./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/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_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/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_5b5f6b66-acf0-460a-bf1c-42a36b64979e/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 e4ea247b245ebcaf5e735452e89c4110c7b9dc9b43836e98484a894783fc3462 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:00:41,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:00:41,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 23:00:41,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:00:41,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:00:42,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:00:42,012 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:00:42,013 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:00:42,014 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:00:42,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:00:42,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:00:42,016 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:00:42,017 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:00:42,018 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:00:42,018 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:00:42,019 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:00:42,020 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:00:42,020 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:00:42,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:00:42,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:00:42,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:00:42,024 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:00:42,024 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:00:42,025 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:00:42,026 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:00:42,026 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:00:42,027 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:00:42,028 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:00:42,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:00:42,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:00:42,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:00:42,030 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:00:42,031 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:00:42,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:00:42,031 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:00:42,032 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:00:42,032 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:00:42,032 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:00:42,033 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:00:42,033 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_5b5f6b66-acf0-460a-bf1c-42a36b64979e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4ea247b245ebcaf5e735452e89c4110c7b9dc9b43836e98484a894783fc3462 [2023-11-06 23:00:42,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:00:42,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:00:42,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:00:42,392 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:00:42,393 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:00:42,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i [2023-11-06 23:00:45,615 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:00:46,072 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:00:46,073 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i [2023-11-06 23:00:46,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/data/65e2dfc82/0ba2dd879345458aa854928202dd6a75/FLAGa43178bc0 [2023-11-06 23:00:46,110 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/data/65e2dfc82/0ba2dd879345458aa854928202dd6a75 [2023-11-06 23:00:46,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:00:46,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:00:46,116 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:00:46,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:00:46,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:00:46,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:00:46" (1/1) ... [2023-11-06 23:00:46,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e10afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:46, skipping insertion in model container [2023-11-06 23:00:46,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:00:46" (1/1) ... [2023-11-06 23:00:46,198 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:00:46,931 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_5b5f6b66-acf0-460a-bf1c-42a36b64979e/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[44118,44131] [2023-11-06 23:00:46,958 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_5b5f6b66-acf0-460a-bf1c-42a36b64979e/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[44660,44673] [2023-11-06 23:00:47,131 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_5b5f6b66-acf0-460a-bf1c-42a36b64979e/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[56247,56260] [2023-11-06 23:00:47,143 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_5b5f6b66-acf0-460a-bf1c-42a36b64979e/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[56368,56381] [2023-11-06 23:00:47,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:00:47,187 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:00:47,227 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_5b5f6b66-acf0-460a-bf1c-42a36b64979e/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[44118,44131] [2023-11-06 23:00:47,230 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_5b5f6b66-acf0-460a-bf1c-42a36b64979e/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[44660,44673] [2023-11-06 23:00:47,291 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_5b5f6b66-acf0-460a-bf1c-42a36b64979e/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[56247,56260] [2023-11-06 23:00:47,292 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_5b5f6b66-acf0-460a-bf1c-42a36b64979e/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[56368,56381] [2023-11-06 23:00:47,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:00:47,366 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:00:47,374 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:00:47,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:47 WrapperNode [2023-11-06 23:00:47,375 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:00:47,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:00:47,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:00:47,377 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:00:47,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:47" (1/1) ... [2023-11-06 23:00:47,432 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:47" (1/1) ... [2023-11-06 23:00:47,562 INFO L138 Inliner]: procedures = 282, calls = 347, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1542 [2023-11-06 23:00:47,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:00:47,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:00:47,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:00:47,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:00:47,575 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:47" (1/1) ... [2023-11-06 23:00:47,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:47" (1/1) ... [2023-11-06 23:00:47,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:47" (1/1) ... [2023-11-06 23:00:47,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:47" (1/1) ... [2023-11-06 23:00:47,646 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:47" (1/1) ... [2023-11-06 23:00:47,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:47" (1/1) ... [2023-11-06 23:00:47,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:47" (1/1) ... [2023-11-06 23:00:47,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:47" (1/1) ... [2023-11-06 23:00:47,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:00:47,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:00:47,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:00:47,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:00:47,696 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:47" (1/1) ... [2023-11-06 23:00:47,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:00:47,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:47,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:00:47,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:00:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:00:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-06 23:00:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 23:00:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:00:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-11-06 23:00:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-11-06 23:00:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:00:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-06 23:00:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-06 23:00:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:00:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 23:00:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:00:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-11-06 23:00:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-11-06 23:00:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 23:00:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-11-06 23:00:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-11-06 23:00:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:00:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:00:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:00:48,166 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:00:48,168 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:00:50,145 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:00:50,160 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:00:50,161 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-06 23:00:50,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:00:50 BoogieIcfgContainer [2023-11-06 23:00:50,164 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:00:50,167 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:00:50,167 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:00:50,171 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:00:50,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:00:46" (1/3) ... [2023-11-06 23:00:50,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c08135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:00:50, skipping insertion in model container [2023-11-06 23:00:50,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:00:47" (2/3) ... [2023-11-06 23:00:50,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c08135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:00:50, skipping insertion in model container [2023-11-06 23:00:50,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:00:50" (3/3) ... [2023-11-06 23:00:50,177 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test6-2.i [2023-11-06 23:00:50,200 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:00:50,200 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-06 23:00:50,291 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:00:50,301 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;@7ca4f188, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:00:50,301 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-06 23:00:50,309 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 23:00:50,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 23:00:50,318 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:00:50,319 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:00:50,319 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 23:00:50,325 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:00:50,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1053908008, now seen corresponding path program 1 times [2023-11-06 23:00:50,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:00:50,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907904468] [2023-11-06 23:00:50,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:50,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:00:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:50,610 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 23:00:50,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:00:50,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907904468] [2023-11-06 23:00:50,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907904468] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:00:50,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:00:50,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:00:50,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108863175] [2023-11-06 23:00:50,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:00:50,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:00:50,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:00:50,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:00:50,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:00:50,682 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 23:00:50,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:00:50,774 INFO L93 Difference]: Finished difference Result 857 states and 1422 transitions. [2023-11-06 23:00:50,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:00:50,776 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 23:00:50,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:00:50,790 INFO L225 Difference]: With dead ends: 857 [2023-11-06 23:00:50,790 INFO L226 Difference]: Without dead ends: 424 [2023-11-06 23:00:50,796 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 23:00:50,800 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 23:00:50,801 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 23:00:50,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2023-11-06 23:00:50,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2023-11-06 23:00:50,878 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 23:00:50,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 620 transitions. [2023-11-06 23:00:50,884 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 620 transitions. Word has length 8 [2023-11-06 23:00:50,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:00:50,885 INFO L495 AbstractCegarLoop]: Abstraction has 424 states and 620 transitions. [2023-11-06 23:00:50,885 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 23:00:50,885 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 620 transitions. [2023-11-06 23:00:50,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-06 23:00:50,886 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:00:50,886 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:00:50,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:00:50,887 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 23:00:50,887 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:00:50,888 INFO L85 PathProgramCache]: Analyzing trace with hash -719765386, now seen corresponding path program 1 times [2023-11-06 23:00:50,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:00:50,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251323773] [2023-11-06 23:00:50,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:50,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:00:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:51,170 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 23:00:51,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:00:51,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251323773] [2023-11-06 23:00:51,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251323773] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:00:51,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:00:51,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:00:51,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905832056] [2023-11-06 23:00:51,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:00:51,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:00:51,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:00:51,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:00:51,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:00:51,176 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 23:00:51,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:00:51,772 INFO L93 Difference]: Finished difference Result 967 states and 1432 transitions. [2023-11-06 23:00:51,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:00:51,773 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 23:00:51,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:00:51,779 INFO L225 Difference]: With dead ends: 967 [2023-11-06 23:00:51,780 INFO L226 Difference]: Without dead ends: 737 [2023-11-06 23:00:51,781 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 23:00:51,783 INFO L413 NwaCegarLoop]: 617 mSDtfsCounter, 453 mSDsluCounter, 1134 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 1751 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 23:00:51,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 1751 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 23:00:51,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2023-11-06 23:00:51,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 426. [2023-11-06 23:00:51,850 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 23:00:51,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 622 transitions. [2023-11-06 23:00:51,856 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 622 transitions. Word has length 10 [2023-11-06 23:00:51,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:00:51,856 INFO L495 AbstractCegarLoop]: Abstraction has 426 states and 622 transitions. [2023-11-06 23:00:51,856 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 23:00:51,857 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 622 transitions. [2023-11-06 23:00:51,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 23:00:51,862 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:00:51,862 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 23:00:51,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:00:51,865 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 23:00:51,866 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:00:51,867 INFO L85 PathProgramCache]: Analyzing trace with hash 512859417, now seen corresponding path program 1 times [2023-11-06 23:00:51,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:00:51,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509965686] [2023-11-06 23:00:51,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:51,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:00:51,940 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:00:51,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1294165689] [2023-11-06 23:00:51,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:51,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:00:51,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:51,949 