./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/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_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/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_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/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 bb48026e7f870ff561a4cdd394c24cb5edb1d0f2fc8e8ef2bffe0b7b8438fda4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:21:28,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:21:28,185 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:21:28,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:21:28,195 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:21:28,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:21:28,220 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:21:28,221 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:21:28,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:21:28,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:21:28,223 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:21:28,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:21:28,225 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:21:28,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:21:28,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:21:28,226 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:21:28,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:21:28,232 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:21:28,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:21:28,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:21:28,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:21:28,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:21:28,236 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:21:28,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:21:28,237 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:21:28,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:21:28,239 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:21:28,239 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:21:28,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:21:28,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:21:28,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:21:28,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:21:28,242 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:21:28,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:21:28,243 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:21:28,243 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:21:28,243 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:21:28,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:21:28,244 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:21:28,244 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_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb48026e7f870ff561a4cdd394c24cb5edb1d0f2fc8e8ef2bffe0b7b8438fda4 [2023-11-06 22:21:28,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:21:28,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:21:28,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:21:28,572 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:21:28,573 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:21:28,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i [2023-11-06 22:21:31,650 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:21:32,051 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:21:32,052 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i [2023-11-06 22:21:32,072 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/data/97e23dc79/de3b6462ab27451ca3e237e785cb082b/FLAGa72695045 [2023-11-06 22:21:32,091 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/data/97e23dc79/de3b6462ab27451ca3e237e785cb082b [2023-11-06 22:21:32,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:21:32,095 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:21:32,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:21:32,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:21:32,101 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:21:32,102 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:21:32" (1/1) ... [2023-11-06 22:21:32,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7acda0e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:32, skipping insertion in model container [2023-11-06 22:21:32,103 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:21:32" (1/1) ... [2023-11-06 22:21:32,172 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:21:32,811 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_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[44118,44131] [2023-11-06 22:21:32,822 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_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[44660,44673] [2023-11-06 22:21:32,966 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_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[56247,56260] [2023-11-06 22:21:32,985 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_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[56368,56381] [2023-11-06 22:21:33,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:21:33,023 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:21:33,092 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_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[44118,44131] [2023-11-06 22:21:33,095 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_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[44660,44673] [2023-11-06 22:21:33,201 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_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[56247,56260] [2023-11-06 22:21:33,204 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_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test6-2.i[56368,56381] [2023-11-06 22:21:33,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:21:33,355 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:21:33,363 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:21:33,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:33 WrapperNode [2023-11-06 22:21:33,363 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:21:33,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:21:33,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:21:33,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:21:33,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:33" (1/1) ... [2023-11-06 22:21:33,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:33" (1/1) ... [2023-11-06 22:21:33,556 INFO L138 Inliner]: procedures = 282, calls = 347, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1542 [2023-11-06 22:21:33,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:21:33,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:21:33,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:21:33,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:21:33,568 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:33" (1/1) ... [2023-11-06 22:21:33,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:33" (1/1) ... [2023-11-06 22:21:33,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:33" (1/1) ... [2023-11-06 22:21:33,585 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:33" (1/1) ... [2023-11-06 22:21:33,695 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:33" (1/1) ... [2023-11-06 22:21:33,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:33" (1/1) ... [2023-11-06 22:21:33,724 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:33" (1/1) ... [2023-11-06 22:21:33,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:33" (1/1) ... [2023-11-06 22:21:33,761 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:21:33,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:21:33,762 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:21:33,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:21:33,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:33" (1/1) ... [2023-11-06 22:21:33,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:21:33,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:33,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:21:33,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:21:33,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:21:33,852 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-06 22:21:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:21:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:21:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-11-06 22:21:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-11-06 22:21:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:21:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-06 22:21:33,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-06 22:21:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:21:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:21:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:21:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-11-06 22:21:33,856 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-11-06 22:21:33,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:21:33,857 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-11-06 22:21:33,857 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-11-06 22:21:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:21:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:21:33,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:21:34,155 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:21:34,157 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:21:36,078 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:21:36,097 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:21:36,097 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-06 22:21:36,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:21:36 BoogieIcfgContainer [2023-11-06 22:21:36,101 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:21:36,105 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:21:36,105 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:21:36,109 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:21:36,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:21:32" (1/3) ... [2023-11-06 22:21:36,111 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7adf63b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:21:36, skipping insertion in model container [2023-11-06 22:21:36,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:33" (2/3) ... [2023-11-06 22:21:36,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7adf63b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:21:36, skipping insertion in model container [2023-11-06 22:21:36,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:21:36" (3/3) ... [2023-11-06 22:21:36,114 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test6-2.i [2023-11-06 22:21:36,135 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:21:36,136 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-06 22:21:36,228 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:21:36,237 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;@77ddffb7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:21:36,238 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-06 22:21:36,248 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 22:21:36,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 22:21:36,259 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:36,259 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:36,260 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 22:21:36,267 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:36,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1053908008, now seen corresponding path program 1 times [2023-11-06 22:21:36,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:36,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411559706] [2023-11-06 22:21:36,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:36,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:36,456 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 22:21:36,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:36,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411559706] [2023-11-06 22:21:36,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411559706] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:36,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:36,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:21:36,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126299136] [2023-11-06 22:21:36,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:36,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:21:36,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:36,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:21:36,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:21:36,507 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 22:21:36,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:36,584 INFO L93 Difference]: Finished difference Result 857 states and 1422 transitions. [2023-11-06 22:21:36,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:21:36,591 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 22:21:36,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:36,615 INFO L225 Difference]: With dead ends: 857 [2023-11-06 22:21:36,615 INFO L226 Difference]: Without dead ends: 424 [2023-11-06 22:21:36,624 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 22:21:36,631 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 22:21:36,633 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 22:21:36,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2023-11-06 22:21:36,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2023-11-06 22:21:36,729 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 22:21:36,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 620 transitions. [2023-11-06 22:21:36,735 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 620 transitions. Word has length 8 [2023-11-06 22:21:36,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:36,736 INFO L495 AbstractCegarLoop]: Abstraction has 424 states and 620 transitions. [2023-11-06 22:21:36,736 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 22:21:36,737 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 620 transitions. [2023-11-06 22:21:36,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-06 22:21:36,738 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:36,738 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:36,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:21:36,739 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 22:21:36,740 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:36,740 INFO L85 PathProgramCache]: Analyzing trace with hash -719765386, now seen corresponding path program 1 times [2023-11-06 22:21:36,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:36,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243370818] [2023-11-06 22:21:36,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:36,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:36,928 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 22:21:36,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:36,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243370818] [2023-11-06 22:21:36,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243370818] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:36,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:36,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:21:36,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779916455] [2023-11-06 22:21:36,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:36,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:21:36,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:36,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:21:36,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:21:36,933 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 22:21:37,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:37,604 INFO L93 Difference]: Finished difference Result 967 states and 1432 transitions. [2023-11-06 22:21:37,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:21:37,605 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 22:21:37,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:37,610 INFO L225 Difference]: With dead ends: 967 [2023-11-06 22:21:37,611 INFO L226 Difference]: Without dead ends: 737 [2023-11-06 22:21:37,612 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 22:21:37,614 INFO L413 NwaCegarLoop]: 617 mSDtfsCounter, 453 mSDsluCounter, 1134 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:37,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 1751 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:21:37,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2023-11-06 22:21:37,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 426. [2023-11-06 22:21:37,650 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 22:21:37,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 622 transitions. [2023-11-06 22:21:37,658 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 622 transitions. Word has length 10 [2023-11-06 22:21:37,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:37,659 INFO L495 AbstractCegarLoop]: Abstraction has 426 states and 622 transitions. [2023-11-06 22:21:37,659 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 22:21:37,661 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 622 transitions. [2023-11-06 22:21:37,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 22:21:37,666 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:37,666 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 22:21:37,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:21:37,667 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 22:21:37,667 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:37,667 INFO L85 PathProgramCache]: Analyzing trace with hash 512859417, now seen corresponding path program 1 times [2023-11-06 22:21:37,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:37,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726642136] [2023-11-06 22:21:37,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:37,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:37,743 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:21:37,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1550991524] [2023-11-06 22:21:37,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:37,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:37,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:37,756 