:40:35,258 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 1744 treesize of output 1 [2023-11-06 22:40:35,297 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:40:35,297 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2301 treesize of output 1887 [2023-11-06 22:40:35,337 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:40:35,338 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 2240 treesize of output 1826 [2023-11-06 22:40:35,671 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:40:35,680 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 40 [2023-11-06 22:40:35,731 INFO L322 Elim1Store]: treesize reduction 8, result has 80.5 percent of original size [2023-11-06 22:40:35,731 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 58 [2023-11-06 22:40:35,934 INFO L322 Elim1Store]: treesize reduction 334, result has 7.5 percent of original size [2023-11-06 22:40:35,935 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 550 treesize of output 363 [2023-11-06 22:40:35,970 INFO L322 Elim1Store]: treesize reduction 106, result has 4.5 percent of original size [2023-11-06 22:40:35,971 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 283 treesize of output 218 [2023-11-06 22:40:35,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:40:35,981 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 109 [2023-11-06 22:40:35,987 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2023-11-06 22:40:36,006 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2023-11-06 22:40:36,023 INFO L322 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2023-11-06 22:40:36,024 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 364 treesize of output 262 [2023-11-06 22:40:36,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:40:36,514 INFO L322 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2023-11-06 22:40:36,515 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 168 treesize of output 87 [2023-11-06 22:40:36,549 INFO L322 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2023-11-06 22:40:36,549 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 144 treesize of output 111 [2023-11-06 22:40:37,002 INFO L322 Elim1Store]: treesize reduction 194, result has 11.8 percent of original size [2023-11-06 22:40:37,003 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 214 treesize of output 139 [2023-11-06 22:40:37,052 INFO L322 Elim1Store]: treesize reduction 100, result has 16.0 percent of original size [2023-11-06 22:40:37,053 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 167 treesize of output 140 [2023-11-06 22:40:37,677 INFO L322 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2023-11-06 22:40:37,677 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 367 treesize of output 191 [2023-11-06 22:40:37,722 INFO L322 Elim1Store]: treesize reduction 56, result has 16.4 percent of original size [2023-11-06 22:40:37,723 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 321 treesize of output 239 [2023-11-06 22:40:37,742 INFO L322 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2023-11-06 22:40:37,742 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 238 treesize of output 117 [2023-11-06 22:40:37,755 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 52 [2023-11-06 22:40:37,766 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 39 [2023-11-06 22:40:37,771 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2023-11-06 22:40:37,836 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 23 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:37,837 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:40:37,972 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse10 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12)) (.cse11 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12))) (let ((.cse0 (mod |c_ULTIMATE.start_main_~_ha_bkt~0#1| 4294967296)) (.cse3 (select (select |c_#memory_$Pointer$.base| .cse10) .cse11))) (let ((.cse5 (select |c_#memory_$Pointer$.base| .cse3)) (.cse1 (select |c_#memory_$Pointer$.offset| .cse3)) (.cse6 (* .cse0 12)) (.cse7 (select (select |c_#memory_$Pointer$.offset| .cse10) .cse11))) (and (or (< .cse0 2147483648) (let ((.cse2 (+ .cse6 .cse7 (- 51539607548))) (.cse4 (+ (- 51539607552) .cse6 .cse7))) (and (forall ((v_ArrVal_2754 (Array Int Int))) (or (not (= (store .cse1 .cse2 (select v_ArrVal_2754 .cse2)) v_ArrVal_2754)) (forall ((v_ArrVal_2755 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.offset| .cse3 v_ArrVal_2754) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2755) .cse3) .cse4) 0)))) (forall ((v_ArrVal_2758 (Array Int Int)) (v_ArrVal_2757 Int)) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse3 (store .cse5 .cse2 v_ArrVal_2757)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2758) .cse3) .cse4) 0))))) (or (let ((.cse9 (+ .cse6 .cse7)) (.cse8 (+ .cse6 .cse7 4))) (and (forall ((v_ArrVal_2758 (Array Int Int)) (v_ArrVal_2757 Int)) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse3 (store .cse5 .cse8 v_ArrVal_2757)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2758) .cse3) .cse9) 0)) (forall ((v_ArrVal_2754 (Array Int Int))) (or (forall ((v_ArrVal_2755 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.offset| .cse3 v_ArrVal_2754) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2755) .cse3) .cse9) 0)) (not (= (store .cse1 .cse8 (select v_ArrVal_2754 .cse8)) v_ArrVal_2754)))))) (< 2147483647 .cse0))))))) is different from false [2023-11-06 22:40:38,097 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse10 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12)) (.cse11 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12))) (let ((.cse0 (mod |c_ULTIMATE.start_main_#t~nondet117#1| 4294967296)) (.cse1 (select (select |c_#memory_$Pointer$.base| .cse10) .cse11))) (let ((.cse2 (select |c_#memory_$Pointer$.base| .cse1)) (.cse5 (select |c_#memory_$Pointer$.offset| .cse1)) (.cse6 (select (select |c_#memory_$Pointer$.offset| .cse10) .cse11)) (.cse7 (* .cse0 12))) (and (or (< 2147483647 .cse0) (let ((.cse4 (+ .cse6 .cse7)) (.cse3 (+ .cse6 4 .cse7))) (and (forall ((v_ArrVal_2758 (Array Int Int)) (v_ArrVal_2757 Int)) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse1 (store .cse2 .cse3 v_ArrVal_2757)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2758) .cse1) .cse4) 0)) (forall ((v_ArrVal_2754 (Array Int Int))) (or (forall ((v_ArrVal_2755 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_2754) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2755) .cse1) .cse4) 0)) (not (= (store .cse5 .cse3 (select v_ArrVal_2754 .cse3)) v_ArrVal_2754))))))) (or (< .cse0 2147483648) (let ((.cse8 (+ .cse6 (- 51539607548) .cse7)) (.cse9 (+ (- 51539607552) .cse6 .cse7))) (and (forall ((v_ArrVal_2758 (Array Int Int)) (v_ArrVal_2757 Int)) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse1 (store .cse2 .cse8 v_ArrVal_2757)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2758) .cse1) .cse9) 0)) (forall ((v_ArrVal_2754 (Array Int Int))) (or (not (= v_ArrVal_2754 (store .cse5 .cse8 (select v_ArrVal_2754 .cse8)))) (forall ((v_ArrVal_2755 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_2754) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2755) .cse1) .cse9) 0)))))))))))) is different from false [2023-11-06 22:40:38,123 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse5 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse3 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse5)) (.cse4 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse5))) (let ((.cse1 (select (select |c_#memory_$Pointer$.offset| .cse3) .cse4))) (let ((.cse2 (+ .cse1 4)) (.cse0 (select (select |c_#memory_$Pointer$.base| .cse3) .cse4))) (and (forall ((v_ArrVal_2754 (Array Int Int))) (or (forall ((v_ArrVal_2755 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_2754) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2755) .cse0) .cse1) 0)) (not (= v_ArrVal_2754 (store (select |c_#memory_$Pointer$.offset| .cse0) .cse2 (select v_ArrVal_2754 .cse2)))))) (forall ((v_ArrVal_2758 (Array Int Int)) (v_ArrVal_2757 Int)) (= (select (select (store (store |c_#memory_$Pointer$.base| .cse0 (store (select |c_#memory_$Pointer$.base| .cse0) .cse2 v_ArrVal_2757)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2758) .cse0) .cse1) 0))))))) is different from false [2023-11-06 22:40:38,177 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse7 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse8 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse7))) (let ((.cse9 (select |c_#memory_$Pointer$.base| .cse8)) (.cse11 (select |c_#memory_$Pointer$.offset| .cse8)) (.cse10 (+ 12 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse7)))) (and (forall ((v_ArrVal_2754 (Array Int Int)) (v_ArrVal_2751 Int) (v_ArrVal_2750 Int)) (let ((.cse0 (store |c_#memory_$Pointer$.offset| .cse8 (store .cse11 .cse10 v_ArrVal_2750))) (.cse6 (store |c_#memory_$Pointer$.base| .cse8 (store .cse9 .cse10 v_ArrVal_2751)))) (let ((.cse4 (select (select .cse6 |c_ULTIMATE.start_main_~users~0#1.base|) .cse7)) (.cse5 (select (select .cse0 |c_ULTIMATE.start_main_~users~0#1.base|) .cse7))) (let ((.cse1 (select (select .cse6 .cse4) .cse5)) (.cse3 (select (select .cse0 .cse4) .cse5))) (or (not (= (let ((.cse2 (+ .cse3 4))) (store (select .cse0 .cse1) .cse2 (select v_ArrVal_2754 .cse2))) v_ArrVal_2754)) (forall ((v_ArrVal_2755 (Array Int Int))) (= (select (select (store (store .cse0 .cse1 v_ArrVal_2754) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2755) .cse1) .cse3) 0))))))) (forall ((v_ArrVal_2758 (Array Int Int)) (v_ArrVal_2751 Int) (v_ArrVal_2750 Int) (v_ArrVal_2757 Int)) (= (let ((.cse17 (store |c_#memory_$Pointer$.offset| .cse8 (store .cse11 .cse10 v_ArrVal_2750))) (.cse12 (store |c_#memory_$Pointer$.base| .cse8 (store .cse9 .cse10 v_ArrVal_2751)))) (let ((.cse15 (select (select .cse12 |c_ULTIMATE.start_main_~users~0#1.base|) .cse7)) (.cse16 (select (select .cse17 |c_ULTIMATE.start_main_~users~0#1.base|) .cse7))) (let ((.cse14 (select (select .cse17 .cse15) .cse16))) (select (let ((.cse13 (select (select .cse12 .cse15) .cse16))) (select (store (store .cse12 .cse13 (store (select .cse12 .cse13) (+ .cse14 4) v_ArrVal_2757)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2758) .cse13)) .cse14)))) 0)))))) is different from false [2023-11-06 22:40:38,223 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse7 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse8 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))) (let ((.cse9 (select |c_#memory_$Pointer$.base| .cse8)) (.cse11 (select |c_#memory_$Pointer$.offset| .cse8)) (.cse10 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse7) 12))) (and (forall ((v_ArrVal_2754 (Array Int Int)) (v_ArrVal_2751 Int) (v_ArrVal_2750 Int)) (let ((.cse0 (store |c_#memory_$Pointer$.offset| .cse8 (store .cse11 .cse10 v_ArrVal_2750))) (.cse6 (store |c_#memory_$Pointer$.base| .cse8 (store .cse9 .cse10 v_ArrVal_2751)))) (let ((.cse4 (select (select .cse6 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)) (.cse5 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))) (let ((.cse1 (select (select .cse6 .cse4) .cse5)) (.cse3 (select (select .cse0 .cse4) .cse5))) (or (not (= v_ArrVal_2754 (let ((.cse2 (+ .cse3 4))) (store (select .cse0 .cse1) .cse2 (select v_ArrVal_2754 .cse2))))) (forall ((v_ArrVal_2755 (Array Int Int))) (= (select (select (store (store .cse0 .cse1 v_ArrVal_2754) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2755) .cse1) .cse3) 0))))))) (forall ((v_ArrVal_2758 (Array Int Int)) (v_ArrVal_2751 Int) (v_ArrVal_2750 Int) (v_ArrVal_2757 Int)) (= (let ((.cse17 (store |c_#memory_$Pointer$.offset| .cse8 (store .cse11 .cse10 v_ArrVal_2750))) (.cse12 (store |c_#memory_$Pointer$.base| .cse8 (store .cse9 .cse10 v_ArrVal_2751)))) (let ((.cse15 (select (select .cse12 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)) (.cse16 (select (select .cse17 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))) (let ((.cse14 (select (select .cse17 .cse15) .cse16))) (select (let ((.cse13 (select (select .cse12 .cse15) .cse16))) (select (store (store .cse12 .cse13 (store (select .cse12 .cse13) (+ .cse14 4) v_ArrVal_2757)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2758) .cse13)) .cse14)))) 0)))))) is different from false [2023-11-06 22:40:38,455 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse8 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem103#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem103#1.base|) |c_ULTIMATE.start_main_#t~mem103#1.offset| 