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:00:51,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 23:00:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:52,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:00:52,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:00:52,317 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 23:00:52,317 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:00:52,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:00:52,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509965686] [2023-11-06 23:00:52,318 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:00:52,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294165689] [2023-11-06 23:00:52,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294165689] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:00:52,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:00:52,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:00:52,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351707416] [2023-11-06 23:00:52,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:00:52,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:00:52,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:00:52,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:00:52,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:00:52,322 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 23:00:52,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:00:52,437 INFO L93 Difference]: Finished difference Result 869 states and 1271 transitions. [2023-11-06 23:00:52,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:00:52,438 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 23:00:52,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:00:52,442 INFO L225 Difference]: With dead ends: 869 [2023-11-06 23:00:52,443 INFO L226 Difference]: Without dead ends: 447 [2023-11-06 23:00:52,444 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 23:00:52,445 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 23:00:52,446 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 23:00:52,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2023-11-06 23:00:52,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 446. [2023-11-06 23:00:52,463 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 23:00:52,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 642 transitions. [2023-11-06 23:00:52,467 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 642 transitions. Word has length 66 [2023-11-06 23:00:52,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:00:52,468 INFO L495 AbstractCegarLoop]: Abstraction has 446 states and 642 transitions. [2023-11-06 23:00:52,468 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 23:00:52,468 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 642 transitions. [2023-11-06 23:00:52,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 23:00:52,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:00:52,474 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 23:00:52,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:00:52,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-06 23:00:52,676 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 23:00:52,677 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:00:52,677 INFO L85 PathProgramCache]: Analyzing trace with hash 264712923, now seen corresponding path program 1 times [2023-11-06 23:00:52,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:00:52,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752173880] [2023-11-06 23:00:52,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:52,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:00:52,741 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:00:52,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [375943738] [2023-11-06 23:00:52,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:52,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:00:52,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:52,752 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:00:52,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 23:00:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:53,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:00:53,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:00:53,096 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 23:00:53,096 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:00:53,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:00:53,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752173880] [2023-11-06 23:00:53,097 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:00:53,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375943738] [2023-11-06 23:00:53,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375943738] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:00:53,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:00:53,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:00:53,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980503350] [2023-11-06 23:00:53,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:00:53,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:00:53,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:00:53,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:00:53,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:00:53,102 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 23:00:53,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:00:53,205 INFO L93 Difference]: Finished difference Result 875 states and 1267 transitions. [2023-11-06 23:00:53,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:00:53,206 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 23:00:53,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:00:53,209 INFO L225 Difference]: With dead ends: 875 [2023-11-06 23:00:53,210 INFO L226 Difference]: Without dead ends: 433 [2023-11-06 23:00:53,211 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 23:00:53,212 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 23:00:53,213 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 23:00:53,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2023-11-06 23:00:53,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 432. [2023-11-06 23:00:53,227 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 23:00:53,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 621 transitions. [2023-11-06 23:00:53,230 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 621 transitions. Word has length 66 [2023-11-06 23:00:53,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:00:53,231 INFO L495 AbstractCegarLoop]: Abstraction has 432 states and 621 transitions. [2023-11-06 23:00:53,231 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 23:00:53,231 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 621 transitions. [2023-11-06 23:00:53,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 23:00:53,233 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:00:53,233 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 23:00:53,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:00:53,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:00:53,440 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 23:00:53,440 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:00:53,440 INFO L85 PathProgramCache]: Analyzing trace with hash -30782195, now seen corresponding path program 1 times [2023-11-06 23:00:53,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:00:53,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444061200] [2023-11-06 23:00:53,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:53,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:00:53,493 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:00:53,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [678195499] [2023-11-06 23:00:53,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:53,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:00:53,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:53,496 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:00:53,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 23:00:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:53,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 23:00:53,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:00:53,905 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 23:00:53,905 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:00:53,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:00:53,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444061200] [2023-11-06 23:00:53,906 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:00:53,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678195499] [2023-11-06 23:00:53,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678195499] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:00:53,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:00:53,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:00:53,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720866827] [2023-11-06 23:00:53,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:00:53,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:00:53,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:00:53,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:00:53,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:00:53,913 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 23:00:54,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:00:54,465 INFO L93 Difference]: Finished difference Result 909 states and 1304 transitions. [2023-11-06 23:00:54,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 23:00:54,466 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 23:00:54,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:00:54,470 INFO L225 Difference]: With dead ends: 909 [2023-11-06 23:00:54,470 INFO L226 Difference]: Without dead ends: 481 [2023-11-06 23:00:54,472 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 23:00:54,473 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 23:00:54,473 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 23:00:54,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2023-11-06 23:00:54,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 472. [2023-11-06 23:00:54,490 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 23:00:54,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 669 transitions. [2023-11-06 23:00:54,493 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 669 transitions. Word has length 66 [2023-11-06 23:00:54,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:00:54,494 INFO L495 AbstractCegarLoop]: Abstraction has 472 states and 669 transitions. [2023-11-06 23:00:54,494 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 23:00:54,494 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 669 transitions. [2023-11-06 23:00:54,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-06 23:00:54,496 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:00:54,496 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 23:00:54,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-06 23:00:54,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:00:54,704 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 23:00:54,704 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:00:54,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1975731849, now seen corresponding path program 1 times [2023-11-06 23:00:54,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:00:54,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021032688] [2023-11-06 23:00:54,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:54,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:00:54,751 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:00:54,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [412551762] [2023-11-06 23:00:54,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:54,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:00:54,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:54,756 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:00:54,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 23:00:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:55,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 23:00:55,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:00:55,543 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 23:00:55,544 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:00:55,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:00:55,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021032688] [2023-11-06 23:00:55,544 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:00:55,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412551762] [2023-11-06 23:00:55,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412551762] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:00:55,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:00:55,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 23:00:55,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983022754] [2023-11-06 23:00:55,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:00:55,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:00:55,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:00:55,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:00:55,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:00:55,548 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 23:00:56,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:00:56,273 INFO L93 Difference]: Finished difference Result 958 states and 1362 transitions. [2023-11-06 23:00:56,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 23:00:56,274 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 23:00:56,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:00:56,278 INFO L225 Difference]: With dead ends: 958 [2023-11-06 23:00:56,278 INFO L226 Difference]: Without dead ends: 490 [2023-11-06 23:00:56,280 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 23:00:56,281 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 23:00:56,281 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 23:00:56,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2023-11-06 23:00:56,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 482. [2023-11-06 23:00:56,298 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 23:00:56,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 685 transitions. [2023-11-06 23:00:56,302 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 685 transitions. Word has length 67 [2023-11-06 23:00:56,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:00:56,302 INFO L495 AbstractCegarLoop]: Abstraction has 482 states and 685 transitions. [2023-11-06 23:00:56,303 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 23:00:56,303 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 685 transitions. [2023-11-06 23:00:56,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-06 23:00:56,304 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:00:56,305 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 23:00:56,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 23:00:56,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:00:56,513 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 23:00:56,513 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:00:56,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1313790664, now seen corresponding path program 1 times [2023-11-06 23:00:56,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:00:56,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814963276] [2023-11-06 23:00:56,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:56,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:00:56,541 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:00:56,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [60146321] [2023-11-06 23:00:56,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:56,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:00:56,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:56,544 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:00:56,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 23:00:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:57,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 23:00:57,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:00:57,765 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 23:00:57,765 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:00:57,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:00:57,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814963276] [2023-11-06 23:00:57,766 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:00:57,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60146321] [2023-11-06 23:00:57,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60146321] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:00:57,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:00:57,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 23:00:57,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596704281] [2023-11-06 23:00:57,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:00:57,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:00:57,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:00:57,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:00:57,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:00:57,769 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 23:00:58,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:00:58,204 INFO L93 Difference]: Finished difference Result 958 states and 1364 transitions. [2023-11-06 23:00:58,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:00:58,204 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 23:00:58,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:00:58,208 INFO L225 Difference]: With dead ends: 958 [2023-11-06 23:00:58,208 INFO L226 Difference]: Without dead ends: 480 [2023-11-06 23:00:58,210 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 23:00:58,210 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 23:00:58,211 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 23:00:58,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2023-11-06 23:00:58,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 479. [2023-11-06 23:00:58,225 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 23:00:58,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 680 transitions. [2023-11-06 23:00:58,229 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 680 transitions. Word has length 68 [2023-11-06 23:00:58,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:00:58,229 INFO L495 AbstractCegarLoop]: Abstraction has 479 states and 680 transitions. [2023-11-06 23:00:58,229 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 23:00:58,230 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 680 transitions. [2023-11-06 23:00:58,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-06 23:00:58,231 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:00:58,231 