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:37,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:21:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:38,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:21:38,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:38,113 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 22:21:38,113 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:38,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:38,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726642136] [2023-11-06 22:21:38,114 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:21:38,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550991524] [2023-11-06 22:21:38,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550991524] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:38,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:38,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:21:38,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474889341] [2023-11-06 22:21:38,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:38,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:21:38,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:38,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:21:38,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:21:38,117 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 22:21:38,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:38,221 INFO L93 Difference]: Finished difference Result 869 states and 1271 transitions. [2023-11-06 22:21:38,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:21:38,222 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 22:21:38,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:38,226 INFO L225 Difference]: With dead ends: 869 [2023-11-06 22:21:38,227 INFO L226 Difference]: Without dead ends: 447 [2023-11-06 22:21:38,228 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 22:21:38,229 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 22:21:38,229 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 22:21:38,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2023-11-06 22:21:38,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 446. [2023-11-06 22:21:38,243 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 22:21:38,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 642 transitions. [2023-11-06 22:21:38,246 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 642 transitions. Word has length 66 [2023-11-06 22:21:38,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:38,246 INFO L495 AbstractCegarLoop]: Abstraction has 446 states and 642 transitions. [2023-11-06 22:21:38,246 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 22:21:38,246 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 642 transitions. [2023-11-06 22:21:38,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 22:21:38,249 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:38,250 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 22:21:38,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:38,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:38,456 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 22:21:38,456 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:38,457 INFO L85 PathProgramCache]: Analyzing trace with hash 264712923, now seen corresponding path program 1 times [2023-11-06 22:21:38,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:38,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657414780] [2023-11-06 22:21:38,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:38,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:38,521 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:21:38,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [402427172] [2023-11-06 22:21:38,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:38,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:38,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:38,539 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:38,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:21:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:38,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:21:38,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:38,869 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 22:21:38,870 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:38,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:38,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657414780] [2023-11-06 22:21:38,871 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:21:38,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402427172] [2023-11-06 22:21:38,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402427172] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:38,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:38,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:21:38,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458756880] [2023-11-06 22:21:38,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:38,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:21:38,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:38,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:21:38,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:21:38,875 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 22:21:38,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:38,983 INFO L93 Difference]: Finished difference Result 875 states and 1267 transitions. [2023-11-06 22:21:38,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:21:38,983 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 22:21:38,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:38,986 INFO L225 Difference]: With dead ends: 875 [2023-11-06 22:21:38,987 INFO L226 Difference]: Without dead ends: 433 [2023-11-06 22:21:38,988 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 22:21:38,989 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 22:21:38,989 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 22:21:38,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2023-11-06 22:21:39,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 432. [2023-11-06 22:21:39,002 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 22:21:39,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 621 transitions. [2023-11-06 22:21:39,005 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 621 transitions. Word has length 66 [2023-11-06 22:21:39,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:39,006 INFO L495 AbstractCegarLoop]: Abstraction has 432 states and 621 transitions. [2023-11-06 22:21:39,006 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 22:21:39,006 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 621 transitions. [2023-11-06 22:21:39,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 22:21:39,008 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:39,008 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 22:21:39,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:39,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:39,215 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 22:21:39,216 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:39,216 INFO L85 PathProgramCache]: Analyzing trace with hash -30782195, now seen corresponding path program 1 times [2023-11-06 22:21:39,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:39,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452482778] [2023-11-06 22:21:39,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:39,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:39,248 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:21:39,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [607164815] [2023-11-06 22:21:39,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:39,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:39,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:39,250 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:39,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:21:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:39,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:21:39,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:39,665 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 22:21:39,665 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:39,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:39,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452482778] [2023-11-06 22:21:39,666 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:21:39,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607164815] [2023-11-06 22:21:39,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607164815] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:39,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:39,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:21:39,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279340035] [2023-11-06 22:21:39,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:39,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:21:39,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:39,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:21:39,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:21:39,673 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 22:21:40,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:40,234 INFO L93 Difference]: Finished difference Result 909 states and 1304 transitions. [2023-11-06 22:21:40,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:21:40,235 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 22:21:40,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:40,239 INFO L225 Difference]: With dead ends: 909 [2023-11-06 22:21:40,239 INFO L226 Difference]: Without dead ends: 481 [2023-11-06 22:21:40,240 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 22:21:40,241 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 22:21:40,242 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 22:21:40,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2023-11-06 22:21:40,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 472. [2023-11-06 22:21:40,278 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 22:21:40,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 669 transitions. [2023-11-06 22:21:40,281 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 669 transitions. Word has length 66 [2023-11-06 22:21:40,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:40,282 INFO L495 AbstractCegarLoop]: Abstraction has 472 states and 669 transitions. [2023-11-06 22:21:40,282 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 22:21:40,282 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 669 transitions. [2023-11-06 22:21:40,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-06 22:21:40,283 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:40,284 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 22:21:40,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:40,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:40,492 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 22:21:40,492 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:40,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1975731849, now seen corresponding path program 1 times [2023-11-06 22:21:40,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:40,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276022837] [2023-11-06 22:21:40,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:40,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:40,525 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:21:40,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [952137516] [2023-11-06 22:21:40,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:40,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:40,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:40,545 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:40,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:21:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:41,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:21:41,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:41,256 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 22:21:41,256 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:41,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:41,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276022837] [2023-11-06 22:21:41,257 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:21:41,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952137516] [2023-11-06 22:21:41,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952137516] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:41,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:41,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:21:41,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529578300] [2023-11-06 22:21:41,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:41,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:21:41,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:41,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:21:41,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:21:41,261 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 22:21:41,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:41,969 INFO L93 Difference]: Finished difference Result 958 states and 1362 transitions. [2023-11-06 22:21:41,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:21:41,970 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 22:21:41,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:41,974 INFO L225 Difference]: With dead ends: 958 [2023-11-06 22:21:41,974 INFO L226 Difference]: Without dead ends: 490 [2023-11-06 22:21:41,976 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 22:21:41,980 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 22:21:41,981 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 22:21:41,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2023-11-06 22:21:41,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 482. [2023-11-06 22:21:41,999 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 22:21:42,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 685 transitions. [2023-11-06 22:21:42,004 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 685 transitions. Word has length 67 [2023-11-06 22:21:42,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:42,006 INFO L495 AbstractCegarLoop]: Abstraction has 482 states and 685 transitions. [2023-11-06 22:21:42,006 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 22:21:42,006 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 685 transitions. [2023-11-06 22:21:42,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-06 22:21:42,007 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:42,008 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 22:21:42,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:42,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:42,217 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 22:21:42,217 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:42,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1313790664, now seen corresponding path program 1 times [2023-11-06 22:21:42,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:42,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657110254] [2023-11-06 22:21:42,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:42,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:42,282 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:21:42,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [104243097] [2023-11-06 22:21:42,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:42,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:42,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:42,287 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:42,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:21:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:43,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:21:43,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:43,553 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 22:21:43,553 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:43,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:43,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657110254] [2023-11-06 22:21:43,553 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:21:43,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104243097] [2023-11-06 22:21:43,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104243097] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:43,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:43,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:21:43,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761414746] [2023-11-06 22:21:43,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:43,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:21:43,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:43,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:21:43,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:21:43,556 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 22:21:44,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:44,003 INFO L93 Difference]: Finished difference Result 958 states and 1364 transitions. [2023-11-06 22:21:44,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:21:44,004 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 22:21:44,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:44,007 INFO L225 Difference]: With dead ends: 958 [2023-11-06 22:21:44,007 INFO L226 Difference]: Without dead ends: 480 [2023-11-06 22:21:44,008 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 22:21:44,009 INFO L413 NwaCegarLoop]: 603 mSDtfsCounter, 11 mSDsluCounter, 1523 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:44,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2126 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:21:44,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2023-11-06 22:21:44,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 479. [2023-11-06 22:21:44,022 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 22:21:44,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 680 transitions. [2023-11-06 22:21:44,026 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 680 transitions. Word has length 68 [2023-11-06 22:21:44,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:44,026 INFO L495 AbstractCegarLoop]: Abstraction has 479 states and 680 transitions. [2023-11-06 22:21:44,026 