0))) (.cse7 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse12 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem103#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem103#1.base|) |c_ULTIMATE.start_main_#t~mem103#1.offset| 0))) (.cse9 (select (select .cse8 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))) (let ((.cse10 (select .cse8 .cse9)) (.cse13 (select .cse12 .cse9)) (.cse11 (+ (select (select .cse12 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7) 12))) (and (forall ((v_ArrVal_2754 (Array Int Int)) (v_ArrVal_2751 Int) (v_ArrVal_2750 Int)) (let ((.cse0 (store .cse12 .cse9 (store .cse13 .cse11 v_ArrVal_2750))) (.cse6 (store .cse8 .cse9 (store .cse10 .cse11 v_ArrVal_2751)))) (let ((.cse4 (select (select .cse6 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)) (.cse5 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))) (let ((.cse1 (select (select .cse6 .cse4) .cse5)) (.cse2 (select (select .cse0 .cse4) .cse5))) (or (forall ((v_ArrVal_2755 (Array Int Int))) (= (select (select (store (store .cse0 .cse1 v_ArrVal_2754) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2755) .cse1) .cse2) 0)) (not (= (let ((.cse3 (+ .cse2 4))) (store (select .cse0 .cse1) .cse3 (select v_ArrVal_2754 .cse3))) v_ArrVal_2754))))))) (forall ((v_ArrVal_2758 (Array Int Int)) (v_ArrVal_2751 Int) (v_ArrVal_2750 Int) (v_ArrVal_2757 Int)) (= (let ((.cse19 (store .cse12 .cse9 (store .cse13 .cse11 v_ArrVal_2750))) (.cse14 (store .cse8 .cse9 (store .cse10 .cse11 v_ArrVal_2751)))) (let ((.cse17 (select (select .cse14 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)) (.cse18 (select (select .cse19 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))) (let ((.cse16 (select (select .cse19 .cse17) .cse18))) (select (let ((.cse15 (select (select .cse14 .cse17) .cse18))) (select (store (store .cse14 .cse15 (store (select .cse14 .cse15) (+ .cse16 4) v_ArrVal_2757)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_2758) .cse15)) .cse16)))) 0)))))) is different from false [2023-11-06 22:40:38,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:38,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387179188] [2023-11-06 22:40:38,462 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:40:38,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653922344] [2023-11-06 22:40:38,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653922344] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:40:38,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:40:38,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2023-11-06 22:40:38,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540125278] [2023-11-06 22:40:38,463 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:40:38,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-11-06 22:40:38,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:38,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-11-06 22:40:38,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1087, Unknown=6, NotChecked=426, Total=1640 [2023-11-06 22:40:38,466 INFO L87 Difference]: Start difference. First operand 1387 states and 2006 transitions. Second operand has 35 states, 32 states have (on average 3.8125) internal successors, (122), 26 states have internal predecessors, (122), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-06 22:40:46,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:46,532 INFO L93 Difference]: Finished difference Result 3064 states and 4435 transitions. [2023-11-06 22:40:46,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-11-06 22:40:46,534 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 32 states have (on average 3.8125) internal successors, (122), 26 states have internal predecessors, (122), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 137 [2023-11-06 22:40:46,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:46,545 INFO L225 Difference]: With dead ends: 3064 [2023-11-06 22:40:46,545 INFO L226 Difference]: Without dead ends: 1873 [2023-11-06 22:40:46,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 137 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 1556 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=494, Invalid=5224, Unknown=6, NotChecked=918, Total=6642 [2023-11-06 22:40:46,550 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 2590 mSDsluCounter, 12076 mSDsCounter, 0 mSdLazyCounter, 3162 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2615 SdHoareTripleChecker+Valid, 12637 SdHoareTripleChecker+Invalid, 3314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 3162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:46,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2615 Valid, 12637 Invalid, 3314 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [152 Valid, 3162 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-11-06 22:40:46,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1873 states. [2023-11-06 22:40:46,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1873 to 1635. [2023-11-06 22:40:46,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1635 states, 1578 states have (on average 1.4359949302915083) internal successors, (2266), 1588 states have internal predecessors, (2266), 36 states have call successors, (36), 13 states have call predecessors, (36), 17 states have return successors, (43), 33 states have call predecessors, (43), 36 states have call successors, (43) [2023-11-06 22:40:46,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 2345 transitions. [2023-11-06 22:40:46,644 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 2345 transitions. Word has length 137 [2023-11-06 22:40:46,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:46,645 INFO L495 AbstractCegarLoop]: Abstraction has 1635 states and 2345 transitions. [2023-11-06 22:40:46,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 32 states have (on average 3.8125) internal successors, (122), 26 states have internal predecessors, (122), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-06 22:40:46,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2345 transitions. [2023-11-06 22:40:46,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-06 22:40:46,647 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:46,648 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:40:46,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-06 22:40:46,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-06 22:40:46,861 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:40:46,862 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:46,862 INFO L85 PathProgramCache]: Analyzing trace with hash 858722105, now seen corresponding path program 1 times [2023-11-06 22:40:46,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:46,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223677798] [2023-11-06 22:40:46,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:46,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:46,923 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:40:46,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [31135162] [2023-11-06 22:40:46,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:46,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:46,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:46,925 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:46,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-06 22:40:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:47,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 22:40:47,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:47,701 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 22:40:47,701 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:40:47,880 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-06 22:40:47,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:47,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223677798] [2023-11-06 22:40:47,880 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:40:47,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31135162] [2023-11-06 22:40:47,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31135162] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:40:47,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:40:47,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2023-11-06 22:40:47,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629417455] [2023-11-06 22:40:47,881 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:40:47,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:40:47,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:47,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:40:47,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:40:47,883 INFO L87 Difference]: Start difference. First operand 1635 states and 2345 transitions. Second operand has 12 states, 12 states have (on average 11.0) internal successors, (132), 12 states have internal predecessors, (132), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-06 22:40:48,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:48,275 INFO L93 Difference]: Finished difference Result 3082 states and 4439 transitions. [2023-11-06 22:40:48,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 22:40:48,277 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 12 states have internal predecessors, (132), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 137 [2023-11-06 22:40:48,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:48,288 INFO L225 Difference]: With dead ends: 3082 [2023-11-06 22:40:48,288 INFO L226 Difference]: Without dead ends: 1641 [2023-11-06 22:40:48,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:40:48,292 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 22 mSDsluCounter, 3560 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 4158 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:48,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 4158 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:40:48,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-11-06 22:40:48,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1400. [2023-11-06 22:40:48,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1400 states, 1356 states have (on average 1.4505899705014749) internal successors, (1967), 1363 states have internal predecessors, (1967), 28 states have call successors, (28), 11 states have call predecessors, (28), 12 states have return successors, (29), 25 states have call predecessors, (29), 28 states have call successors, (29) [2023-11-06 22:40:48,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 2024 transitions. [2023-11-06 22:40:48,376 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 2024 transitions. Word has length 137 [2023-11-06 22:40:48,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:48,377 INFO L495 AbstractCegarLoop]: Abstraction has 1400 states and 2024 transitions. [2023-11-06 22:40:48,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.0) internal successors, (132), 12 states have internal predecessors, (132), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-06 22:40:48,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 2024 transitions. [2023-11-06 22:40:48,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-06 22:40:48,379 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:48,380 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2023-11-06 22:40:48,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:48,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-06 22:40:48,591 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:40:48,591 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:48,591 INFO L85 PathProgramCache]: Analyzing trace with hash 679562925, now seen corresponding path program 2 times [2023-11-06 22:40:48,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:48,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997924344] [2023-11-06 22:40:48,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:48,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:48,648 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:40:48,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1944985396] [2023-11-06 22:40:48,649 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:40:48,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:48,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:48,650 