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 23:00:58,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 23:00:58,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:00:58,439 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 23:00:58,439 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:00:58,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1853062836, now seen corresponding path program 1 times [2023-11-06 23:00:58,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:00:58,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867069948] [2023-11-06 23:00:58,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:58,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:00:58,474 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:00:58,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [505875020] [2023-11-06 23:00:58,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:00:58,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:00:58,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:00:58,476 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:00:58,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 23:00:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:00:59,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-06 23:00:59,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:00:59,861 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 23:00:59,965 INFO L322 Elim1Store]: treesize reduction 51, result has 22.7 percent of original size [2023-11-06 23:00:59,966 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 23:01:00,399 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:01:00,400 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 23:01:00,572 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 23:01:00,573 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:01:00,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:00,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867069948] [2023-11-06 23:01:00,573 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:01:00,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505875020] [2023-11-06 23:01:00,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505875020] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:00,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:00,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-06 23:01:00,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70242268] [2023-11-06 23:01:00,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:00,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 23:01:00,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:00,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 23:01:00,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:01:00,576 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 23:01:03,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:03,040 INFO L93 Difference]: Finished difference Result 1335 states and 1911 transitions. [2023-11-06 23:01:03,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 23:01:03,041 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 23:01:03,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:03,049 INFO L225 Difference]: With dead ends: 1335 [2023-11-06 23:01:03,049 INFO L226 Difference]: Without dead ends: 860 [2023-11-06 23:01:03,051 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 23:01:03,053 INFO L413 NwaCegarLoop]: 612 mSDtfsCounter, 907 mSDsluCounter, 3631 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 914 SdHoareTripleChecker+Valid, 4243 SdHoareTripleChecker+Invalid, 1135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:03,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [914 Valid, 4243 Invalid, 1135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1123 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-06 23:01:03,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2023-11-06 23:01:03,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 517. [2023-11-06 23:01:03,083 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 23:01:03,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 723 transitions. [2023-11-06 23:01:03,087 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 723 transitions. Word has length 68 [2023-11-06 23:01:03,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:03,088 INFO L495 AbstractCegarLoop]: Abstraction has 517 states and 723 transitions. [2023-11-06 23:01:03,088 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 23:01:03,088 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 723 transitions. [2023-11-06 23:01:03,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-06 23:01:03,089 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:03,089 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 23:01:03,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:03,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:03,298 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 23:01:03,298 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:03,298 INFO L85 PathProgramCache]: Analyzing trace with hash 670454676, now seen corresponding path program 1 times [2023-11-06 23:01:03,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:03,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847251738] [2023-11-06 23:01:03,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:03,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:03,328 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:01:03,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1861018846] [2023-11-06 23:01:03,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:03,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:03,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:03,330 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:03,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 23:01:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:04,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-06 23:01:04,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:04,403 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 23:01:04,403 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:01:04,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:04,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847251738] [2023-11-06 23:01:04,404 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:01:04,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861018846] [2023-11-06 23:01:04,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861018846] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:04,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:04,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:01:04,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072703972] [2023-11-06 23:01:04,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:04,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:01:04,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:04,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:01:04,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:01:04,406 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 23:01:05,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:05,013 INFO L93 Difference]: Finished difference Result 529 states and 735 transitions. [2023-11-06 23:01:05,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 23:01:05,014 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 23:01:05,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:05,018 INFO L225 Difference]: With dead ends: 529 [2023-11-06 23:01:05,018 INFO L226 Difference]: Without dead ends: 527 [2023-11-06 23:01:05,018 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 23:01:05,019 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, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:05,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1077 Valid, 2993 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 23:01:05,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2023-11-06 23:01:05,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 527. [2023-11-06 23:01:05,040 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 23:01:05,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 733 transitions. [2023-11-06 23:01:05,043 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 733 transitions. Word has length 68 [2023-11-06 23:01:05,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:05,043 INFO L495 AbstractCegarLoop]: Abstraction has 527 states and 733 transitions. [2023-11-06 23:01:05,044 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 23:01:05,044 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 733 transitions. [2023-11-06 23:01:05,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-06 23:01:05,045 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:05,045 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 23:01:05,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:05,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:05,263 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 23:01:05,263 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:05,263 INFO L85 PathProgramCache]: Analyzing trace with hash -262435328, now seen corresponding path program 1 times [2023-11-06 23:01:05,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:05,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171183284] [2023-11-06 23:01:05,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:05,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:05,307 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:01:05,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1354495384] [2023-11-06 23:01:05,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:05,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:05,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:05,309 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:05,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 23:01:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:05,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 23:01:05,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:05,853 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 23:01:05,854 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:01:06,049 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 23:01:06,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:06,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171183284] [2023-11-06 23:01:06,049 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:01:06,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354495384] [2023-11-06 23:01:06,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354495384] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 23:01:06,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:01:06,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 9 [2023-11-06 23:01:06,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672790870] [2023-11-06 23:01:06,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:06,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:01:06,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:06,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:01:06,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-06 23:01:06,053 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 23:01:06,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:06,305 INFO L93 Difference]: Finished difference Result 2123 states and 3022 transitions. [2023-11-06 23:01:06,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:01:06,306 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 23:01:06,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:06,316 INFO L225 Difference]: With dead ends: 2123 [2023-11-06 23:01:06,316 INFO L226 Difference]: Without dead ends: 1638 [2023-11-06 23:01:06,318 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 23:01:06,319 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, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:06,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2427 Valid, 3365 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:01:06,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1638 states. [2023-11-06 23:01:06,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1638 to 1392. [2023-11-06 23:01:06,374 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 23:01:06,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1983 transitions. [2023-11-06 23:01:06,383 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1983 transitions. Word has length 83 [2023-11-06 23:01:06,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:06,383 INFO L495 AbstractCegarLoop]: Abstraction has 1392 states and 1983 transitions. [2023-11-06 23:01:06,384 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 23:01:06,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1983 transitions. [2023-11-06 23:01:06,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 23:01:06,385 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:06,385 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 23:01:06,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:06,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:06,592 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 23:01:06,593 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:06,593 INFO L85 PathProgramCache]: Analyzing trace with hash 2076242331, now seen corresponding path program 1 times [2023-11-06 23:01:06,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:06,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293240258] [2023-11-06 23:01:06,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:06,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:06,637 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:01:06,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1757836455] [2023-11-06 23:01:06,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:06,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:06,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:06,639 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:06,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 23:01:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:07,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:01:07,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:07,061 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 23:01:07,061 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:01:07,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:07,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293240258] [2023-11-06 23:01:07,062 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:01:07,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757836455] [2023-11-06 23:01:07,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757836455] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:07,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:07,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:01:07,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993036368] [2023-11-06 23:01:07,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:07,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:01:07,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:07,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:01:07,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:01:07,065 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 23:01:07,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:07,141 INFO L93 Difference]: Finished difference Result 2745 states and 3925 transitions. [2023-11-06 23:01:07,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:01:07,142 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 23:01:07,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:07,151 INFO L225 Difference]: With dead ends: 2745 [2023-11-06 23:01:07,151 INFO L226 Difference]: Without dead ends: 1395 [2023-11-06 23:01:07,154 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 23:01:07,155 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 23:01:07,155 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 23:01:07,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2023-11-06 23:01:07,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1395. [2023-11-06 23:01:07,213 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 23:01:07,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 1986 transitions. [2023-11-06 23:01:07,221 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 1986 transitions. Word has length 81 [2023-11-06 23:01:07,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:07,221 INFO L495 AbstractCegarLoop]: Abstraction has 1395 states and 1986 transitions. [2023-11-06 23:01:07,221 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 23:01:07,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1986 transitions. [2023-11-06 23:01:07,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 23:01:07,223 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:07,223 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 23:01:07,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:07,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 23:01:07,430 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 23:01:07,431 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:07,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1825697955, now seen corresponding path program 1 times [2023-11-06 23:01:07,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:07,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809137440] [2023-11-06 23:01:07,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:07,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:07,508 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:01:07,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1130246210] [2023-11-06 23:01:07,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:07,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:07,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:07,511 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:07,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 23:01:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:07,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 23:01:07,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:08,074 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 23:01:08,074 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:01:08,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:08,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809137440] [2023-11-06 23:01:08,075 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:01:08,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130246210] [2023-11-06 23:01:08,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130246210] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:08,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:08,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:01:08,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814613703] [2023-11-06 