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 22:21:44,026 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 680 transitions. [2023-11-06 22:21:44,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-06 22:21:44,027 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:44,028 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 22:21:44,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:44,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:44,235 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 22:21:44,235 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:44,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1853062836, now seen corresponding path program 1 times [2023-11-06 22:21:44,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:44,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005561062] [2023-11-06 22:21:44,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:44,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:44,267 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:21:44,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [641736656] [2023-11-06 22:21:44,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:44,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:44,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:44,268 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:44,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:21:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:45,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-06 22:21:45,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:45,567 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 22:21:45,651 INFO L322 Elim1Store]: treesize reduction 51, result has 22.7 percent of original size [2023-11-06 22:21:45,651 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 22:21:46,100 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:21:46,101 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 22:21:46,278 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 22:21:46,278 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:46,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:46,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005561062] [2023-11-06 22:21:46,279 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:21:46,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641736656] [2023-11-06 22:21:46,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641736656] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:46,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:46,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-06 22:21:46,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143820249] [2023-11-06 22:21:46,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:46,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:21:46,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:46,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:21:46,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:21:46,282 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 22:21:48,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:48,642 INFO L93 Difference]: Finished difference Result 1335 states and 1911 transitions. [2023-11-06 22:21:48,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:21:48,643 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 22:21:48,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:48,650 INFO L225 Difference]: With dead ends: 1335 [2023-11-06 22:21:48,650 INFO L226 Difference]: Without dead ends: 860 [2023-11-06 22:21:48,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:21:48,652 INFO L413 NwaCegarLoop]: 612 mSDtfsCounter, 907 mSDsluCounter, 3631 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:48,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [914 Valid, 4243 Invalid, 1135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1123 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-06 22:21:48,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2023-11-06 22:21:48,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 517. [2023-11-06 22:21:48,674 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 22:21:48,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 723 transitions. [2023-11-06 22:21:48,678 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 723 transitions. Word has length 68 [2023-11-06 22:21:48,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:48,678 INFO L495 AbstractCegarLoop]: Abstraction has 517 states and 723 transitions. [2023-11-06 22:21:48,679 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 22:21:48,679 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 723 transitions. [2023-11-06 22:21:48,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-06 22:21:48,680 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:48,680 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 22:21:48,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:48,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:48,888 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 22:21:48,889 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:48,889 INFO L85 PathProgramCache]: Analyzing trace with hash 670454676, now seen corresponding path program 1 times [2023-11-06 22:21:48,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:48,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059875500] [2023-11-06 22:21:48,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:48,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:48,932 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:21:48,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1660678992] [2023-11-06 22:21:48,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:48,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:48,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:48,934 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:48,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:21:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:50,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-06 22:21:50,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:50,117 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 22:21:50,117 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:50,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:50,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059875500] [2023-11-06 22:21:50,118 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:21:50,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660678992] [2023-11-06 22:21:50,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660678992] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:50,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:50,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:21:50,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45525124] [2023-11-06 22:21:50,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:50,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:21:50,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:50,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:21:50,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:21:50,120 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 22:21:50,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:50,745 INFO L93 Difference]: Finished difference Result 529 states and 735 transitions. [2023-11-06 22:21:50,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:21:50,746 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 22:21:50,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:50,750 INFO L225 Difference]: With dead ends: 529 [2023-11-06 22:21:50,751 INFO L226 Difference]: Without dead ends: 527 [2023-11-06 22:21:50,751 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 22:21:50,754 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 22:21:50,754 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 22:21:50,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2023-11-06 22:21:50,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 527. [2023-11-06 22:21:50,779 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 22:21:50,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 733 transitions. [2023-11-06 22:21:50,782 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 733 transitions. Word has length 68 [2023-11-06 22:21:50,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:50,784 INFO L495 AbstractCegarLoop]: Abstraction has 527 states and 733 transitions. [2023-11-06 22:21:50,784 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 22:21:50,784 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 733 transitions. [2023-11-06 22:21:50,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-06 22:21:50,786 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:50,786 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 22:21:50,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:50,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-06 22:21:50,994 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 22:21:50,995 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:50,995 INFO L85 PathProgramCache]: Analyzing trace with hash -262435328, now seen corresponding path program 1 times [2023-11-06 22:21:50,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:50,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802831971] [2023-11-06 22:21:50,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:50,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:51,042 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:21:51,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [183802892] [2023-11-06 22:21:51,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:51,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:51,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:51,047 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:51,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:21:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:51,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:21:51,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:51,548 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 22:21:51,548 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:21:51,751 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 22:21:51,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:51,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802831971] [2023-11-06 22:21:51,751 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:21:51,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183802892] [2023-11-06 22:21:51,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183802892] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:21:51,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:21:51,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 9 [2023-11-06 22:21:51,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43284557] [2023-11-06 22:21:51,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:51,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:21:51,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:51,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:21:51,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:21:51,754 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 22:21:52,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:52,052 INFO L93 Difference]: Finished difference Result 2123 states and 3022 transitions. [2023-11-06 22:21:52,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:21:52,052 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 22:21:52,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:52,063 INFO L225 Difference]: With dead ends: 2123 [2023-11-06 22:21:52,063 INFO L226 Difference]: Without dead ends: 1638 [2023-11-06 22:21:52,064 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 22:21:52,065 INFO L413 NwaCegarLoop]: 1615 mSDtfsCounter, 2427 mSDsluCounter, 1750 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 22:21:52,066 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 22:21:52,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1638 states. [2023-11-06 22:21:52,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1638 to 1392. [2023-11-06 22:21:52,133 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 22:21:52,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1983 transitions. [2023-11-06 22:21:52,142 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1983 transitions. Word has length 83 [2023-11-06 22:21:52,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:52,143 INFO L495 AbstractCegarLoop]: Abstraction has 1392 states and 1983 transitions. [2023-11-06 22:21:52,143 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 22:21:52,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1983 transitions. [2023-11-06 22:21:52,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:21:52,145 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:52,145 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 22:21:52,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:52,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 22:21:52,364 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 22:21:52,365 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:52,366 INFO L85 PathProgramCache]: Analyzing trace with hash 2076242331, now seen corresponding path program 1 times [2023-11-06 22:21:52,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:52,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528528467] [2023-11-06 22:21:52,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:52,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:52,422 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:21:52,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [295899620] [2023-11-06 22:21:52,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:52,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:52,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:52,424 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:52,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:21:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:52,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:21:52,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:52,781 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 22:21:52,782 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:52,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:52,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528528467] [2023-11-06 22:21:52,782 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:21:52,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295899620] [2023-11-06 22:21:52,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295899620] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:52,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:52,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:21:52,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001311727] [2023-11-06 22:21:52,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:52,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:21:52,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:52,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:21:52,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:21:52,785 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 22:21:52,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:52,844 INFO L93 Difference]: Finished difference Result 2745 states and 3925 transitions. [2023-11-06 22:21:52,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:21:52,844 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 22:21:52,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:52,853 INFO L225 Difference]: With dead ends: 2745 [2023-11-06 22:21:52,854 INFO L226 Difference]: Without dead ends: 1395 [2023-11-06 22:21:52,856 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 22:21:52,857 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 22:21:52,857 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 22:21:52,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2023-11-06 22:21:52,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1395. [2023-11-06 22:21:52,915 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 22:21:52,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 1986 transitions. [2023-11-06 22:21:52,923 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 1986 transitions. Word has length 81 [2023-11-06 22:21:52,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:52,924 INFO L495 AbstractCegarLoop]: Abstraction has 1395 states and 1986 transitions. [2023-11-06 22:21:52,924 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 22:21:52,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1986 transitions. [2023-11-06 22:21:52,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:21:52,926 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:52,926 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 22:21:52,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:53,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:53,134 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 22:21:53,134 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:53,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1825697955, now seen corresponding path program 1 times [2023-11-06 22:21:53,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:53,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321134962] [2023-11-06 22:21:53,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:53,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:53,183 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:21:53,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1600805225] [2023-11-06 22:21:53,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:53,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:53,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:53,185 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:53,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:21:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:53,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:21:53,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:53,811 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 22:21:53,811 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:53,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:53,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321134962] [2023-11-06 22:21:53,812 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:21:53,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600805225] [2023-11-06 