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:48,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-06 22:40:49,883 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 22:40:49,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:40:49,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-06 22:40:49,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:18,410 WARN L293 SmtUtils]: Spent 6.90s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 22:41:18,446 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-06 22:41:18,446 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:41:18,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:18,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997924344] [2023-11-06 22:41:18,447 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:41:18,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944985396] [2023-11-06 22:41:18,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944985396] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:18,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:18,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:41:18,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184265989] [2023-11-06 22:41:18,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:18,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:41:18,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:18,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:41:18,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=30, Unknown=1, NotChecked=0, Total=42 [2023-11-06 22:41:18,450 INFO L87 Difference]: Start difference. First operand 1400 states and 2024 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:41:20,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:41:22,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:41:25,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:41:27,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:41:30,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:41:32,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:41:34,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:41:36,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:41:37,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:41:39,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:41:41,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:41:43,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:41:45,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:41:48,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:41:50,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:41:52,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:41:54,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:41:55,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:55,361 INFO L93 Difference]: Finished difference Result 2673 states and 3877 transitions. [2023-11-06 22:41:55,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:41:55,362 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 141 [2023-11-06 22:41:55,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:55,373 INFO L225 Difference]: With dead ends: 2673 [2023-11-06 22:41:55,373 INFO L226 Difference]: Without dead ends: 1418 [2023-11-06 22:41:55,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=15, Invalid=40, Unknown=1, NotChecked=0, Total=56 [2023-11-06 22:41:55,377 INFO L413 NwaCegarLoop]: 596 mSDtfsCounter, 17 mSDsluCounter, 2433 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 1 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3029 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:55,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3029 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 650 Invalid, 16 Unknown, 0 Unchecked, 36.8s Time] [2023-11-06 22:41:55,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1418 states. [2023-11-06 22:41:55,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1418 to 1412. [2023-11-06 22:41:55,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1412 states, 1368 states have (on average 1.4488304093567252) internal successors, (1982), 1375 states have internal predecessors, (1982), 28 states have call successors, (28), 11 states have call predecessors, (28), 12 states have return successors, (29), 25 states have call predecessors, (29), 28 states have call successors, (29) [2023-11-06 22:41:55,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1412 states and 2039 transitions. [2023-11-06 22:41:55,478 INFO L78 Accepts]: Start accepts. Automaton has 1412 states and 2039 transitions. Word has length 141 [2023-11-06 22:41:55,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:55,478 INFO L495 AbstractCegarLoop]: Abstraction has 1412 states and 2039 transitions. [2023-11-06 22:41:55,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:41:55,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 2039 transitions. [2023-11-06 22:41:55,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-06 22:41:55,481 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:55,481 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2023-11-06 22:41:55,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:55,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-06 22:41:55,691 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:41:55,692 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:55,692 INFO L85 PathProgramCache]: Analyzing trace with hash 26530575, now seen corresponding path program 1 times [2023-11-06 22:41:55,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:55,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661773980] [2023-11-06 22:41:55,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:55,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:55,778 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:41:55,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1081855735] [2023-11-06 22:41:55,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:55,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:55,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:55,780 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:55,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-06 22:41:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:56,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:41:56,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:56,658 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-06 22:41:56,658 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:41:56,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:56,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661773980] [2023-11-06 22:41:56,664 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:41:56,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081855735] [2023-11-06 22:41:56,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081855735] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:56,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:56,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:41:56,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68764246] [2023-11-06 22:41:56,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:56,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:41:56,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:56,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:41:56,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:41:56,669 INFO L87 Difference]: Start difference. First operand 1412 states and 2039 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:41:56,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:56,899 INFO L93 Difference]: Finished difference Result 2901 states and 4247 transitions. [2023-11-06 22:41:56,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:41:56,900 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 141 [2023-11-06 22:41:56,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:56,912 INFO L225 Difference]: With dead ends: 2901 [2023-11-06 22:41:56,912 INFO L226 Difference]: Without dead ends: 1608 [2023-11-06 22:41:56,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:41:56,917 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 141 mSDsluCounter, 1761 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 2359 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:41:56,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 2359 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:41:56,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2023-11-06 22:41:57,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1401. [2023-11-06 22:41:57,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1401 states, 1357 states have (on average 1.445099484156227) internal successors, (1961), 1364 states have internal predecessors, (1961), 28 states have call successors, (28), 11 states have call predecessors, (28), 12 states have return successors, (29), 25 states have call predecessors, (29), 28 states have call successors, (29) [2023-11-06 22:41:57,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1401 states and 2018 transitions. [2023-11-06 22:41:57,055 INFO L78 Accepts]: Start accepts. Automaton has 1401 states and 2018 transitions. Word has length 141 [2023-11-06 22:41:57,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:57,056 INFO L495 AbstractCegarLoop]: Abstraction has 1401 states and 2018 transitions. [2023-11-06 22:41:57,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:41:57,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 2018 transitions. [2023-11-06 22:41:57,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-06 22:41:57,059 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:57,059 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2023-11-06 22:41:57,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:57,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:57,270 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:41:57,270 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:57,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1912769878, now seen corresponding path program 1 times [2023-11-06 22:41:57,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:57,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40491834] [2023-11-06 22:41:57,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:57,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:57,346 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:41:57,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1380948822] [2023-11-06 22:41:57,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:57,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:57,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:57,349 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:57,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-06 22:41:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:58,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-06 22:41:58,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:58,344 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 38 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-06 22:41:58,344 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:41:58,728 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-06 22:41:58,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:58,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40491834] [2023-11-06 22:41:58,729 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:41:58,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380948822] [2023-11-06 22:41:58,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380948822] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:41:58,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:41:58,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8] total 19 [2023-11-06 22:41:58,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597706571] [2023-11-06 22:41:58,729 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:41:58,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-06 22:41:58,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:58,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-06 22:41:58,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:41:58,732 INFO L87 Difference]: Start difference. First operand 1401 states and 2018 transitions. Second operand has 19 states, 19 states have (on average 7.421052631578948) internal successors, (141), 19 states have internal predecessors, (141), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-06 