23:01:08,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:08,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:01:08,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:08,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:01:08,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:01:08,077 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 23:01:08,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:08,336 INFO L93 Difference]: Finished difference Result 3215 states and 4657 transitions. [2023-11-06 23:01:08,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:01:08,337 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 23:01:08,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:08,349 INFO L225 Difference]: With dead ends: 3215 [2023-11-06 23:01:08,349 INFO L226 Difference]: Without dead ends: 1862 [2023-11-06 23:01:08,352 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 23:01:08,353 INFO L413 NwaCegarLoop]: 828 mSDtfsCounter, 390 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 1395 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:08,354 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 23:01:08,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1862 states. [2023-11-06 23:01:08,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1862 to 1378. [2023-11-06 23:01:08,416 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 23:01:08,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 1997 transitions. [2023-11-06 23:01:08,423 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 1997 transitions. Word has length 81 [2023-11-06 23:01:08,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:08,423 INFO L495 AbstractCegarLoop]: Abstraction has 1378 states and 1997 transitions. [2023-11-06 23:01:08,423 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 23:01:08,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1997 transitions. [2023-11-06 23:01:08,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-06 23:01:08,425 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:08,425 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 23:01:08,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:08,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 23:01:08,632 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 23:01:08,632 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:08,632 INFO L85 PathProgramCache]: Analyzing trace with hash 931077370, now seen corresponding path program 1 times [2023-11-06 23:01:08,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:08,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096688851] [2023-11-06 23:01:08,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:08,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:08,681 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:01:08,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1522719520] [2023-11-06 23:01:08,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:08,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:08,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:08,683 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:08,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 23:01:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:09,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 23:01:09,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:09,392 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 23:01:09,392 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:01:09,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:09,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096688851] [2023-11-06 23:01:09,393 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:01:09,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522719520] [2023-11-06 23:01:09,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522719520] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:09,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:09,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:01:09,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929298146] [2023-11-06 23:01:09,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:09,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:01:09,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:09,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:01:09,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:01:09,396 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 23:01:09,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:09,585 INFO L93 Difference]: Finished difference Result 2561 states and 3725 transitions. [2023-11-06 23:01:09,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:01:09,585 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 23:01:09,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:09,593 INFO L225 Difference]: With dead ends: 2561 [2023-11-06 23:01:09,593 INFO L226 Difference]: Without dead ends: 1378 [2023-11-06 23:01:09,595 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 23:01:09,596 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 23:01:09,596 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 23:01:09,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1378 states. [2023-11-06 23:01:09,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1378 to 1378. [2023-11-06 23:01:09,648 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 23:01:09,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 1996 transitions. [2023-11-06 23:01:09,654 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 1996 transitions. Word has length 119 [2023-11-06 23:01:09,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:09,654 INFO L495 AbstractCegarLoop]: Abstraction has 1378 states and 1996 transitions. [2023-11-06 23:01:09,654 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 23:01:09,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1996 transitions. [2023-11-06 23:01:09,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-06 23:01:09,656 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:09,657 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 23:01:09,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:09,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-06 23:01:09,864 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 23:01:09,864 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:09,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1605107756, now seen corresponding path program 1 times [2023-11-06 23:01:09,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:09,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593106393] [2023-11-06 23:01:09,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:09,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:09,921 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:01:09,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1232716451] [2023-11-06 23:01:09,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:09,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:09,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:09,923 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:09,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 23:01:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:10,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 23:01:10,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:10,386 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 23:01:10,393 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 23:01:10,399 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 23:01:10,399 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:01:10,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:10,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593106393] [2023-11-06 23:01:10,400 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:01:10,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232716451] [2023-11-06 23:01:10,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232716451] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:10,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:10,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:01:10,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004288734] [2023-11-06 23:01:10,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:10,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:01:10,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:10,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:01:10,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:01:10,403 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 23:01:10,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:10,812 INFO L93 Difference]: Finished difference Result 1847 states and 2683 transitions. [2023-11-06 23:01:10,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:01:10,813 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 23:01:10,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:10,823 INFO L225 Difference]: With dead ends: 1847 [2023-11-06 23:01:10,823 INFO L226 Difference]: Without dead ends: 1740 [2023-11-06 23:01:10,824 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 23:01:10,825 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, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:10,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 1734 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 23:01:10,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2023-11-06 23:01:10,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1382. [2023-11-06 23:01:10,922 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 23:01:10,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 2000 transitions. [2023-11-06 23:01:10,926 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 2000 transitions. Word has length 124 [2023-11-06 23:01:10,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:10,926 INFO L495 AbstractCegarLoop]: Abstraction has 1382 states and 2000 transitions. [2023-11-06 23:01:10,926 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 23:01:10,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 2000 transitions. [2023-11-06 23:01:10,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-06 23:01:10,928 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:10,928 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 23:01:10,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:11,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-06 23:01:11,136 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 23:01:11,137 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:11,137 INFO L85 PathProgramCache]: Analyzing trace with hash -65911987, now seen corresponding path program 1 times [2023-11-06 23:01:11,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:11,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777265885] [2023-11-06 23:01:11,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:11,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:11,194 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:01:11,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1116817504] [2023-11-06 23:01:11,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:11,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:11,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:11,196 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:11,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 23:01:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:11,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-06 23:01:11,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:11,909 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 23:01:11,909 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:01:11,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:11,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777265885] [2023-11-06 23:01:11,910 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:01:11,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116817504] [2023-11-06 23:01:11,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116817504] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:11,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:11,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:01:11,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000669764] [2023-11-06 23:01:11,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:11,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:01:11,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:11,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:01:11,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:01:11,912 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 23:01:12,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:12,111 INFO L93 Difference]: Finished difference Result 2577 states and 3744 transitions. [2023-11-06 23:01:12,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 23:01:12,112 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 23:01:12,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:12,120 INFO L225 Difference]: With dead ends: 2577 [2023-11-06 23:01:12,120 INFO L226 Difference]: Without dead ends: 1387 [2023-11-06 23:01:12,122 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 23:01:12,123 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 23:01:12,123 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 23:01:12,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2023-11-06 23:01:12,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1387. [2023-11-06 23:01:12,179 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 23:01:12,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 2006 transitions. [2023-11-06 23:01:12,183 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 2006 transitions. Word has length 135 [2023-11-06 23:01:12,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:12,184 INFO L495 AbstractCegarLoop]: Abstraction has 1387 states and 2006 transitions. [2023-11-06 23:01:12,184 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 23:01:12,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 2006 transitions. [2023-11-06 23:01:12,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-06 23:01:12,186 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:12,186 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 23:01:12,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:12,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-06 23:01:12,395 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 23:01:12,396 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:12,396 INFO L85 PathProgramCache]: Analyzing trace with hash 157122231, now seen corresponding path program 1 times [2023-11-06 23:01:12,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:12,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805921143] [2023-11-06 23:01:12,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:12,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:12,455 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:01:12,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [34489348] [2023-11-06 23:01:12,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:12,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:12,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:12,457 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:12,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 23:01:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:13,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 169 conjunts are in the unsatisfiable core [2023-11-06 23:01:13,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:13,410 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 23:01:13,429 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-06 23:01:13,429 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 23:01:13,497 INFO L322 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-06 23:01:13,497 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 23:01:13,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:01:13,652 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 23:01:13,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:01:13,659 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 23:01:14,887 INFO L322 Elim1Store]: treesize reduction 28, result has 49.1 percent of original size [2023-11-06 23:01:14,888 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 23:01:15,002 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 23:01:15,007 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 23:01:15,184 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 23:01:15,967 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-06 23:01:15,967 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 23:01:15,984 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 23:01:16,170 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:16,171 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 23:01:16,205 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:16,206 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 23:01:16,252 INFO L322 Elim1Store]: treesize reduction 55, result has 8.3 percent of original size [2023-11-06 23:01:16,253 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 23:01:16,267 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 23:01:16,275 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 23:01:16,292 INFO L322 Elim1Store]: treesize reduction 27, result has 15.6 percent of original size [2023-11-06 23:01:16,292 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 23:01:16,316 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 23:01:16,342 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 23:01:16,342 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 23:01:16,385 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:16,386 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 23:01:16,418 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:16,420 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 23:01:16,457 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 23:01:16,458 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 23:01:16,509 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:16,510 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 23:01:16,551 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:16,552 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 23:01:16,606 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:16,607 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 23:01:16,658 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:16,659 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 23:01:16,693 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 23:01:16,693 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 23:01:16,779 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:16,780 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 23:01:16,808 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:16,810 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 23:01:16,838 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 23:01:16,839 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 23:01:16,874 INFO L322 