22:21:53,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600805225] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:53,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:53,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:21:53,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349652754] [2023-11-06 22:21:53,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:53,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:21:53,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:53,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:21:53,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:21:53,814 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 22:21:54,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:54,052 INFO L93 Difference]: Finished difference Result 3215 states and 4657 transitions. [2023-11-06 22:21:54,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:21:54,053 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 22:21:54,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:54,067 INFO L225 Difference]: With dead ends: 3215 [2023-11-06 22:21:54,067 INFO L226 Difference]: Without dead ends: 1862 [2023-11-06 22:21:54,071 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 22:21:54,072 INFO L413 NwaCegarLoop]: 828 mSDtfsCounter, 390 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 22:21:54,072 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 22:21:54,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1862 states. [2023-11-06 22:21:54,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1862 to 1378. [2023-11-06 22:21:54,139 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 22:21:54,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 1997 transitions. [2023-11-06 22:21:54,148 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 1997 transitions. Word has length 81 [2023-11-06 22:21:54,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:54,149 INFO L495 AbstractCegarLoop]: Abstraction has 1378 states and 1997 transitions. [2023-11-06 22:21:54,149 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 22:21:54,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1997 transitions. [2023-11-06 22:21:54,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-06 22:21:54,151 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:54,152 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 22:21:54,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:54,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:54,359 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 22:21:54,359 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:54,360 INFO L85 PathProgramCache]: Analyzing trace with hash 931077370, now seen corresponding path program 1 times [2023-11-06 22:21:54,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:54,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309237203] [2023-11-06 22:21:54,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:54,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:54,414 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:21:54,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1999976967] [2023-11-06 22:21:54,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:54,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:54,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:54,416 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:54,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 22:21:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:54,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:21:54,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:55,030 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 22:21:55,030 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:55,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:55,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309237203] [2023-11-06 22:21:55,031 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:21:55,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999976967] [2023-11-06 22:21:55,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999976967] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:55,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:55,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:21:55,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284359839] [2023-11-06 22:21:55,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:55,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:21:55,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:55,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:21:55,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:21:55,033 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 22:21:55,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:55,276 INFO L93 Difference]: Finished difference Result 2561 states and 3725 transitions. [2023-11-06 22:21:55,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:21:55,277 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 22:21:55,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:55,286 INFO L225 Difference]: With dead ends: 2561 [2023-11-06 22:21:55,286 INFO L226 Difference]: Without dead ends: 1378 [2023-11-06 22:21:55,288 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 22:21:55,290 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 22:21:55,290 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 22:21:55,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1378 states. [2023-11-06 22:21:55,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1378 to 1378. [2023-11-06 22:21:55,361 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 22:21:55,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 1996 transitions. [2023-11-06 22:21:55,379 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 1996 transitions. Word has length 119 [2023-11-06 22:21:55,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:55,380 INFO L495 AbstractCegarLoop]: Abstraction has 1378 states and 1996 transitions. [2023-11-06 22:21:55,380 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 22:21:55,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1996 transitions. [2023-11-06 22:21:55,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-06 22:21:55,383 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:55,383 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 22:21:55,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:55,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:55,591 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 22:21:55,591 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:55,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1605107756, now seen corresponding path program 1 times [2023-11-06 22:21:55,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:55,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927346241] [2023-11-06 22:21:55,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:55,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:55,652 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:21:55,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [611048857] [2023-11-06 22:21:55,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:55,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:55,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:55,654 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:55,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 22:21:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:56,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:21:56,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:56,132 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 22:21:56,146 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 22:21:56,153 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 22:21:56,153 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:56,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:56,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927346241] [2023-11-06 22:21:56,153 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:21:56,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611048857] [2023-11-06 22:21:56,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611048857] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:56,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:56,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:21:56,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971912147] [2023-11-06 22:21:56,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:56,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:21:56,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:56,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:21:56,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:21:56,156 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 22:21:56,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:56,579 INFO L93 Difference]: Finished difference Result 1847 states and 2683 transitions. [2023-11-06 22:21:56,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:21:56,580 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 22:21:56,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:56,590 INFO L225 Difference]: With dead ends: 1847 [2023-11-06 22:21:56,591 INFO L226 Difference]: Without dead ends: 1740 [2023-11-06 22:21:56,592 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 22:21:56,593 INFO L413 NwaCegarLoop]: 606 mSDtfsCounter, 249 mSDsluCounter, 1128 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 22:21:56,593 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 22:21:56,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2023-11-06 22:21:56,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1382. [2023-11-06 22:21:56,656 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 22:21:56,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 2000 transitions. [2023-11-06 22:21:56,661 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 2000 transitions. Word has length 124 [2023-11-06 22:21:56,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:56,662 INFO L495 AbstractCegarLoop]: Abstraction has 1382 states and 2000 transitions. [2023-11-06 22:21:56,662 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 22:21:56,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 2000 transitions. [2023-11-06 22:21:56,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-06 22:21:56,664 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:56,664 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 22:21:56,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:56,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:56,877 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 22:21:56,878 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:56,878 INFO L85 PathProgramCache]: Analyzing trace with hash -65911987, now seen corresponding path program 1 times [2023-11-06 22:21:56,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:56,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923371976] [2023-11-06 22:21:56,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:56,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:56,958 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:21:56,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [786459964] [2023-11-06 22:21:56,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:56,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:56,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:56,960 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:56,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 22:21:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:57,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-06 22:21:57,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:57,698 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 22:21:57,699 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:57,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:57,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923371976] [2023-11-06 22:21:57,700 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:21:57,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786459964] [2023-11-06 22:21:57,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786459964] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:57,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:57,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:21:57,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772478586] [2023-11-06 22:21:57,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:57,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:21:57,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:57,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:21:57,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:21:57,706 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 22:21:57,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:57,898 INFO L93 Difference]: Finished difference Result 2577 states and 3744 transitions. [2023-11-06 22:21:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:21:57,899 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 22:21:57,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:57,908 INFO L225 Difference]: With dead ends: 2577 [2023-11-06 22:21:57,908 INFO L226 Difference]: Without dead ends: 1387 [2023-11-06 22:21:57,910 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 22:21:57,911 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 22:21:57,911 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 22:21:57,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2023-11-06 22:21:57,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1387. [2023-11-06 22:21:57,976 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 22:21:57,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 2006 transitions. [2023-11-06 22:21:57,981 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 2006 transitions. Word has length 135 [2023-11-06 22:21:57,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:57,982 INFO L495 AbstractCegarLoop]: Abstraction has 1387 states and 2006 transitions. [2023-11-06 22:21:57,982 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 22:21:57,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 2006 transitions. [2023-11-06 22:21:57,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-06 22:21:57,984 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:57,984 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 22:21:57,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:58,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:58,194 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 22:21:58,195 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:58,195 INFO L85 PathProgramCache]: Analyzing trace with hash 157122231, now seen corresponding path program 1 times [2023-11-06 22:21:58,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:58,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6632507] [2023-11-06 22:21:58,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:58,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:58,262 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:21:58,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1766222222] [2023-11-06 22:21:58,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:58,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:58,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:58,264 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:58,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 22:21:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:59,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 169 conjunts are in the unsatisfiable core [2023-11-06 22:21:59,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:59,205 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 22:21:59,226 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-06 22:21:59,226 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 22:21:59,302 INFO L322 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-06 22:21:59,302 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 22:21:59,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:21:59,469 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 22:21:59,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:21:59,480 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 22:22:00,663 INFO L322 Elim1Store]: treesize reduction 28, result has 49.1 percent of original size [2023-11-06 22:22:00,664 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 22:22:00,771 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 22:22:00,775 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 22:22:00,951 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 22:22:01,734 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-06 22:22:01,734 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 22:22:01,751 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 22:22:01,928 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:22:01,928 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 22:22:01,962 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:22:01,963 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 22:22:02,002 INFO L322 Elim1Store]: treesize reduction 55, result has 8.3 percent of original size [2023-11-06 22:22:02,002 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 22:22:02,018 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 22:22:02,027 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 22:22:02,045 INFO L322 Elim1Store]: treesize reduction 27, result has 15.6 percent of original size [2023-11-06 22:22:02,046 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 22:22:02,067 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 22:22:02,094 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 22:22:02,095 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 22:22:02,128 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:22:02,129 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 22:22:02,161 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:22:02,162 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 22:22:02,231 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 22:22:02,232 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 22:22:02,282 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:22:02,283 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 22:22:02,323 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:22:02,324 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 22:22:02,376 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:22:02,377 