22:42:00,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:00,500 INFO L93 Difference]: Finished difference Result 2538 states and 3659 transitions. [2023-11-06 22:42:00,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-06 22:42:00,502 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 7.421052631578948) internal successors, (141), 19 states have internal predecessors, (141), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 142 [2023-11-06 22:42:00,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:00,510 INFO L225 Difference]: With dead ends: 2538 [2023-11-06 22:42:00,511 INFO L226 Difference]: Without dead ends: 1182 [2023-11-06 22:42:00,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=275, Invalid=915, Unknown=0, NotChecked=0, Total=1190 [2023-11-06 22:42:00,516 INFO L413 NwaCegarLoop]: 521 mSDtfsCounter, 124 mSDsluCounter, 5580 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 6101 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:00,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 6101 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:42:00,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2023-11-06 22:42:00,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1176. [2023-11-06 22:42:00,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 1132 states have (on average 1.4275618374558303) internal successors, (1616), 1139 states have internal predecessors, (1616), 28 states have call successors, (28), 11 states have call predecessors, (28), 12 states have return successors, (29), 25 states have call predecessors, (29), 28 states have call successors, (29) [2023-11-06 22:42:00,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1673 transitions. [2023-11-06 22:42:00,609 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1673 transitions. Word has length 142 [2023-11-06 22:42:00,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:00,610 INFO L495 AbstractCegarLoop]: Abstraction has 1176 states and 1673 transitions. [2023-11-06 22:42:00,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 7.421052631578948) internal successors, (141), 19 states have internal predecessors, (141), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-06 22:42:00,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1673 transitions. [2023-11-06 22:42:00,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-06 22:42:00,612 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:00,613 INFO L195 NwaCegarLoop]: trace histogram [15, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2023-11-06 22:42:00,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:00,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:00,823 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:42:00,823 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:00,823 INFO L85 PathProgramCache]: Analyzing trace with hash -953698123, now seen corresponding path program 2 times [2023-11-06 22:42:00,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:00,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9931965] [2023-11-06 22:42:00,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:00,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:00,917 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:42:00,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [461898798] [2023-11-06 22:42:00,924 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:42:00,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:00,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:00,926 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:00,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-06 22:42:01,654 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 22:42:01,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:42:01,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:42:01,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:01,874 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:42:01,874 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:42:01,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:01,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9931965] [2023-11-06 22:42:01,875 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:42:01,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461898798] [2023-11-06 22:42:01,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461898798] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:01,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:01,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:42:01,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142004182] [2023-11-06 22:42:01,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:01,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:42:01,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:01,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:42:01,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:42:01,879 INFO L87 Difference]: Start difference. First operand 1176 states and 1673 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:42:02,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:02,358 INFO L93 Difference]: Finished difference Result 2312 states and 3306 transitions. [2023-11-06 22:42:02,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:42:02,359 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 151 [2023-11-06 22:42:02,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:02,367 INFO L225 Difference]: With dead ends: 2312 [2023-11-06 22:42:02,368 INFO L226 Difference]: Without dead ends: 1194 [2023-11-06 22:42:02,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:42:02,371 INFO L413 NwaCegarLoop]: 533 mSDtfsCounter, 15 mSDsluCounter, 2354 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2887 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:02,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2887 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:42:02,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2023-11-06 22:42:02,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1176. [2023-11-06 22:42:02,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 1132 states have (on average 1.4275618374558303) internal successors, (1616), 1139 states have internal predecessors, (1616), 28 states have call successors, (28), 11 states have call predecessors, (28), 12 states have return successors, (29), 25 states have call predecessors, (29), 28 states have call successors, (29) [2023-11-06 22:42:02,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1673 transitions. [2023-11-06 22:42:02,476 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1673 transitions. Word has length 151 [2023-11-06 22:42:02,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:02,477 INFO L495 AbstractCegarLoop]: Abstraction has 1176 states and 1673 transitions. [2023-11-06 22:42:02,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 22:42:02,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1673 transitions. [2023-11-06 22:42:02,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 22:42:02,480 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:02,481 INFO L195 NwaCegarLoop]: trace histogram [15, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2023-11-06 22:42:02,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:02,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-06 22:42:02,690 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:42:02,690 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:02,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1518697027, now seen corresponding path program 1 times [2023-11-06 22:42:02,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:02,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051458279] [2023-11-06 22:42:02,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:02,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:02,773 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:42:02,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1787813822] [2023-11-06 22:42:02,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:02,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:02,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:02,776 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:02,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-06 22:42:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:04,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 197 conjunts are in the unsatisfiable core [2023-11-06 22:42:04,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:04,477 INFO L351 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 [2023-11-06 22:42:04,499 INFO L322 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-06 22:42:04,499 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2023-11-06 22:42:04,570 INFO L322 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-06 22:42:04,570 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-11-06 22:42:04,717 INFO L322 Elim1Store]: treesize reduction 51, result has 22.7 percent of original size [2023-11-06 22:42:04,717 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2023-11-06 22:42:04,727 INFO L322 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-06 22:42:04,727 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 15 [2023-11-06 22:42:05,727 INFO L322 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-11-06 22:42:05,727 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2023-11-06 22:42:05,791 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 22:42:05,955 INFO L351 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 26 treesize of output 14 [2023-11-06 22:42:06,924 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-06 22:42:06,924 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 39 [2023-11-06 22:42:07,893 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:42:07,896 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 145222 treesize of output 118172 [2023-11-06 22:42:08,183 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:42:08,186 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 129904 treesize of output 104449 [2023-11-06 22:42:08,304 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:42:08,306 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 34251 treesize of output 29789 [2023-11-06 22:42:08,437 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:08,439 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 21172 treesize of output 18337 [2023-11-06 22:42:08,534 INFO L322 Elim1Store]: treesize reduction 100, result has 4.8 percent of original size [2023-11-06 22:42:08,536 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 31914 treesize of output 26804 [2023-11-06 22:42:08,629 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-06 22:42:08,651 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 104 [2023-11-06 22:42:08,661 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 83 [2023-11-06 22:42:08,678 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 103 [2023-11-06 22:42:08,719 INFO L322 Elim1Store]: treesize reduction 68, result has 1.4 percent of original size [2023-11-06 22:42:08,719 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 103 treesize of output 155 [2023-11-06 22:42:08,868 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:08,869 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 30847 treesize of output 26429 [2023-11-06 22:42:09,181 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:42:09,184 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 149342 treesize of output 116944 [2023-11-06 22:42:09,420 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:42:09,423 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 134674 treesize of output 103770 [2023-11-06 22:42:09,534 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:42:09,536 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 29920 treesize of output 25856 [2023-11-06 22:42:09,634 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:09,636 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 23717 treesize of output 20399 [2023-11-06 22:42:09,789 INFO L322 Elim1Store]: treesize reduction 100, result has 4.8 percent of original size [2023-11-06 22:42:09,791 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 26225 treesize of output 22031 [2023-11-06 22:42:09,973 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 104 [2023-11-06 22:42:09,983 