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2023-11-06 23:01:16,875 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 23:01:16,923 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:16,928 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 23:01:16,971 INFO L322 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2023-11-06 23:01:16,972 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 23:01:17,002 INFO L322 Elim1Store]: treesize reduction 59, result has 1.7 percent of original size [2023-11-06 23:01:17,003 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 23:01:17,037 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:17,038 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 23:01:17,067 INFO L322 Elim1Store]: treesize reduction 219, result has 0.5 percent of original size [2023-11-06 23:01:17,068 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 23:01:17,351 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 23:01:17,357 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 23:01:17,395 INFO L322 Elim1Store]: treesize reduction 8, result has 80.5 percent of original size [2023-11-06 23:01:17,396 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 23:01:17,573 INFO L322 Elim1Store]: treesize reduction 334, result has 7.5 percent of original size [2023-11-06 23:01:17,573 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 23:01:17,630 INFO L322 Elim1Store]: treesize reduction 106, result has 4.5 percent of original size [2023-11-06 23:01:17,631 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 23:01:17,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:01:17,640 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 23:01:17,646 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 23:01:17,660 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 23:01:17,676 INFO L322 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2023-11-06 23:01:17,676 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 23:01:17,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:01:18,106 INFO L322 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2023-11-06 23:01:18,106 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 23:01:18,132 INFO L322 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2023-11-06 23:01:18,132 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 23:01:18,501 INFO L322 Elim1Store]: treesize reduction 194, result has 11.8 percent of original size [2023-11-06 23:01:18,502 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 23:01:18,547 INFO L322 Elim1Store]: treesize reduction 100, result has 16.0 percent of original size [2023-11-06 23:01:18,548 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 23:01:19,061 INFO L322 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2023-11-06 23:01:19,062 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 23:01:19,100 INFO L322 Elim1Store]: treesize reduction 56, result has 16.4 percent of original size [2023-11-06 23:01:19,101 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 23:01:19,117 INFO L322 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2023-11-06 23:01:19,117 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 23:01:19,128 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 23:01:19,136 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 23:01:19,141 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 23:01:19,237 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 23:01:19,237 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:01:19,388 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 23:01:19,526 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 23:01:19,551 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 23:01:19,609 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 23:01:19,649 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 23:01:19,859 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 23:01:19,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:19,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805921143] [2023-11-06 23:01:19,866 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:01:19,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34489348] [2023-11-06 23:01:19,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34489348] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:01:19,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:01:19,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2023-11-06 23:01:19,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952343040] [2023-11-06 23:01:19,867 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 23:01:19,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-11-06 23:01:19,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:19,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-11-06 23:01:19,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1087, Unknown=6, NotChecked=426, Total=1640 [2023-11-06 23:01:19,870 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 23:01:27,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:27,411 INFO L93 Difference]: Finished difference Result 3064 states and 4435 transitions. [2023-11-06 23:01:27,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-11-06 23:01:27,415 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 23:01:27,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:27,424 INFO L225 Difference]: With dead ends: 3064 [2023-11-06 23:01:27,425 INFO L226 Difference]: Without dead ends: 1873 [2023-11-06 23:01:27,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 137 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 1556 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=494, Invalid=5224, Unknown=6, NotChecked=918, Total=6642 [2023-11-06 23:01:27,430 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 2590 mSDsluCounter, 12076 mSDsCounter, 0 mSdLazyCounter, 3162 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s 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, 5.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:01:27,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2615 Valid, 12637 Invalid, 3314 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [152 Valid, 3162 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-11-06 23:01:27,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1873 states. [2023-11-06 23:01:27,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1873 to 1635. [2023-11-06 23:01:27,513 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 23:01:27,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 2345 transitions. [2023-11-06 23:01:27,518 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 2345 transitions. Word has length 137 [2023-11-06 23:01:27,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:27,519 INFO L495 AbstractCegarLoop]: Abstraction has 1635 states and 2345 transitions. [2023-11-06 23:01:27,519 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 23:01:27,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2345 transitions. [2023-11-06 23:01:27,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-06 23:01:27,521 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:27,522 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 23:01:27,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:27,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-06 23:01:27,735 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 23:01:27,736 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:27,736 INFO L85 PathProgramCache]: Analyzing trace with hash 858722105, now seen corresponding path program 1 times [2023-11-06 23:01:27,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:27,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082774992] [2023-11-06 23:01:27,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:27,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:27,799 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:01:27,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [623399241] [2023-11-06 23:01:27,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:27,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:27,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:27,801 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:27,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-06 23:01:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:01:28,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 23:01:28,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:28,556 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 23:01:28,556 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:01:28,712 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 23:01:28,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:28,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082774992] [2023-11-06 23:01:28,713 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:01:28,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623399241] [2023-11-06 23:01:28,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623399241] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:01:28,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:01:28,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2023-11-06 23:01:28,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869434708] [2023-11-06 23:01:28,714 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:01:28,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 23:01:28,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:28,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 23:01:28,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-06 23:01:28,716 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 23:01:29,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:01:29,077 INFO L93 Difference]: Finished difference Result 3082 states and 4439 transitions. [2023-11-06 23:01:29,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 23:01:29,078 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 23:01:29,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:01:29,088 INFO L225 Difference]: With dead ends: 3082 [2023-11-06 23:01:29,088 INFO L226 Difference]: Without dead ends: 1641 [2023-11-06 23:01:29,091 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 23:01:29,092 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 23:01:29,093 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 23:01:29,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2023-11-06 23:01:29,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1400. [2023-11-06 23:01:29,165 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 23:01:29,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 2024 transitions. [2023-11-06 23:01:29,168 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 2024 transitions. Word has length 137 [2023-11-06 23:01:29,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:01:29,169 INFO L495 AbstractCegarLoop]: Abstraction has 1400 states and 2024 transitions. [2023-11-06 23:01:29,169 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 23:01:29,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 2024 transitions. [2023-11-06 23:01:29,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-06 23:01:29,171 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:01:29,171 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 23:01:29,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-06 23:01:29,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-06 23:01:29,381 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 23:01:29,381 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:01:29,381 INFO L85 PathProgramCache]: Analyzing trace with hash 679562925, now seen corresponding path program 2 times [2023-11-06 23:01:29,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:01:29,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649490906] [2023-11-06 23:01:29,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:01:29,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:01:29,458 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:01:29,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [662046694] [2023-11-06 23:01:29,459 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 23:01:29,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:01:29,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:01:29,460 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:01:29,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-06 23:01:30,671 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 23:01:30,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:01:30,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-06 23:01:30,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:01:50,292 WARN L293 SmtUtils]: Spent 6.28s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 23:01:50,320 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 23:01:50,320 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:01:50,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:01:50,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649490906] [2023-11-06 23:01:50,321 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:01:50,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662046694] [2023-11-06 23:01:50,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662046694] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:01:50,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:01:50,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 23:01:50,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678395113] [2023-11-06 23:01:50,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:01:50,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:01:50,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:01:50,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:01:50,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=30, Unknown=1, NotChecked=0, Total=42 [2023-11-06 23:01:50,324 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 23:01:52,794 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 23:01:54,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:01:56,964 WARN L539 Checker$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 23:01:58,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:02:01,003 WARN L539 Checker$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 23:02:03,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:02:05,129 WARN L539 Checker$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 23:02:07,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:02:09,140 WARN L539 Checker$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 23:02:12,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:02:13,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:02:14,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:14,198 INFO L93 Difference]: Finished difference Result 2673 states and 3877 transitions. [2023-11-06 23:02:14,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:02:14,199 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 23:02:14,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:14,207 INFO L225 Difference]: With dead ends: 2673 [2023-11-06 23:02:14,207 INFO L226 Difference]: Without dead ends: 1418 [2023-11-06 23:02:14,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=15, Invalid=40, Unknown=1, NotChecked=0, Total=56 [2023-11-06 23:02:14,210 INFO L413 NwaCegarLoop]: 596 mSDtfsCounter, 17 mSDsluCounter, 2433 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3029 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:14,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3029 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 652 Invalid, 10 Unknown, 0 Unchecked, 23.8s Time] [2023-11-06 23:02:14,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1418 states. [2023-11-06 23:02:14,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1418 to 1412. [2023-11-06 23:02:14,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1412 states, 1368 states have (on average 1.4488304093567252) internal successors, (1982), 1375 states have internal predecessors, (1982), 28 states have call successors, (28), 11 states have call predecessors, (28), 12 states have return successors, (29), 25 states have call predecessors, (29), 28 states have call successors, (29) [2023-11-06 23:02:14,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1412 states and 2039 transitions. [2023-11-06 23:02:14,287 INFO L78 Accepts]: Start accepts. Automaton has 1412 states and 2039 transitions. Word has length 141 [2023-11-06 23:02:14,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:14,288 INFO L495 AbstractCegarLoop]: Abstraction has 1412 states and 2039 transitions. [2023-11-06 23:02:14,294 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 23:02:14,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 2039 transitions. [2023-11-06 23:02:14,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-06 23:02:14,296 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:14,297 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 23:02:14,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-06 23:02:14,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-06 23:02:14,507 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 23:02:14,507 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:14,507 INFO L85 PathProgramCache]: Analyzing trace with hash 26530575, now seen corresponding path program 1 times [2023-11-06 23:02:14,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:14,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568106083] [2023-11-06 23:02:14,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:14,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:14,577 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:02:14,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [860838441] [2023-11-06 23:02:14,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:14,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:14,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:14,579 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:02:14,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-06 23:02:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:15,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:02:15,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:02:15,304 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 23:02:15,305 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:02:15,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:15,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568106083] [2023-11-06 23:02:15,305 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:02:15,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860838441] [2023-11-06 23:02:15,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860838441] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:15,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:15,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:02:15,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809925407] [2023-11-06 