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 22:22:02,427 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:22:02,428 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 22:22:02,460 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 22:22:02,461 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 22:22:02,506 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:22:02,507 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 22:22:02,536 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:22:02,537 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 22:22:02,566 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 22:22:02,566 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 22:22:02,601 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 22:22:02,602 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 22:22:02,652 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:22:02,653 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 22:22:02,696 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 22:22:02,697 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 22:22:02,728 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 22:22:02,729 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 22:22:02,764 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:22:02,764 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 22:22:02,792 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 22:22:02,793 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 22:22:03,113 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 22:22:03,119 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 22:22:03,164 INFO L322 Elim1Store]: treesize reduction 8, result has 80.5 percent of original size [2023-11-06 22:22:03,164 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 22:22:03,355 INFO L322 Elim1Store]: treesize reduction 334, result has 7.5 percent of original size [2023-11-06 22:22:03,355 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 22:22:03,401 INFO L322 Elim1Store]: treesize reduction 106, result has 4.5 percent of original size [2023-11-06 22:22:03,402 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 22:22:03,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:22:03,411 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 22:22:03,416 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 22:22:03,432 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 22:22:03,448 INFO L322 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2023-11-06 22:22:03,449 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 22:22:03,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:22:03,860 INFO L322 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2023-11-06 22:22:03,860 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 22:22:03,890 INFO L322 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2023-11-06 22:22:03,891 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 22:22:04,291 INFO L322 Elim1Store]: treesize reduction 194, result has 11.8 percent of original size [2023-11-06 22:22:04,291 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 22:22:04,375 INFO L322 Elim1Store]: treesize reduction 100, result has 16.0 percent of original size [2023-11-06 22:22:04,376 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 22:22:04,936 INFO L322 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2023-11-06 22:22:04,936 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 22:22:04,977 INFO L322 Elim1Store]: treesize reduction 56, result has 16.4 percent of original size [2023-11-06 22:22:04,977 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 22:22:04,991 INFO L322 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2023-11-06 22:22:04,992 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 22:22:05,002 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 22:22:05,009 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 22:22:05,013 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 22:22:05,066 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 22:22:05,067 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:22:05,181 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 22:22:05,284 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 22:22:05,306 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 22:22:05,354 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 22:22:05,389 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 22:22:05,586 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 22:22:05,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:05,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6632507] [2023-11-06 22:22:05,593 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:05,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766222222] [2023-11-06 22:22:05,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766222222] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:22:05,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:22:05,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2023-11-06 22:22:05,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890879392] [2023-11-06 22:22:05,594 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:22:05,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-11-06 22:22:05,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:05,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-11-06 22:22:05,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1087, Unknown=6, NotChecked=426, Total=1640 [2023-11-06 22:22:05,596 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 22:22:13,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:13,057 INFO L93 Difference]: Finished difference Result 3064 states and 4435 transitions. [2023-11-06 22:22:13,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-11-06 22:22:13,058 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 22:22:13,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:13,070 INFO L225 Difference]: With dead ends: 3064 [2023-11-06 22:22:13,070 INFO L226 Difference]: Without dead ends: 1873 [2023-11-06 22:22:13,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 137 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 1556 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=494, Invalid=5224, Unknown=6, NotChecked=918, Total=6642 [2023-11-06 22:22:13,076 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 2590 mSDsluCounter, 12076 mSDsCounter, 0 mSdLazyCounter, 3162 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s 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, 5.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:13,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2615 Valid, 12637 Invalid, 3314 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [152 Valid, 3162 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-06 22:22:13,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1873 states. [2023-11-06 22:22:13,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1873 to 1635. [2023-11-06 22:22:13,216 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 22:22:13,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 2345 transitions. [2023-11-06 22:22:13,223 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 2345 transitions. Word has length 137 [2023-11-06 22:22:13,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:13,224 INFO L495 AbstractCegarLoop]: Abstraction has 1635 states and 2345 transitions. [2023-11-06 22:22:13,224 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 22:22:13,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2345 transitions. [2023-11-06 22:22:13,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-06 22:22:13,227 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:13,227 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 22:22:13,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:13,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:13,440 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 22:22:13,440 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:13,441 INFO L85 PathProgramCache]: Analyzing trace with hash 858722105, now seen corresponding path program 1 times [2023-11-06 22:22:13,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:13,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606514420] [2023-11-06 22:22:13,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:13,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:13,509 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:13,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [287041326] [2023-11-06 22:22:13,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:13,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:13,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:13,511 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:13,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-06 22:22:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:14,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 22:22:14,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:14,253 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 22:22:14,254 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:22:14,414 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 22:22:14,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:14,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606514420] [2023-11-06 22:22:14,414 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:14,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287041326] [2023-11-06 22:22:14,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287041326] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:22:14,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:22:14,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2023-11-06 22:22:14,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788645264] [2023-11-06 22:22:14,415 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:22:14,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:22:14,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:14,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:22:14,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:22:14,417 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 22:22:14,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:14,781 INFO L93 Difference]: Finished difference Result 3082 states and 4439 transitions. [2023-11-06 22:22:14,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 22:22:14,781 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 22:22:14,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:14,791 INFO L225 Difference]: With dead ends: 3082 [2023-11-06 22:22:14,791 INFO L226 Difference]: Without dead ends: 1641 [2023-11-06 22:22:14,794 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 22:22:14,795 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 22:22:14,795 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 22:22:14,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-11-06 22:22:14,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1400. [2023-11-06 22:22:14,871 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 22:22:14,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 2024 transitions. [2023-11-06 22:22:14,875 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 2024 transitions. Word has length 137 [2023-11-06 22:22:14,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:14,875 INFO L495 AbstractCegarLoop]: Abstraction has 1400 states and 2024 transitions. [2023-11-06 22:22:14,876 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 22:22:14,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 2024 transitions. [2023-11-06 22:22:14,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-06 22:22:14,878 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:14,878 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 22:22:14,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:15,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:15,088 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 22:22:15,088 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:15,089 INFO L85 PathProgramCache]: Analyzing trace with hash 679562925, now seen corresponding path program 2 times [2023-11-06 22:22:15,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:15,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363824168] [2023-11-06 22:22:15,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:15,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:15,158 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:15,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [888152902] [2023-11-06 22:22:15,158 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:22:15,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:15,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:15,160 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:15,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-06 22:22:16,391 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 22:22:16,392 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:22:16,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-06 22:22:16,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:32,750 WARN L839 $PredicateComparison]: unable to prove that (exists ((v_y_12 Int) (v_y_10 Int) (v_z_12 Int)) (let ((.cse0 (* v_y_12 4294967296)) (.cse1 (mod (+ (* 4294967295 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) 4276993779) 4294967296))) (and (<= v_z_12 4294967295) (= (+ (mod (+ 2690382803 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) 4294967296) .cse0 (* v_z_12 4294967295)) 4294967296) (= (+ (* v_y_10 4294967296) 1099511627776 (* v_z_12 4294967039) .cse0) (* .cse1 256)) (<= 4294967296 (+ .cse1 v_z_12))))) is different from false [2023-11-06 22:22:32,785 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 22:22:32,786 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:32,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:32,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363824168] [2023-11-06 22:22:32,786 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:32,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888152902] [2023-11-06 22:22:32,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888152902] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:32,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:32,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:22:32,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418378942] [2023-11-06 22:22:32,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:32,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:22:32,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:32,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:22:32,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=22, Unknown=1, NotChecked=8, Total=42 [2023-11-06 22:22:32,790 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 22:22:33,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:33,514 INFO L93 Difference]: Finished difference Result 2661 states and 3859 transitions. [2023-11-06 22:22:33,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:22:33,515 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 22:22:33,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:33,524 INFO L225 Difference]: With dead ends: 2661 [2023-11-06 22:22:33,524 INFO L226 Difference]: Without dead ends: 1406 [2023-11-06 22:22:33,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=15, Invalid=30, Unknown=1, NotChecked=10, Total=56 [2023-11-06 22:22:33,527 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 12 mSDsluCounter, 2439 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 3037 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 140 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:33,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 3037 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 549 Invalid, 0 Unknown, 140 Unchecked, 0.6s Time] [2023-11-06 22:22:33,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1406 states. [2023-11-06 22:22:33,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1406 to 1406. [2023-11-06 22:22:33,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1406 states, 1362 states have (on average 1.4486049926578561) internal successors, (1973), 1369 states have internal predecessors, (1973), 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 22:22:33,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2030 transitions. [2023-11-06 22:22:33,607 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2030 transitions. Word has length 141 [2023-11-06 22:22:33,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:33,607 INFO L495 AbstractCegarLoop]: Abstraction has 1406 states and 2030 transitions. [2023-11-06 22:22:33,607 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 22:22:33,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2030 transitions. [2023-11-06 22:22:33,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-06 22:22:33,610 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:33,610 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 22:22:33,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-06 22:22:33,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-06 22:22:33,820 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 22:22:33,821 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:33,821 INFO L85 PathProgramCache]: Analyzing trace with hash 26530575, now seen corresponding path program 1 times [2023-11-06 22:22:33,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:33,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704110323] [2023-11-06 22:22:33,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:33,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:33,892 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:33,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1969054504] [2023-11-06 22:22:33,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:33,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:33,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:33,894 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:33,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-06 22:22:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:34,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:22:34,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:34,647 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 22:22:34,647 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:34,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:34,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704110323] [2023-11-06 