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 83 [2023-11-06 22:42:10,000 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 103 [2023-11-06 22:42:10,027 INFO L322 Elim1Store]: treesize reduction 68, result has 1.4 percent of original size [2023-11-06 22:42:10,027 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 103 treesize of output 119 [2023-11-06 22:42:10,066 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-06 22:42:10,194 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:10,196 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 17746 treesize of output 15287 [2023-11-06 22:42:10,342 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:10,344 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 21172 treesize of output 18337 [2023-11-06 22:42:10,465 INFO L322 Elim1Store]: treesize reduction 100, result has 4.8 percent of original size [2023-11-06 22:42:10,467 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 31914 treesize of output 26804 [2023-11-06 22:42:10,575 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 104 [2023-11-06 22:42:10,584 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 83 [2023-11-06 22:42:10,593 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 79 [2023-11-06 22:42:10,626 INFO L322 Elim1Store]: treesize reduction 68, result has 1.4 percent of original size [2023-11-06 22:42:10,626 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 103 treesize of output 155 [2023-11-06 22:42:10,670 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-06 22:42:10,777 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:10,779 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 30847 treesize of output 26429 [2023-11-06 22:42:11,038 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:42:11,041 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 238442 treesize of output 177219 [2023-11-06 22:42:11,221 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:42:11,223 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 33535 treesize of output 29112 [2023-11-06 22:42:11,484 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:42:11,488 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 163944 treesize of output 129698 [2023-11-06 22:42:11,635 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:11,637 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 30445 treesize of output 26103 [2023-11-06 22:42:11,757 INFO L322 Elim1Store]: treesize reduction 100, result has 4.8 percent of original size [2023-11-06 22:42:11,759 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 31512 treesize of output 26478 [2023-11-06 22:42:12,031 INFO L322 Elim1Store]: treesize reduction 347, result has 18.9 percent of original size [2023-11-06 22:42:12,031 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 13 case distinctions, treesize of input 692 treesize of output 649 [2023-11-06 22:42:12,083 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 676 treesize of output 616 [2023-11-06 22:42:12,108 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 439 treesize of output 371 [2023-11-06 22:42:12,126 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 417 treesize of output 349 [2023-11-06 22:42:14,906 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2023-11-06 22:42:15,004 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:15,005 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 20770 treesize of output 18011 [2023-11-06 22:42:15,948 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:42:15,951 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 156490 treesize of output 127844 [2023-11-06 22:42:16,030 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:42:16,031 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 20622 treesize of output 18219 [2023-11-06 22:42:16,243 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:42:16,246 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 141042 treesize of output 114023 [2023-11-06 22:42:16,434 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:42:16,437 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 178962 treesize of output 142372 [2023-11-06 22:42:16,545 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:42:16,546 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 19689 treesize of output 17430 [2023-11-06 22:42:16,793 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:42:16,796 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 266984 treesize of output 200841 [2023-11-06 22:42:16,927 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:16,929 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 24694 treesize of output 21355 [2023-11-06 22:42:16,997 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:16,998 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 36051 treesize of output 1 [2023-11-06 22:42:17,076 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:17,077 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35903 treesize of output 30709 [2023-11-06 22:42:17,203 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:17,205 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 24292 treesize of output 21029 [2023-11-06 22:42:17,312 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:17,314 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35501 treesize of output 30383 [2023-11-06 22:42:17,450 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:17,451 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 35649 treesize of output 1 [2023-11-06 22:42:17,569 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:17,571 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 24694 treesize of output 21355 [2023-11-06 22:42:17,644 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:17,645 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 36051 treesize of output 1 [2023-11-06 22:42:17,725 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:17,727 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35903 treesize of output 30709 [2023-11-06 22:42:17,936 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:42:17,940 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 234980 treesize of output 174105 [2023-11-06 22:42:18,017 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:42:18,018 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 17871 treesize of output 15840 [2023-11-06 22:42:18,349 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:42:18,353 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 164360 treesize of output 129618 [2023-11-06 22:42:18,431 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:18,432 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 30362 treesize of output 1 [2023-11-06 22:42:18,537 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:18,539 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 28773 treesize of output 24679 [2023-11-06 22:42:18,662 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:18,664 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 21268 treesize of output 18305 [2023-11-06 22:42:18,780 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:42:18,782 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 34483 treesize of output 29981 [2023-11-06 22:42:18,963 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:42:18,965 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 130136 treesize of output 104641 [2023-11-06 22:42:19,148 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:42:19,151 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 145454 treesize of output 118364 [2023-11-06 22:42:19,264 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:19,266 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 23931 treesize of output 20573 [2023-11-06 22:42:19,395 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:19,396 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 26439 treesize of output 1 [2023-11-06 22:42:19,487 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:19,488 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 17960 treesize of output 15461 [2023-11-06 22:42:19,605 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:19,607 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 21386 treesize of output 18511 [2023-11-06 22:42:19,665 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:19,666 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 32128 treesize of output 1 [2023-11-06 22:42:19,757 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:19,759 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 31061 treesize of output 26603 [2023-11-06 22:42:19,862 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:42:19,864 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 30152 treesize of output 26048 [2023-11-06 22:42:20,046 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:42:20,048 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 134906 treesize of output 103962 [2023-11-06 22:42:20,270 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:42:20,273 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 149574 treesize of output 117136 [2023-11-06 22:42:20,360 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:42:20,362 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 33767 treesize of output 29304 [2023-11-06 22:42:20,622 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:42:20,625 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 238804 treesize of output 177509 [2023-11-06 22:42:20,798 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:42:20,801 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 164176 treesize of output 129890 [2023-11-06 22:42:20,920 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:20,922 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 20984 treesize of output 18185 [2023-11-06 22:42:21,013 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:21,015 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 30659 treesize of output 26277 [2023-11-06 22:42:21,096 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:21,097 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 31726 treesize of output 1 [2023-11-06 22:42:21,196 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:21,198 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 21386 treesize of output 18511 [2023-11-06 22:42:21,249 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:21,250 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 32128 treesize of output 1 [2023-11-06 22:42:21,336 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:21,337 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 31061 treesize of output 26603 [2023-11-06 22:42:21,548 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:42:21,551 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 156696 treesize of output 128016 [2023-11-06 22:42:21,610 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:42:21,611 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 20828 treesize of output 18391 [2023-11-06 22:42:21,796 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:42:21,799 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 141248 treesize of output 114195 [2023-11-06 22:42:21,976 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:42:21,979 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 235316 treesize of output 174375 [2023-11-06 22:42:22,192 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:42:22,193 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 18077 treesize of output 16012 [2023-11-06 22:42:22,425 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:42:22,428 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 164566 treesize of output 129790 [2023-11-06 22:42:22,564 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:22,566 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 24882 treesize of output 21509 [2023-11-06 22:42:22,634 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:22,635 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 36239 treesize of output 1 [2023-11-06 22:42:22,721 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:22,723 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 36091 treesize of output 30863 [2023-11-06 22:42:22,830 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:22,832 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 28961 treesize of output 24833 [2023-11-06 22:42:22,901 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:22,902 