23:02:15,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:15,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:02:15,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:15,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:02:15,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:02:15,309 INFO L87 Difference]: Start difference. First operand 1412 states and 2039 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 23:02:15,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:15,509 INFO L93 Difference]: Finished difference Result 2901 states and 4247 transitions. [2023-11-06 23:02:15,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:02:15,510 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 23:02:15,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:15,521 INFO L225 Difference]: With dead ends: 2901 [2023-11-06 23:02:15,521 INFO L226 Difference]: Without dead ends: 1608 [2023-11-06 23:02:15,523 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 23:02:15,524 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 141 mSDsluCounter, 1761 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 2359 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:15,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 2359 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:02:15,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2023-11-06 23:02:15,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1401. [2023-11-06 23:02:15,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1401 states, 1357 states have (on average 1.445099484156227) internal successors, (1961), 1364 states have internal predecessors, (1961), 28 states have call successors, (28), 11 states have call predecessors, (28), 12 states have return successors, (29), 25 states have call predecessors, (29), 28 states have call successors, (29) [2023-11-06 23:02:15,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1401 states and 2018 transitions. [2023-11-06 23:02:15,611 INFO L78 Accepts]: Start accepts. Automaton has 1401 states and 2018 transitions. Word has length 141 [2023-11-06 23:02:15,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:15,612 INFO L495 AbstractCegarLoop]: Abstraction has 1401 states and 2018 transitions. [2023-11-06 23:02:15,612 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 23:02:15,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 2018 transitions. [2023-11-06 23:02:15,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-06 23:02:15,615 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:15,615 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 23:02:15,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-06 23:02:15,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:15,825 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 23:02:15,826 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:15,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1912769878, now seen corresponding path program 1 times [2023-11-06 23:02:15,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:15,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969359909] [2023-11-06 23:02:15,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:15,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:15,892 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:02:15,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1497184686] [2023-11-06 23:02:15,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:15,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:15,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:15,894 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:02:15,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-06 23:02:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:16,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-06 23:02:16,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:02:16,754 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 23:02:16,755 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:02:17,059 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 23:02:17,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:17,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969359909] [2023-11-06 23:02:17,060 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:02:17,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497184686] [2023-11-06 23:02:17,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497184686] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:02:17,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:02:17,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8] total 19 [2023-11-06 23:02:17,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199502102] [2023-11-06 23:02:17,061 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:02:17,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-06 23:02:17,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:17,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-06 23:02:17,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2023-11-06 23:02:17,063 INFO L87 Difference]: Start difference. First operand 1401 states and 2018 transitions. Second operand has 19 states, 19 states have (on average 7.421052631578948) internal successors, (141), 19 states have internal predecessors, (141), 3 states have call successors, (13), 2 states have call predecessors, (13), 6 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-06 23:02:18,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:18,240 INFO L93 Difference]: Finished difference Result 2538 states and 3659 transitions. [2023-11-06 23:02:18,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-06 23:02:18,241 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 23:02:18,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:18,247 INFO L225 Difference]: With dead ends: 2538 [2023-11-06 23:02:18,248 INFO L226 Difference]: Without dead ends: 1182 [2023-11-06 23:02:18,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=275, Invalid=915, Unknown=0, NotChecked=0, Total=1190 [2023-11-06 23:02:18,251 INFO L413 NwaCegarLoop]: 521 mSDtfsCounter, 124 mSDsluCounter, 5580 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 6101 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:18,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 6101 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 23:02:18,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2023-11-06 23:02:18,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1176. [2023-11-06 23:02:18,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 1132 states have (on average 1.4275618374558303) internal successors, (1616), 1139 states have internal predecessors, (1616), 28 states have call successors, (28), 11 states have call predecessors, (28), 12 states have return successors, (29), 25 states have call predecessors, (29), 28 states have call successors, (29) [2023-11-06 23:02:18,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1673 transitions. [2023-11-06 23:02:18,322 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1673 transitions. Word has length 142 [2023-11-06 23:02:18,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:18,323 INFO L495 AbstractCegarLoop]: Abstraction has 1176 states and 1673 transitions. [2023-11-06 23:02:18,323 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 23:02:18,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1673 transitions. [2023-11-06 23:02:18,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-06 23:02:18,325 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:18,325 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 23:02:18,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-06 23:02:18,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:18,534 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 23:02:18,535 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:18,535 INFO L85 PathProgramCache]: Analyzing trace with hash -953698123, now seen corresponding path program 2 times [2023-11-06 23:02:18,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:18,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041436976] [2023-11-06 23:02:18,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:18,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:18,602 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:02:18,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [904885255] [2023-11-06 23:02:18,603 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 23:02:18,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:18,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:18,604 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:02:18,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-06 23:02:19,228 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 23:02:19,229 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:02:19,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 23:02:19,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:02:19,428 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 23:02:19,428 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:02:19,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:02:19,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041436976] [2023-11-06 23:02:19,429 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:02:19,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904885255] [2023-11-06 23:02:19,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904885255] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:02:19,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:02:19,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 23:02:19,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297530987] [2023-11-06 23:02:19,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:02:19,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:02:19,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:02:19,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:02:19,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:02:19,433 INFO L87 Difference]: Start difference. First operand 1176 states and 1673 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-06 23:02:19,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:02:19,854 INFO L93 Difference]: Finished difference Result 2312 states and 3306 transitions. [2023-11-06 23:02:19,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:02:19,855 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 23:02:19,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:02:19,862 INFO L225 Difference]: With dead ends: 2312 [2023-11-06 23:02:19,862 INFO L226 Difference]: Without dead ends: 1194 [2023-11-06 23:02:19,864 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 23:02:19,865 INFO L413 NwaCegarLoop]: 533 mSDtfsCounter, 15 mSDsluCounter, 2354 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2887 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 23:02:19,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2887 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 23:02:19,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2023-11-06 23:02:19,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1176. [2023-11-06 23:02:19,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 1132 states have (on average 1.4275618374558303) internal successors, (1616), 1139 states have internal predecessors, (1616), 28 states have call successors, (28), 11 states have call predecessors, (28), 12 states have return successors, (29), 25 states have call predecessors, (29), 28 states have call successors, (29) [2023-11-06 23:02:19,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1673 transitions. [2023-11-06 23:02:19,936 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1673 transitions. Word has length 151 [2023-11-06 23:02:19,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:02:19,937 INFO L495 AbstractCegarLoop]: Abstraction has 1176 states and 1673 transitions. [2023-11-06 23:02:19,937 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 23:02:19,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1673 transitions. [2023-11-06 23:02:19,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 23:02:19,939 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:02:19,940 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 23:02:19,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-11-06 23:02:20,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-06 23:02:20,148 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 23:02:20,148 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:02:20,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1518697027, now seen corresponding path program 1 times [2023-11-06 23:02:20,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:02:20,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081758846] [2023-11-06 23:02:20,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:20,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:02:20,211 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:02:20,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [9076845] [2023-11-06 23:02:20,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:02:20,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:02:20,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:02:20,212 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:02:20,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-06 23:02:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:02:21,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 197 conjunts are in the unsatisfiable core [2023-11-06 23:02:21,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:02:21,728 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 23:02:21,751 INFO L322 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-06 23:02:21,751 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 23:02:21,814 INFO L322 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-06 23:02:21,814 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 23:02:21,954 INFO L322 Elim1Store]: treesize reduction 51, result has 22.7 percent of original size [2023-11-06 23:02:21,955 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 23:02:21,963 INFO L322 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-06 23:02:21,963 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 23:02:22,752 INFO L322 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2023-11-06 23:02:22,752 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 23:02:22,808 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 23:02:22,942 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 23:02:23,753 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-06 23:02:23,754 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 23:02:24,597 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 23:02:24,600 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 23:02:24,836 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 23:02:24,838 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 23:02:24,939 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 23:02:24,940 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 23:02:25,127 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:25,129 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 23:02:25,218 INFO L322 Elim1Store]: treesize reduction 100, result has 4.8 percent of original size [2023-11-06 23:02:25,219 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 23:02:25,306 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 23:02:25,328 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 23:02:25,337 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 23:02:25,355 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 23:02:25,378 INFO L322 Elim1Store]: treesize reduction 68, result has 1.4 percent of original size [2023-11-06 23:02:25,379 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 23:02:25,500 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:25,501 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 23:02:25,736 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 23:02:25,739 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 23:02:25,987 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 23:02:25,989 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 23:02:26,087 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 23:02:26,088 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 23:02:26,177 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:26,178 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 23:02:26,303 INFO L322 Elim1Store]: treesize reduction 100, result has 4.8 percent of original size [2023-11-06 23:02:26,304 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 23:02:26,403 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 23:02:26,411 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 23:02:26,426 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 23:02:26,449 INFO L322 Elim1Store]: treesize reduction 68, result has 1.4 percent of original size [2023-11-06 23:02:26,449 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 23:02:26,484 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 23:02:26,599 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:26,601 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 23:02:26,739 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:26,741 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 23:02:26,849 INFO L322 Elim1Store]: treesize reduction 100, result has 4.8 percent of original size [2023-11-06 23:02:26,851 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 23:02:27,008 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 23:02:27,017 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 23:02:27,026 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 23:02:27,059 INFO L322 Elim1Store]: treesize reduction 68, result has 1.4 percent of original size [2023-11-06 23:02:27,060 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 23:02:27,101 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 23:02:27,203 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:27,205 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 23:02:27,487 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 23:02:27,490 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 23:02:27,578 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 23:02:27,580 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 23:02:27,831 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 23:02:27,869 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 23:02:27,986 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:27,988 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 23:02:28,082 INFO L322 Elim1Store]: treesize reduction 100, result has 4.8 percent of original size [2023-11-06 23:02:28,083 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 23:02:28,366 INFO L322 Elim1Store]: treesize reduction 347, result has 18.9 percent of original size [2023-11-06 23:02:28,366 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 23:02:28,408 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 23:02:28,423 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 