22:22:34,648 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:34,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969054504] [2023-11-06 22:22:34,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969054504] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:34,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:34,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:22:34,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181518982] [2023-11-06 22:22:34,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:34,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:22:34,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:34,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:22:34,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:22:34,652 INFO L87 Difference]: Start difference. First operand 1406 states and 2030 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 22:22:34,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:34,820 INFO L93 Difference]: Finished difference Result 2889 states and 4229 transitions. [2023-11-06 22:22:34,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:22:34,821 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 22:22:34,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:34,830 INFO L225 Difference]: With dead ends: 2889 [2023-11-06 22:22:34,830 INFO L226 Difference]: Without dead ends: 1602 [2023-11-06 22:22:34,832 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 22:22:34,833 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 144 mSDsluCounter, 1180 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1778 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:34,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1778 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:22:34,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1602 states. [2023-11-06 22:22:34,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1602 to 1395. [2023-11-06 22:22:34,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1395 states, 1351 states have (on average 1.4448556624722428) internal successors, (1952), 1358 states have internal predecessors, (1952), 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 22:22:34,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 2009 transitions. [2023-11-06 22:22:34,945 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 2009 transitions. Word has length 141 [2023-11-06 22:22:34,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:34,945 INFO L495 AbstractCegarLoop]: Abstraction has 1395 states and 2009 transitions. [2023-11-06 22:22:34,945 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 22:22:34,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 2009 transitions. [2023-11-06 22:22:34,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-06 22:22:34,948 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:34,948 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 22:22:34,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:35,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:35,157 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 22:22:35,157 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:35,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1912769878, now seen corresponding path program 1 times [2023-11-06 22:22:35,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:35,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828782211] [2023-11-06 22:22:35,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:35,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:35,217 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:35,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [4175389] [2023-11-06 22:22:35,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:35,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:35,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:35,219 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:35,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-06 22:22:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:35,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-06 22:22:35,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:36,037 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 22:22:36,037 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:22:36,388 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 22:22:36,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:36,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828782211] [2023-11-06 22:22:36,389 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:36,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4175389] [2023-11-06 22:22:36,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4175389] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:22:36,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:22:36,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8] total 19 [2023-11-06 22:22:36,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128544073] [2023-11-06 22:22:36,390 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:22:36,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-06 22:22:36,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:36,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-06 22:22:36,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:22:36,412 INFO L87 Difference]: Start difference. First operand 1395 states and 2009 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 22:22:37,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:37,701 INFO L93 Difference]: Finished difference Result 2528 states and 3644 transitions. [2023-11-06 22:22:37,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-06 22:22:37,702 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 22:22:37,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:37,710 INFO L225 Difference]: With dead ends: 2528 [2023-11-06 22:22:37,710 INFO L226 Difference]: Without dead ends: 1176 [2023-11-06 22:22:37,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=275, Invalid=915, Unknown=0, NotChecked=0, Total=1190 [2023-11-06 22:22:37,715 INFO L413 NwaCegarLoop]: 521 mSDtfsCounter, 124 mSDsluCounter, 5069 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 5590 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:37,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 5590 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:22:37,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2023-11-06 22:22:37,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1170. [2023-11-06 22:22:37,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1170 states, 1126 states have (on average 1.4271758436944937) internal successors, (1607), 1133 states have internal predecessors, (1607), 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 22:22:37,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1664 transitions. [2023-11-06 22:22:37,798 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1664 transitions. Word has length 142 [2023-11-06 22:22:37,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:37,798 INFO L495 AbstractCegarLoop]: Abstraction has 1170 states and 1664 transitions. [2023-11-06 22:22:37,799 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 22:22:37,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1664 transitions. [2023-11-06 22:22:37,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-06 22:22:37,801 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:37,801 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 22:22:37,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:38,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:38,012 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 22:22:38,012 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:38,012 INFO L85 PathProgramCache]: Analyzing trace with hash -953698123, now seen corresponding path program 2 times [2023-11-06 22:22:38,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:38,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139702767] [2023-11-06 22:22:38,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:38,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:38,095 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:38,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1146030642] [2023-11-06 22:22:38,095 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:22:38,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:38,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:38,097 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:38,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-06 22:22:38,828 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 22:22:38,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:22:38,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:22:38,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:39,030 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 22:22:39,031 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:39,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:39,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139702767] [2023-11-06 22:22:39,032 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:39,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146030642] [2023-11-06 22:22:39,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146030642] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:39,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:39,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:22:39,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197610936] [2023-11-06 22:22:39,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:39,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:22:39,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:39,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:22:39,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:22:39,035 INFO L87 Difference]: Start difference. First operand 1170 states and 1664 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 22:22:39,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:39,436 INFO L93 Difference]: Finished difference Result 2302 states and 3291 transitions. [2023-11-06 22:22:39,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:22:39,437 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 22:22:39,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:39,444 INFO L225 Difference]: With dead ends: 2302 [2023-11-06 22:22:39,445 INFO L226 Difference]: Without dead ends: 1188 [2023-11-06 22:22:39,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:22:39,448 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, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:39,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2887 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:22:39,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2023-11-06 22:22:39,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 1182. [2023-11-06 22:22:39,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1182 states, 1138 states have (on average 1.4253075571177505) internal successors, (1622), 1145 states have internal predecessors, (1622), 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 22:22:39,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1679 transitions. [2023-11-06 22:22:39,517 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1679 transitions. Word has length 151 [2023-11-06 22:22:39,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:39,517 INFO L495 AbstractCegarLoop]: Abstraction has 1182 states and 1679 transitions. [2023-11-06 22:22:39,517 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 22:22:39,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1679 transitions. [2023-11-06 22:22:39,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 22:22:39,520 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:39,520 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 22:22:39,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:39,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:39,729 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 22:22:39,729 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:39,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1518697027, now seen corresponding path program 1 times [2023-11-06 22:22:39,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:39,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905913809] [2023-11-06 22:22:39,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:39,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:39,809 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:39,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2200301] [2023-11-06 22:22:39,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:39,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:39,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:39,811 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:39,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-06 22:22:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:41,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 197 conjunts are in the unsatisfiable core [2023-11-06 22:22:41,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:41,243 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 22:22:41,262 INFO L322 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-06 22:22:41,263 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 22:22:41,315 INFO L322 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-06 22:22:41,316 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 22:22:41,455 INFO L322 Elim1Store]: treesize reduction 51, result has 22.7 percent of original size [2023-11-06 22:22:41,455 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 22:22:41,464 INFO L322 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-06 22:22:41,465 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 22:22:42,323 INFO L322 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-11-06 22:22:42,324 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 22:22:42,376 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 22:22:42,506 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 22:22:43,348 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-06 22:22:43,349 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 22:22:44,202 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:22:44,205 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 22:22:44,494 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:22:44,497 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 22:22:44,610 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:22:44,612 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 22:22:44,729 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:22:44,731 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 22:22:44,816 INFO L322 Elim1Store]: treesize reduction 100, result has 4.8 percent of original size [2023-11-06 22:22:44,817 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 22:22:44,902 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 22:22:44,924 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 22:22:44,933 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 22:22:44,948 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 22:22:44,972 INFO L322 Elim1Store]: treesize reduction 68, result has 1.4 percent of original size [2023-11-06 22:22:44,972 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 22:22:45,098 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:22:45,099 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 22:22:45,410 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:22:45,413 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 22:22:45,614 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:22:45,617 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 22:22:45,708 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:22:45,709 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 22:22:45,792 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:22:45,793 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 22:22:45,903 INFO L322 Elim1Store]: treesize reduction 100, result has 4.8 percent of original size [2023-11-06 22:22:45,904 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 22:22:46,014 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 22:22:46,023 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 22:22:46,037 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 22:22:46,063 INFO L322 Elim1Store]: treesize reduction 68, result has 1.4 percent of original size [2023-11-06 22:22:46,063 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 22:22:46,095 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 22:22:46,266 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:22:46,268 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 22:22:46,431 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:22:46,434 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 22:22:46,553 INFO L322 Elim1Store]: treesize reduction 100, result has 4.8 percent of original size [2023-11-06 22:22:46,554 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 22:22:46,676 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 22:22:46,684 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 22:22:46,691 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 22:22:46,716 INFO L322 Elim1Store]: treesize reduction 68, result has 1.4 percent of original size [2023-11-06 22:22:46,716 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 22:22:46,750 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 22:22:46,837 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:22:46,839 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 22:22:47,067 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:22:47,071 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 22:22:47,164 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:22:47,165 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 22:22:47,383 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:22:47,386 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 22:22:47,543 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:22:47,545 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 22:22:47,621 INFO L322 Elim1Store]: treesize reduction 100, result has 4.8 percent of original size [2023-11-06 22:22:47,622 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 22:22:47,845 INFO L322 Elim1Store]: treesize reduction 347, result has 18.9 percent of original size [2023-11-06 22:22:47,846 