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 30550 treesize of output 1 [2023-11-06 22:42:22,998 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:23,000 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 21456 treesize of output 18459 [2023-11-06 22:42:23,264 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:42:23,267 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 179168 treesize of output 142544 [2023-11-06 22:42:23,495 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:42:23,498 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 267320 treesize of output 201111 [2023-11-06 22:42:23,604 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:42:23,605 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 19895 treesize of output 17602 [2023-11-06 22:42:23,723 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:23,725 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 24480 treesize of output 21183 [2023-11-06 22:42:23,777 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:23,777 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 35837 treesize of output 1 [2023-11-06 22:42:23,863 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:23,865 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35689 treesize of output 30537 [2023-11-06 22:42:23,960 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:23,961 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 24882 treesize of output 21509 [2023-11-06 22:42:24,010 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:24,011 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 36239 treesize of output 1 [2023-11-06 22:42:24,091 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:24,092 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 36091 treesize of output 30863 [2023-11-06 22:42:24,198 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:24,200 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 21360 treesize of output 18491 [2023-11-06 22:42:24,287 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:24,288 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 31035 treesize of output 26583 [2023-11-06 22:42:24,342 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:24,343 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 32102 treesize of output 1 [2023-11-06 22:42:24,530 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:42:24,533 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 238778 treesize of output 177489 [2023-11-06 22:42:24,608 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:42:24,610 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 33741 treesize of output 29284 [2023-11-06 22:42:24,788 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:42:24,791 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 164150 treesize of output 129870 [2023-11-06 22:42:24,909 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:24,910 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 20958 treesize of output 18165 [2023-11-06 22:42:24,989 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:24,991 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 31700 treesize of output 1 [2023-11-06 22:42:25,075 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:25,084 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 30633 treesize of output 26257 [2023-11-06 22:42:25,263 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:42:25,266 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 145428 treesize of output 118344 [2023-11-06 22:42:25,424 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:42:25,427 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 130110 treesize of output 104621 [2023-11-06 22:42:25,494 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:42:25,496 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 34457 treesize of output 29961 [2023-11-06 22:42:25,588 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:25,589 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 21360 treesize of output 18491 [2023-11-06 22:42:25,673 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:25,674 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 31035 treesize of output 26583 [2023-11-06 22:42:25,757 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:25,758 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 32102 treesize of output 1 [2023-11-06 22:42:25,827 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:42:25,829 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 30126 treesize of output 26028 [2023-11-06 22:42:25,973 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:42:25,975 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 134880 treesize of output 103942 [2023-11-06 22:42:26,139 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:42:26,142 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 149548 treesize of output 117116 [2023-11-06 22:42:26,274 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:26,275 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 17934 treesize of output 15441 [2023-11-06 22:42:26,322 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:26,323 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 26413 treesize of output 1 [2023-11-06 22:42:26,395 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:26,396 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 23905 treesize of output 20553 [2023-11-06 22:42:27,015 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:42:27,016 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 34483 treesize of output 29981 [2023-11-06 22:42:27,197 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:42:27,200 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 130136 treesize of output 104641 [2023-11-06 22:42:27,381 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:42:27,384 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 145454 treesize of output 118364 [2023-11-06 22:42:27,490 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:27,492 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 23931 treesize of output 20573 [2023-11-06 22:42:27,547 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:27,547 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 26439 treesize of output 1 [2023-11-06 22:42:27,635 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:27,636 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 17960 treesize of output 15461 [2023-11-06 22:42:27,737 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:27,738 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 21386 treesize of output 18511 [2023-11-06 22:42:27,784 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:27,785 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 32128 treesize of output 1 [2023-11-06 22:42:27,868 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:27,869 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 31061 treesize of output 26603 [2023-11-06 22:42:27,991 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:42:27,992 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 30152 treesize of output 26048 [2023-11-06 22:42:28,185 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:42:28,188 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 134906 treesize of output 103962 [2023-11-06 22:42:28,395 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:42:28,398 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 149574 treesize of output 117136 [2023-11-06 22:42:28,477 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:42:28,478 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 33767 treesize of output 29304 [2023-11-06 22:42:28,689 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:42:28,692 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 238804 treesize of output 177509 [2023-11-06 22:42:28,931 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:42:28,934 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 164176 treesize of output 129890 [2023-11-06 22:42:29,020 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:29,022 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 20984 treesize of output 18185 [2023-11-06 22:42:29,111 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:29,113 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 30659 treesize of output 26277 [2023-11-06 22:42:29,158 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:29,159 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 31726 treesize of output 1 [2023-11-06 22:42:29,240 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:29,241 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 21386 treesize of output 18511 [2023-11-06 22:42:29,291 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:29,292 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 32128 treesize of output 1 [2023-11-06 22:42:29,368 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:29,369 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 31061 treesize of output 26603 [2023-11-06 22:42:30,151 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:42:30,153 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 156490 treesize of output 127844 [2023-11-06 22:42:30,212 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:42:30,214 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 20622 treesize of output 18219 [2023-11-06 22:42:30,377 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:42:30,380 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 141042 treesize of output 114023 [2023-11-06 22:42:30,577 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:42:30,580 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 178962 treesize of output 142372 [2023-11-06 22:42:30,652 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:42:30,653 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 19689 treesize of output 17430 [2023-11-06 22:42:30,812 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:42:30,815 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 266984 treesize of output 200841 [2023-11-06 22:42:30,917 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:30,918 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 24694 treesize of output 21355 [2023-11-06 22:42:30,965 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:30,967 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 36051 treesize of output 1 [2023-11-06 22:42:31,043 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:31,045 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35903 treesize of output 30709 [2023-11-06 22:42:31,173 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:31,175 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 24292 treesize of output 21029 [2023-11-06 22:42:31,299 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:31,300 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35501 treesize of output 30383 [2023-11-06 22:42:31,361 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:31,361 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 35649 treesize of output 1 [2023-11-06 22:42:31,451 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:31,453 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 24694 treesize of output 21355 [2023-11-06 22:42:31,529 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:31,530 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 36051 treesize of output 1 [2023-11-06 22:42:31,613 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:31,614 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35903 treesize of output 30709 [2023-11-06 22:42:31,807 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:42:31,810 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 234980 treesize of output 174105 [2023-11-06 22:42:31,920 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:42:31,922 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 17871 treesize of output 15840 [2023-11-06 22:42:32,100 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:42:32,102 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 164360 treesize of output 129618 [2023-11-06 22:42:32,158 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:32,159 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 30362 treesize of output 1 [2023-11-06 22:42:32,233 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:32,234 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 28773 treesize of