23:02:28,434 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 23:02:30,769 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 23:02:30,861 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:30,863 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 23:02:31,685 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 23:02:31,688 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 23:02:31,776 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 23:02:31,777 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 23:02:32,011 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 23:02:32,014 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 23:02:32,195 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 23:02:32,198 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 23:02:32,301 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 23:02:32,302 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 23:02:32,546 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 23:02:32,549 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 23:02:32,694 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:32,696 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 23:02:32,750 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:32,751 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 23:02:32,825 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:32,827 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 23:02:32,942 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:32,944 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 23:02:33,043 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:33,045 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 35501 treesize of output 30383 [2023-11-06 23:02:33,122 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:33,123 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 23:02:33,279 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:33,281 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 23:02:33,356 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:33,356 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 23:02:33,443 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:33,445 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 23:02:33,694 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 23:02:33,697 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 23:02:33,774 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 23:02:33,775 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 23:02:34,028 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 23:02:34,031 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 23:02:34,089 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:34,090 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 23:02:34,175 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:34,176 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 23:02:34,344 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:34,346 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 23:02:34,448 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 23:02:34,449 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 23:02:34,627 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 23:02:34,630 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 23:02:34,803 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 23:02:34,805 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 23:02:34,902 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:34,903 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 23:02:34,962 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:34,962 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 23:02:35,048 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:35,049 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 23:02:35,152 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:35,154 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 23:02:35,203 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:35,204 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 23:02:35,322 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:35,324 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 23:02:35,415 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 23:02:35,417 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 23:02:35,578 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 23:02:35,581 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 23:02:35,754 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 23:02:35,757 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 23:02:35,834 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 23:02:35,836 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 23:02:36,022 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 23:02:36,025 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 23:02:36,251 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 23:02:36,254 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 23:02:36,364 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:36,366 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 23:02:36,471 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:36,473 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 23:02:36,557 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:36,558 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 23:02:36,663 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:36,665 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 23:02:36,722 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:36,723 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 23:02:36,802 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:36,804 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 23:02:36,992 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 23:02:36,994 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 23:02:37,059 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 23:02:37,060 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 23:02:37,338 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 23:02:37,342 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 23:02:37,600 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 23:02:37,604 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 23:02:37,779 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 23:02:37,780 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 23:02:37,996 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 23:02:37,999 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 23:02:38,123 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:38,125 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 23:02:38,194 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:38,195 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 23:02:38,298 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:38,300 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 12 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 15 new quantified variables, introduced 21 case distinctions, treesize of input 36091 treesize of output 30863 [2023-11-06 23:02:38,420 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:38,422 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 23:02:38,526 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:38,527 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 23:02:38,632 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:38,634 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 21456 treesize of output 18459 [2023-11-06 23:02:38,938 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 23:02:38,941 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 23:02:39,144 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 23:02:39,147 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 23:02:39,214 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 23:02:39,215 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 23:02:39,334 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:39,336 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 23:02:39,385 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:39,386 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 23:02:39,471 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:39,473 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 23:02:39,584 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:39,586 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 23:02:39,628 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:39,629 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 23:02:39,716 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:39,717 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 23:02:39,821 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:39,823 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 23:02:39,943 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:39,944 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 23:02:39,992 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:39,993 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 23:02:40,148 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 23:02:40,151 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 23:02:40,221 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 23:02:40,222 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 23:02:40,386 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 23:02:40,389 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 23:02:40,499 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:40,501 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 23:02:40,542 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:40,542 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 23:02:40,606 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:40,607 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 23:02:40,767 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 23:02:40,770 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 23:02:40,925 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 23:02:40,927 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 23:02:40,993 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 23:02:40,995 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 23:02:41,123 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:41,125 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 23:02:41,219 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:41,221 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 23:02:41,334 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:41,335 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 23:02:41,418 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 23:02:41,420 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 23:02:41,611 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 23:02:41,614 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 23:02:41,831 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 23:02:41,833 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 23:02:41,969 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:41,971 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 23:02:42,022 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:42,023 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 23:02:42,099 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:42,101 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 23:02:42,908 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 23:02:42,909 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 23:02:43,073 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 23:02:43,076 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 23:02:43,224 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 23:02:43,227 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 23:02:43,324 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:43,325 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 23:02:43,379 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:43,379 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 23:02:43,460 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:43,462 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 23:02:43,572 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:43,574 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 23:02:43,623 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:43,624 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 23:02:43,709 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:43,710 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 23:02:43,814 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 23:02:43,816 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 23:02:44,033 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 23:02:44,036 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 23:02:44,223 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 23:02:44,225 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 23:02:44,306 INFO L322 Elim1Store]: treesize reduction 502, result has 0.2 percent of original size [2023-11-06 23:02:44,308 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 33767 treesize of output 29304 [2023-11-06 23:02:44,523 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 23:02:44,526 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 23:02:44,760 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 23:02:44,763 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 23:02:44,868 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:44,870 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 23:02:44,970 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:44,971 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 23:02:45,014 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:45,016 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 23:02:45,104 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:45,106 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 23:02:45,168 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:45,168 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 23:02:45,275 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:45,277 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 23:02:46,076 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 23:02:46,079 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 23:02:46,144 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 23:02:46,145 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 23:02:46,318 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 23:02:46,320 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 23:02:46,557 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 23:02:46,560 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 23:02:46,639 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 23:02:46,640 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 23:02:46,816 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 23:02:46,819 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 23:02:46,948 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:46,949 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 23:02:46,996 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:46,997 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 23:02:47,069 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:47,071 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 23:02:47,222 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:47,224 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 23:02:47,314 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:47,316 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 23:02:47,379 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:47,379 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 23:02:47,480 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:47,482 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 23:02:47,570 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:47,571 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 23:02:47,668 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:47,670 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 23:02:47,901 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 23:02:47,903 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 23:02:48,070 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 23:02:48,071 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 23:02:48,321 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 23:02:48,325 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 23:02:48,399 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:48,399 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 23:02:48,484 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:48,485 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 23:02:48,621 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:48,623 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 23:02:48,730 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:48,731 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 23:02:48,807 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:48,808 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 23:02:48,898 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:48,900 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 23:02:49,116 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 23:02:49,118 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 23:02:49,178 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 23:02:49,180 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 23:02:49,351 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 23:02:49,354 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 23:02:49,467 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:49,469 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 23:02:49,529 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:49,529 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 23:02:49,624 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:49,626 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 23:02:49,782 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:49,784 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 23:02:49,899 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:49,900 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 23:02:50,056 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:50,057 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 23:02:50,186 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:50,188 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 23:02:50,249 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:50,250 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 36025 treesize of output 1 [2023-11-06 23:02:50,329 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:50,331 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 23:02:50,538 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 23:02:50,541 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 23:02:50,618 