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 22:22:47,879 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 22:22:47,899 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 22:22:47,911 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 22:22:50,196 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 22:22:50,283 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:22:50,285 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 22:22:51,089 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:22:51,092 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 22:22:51,195 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:22:51,196 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 22:22:51,382 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:22:51,385 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 22:22:51,570 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:22:51,573 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 22:22:51,672 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:22:51,673 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 22:22:51,861 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:22:51,864 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 22:22:51,998 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:22:52,000 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 24694 treesize of output 21355 [2023-11-06 22:22:52,113 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:22:52,113 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 22:22:52,187 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:22:52,189 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 22:22:52,315 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:22:52,316 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 22:22:52,419 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:22:52,420 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 22:22:52,492 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:22:52,493 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 22:22:52,602 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:22:52,604 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 22:22:52,662 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:22:52,663 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 22:22:52,737 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:22:52,739 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 22:22:53,024 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:22:53,027 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 22:22:53,087 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:22:53,088 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 22:22:53,338 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:22:53,341 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 22:22:53,399 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:22:53,400 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 22:22:53,474 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:22:53,475 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 22:22:53,577 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:22:53,579 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 22:22:53,656 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:22:53,658 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 22:22:53,820 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:22:53,823 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 22:22:54,066 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:22:54,069 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 22:22:54,168 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:22:54,170 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 22:22:54,232 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:22:54,233 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 22:22:54,333 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:22:54,335 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 22:22:54,432 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:22:54,434 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 22:22:54,484 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:22:54,485 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 22:22:54,560 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:22:54,562 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 22:22:54,650 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:22:54,652 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 22:22:54,803 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:22:54,806 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 22:22:54,963 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:22:54,966 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 22:22:55,051 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:22:55,053 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 22:22:55,290 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:22:55,292 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 22:22:55,480 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:22:55,483 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 22:22:55,580 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:22:55,582 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 22:22:55,670 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:22:55,672 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 22:22:55,736 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:22:55,737 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 22:22:55,829 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:22:55,830 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 22:22:55,879 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:22:55,879 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 22:22:55,959 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:22:55,961 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 22:22:56,135 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:22:56,138 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 22:22:56,243 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:22:56,245 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 22:22:56,428 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:22:56,431 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 22:22:56,617 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:22:56,620 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 22:22:56,819 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:22:56,820 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 22:22:57,022 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:22:57,025 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 22:22:57,129 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:22:57,130 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 22:22:57,228 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:22:57,229 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 22:22:57,303 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:22:57,305 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 22:22:57,396 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:22:57,398 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 22:22:57,454 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:22:57,455 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 22:22:57,533 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:22:57,535 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 22:22:57,728 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:22:57,731 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 22:22:57,907 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:22:57,910 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 22:22:57,975 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:22:57,976 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 22:22:58,079 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:22:58,081 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 22:22:58,130 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:22:58,131 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 22:22:58,214 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:22:58,216 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 22:22:58,373 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:22:58,375 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 22:22:58,428 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:22:58,429 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 22:22:58,538 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:22:58,539 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 36091 treesize of output 30863 [2023-11-06 22:22:58,666 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:22:58,668 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 22:22:58,768 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:22:58,770 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 22:22:58,821 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:22:58,821 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 22:22:59,010 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:22:59,013 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 22:22:59,086 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:22:59,087 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 22:22:59,258 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:22:59,262 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 22:22:59,359 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:22:59,361 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 22:22:59,414 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:22:59,414 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 22:22:59,485 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:22:59,487 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 22:22:59,656 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:22:59,659 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 22:22:59,822 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:22:59,825 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 22:22:59,932 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:22:59,934 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 22:23:00,022 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:23:00,024 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 22:23:00,134 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:23:00,136 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 22:23:00,233 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:23:00,234 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 22:23:00,306 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:23:00,308 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 22:23:00,481 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:23:00,484 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 22:23:00,673 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:23:00,676 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 22:23:00,809 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:23:00,811 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 22:23:00,867 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:23:00,867 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 22:23:00,943 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:23:00,945 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 22:23:01,618 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:23:01,619 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 22:23:01,772 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:23:01,774 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 22:23:01,949 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:23:01,952 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 22:23:02,046 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:23:02,047 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 22:23:02,097 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:23:02,098 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 22:23:02,169 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:23:02,171 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 22:23:02,275 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:23:02,277 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 22:23:02,324 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:23:02,325 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 22:23:02,407 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:23:02,409 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 22:23:02,504 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:23:02,506 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 22:23:02,707 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:23:02,709 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 22:23:02,878 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:23:02,881 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 22:23:02,959 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 22:23:02,961 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 22:23:03,151 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:23:03,154 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 22:23:03,366 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:23:03,368 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 22:23:03,458 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:23:03,459 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 22:23:03,543 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:23:03,545 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 22:23:03,587 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:23:03,588 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 22:23:03,669 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:23:03,670 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 22:23:03,721 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:23:03,722 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 22:23:03,801 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:23:03,802 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 22:23:04,705 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:23:04,708 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 22:23:04,769 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:23:04,770 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 22:23:04,946 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:23:04,949 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 22:23:05,151 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:23:05,154 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 22:23:05,226 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:23:05,228 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 22:23:05,393 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:23:05,397 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 22:23:05,564 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:23:05,566 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 24694 treesize of output 21355 [2023-11-06 22:23:05,610 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:23:05,611 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 22:23:05,679 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:23:05,681 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 22:23:05,803 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:23:05,805 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 22:23:05,891 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:23:05,892 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 22:23:05,955 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:23:05,955 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 22:23:06,044 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:23:06,046 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 22:23:06,121 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:23:06,122 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 22:23:06,209 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:23:06,210 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 22:23:06,420 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:23:06,423 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 22:23:06,533 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:23:06,534 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 22:23:06,716 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:23:06,721 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 22:23:06,782 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:23:06,782 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 22:23:06,853 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:23:06,854 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 22:23:06,971 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:23:06,973 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 22:23:07,119 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:23:07,120 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 22:23:07,185 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:23:07,186 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 22:23:07,269 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:23:07,271 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 22:23:07,441 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:23:07,444 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 22:23:07,502 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:23:07,504 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 22:23:07,666 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:23:07,669 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 22:23:07,762 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:23:07,763 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 22:23:07,813 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:23:07,814 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 22:23:07,891 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:23:07,892 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 22:23:07,997 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:23:07,999 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 22:23:08,076 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:23:08,077 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 22:23:08,175 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:23:08,176 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 22:23:08,328 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:23:08,330 