output 24679 [2023-11-06 22:42:32,340 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:32,341 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 21268 treesize of output 18305 [2023-11-06 22:42:32,442 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:32,443 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 28747 treesize of output 24659 [2023-11-06 22:42:32,510 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:32,510 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 30336 treesize of output 1 [2023-11-06 22:42:32,632 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:32,634 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 21242 treesize of output 18285 [2023-11-06 22:42:32,858 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:42:32,861 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 234954 treesize of output 174085 [2023-11-06 22:42:32,924 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:42:32,925 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 17845 treesize of output 15820 [2023-11-06 22:42:33,130 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:42:33,133 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 164334 treesize of output 129598 [2023-11-06 22:42:33,244 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:33,246 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 24668 treesize of output 21335 [2023-11-06 22:42:33,295 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:33,296 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 36025 treesize of output 1 [2023-11-06 22:42:33,383 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:33,384 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35877 treesize of output 30689 [2023-11-06 22:42:33,502 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:33,503 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35475 treesize of output 30363 [2023-11-06 22:42:33,580 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:33,581 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 35623 treesize of output 1 [2023-11-06 22:42:33,677 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:33,679 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 24266 treesize of output 21009 [2023-11-06 22:42:33,824 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:33,826 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 24668 treesize of output 21335 [2023-11-06 22:42:33,884 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:33,885 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 36025 treesize of output 1 [2023-11-06 22:42:33,958 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:33,960 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35877 treesize of output 30689 [2023-11-06 22:42:34,205 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:42:34,208 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 266958 treesize of output 200821 [2023-11-06 22:42:34,278 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:42:34,279 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 19663 treesize of output 17410 [2023-11-06 22:42:34,476 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:42:34,479 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 178936 treesize of output 142352 [2023-11-06 22:42:34,708 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:42:34,711 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 141016 treesize of output 114003 [2023-11-06 22:42:34,781 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:42:34,782 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 20596 treesize of output 18199 [2023-11-06 22:42:34,939 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:42:34,942 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 156464 treesize of output 127824 [2023-11-06 22:42:35,116 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:42:35,119 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 156696 treesize of output 128016 [2023-11-06 22:42:35,181 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:42:35,183 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 20828 treesize of output 18391 [2023-11-06 22:42:35,361 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:42:35,363 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 13 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 17 new quantified variables, introduced 29 case distinctions, treesize of input 141248 treesize of output 114195 [2023-11-06 22:42:35,534 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:42:35,537 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 235316 treesize of output 174375 [2023-11-06 22:42:35,624 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:42:35,625 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 18077 treesize of output 16012 [2023-11-06 22:42:35,806 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:42:35,809 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 164566 treesize of output 129790 [2023-11-06 22:42:35,919 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:35,921 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 24882 treesize of output 21509 [2023-11-06 22:42:35,976 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:35,977 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 36239 treesize of output 1 [2023-11-06 22:42:36,044 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:36,046 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 36091 treesize of output 30863 [2023-11-06 22:42:36,177 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:36,179 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 28961 treesize of output 24833 [2023-11-06 22:42:36,222 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:36,222 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 30550 treesize of output 1 [2023-11-06 22:42:36,308 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:36,310 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 21456 treesize of output 18459 [2023-11-06 22:42:36,502 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:42:36,505 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 14 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 32 case distinctions, treesize of input 179168 treesize of output 142544 [2023-11-06 22:42:36,733 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:42:36,736 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 20 new quantified variables, introduced 38 case distinctions, treesize of input 267320 treesize of output 201111 [2023-11-06 22:42:36,897 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:42:36,898 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 14 case distinctions, treesize of input 19895 treesize of output 17602 [2023-11-06 22:42:37,034 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:37,036 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 24480 treesize of output 21183 [2023-11-06 22:42:37,094 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:37,095 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 35837 treesize of output 1 [2023-11-06 22:42:37,178 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:37,179 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35689 treesize of output 30537 [2023-11-06 22:42:37,285 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:42:37,287 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 24882 treesize of output 21509 [2023-11-06 22:42:37,349 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:42:37,349 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 36239 treesize of output 1 [2023-11-06 22:42:37,423 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:42:37,424 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 36091 treesize of output 30863 [2023-11-06 22:42:37,770 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 30 [2023-11-06 22:42:37,796 INFO L322 Elim1Store]: treesize reduction 12, result has 58.6 percent of original size [2023-11-06 22:42:37,796 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 29 [2023-11-06 22:42:37,810 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-06 22:42:37,890 INFO L322 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2023-11-06 22:42:37,891 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 355 treesize of output 253 [2023-11-06 22:42:37,902 INFO L322 Elim1Store]: treesize reduction 37, result has 2.6 percent of original size [2023-11-06 22:42:37,903 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 158 treesize of output 127 [2023-11-06 22:42:37,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:42:37,958 INFO L322 Elim1Store]: treesize reduction 334, result has 7.5 percent of original size [2023-11-06 22:42:37,959 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 545 treesize of output 358 [2023-11-06 22:42:37,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:42:37,968 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 155 [2023-11-06 22:42:39,610 INFO L322 Elim1Store]: treesize reduction 900, result has 10.5 percent of original size [2023-11-06 22:42:39,611 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 416 treesize of output 312 [2023-11-06 22:42:39,811 INFO L322 Elim1Store]: treesize reduction 656, result has 6.7 percent of original size [2023-11-06 22:42:39,811 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 6 case distinctions, treesize of input 491 treesize of output 274 [2023-11-06 22:42:39,824 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2023-11-06 22:42:39,885 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2023-11-06 22:42:40,609 INFO L322 Elim1Store]: treesize reduction 570, result has 8.7 percent of original size [2023-11-06 22:42:40,610 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 35 case distinctions, treesize of input 473 treesize of output 294 [2023-11-06 22:42:40,739 INFO L322 Elim1Store]: treesize reduction 460, result has 9.3 percent of original size [2023-11-06 22:42:40,739 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 31 case distinctions, treesize of input 418 treesize of output 255 [2023-11-06 22:42:41,706 INFO L322 Elim1Store]: treesize reduction 360, result has 11.5 percent of original size [2023-11-06 22:42:41,707 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 15 new quantified variables, introduced 27 case distinctions, treesize of input 565 treesize of output 305 [2023-11-06 22:42:41,762 INFO L322 Elim1Store]: treesize reduction 56, result has 16.4 percent of original size [2023-11-06 22:42:41,762 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 486 treesize of output 344 [2023-11-06 22:42:41,795 INFO L322 Elim1Store]: treesize reduction 118, result has 0.8 percent of original size [2023-11-06 22:42:41,795 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 377 treesize of output 168 [2023-11-06 22:42:41,858 INFO L322 Elim1Store]: treesize reduction 144, result has 16.8 percent of original size [2023-11-06 22:42:41,858 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 14 new quantified variables, introduced 14 case distinctions, treesize of input 139 treesize of output 108 [2023-11-06 22:42:41,870 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 66 [2023-11-06 22:42:41,934 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 36 proven. 