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 23:02:50,619 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 23:02:50,820 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 23:02:50,823 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 23:02:51,023 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 23:02:51,026 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 23:02:51,091 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 23:02:51,092 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 23:02:51,272 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 23:02:51,276 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 23:02:51,462 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 23:02:51,465 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 23:02:51,528 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 23:02:51,530 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 23:02:51,701 INFO L322 Elim1Store]: treesize reduction 1752, result has 0.1 percent of original size [2023-11-06 23:02:51,704 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 23:02:51,905 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 23:02:51,908 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 23:02:51,988 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 23:02:51,989 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 23:02:52,160 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 23:02:52,162 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 23:02:52,266 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:52,268 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 24882 treesize of output 21509 [2023-11-06 23:02:52,321 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:52,322 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 23:02:52,391 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:52,393 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 23:02:52,480 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:52,481 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 23:02:52,522 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:52,522 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 23:02:52,606 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:52,607 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 14 new quantified variables, introduced 19 case distinctions, treesize of input 21456 treesize of output 18459 [2023-11-06 23:02:52,790 INFO L322 Elim1Store]: treesize reduction 1922, result has 0.1 percent of original size [2023-11-06 23:02:52,793 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 23:02:53,010 INFO L322 Elim1Store]: treesize reduction 2316, result has 0.0 percent of original size [2023-11-06 23:02:53,013 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 267320 treesize of output 201111 [2023-11-06 23:02:53,166 INFO L322 Elim1Store]: treesize reduction 582, result has 0.2 percent of original size [2023-11-06 23:02:53,167 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 23:02:53,305 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:53,306 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 23:02:53,412 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:53,413 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 23:02:53,519 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:53,521 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 23:02:53,658 INFO L322 Elim1Store]: treesize reduction 823, result has 0.1 percent of original size [2023-11-06 23:02:53,660 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 23:02:53,736 INFO L322 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2023-11-06 23:02:53,737 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 36239 treesize of output 1 [2023-11-06 23:02:53,831 INFO L322 Elim1Store]: treesize reduction 903, result has 0.1 percent of original size [2023-11-06 23:02:53,833 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 23:02:54,201 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 23:02:54,229 INFO L322 Elim1Store]: treesize reduction 12, result has 58.6 percent of original size [2023-11-06 23:02:54,230 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 23:02:54,245 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 23:02:54,331 INFO L322 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2023-11-06 23:02:54,331 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 23:02:54,348 INFO L322 Elim1Store]: treesize reduction 37, result has 2.6 percent of original size [2023-11-06 23:02:54,348 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 23:02:54,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:02:54,411 INFO L322 Elim1Store]: treesize reduction 334, result has 7.5 percent of original size [2023-11-06 23:02:54,412 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 23:02:54,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:02:54,422 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 23:02:56,219 INFO L322 Elim1Store]: treesize reduction 900, result has 10.5 percent of original size [2023-11-06 23:02:56,219 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 23:02:56,452 INFO L322 Elim1Store]: treesize reduction 656, result has 6.7 percent of original size [2023-11-06 23:02:56,452 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 23:02:56,464 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 23:02:56,533 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 23:02:57,359 INFO L322 Elim1Store]: treesize reduction 570, result has 8.7 percent of original size [2023-11-06 23:02:57,359 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 23:02:57,491 INFO L322 Elim1Store]: treesize reduction 460, result has 9.3 percent of original size [2023-11-06 23:02:57,491 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 23:02:58,604 INFO L322 Elim1Store]: treesize reduction 360, result has 11.5 percent of original size [2023-11-06 23:02:58,605 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 23:02:58,671 INFO L322 Elim1Store]: treesize reduction 56, result has 16.4 percent of original size [2023-11-06 23:02:58,672 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 23:02:58,696 INFO L322 Elim1Store]: treesize reduction 118, result has 0.8 percent of original size [2023-11-06 23:02:58,696 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 23:02:58,773 INFO L322 Elim1Store]: treesize reduction 144, result has 16.8 percent of original size [2023-11-06 23:02:58,774 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 23:02:58,793 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 23:02:58,895 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 23:02:58,896 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:03:15,921 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse6 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse7 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse6))) (let ((.cse8 (select |c_#memory_$Pointer$.base| .cse7)) (.cse10 (select |c_#memory_$Pointer$.offset| .cse7)) (.cse9 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse6) 12))) (and (forall ((v_ArrVal_5409 Int) (v_ArrVal_5418 Int) (v_ArrVal_5415 (Array Int Int)) (v_ArrVal_5410 Int)) (= (let ((.cse0 (store |c_#memory_$Pointer$.offset| .cse7 (store .cse10 .cse9 v_ArrVal_5410))) (.cse3 (store |c_#memory_$Pointer$.base| .cse7 (store .cse8 .cse9 v_ArrVal_5409)))) (let ((.cse4 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) .cse6)) (.cse5 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse6))) (let ((.cse2 (select (select .cse0 .cse4) .cse5))) (select (let ((.cse1 (select (select .cse3 .cse4) .cse5))) (select (store (store .cse0 .cse1 (store (select .cse0 .cse1) (+ .cse2 4) v_ArrVal_5418)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5415) .cse1)) .cse2)))) 0)) (forall ((v_ArrVal_5409 Int) (v_ArrVal_5413 Int) (v_ArrVal_5410 Int) (v_ArrVal_5416 (Array Int Int))) (= (let ((.cse16 (store |c_#memory_$Pointer$.offset| .cse7 (store .cse10 .cse9 v_ArrVal_5410))) (.cse11 (store |c_#memory_$Pointer$.base| .cse7 (store .cse8 .cse9 v_ArrVal_5409)))) (let ((.cse14 (select (select .cse11 |c_ULTIMATE.start_main_~user~0#1.base|) .cse6)) (.cse15 (select (select .cse16 |c_ULTIMATE.start_main_~user~0#1.base|) .cse6))) (let ((.cse13 (select (select .cse16 .cse14) .cse15))) (select (let ((.cse12 (select (select .cse11 .cse14) .cse15))) (select (store (store .cse11 .cse12 (store (select .cse11 .cse12) (+ .cse13 4) v_ArrVal_5413)) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_5416) .cse12)) .cse13)))) 0)))))) is different from false [2023-11-06 23:03:26,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:26,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081758846] [2023-11-06 23:03:26,701 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:03:26,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9076845] [2023-11-06 23:03:26,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9076845] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:03:26,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:03:26,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2023-11-06 23:03:26,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000294517] [2023-11-06 23:03:26,702 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 23:03:26,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-11-06 23:03:26,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:26,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-11-06 23:03:26,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1773, Unknown=58, NotChecked=86, Total=2070 [2023-11-06 23:03:26,704 INFO L87 Difference]: Start difference. First operand 1176 states and 1673 transitions. Second operand has 40 states, 37 states have (on average 3.5135135135135136) internal successors, (130), 31 states have internal predecessors, (130), 6 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2023-11-06 23:03:46,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:46,383 INFO L93 Difference]: Finished difference Result 2666 states and 3797 transitions. [2023-11-06 23:03:46,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-11-06 23:03:46,384 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 23:03:46,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:46,393 INFO L225 Difference]: With dead ends: 2666 [2023-11-06 23:03:46,394 INFO L226 Difference]: Without dead ends: 1608 [2023-11-06 23:03:46,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 147 SyntacticMatches, 1 SemanticMatches, 91 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2355 ImplicationChecksByTransitivity, 35.6s TimeCoverageRelationStatistics Valid=589, Invalid=7726, Unknown=61, NotChecked=180, Total=8556 [2023-11-06 23:03:46,399 INFO L413 NwaCegarLoop]: 492 mSDtfsCounter, 1386 mSDsluCounter, 10681 mSDsCounter, 0 mSdLazyCounter, 3667 mSolverCounterSat, 106 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1407 SdHoareTripleChecker+Valid, 11173 SdHoareTripleChecker+Invalid, 3778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 3667 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:46,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1407 Valid, 11173 Invalid, 3778 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [106 Valid, 3667 Invalid, 5 Unknown, 0 Unchecked, 12.5s Time] [2023-11-06 23:03:46,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2023-11-06 23:03:46,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1363. [2023-11-06 23:03:46,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1363 states, 1305 states have (on average 1.4076628352490421) internal successors, (1837), 1314 states have internal predecessors, (1837), 36 states have call successors, (36), 15 states have call predecessors, (36), 18 states have return successors, (41), 33 states have call predecessors, (41), 36 states have call successors, (41) [2023-11-06 23:03:46,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 1914 transitions. [2023-11-06 23:03:46,489 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 1914 transitions. Word has length 152 [2023-11-06 23:03:46,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:46,489 INFO L495 AbstractCegarLoop]: Abstraction has 1363 states and 1914 transitions. [2023-11-06 23:03:46,490 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 23:03:46,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1914 transitions. [2023-11-06 23:03:46,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 23:03:46,491 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:46,491 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 23:03:46,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:46,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:46,705 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 23:03:46,706 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:46,706 INFO L85 PathProgramCache]: Analyzing trace with hash -817097153, now seen corresponding path program 1 times [2023-11-06 23:03:46,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:46,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755214494] [2023-11-06 23:03:46,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:46,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:46,771 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:03:46,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1651687137] [2023-11-06 23:03:46,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:46,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:46,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:46,772 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:46,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-06 23:03:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:48,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-06 23:03:48,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:48,891 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 23:03:48,891 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:03:49,367 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 23:03:49,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:49,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755214494] [2023-11-06 23:03:49,368 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:03:49,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651687137] [2023-11-06 23:03:49,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651687137] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:03:49,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:03:49,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9] total 24 [2023-11-06 23:03:49,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846744245] [2023-11-06 23:03:49,369 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:03:49,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-06 23:03:49,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:49,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-06 23:03:49,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=437, Unknown=0, NotChecked=0, Total=552 [2023-11-06 23:03:49,371 INFO L87 Difference]: Start difference. First operand 1363 states and 1914 transitions. Second operand has 24 states, 24 states have (on average 6.208333333333333) internal successors, (149), 24 states have internal predecessors, (149), 3 states have call successors, (11), 2 states have call predecessors, (11), 7 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-06 23:03:52,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:52,184 INFO L93 Difference]: Finished difference Result 2641 states and 3739 transitions. [2023-11-06 23:03:52,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-06 23:03:52,185 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 23:03:52,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:52,193 INFO L225 Difference]: With dead ends: 2641 [2023-11-06 23:03:52,193 INFO L226 Difference]: Without dead ends: 1387 [2023-11-06 23:03:52,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 534 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=498, Invalid=2154, Unknown=0, NotChecked=0, Total=2652 [2023-11-06 23:03:52,196 INFO L413 NwaCegarLoop]: 535 mSDtfsCounter, 34 mSDsluCounter, 6852 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 7387 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 23:03:52,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 7387 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 23:03:52,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2023-11-06 23:03:52,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1169. [2023-11-06 23:03:52,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 1127 states have (on average 1.4285714285714286) internal successors, (1610), 1133 states have internal predecessors, (1610), 27 states have call successors, (27), 11 states have call predecessors, (27), 11 states have return successors, (28), 24 states have call predecessors, (28), 27 states have call successors, (28) [2023-11-06 23:03:52,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1665 transitions. [2023-11-06 23:03:52,273 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1665 transitions. Word has length 152 [2023-11-06 23:03:52,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:52,274 INFO L495 AbstractCegarLoop]: Abstraction has 1169 states and 1665 transitions. [2023-11-06 23:03:52,274 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 23:03:52,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1665 transitions. [2023-11-06 23:03:52,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-06 23:03:52,275 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:52,276 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 23:03:52,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-11-06 23:03:52,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:52,489 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 23:03:52,489 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:52,489 INFO L85 PathProgramCache]: Analyzing trace with hash -357227550, now seen corresponding path program 2 times [2023-11-06 23:03:52,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:52,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537353240] [2023-11-06 23:03:52,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:52,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:52,556 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:03:52,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1944940095] [2023-11-06 23:03:52,557 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 23:03:52,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:03:52,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:52,558 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:03:52,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b5f6b66-acf0-460a-bf1c-42a36b64979e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-06 23:03:55,633 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 23:03:55,633 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:03:55,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-06 23:03:55,643 INFO L285 TraceCheckSpWp]: Computing forward predicates...