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 22:23:08,388 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:23:08,388 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 22:23:08,464 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:23:08,465 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 22:23:08,700 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:23:08,703 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 22:23:08,775 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:23:08,776 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 22:23:09,000 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:23:09,003 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 22:23:09,178 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:23:09,181 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 22:23:09,240 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:23:09,242 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 22:23:09,392 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:23:09,395 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 22:23:09,570 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:23:09,573 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 22:23:09,650 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:23:09,652 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 22:23:09,827 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 22:23:09,830 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 22:23:10,006 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:23:10,010 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 22:23:10,103 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:23:10,104 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 22:23:10,285 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:23:10,288 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 22:23:10,476 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:23:10,479 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 22:23:10,544 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:23:10,545 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 22:23:10,623 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:23:10,625 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 22:23:10,731 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:23:10,733 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 22:23:10,780 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:23:10,780 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 22:23:10,885 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:23:10,887 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 22:23:11,127 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 22:23:11,130 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 22:23:11,340 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 22:23:11,344 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 22:23:11,456 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 22:23:11,457 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 22:23:11,571 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:23:11,573 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 22:23:11,632 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:23:11,633 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 22:23:11,715 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:23:11,716 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 22:23:11,816 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 22:23:11,817 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 22:23:11,875 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 22:23:11,875 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 22:23:11,946 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 22:23:11,948 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 22:23:12,261 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 22:23:12,291 INFO L322 Elim1Store]: treesize reduction 12, result has 58.6 percent of original size [2023-11-06 22:23:12,291 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 22:23:12,307 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 22:23:12,400 INFO L322 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2023-11-06 22:23:12,400 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 22:23:12,432 INFO L322 Elim1Store]: treesize reduction 37, result has 2.6 percent of original size [2023-11-06 22:23:12,433 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 22:23:12,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:23:12,504 INFO L322 Elim1Store]: treesize reduction 334, result has 7.5 percent of original size [2023-11-06 22:23:12,504 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 22:23:12,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:23:12,518 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 22:23:14,196 INFO L322 Elim1Store]: treesize reduction 900, result has 10.5 percent of original size [2023-11-06 22:23:14,196 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 22:23:14,400 INFO L322 Elim1Store]: treesize reduction 656, result has 6.7 percent of original size [2023-11-06 22:23:14,401 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 22:23:14,412 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 22:23:14,473 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 22:23:15,231 INFO L322 Elim1Store]: treesize reduction 570, result has 8.7 percent of original size [2023-11-06 22:23:15,232 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 22:23:15,354 INFO L322 Elim1Store]: treesize reduction 460, result has 9.3 percent of original size [2023-11-06 22:23:15,356 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 22:23:16,279 INFO L322 Elim1Store]: treesize reduction 360, result has 11.5 percent of original size [2023-11-06 22:23:16,279 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 22:23:16,329 INFO L322 Elim1Store]: treesize reduction 56, result has 16.4 percent of original size [2023-11-06 22:23:16,330 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 22:23:16,348 INFO L322 Elim1Store]: treesize reduction 118, result has 0.8 percent of original size [2023-11-06 22:23:16,348 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 22:23:16,407 INFO L322 Elim1Store]: treesize reduction 144, result has 16.8 percent of original size [2023-11-06 22:23:16,408 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 22:23:16,421 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 22:23:16,482 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 22:23:16,482 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:23:19,507 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 22:23:54,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:54,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905913809] [2023-11-06 22:23:54,026 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:23:54,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2200301] [2023-11-06 22:23:54,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2200301] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:23:54,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:23:54,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2023-11-06 22:23:54,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355637753] [2023-11-06 22:23:54,027 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:23:54,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-11-06 22:23:54,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:54,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-11-06 22:23:54,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=1786, Unknown=47, NotChecked=86, Total=2070 [2023-11-06 22:23:54,029 INFO L87 Difference]: Start difference. First operand 1182 states and 1679 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 22:24:15,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:15,420 INFO L93 Difference]: Finished difference Result 2678 states and 3809 transitions. [2023-11-06 22:24:15,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-11-06 22:24:15,421 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 22:24:15,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:24:15,432 INFO L225 Difference]: With dead ends: 2678 [2023-11-06 22:24:15,432 INFO L226 Difference]: Without dead ends: 1616 [2023-11-06 22:24:15,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 148 SyntacticMatches, 1 SemanticMatches, 91 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2370 ImplicationChecksByTransitivity, 45.5s TimeCoverageRelationStatistics Valid=589, Invalid=7733, Unknown=54, NotChecked=180, Total=8556 [2023-11-06 22:24:15,439 INFO L413 NwaCegarLoop]: 492 mSDtfsCounter, 1355 mSDsluCounter, 11260 mSDsCounter, 0 mSdLazyCounter, 4093 mSolverCounterSat, 107 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1376 SdHoareTripleChecker+Valid, 11752 SdHoareTripleChecker+Invalid, 4204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 4093 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:24:15,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1376 Valid, 11752 Invalid, 4204 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [107 Valid, 4093 Invalid, 4 Unknown, 0 Unchecked, 13.8s Time] [2023-11-06 22:24:15,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1616 states. [2023-11-06 22:24:15,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1616 to 1371. [2023-11-06 22:24:15,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1371 states, 1313 states have (on average 1.4051789794364051) internal successors, (1845), 1322 states have internal predecessors, (1845), 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 22:24:15,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1371 states and 1922 transitions. [2023-11-06 22:24:15,543 INFO L78 Accepts]: Start accepts. Automaton has 1371 states and 1922 transitions. Word has length 152 [2023-11-06 22:24:15,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:24:15,543 INFO L495 AbstractCegarLoop]: Abstraction has 1371 states and 1922 transitions. [2023-11-06 22:24:15,544 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 22:24:15,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1922 transitions. [2023-11-06 22:24:15,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 22:24:15,546 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:24:15,546 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 22:24:15,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:15,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:24:15,762 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 22:24:15,763 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:15,763 INFO L85 PathProgramCache]: Analyzing trace with hash -817097153, now seen corresponding path program 1 times [2023-11-06 22:24:15,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:15,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192656315] [2023-11-06 22:24:15,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:15,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:15,831 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:24:15,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2146584940] [2023-11-06 22:24:15,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:15,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:24:15,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:15,833 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:24:15,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-06 22:24:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:17,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-06 22:24:17,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:24:18,260 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 22:24:18,261 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:24:18,882 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 22:24:18,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:18,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192656315] [2023-11-06 22:24:18,882 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:24:18,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146584940] [2023-11-06 22:24:18,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146584940] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:24:18,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:24:18,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9] total 24 [2023-11-06 22:24:18,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132095126] [2023-11-06 22:24:18,883 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:24:18,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-06 22:24:18,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:18,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-06 22:24:18,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=437, Unknown=0, NotChecked=0, Total=552 [2023-11-06 22:24:18,886 INFO L87 Difference]: Start difference. First operand 1371 states and 1922 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 22:24:21,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:21,742 INFO L93 Difference]: Finished difference Result 2655 states and 3753 transitions. [2023-11-06 22:24:21,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-06 22:24:21,743 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 22:24:21,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:24:21,752 INFO L225 Difference]: With dead ends: 2655 [2023-11-06 22:24:21,752 INFO L226 Difference]: Without dead ends: 1395 [2023-11-06 22:24:21,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 534 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=498, Invalid=2154, Unknown=0, NotChecked=0, Total=2652 [2023-11-06 22:24:21,763 INFO L413 NwaCegarLoop]: 535 mSDtfsCounter, 33 mSDsluCounter, 5809 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 6344 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:24:21,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 6344 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:24:21,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2023-11-06 22:24:21,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1175. [2023-11-06 22:24:21,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 1133 states have (on average 1.4263018534863194) internal successors, (1616), 1139 states have internal predecessors, (1616), 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 22:24:21,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1671 transitions. [2023-11-06 22:24:21,855 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1671 transitions. Word has length 152 [2023-11-06 22:24:21,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:24:21,856 INFO L495 AbstractCegarLoop]: Abstraction has 1175 states and 1671 transitions. [2023-11-06 22:24:21,857 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 22:24:21,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1671 transitions. [2023-11-06 22:24:21,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-06 22:24:21,859 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:24:21,860 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 22:24:21,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:22,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-11-06 22:24:22,082 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 22:24:22,082 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:22,082 INFO L85 PathProgramCache]: Analyzing trace with hash -357227550, now seen corresponding path program 2 times [2023-11-06 22:24:22,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:22,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348512825] [2023-11-06 22:24:22,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:22,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:22,168 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:24:22,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1371338543] [2023-11-06 22:24:22,168 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:24:22,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:24:22,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:22,170 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:24:22,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_686aef65-a05b-46b4-a1c2-3c7b9ff507e4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-06 22:24:25,348 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 22:24:25,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:24:25,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-06 22:24:25,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:25:00,701 WARN L293 SmtUtils]: Spent 8.69s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 22:25:00,739 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2023-11-06 22:25:00,740 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:25:00,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:25:00,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348512825] [2023-11-06 22:25:00,740 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:25:00,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371338543] [2023-11-06 22:25:00,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371338543] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:25:00,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:25:00,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:25:00,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161401546] [2023-11-06 22:25:00,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:25:00,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:25:00,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:25:00,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:25:00,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=88, Unknown=3, NotChecked=0, Total=110 [2023-11-06 22:25:00,743 INFO L87 Difference]: Start difference. First operand 1175 states and 1671 transitions. Second operand has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 11 states have internal predecessors, (108), 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 22:25:03,812 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 22:25:07,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:25:10,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:25:12,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:25:14,984 WARN L539 Checker$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 22:25:17,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:25:19,231 WARN L539 Checker$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 22:25:21,343 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]