108 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-06 22:42:41,934 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:42:44,950 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse6 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse7 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse6))) (let ((.cse8 (select |c_#memory_$Pointer$.base| .cse7)) (.cse10 (select |c_#memory_$Pointer$.offset| .cse7)) (.cse9 (+ 12 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse6)))) (and (forall ((v_ArrVal_5409 Int) (v_ArrVal_5413 Int) (v_ArrVal_5410 Int) (v_ArrVal_5416 (Array Int Int))) (= (let ((.cse5 (store |c_#memory_$Pointer$.offset| .cse7 (store .cse10 .cse9 v_ArrVal_5410))) (.cse0 (store |c_#memory_$Pointer$.base| .cse7 (store .cse8 .cse9 v_ArrVal_5409)))) (let ((.cse3 (select (select .cse0 |c_ULTIMATE.start_main_~users~0#1.base|) .cse6)) (.cse4 (select (select .cse5 |c_ULTIMATE.start_main_~users~0#1.base|) .cse6))) (let ((.cse2 (select (select .cse5 .cse3) .cse4))) (select (let ((.cse1 (select (select .cse0 .cse3) .cse4))) (select (store (store .cse0 .cse1 (store (select .cse0 .cse1) (+ .cse2 4) v_ArrVal_5413)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5416) .cse1)) .cse2)))) 0)) (forall ((v_ArrVal_5409 Int) (v_ArrVal_5418 Int) (v_ArrVal_5415 (Array Int Int)) (v_ArrVal_5410 Int)) (= (let ((.cse11 (store |c_#memory_$Pointer$.offset| .cse7 (store .cse10 .cse9 v_ArrVal_5410))) (.cse14 (store |c_#memory_$Pointer$.base| .cse7 (store .cse8 .cse9 v_ArrVal_5409)))) (let ((.cse15 (select (select .cse14 |c_ULTIMATE.start_main_~users~0#1.base|) .cse6)) (.cse16 (select (select .cse11 |c_ULTIMATE.start_main_~users~0#1.base|) .cse6))) (let ((.cse13 (select (select .cse11 .cse15) .cse16))) (select (let ((.cse12 (select (select .cse14 .cse15) .cse16))) (select (store (store .cse11 .cse12 (store (select .cse11 .cse12) (+ .cse13 4) v_ArrVal_5418)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5415) .cse12)) .cse13)))) 0)))))) is different from false [2023-11-06 22:43:11,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:11,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051458279] [2023-11-06 22:43:11,877 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:11,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787813822] [2023-11-06 22:43:11,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787813822] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:43:11,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:43:11,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2023-11-06 22:43:11,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13170992] [2023-11-06 22:43:11,877 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:43:11,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-11-06 22:43:11,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:11,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-11-06 22:43:11,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=1779, Unknown=54, NotChecked=86, Total=2070 [2023-11-06 22:43:11,880 INFO L87 Difference]: Start difference. First operand 1176 states and 1673 transitions. Second operand has 40 states, 37 states have (on average 3.5135135135135136) internal successors, (130), 31 states have internal predecessors, (130), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-06 22:43:33,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:33,732 INFO L93 Difference]: Finished difference Result 2666 states and 3797 transitions. [2023-11-06 22:43:33,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-11-06 22:43:33,733 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 37 states have (on average 3.5135135135135136) internal successors, (130), 31 states have internal predecessors, (130), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 152 [2023-11-06 22:43:33,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:33,744 INFO L225 Difference]: With dead ends: 2666 [2023-11-06 22:43:33,744 INFO L226 Difference]: Without dead ends: 1608 [2023-11-06 22:43:33,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 147 SyntacticMatches, 1 SemanticMatches, 91 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2354 ImplicationChecksByTransitivity, 40.0s TimeCoverageRelationStatistics Valid=589, Invalid=7727, Unknown=60, NotChecked=180, Total=8556 [2023-11-06 22:43:33,750 INFO L413 NwaCegarLoop]: 492 mSDtfsCounter, 1386 mSDsluCounter, 10681 mSDsCounter, 0 mSdLazyCounter, 3666 mSolverCounterSat, 106 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1407 SdHoareTripleChecker+Valid, 11173 SdHoareTripleChecker+Invalid, 3777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 3666 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:33,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1407 Valid, 11173 Invalid, 3777 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [106 Valid, 3666 Invalid, 5 Unknown, 0 Unchecked, 12.2s Time] [2023-11-06 22:43:33,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2023-11-06 22:43:33,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1363. [2023-11-06 22:43:33,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1363 states, 1305 states have (on average 1.4076628352490421) internal successors, (1837), 1314 states have internal predecessors, (1837), 36 states have call successors, (36), 15 states have call predecessors, (36), 18 states have return successors, (41), 33 states have call predecessors, (41), 36 states have call successors, (41) [2023-11-06 22:43:33,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 1914 transitions. [2023-11-06 22:43:33,849 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 1914 transitions. Word has length 152 [2023-11-06 22:43:33,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:33,849 INFO L495 AbstractCegarLoop]: Abstraction has 1363 states and 1914 transitions. [2023-11-06 22:43:33,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 37 states have (on average 3.5135135135135136) internal successors, (130), 31 states have internal predecessors, (130), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-06 22:43:33,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1914 transitions. [2023-11-06 22:43:33,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 22:43:33,852 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:33,852 INFO L195 NwaCegarLoop]: trace histogram [15, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2023-11-06 22:43:33,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:34,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-11-06 22:43:34,067 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:43:34,067 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:34,067 INFO L85 PathProgramCache]: Analyzing trace with hash -817097153, now seen corresponding path program 1 times [2023-11-06 22:43:34,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:34,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896023167] [2023-11-06 22:43:34,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:34,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:34,132 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:34,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1753556645] [2023-11-06 22:43:34,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:34,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:34,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:34,134 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:34,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-06 22:43:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:36,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-06 22:43:36,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:36,624 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 38 proven. 127 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-06 22:43:36,625 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:43:37,134 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 69 proven. 24 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-06 22:43:37,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:37,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896023167] [2023-11-06 22:43:37,134 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:37,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753556645] [2023-11-06 22:43:37,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753556645] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:43:37,134 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:43:37,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9] total 24 [2023-11-06 22:43:37,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020452918] [2023-11-06 22:43:37,137 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:43:37,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-06 22:43:37,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:37,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-06 22:43:37,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=437, Unknown=0, NotChecked=0, Total=552 [2023-11-06 22:43:37,140 INFO L87 Difference]: Start difference. First operand 1363 states and 1914 transitions. Second operand has 24 states, 24 states have (on average 6.208333333333333) internal successors, (149), 24 states have internal predecessors, (149), 3 states have call successors, (11), 2 states have call predecessors, (11), 7 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-06 22:43:39,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:39,918 INFO L93 Difference]: Finished difference Result 2641 states and 3739 transitions. [2023-11-06 22:43:39,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-06 22:43:39,919 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 6.208333333333333) internal successors, (149), 24 states have internal predecessors, (149), 3 states have call successors, (11), 2 states have call predecessors, (11), 7 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 152 [2023-11-06 22:43:39,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:39,938 INFO L225 Difference]: With dead ends: 2641 [2023-11-06 22:43:39,944 INFO L226 Difference]: Without dead ends: 1387 [2023-11-06 22:43:39,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 534 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=498, Invalid=2154, Unknown=0, NotChecked=0, Total=2652 [2023-11-06 22:43:39,949 INFO L413 NwaCegarLoop]: 535 mSDtfsCounter, 34 mSDsluCounter, 6852 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 7387 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:39,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 7387 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:43:39,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2023-11-06 22:43:40,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1169. [2023-11-06 22:43:40,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 1127 states have (on average 1.4285714285714286) internal successors, (1610), 1133 states have internal predecessors, (1610), 27 states have call successors, (27), 11 states have call predecessors, (27), 11 states have return successors, (28), 24 states have call predecessors, (28), 27 states have call successors, (28) [2023-11-06 22:43:40,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1665 transitions. [2023-11-06 22:43:40,035 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1665 transitions. Word has length 152 [2023-11-06 22:43:40,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:40,036 INFO L495 AbstractCegarLoop]: Abstraction has 1169 states and 1665 transitions. [2023-11-06 22:43:40,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.208333333333333) internal successors, (149), 24 states have internal predecessors, (149), 3 states have call successors, (11), 2 states have call predecessors, (11), 7 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-06 22:43:40,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1665 transitions. [2023-11-06 22:43:40,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-06 22:43:40,039 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:40,039 INFO L195 NwaCegarLoop]: trace histogram [22, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2023-11-06 22:43:40,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:40,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:40,264 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:43:40,264 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:40,264 INFO L85 PathProgramCache]: Analyzing trace with hash -357227550, now seen corresponding path program 2 times [2023-11-06 22:43:40,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:40,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401825940] [2023-11-06 22:43:40,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:40,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:40,336 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:40,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2065142219] [2023-11-06 22:43:40,337 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:43:40,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:40,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:40,338 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:40,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4a16d30-124a-4ca6-87cc-01e9c05e1893/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-06 22:43:43,573 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 22:43:43,573 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:43:43,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-06 22:43:43,585 INFO L285 TraceCheckSpWp]: Computing forward predicates...